From: "Mike Pagano" <mpagano@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/linux-patches:4.14 commit in: /
Date: Tue, 24 Apr 2018 11:27:51 +0000 (UTC) [thread overview]
Message-ID: <1524569263.8478a01a7af2952c38d7374630f74cb0959ccc90.mpagano@gentoo> (raw)
commit: 8478a01a7af2952c38d7374630f74cb0959ccc90
Author: Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Tue Apr 24 11:27:43 2018 +0000
Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Tue Apr 24 11:27:43 2018 +0000
URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=8478a01a
Linux patch 4.14.36
0000_README | 4 +
1035_linux-4.14.36.patch | 6386 ++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 6390 insertions(+)
diff --git a/0000_README b/0000_README
index 423395e..ff88018 100644
--- a/0000_README
+++ b/0000_README
@@ -183,6 +183,10 @@ Patch: 1034_linux-4.14.35.patch
From: http://www.kernel.org
Desc: Linux 4.14.35
+Patch: 1035_linux-4.14.36.patch
+From: http://www.kernel.org
+Desc: Linux 4.14.36
+
Patch: 1500_XATTR_USER_PREFIX.patch
From: https://bugs.gentoo.org/show_bug.cgi?id=470644
Desc: Support for namespace user.pax.* on tmpfs.
diff --git a/1035_linux-4.14.36.patch b/1035_linux-4.14.36.patch
new file mode 100644
index 0000000..f66faf7
--- /dev/null
+++ b/1035_linux-4.14.36.patch
@@ -0,0 +1,6386 @@
+diff --git a/Makefile b/Makefile
+index 995666d5e57b..0a1f941899f4 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 4
+ PATCHLEVEL = 14
+-SUBLEVEL = 35
++SUBLEVEL = 36
+ EXTRAVERSION =
+ NAME = Petit Gorille
+
+diff --git a/arch/arm/boot/dts/at91sam9g25.dtsi b/arch/arm/boot/dts/at91sam9g25.dtsi
+index a7da0dd0c98f..0898213f3bb2 100644
+--- a/arch/arm/boot/dts/at91sam9g25.dtsi
++++ b/arch/arm/boot/dts/at91sam9g25.dtsi
+@@ -21,7 +21,7 @@
+ atmel,mux-mask = <
+ /* A B C */
+ 0xffffffff 0xffe0399f 0xc000001c /* pioA */
+- 0x0007ffff 0x8000fe3f 0x00000000 /* pioB */
++ 0x0007ffff 0x00047e3f 0x00000000 /* pioB */
+ 0x80000000 0x07c0ffff 0xb83fffff /* pioC */
+ 0x003fffff 0x003f8000 0x00000000 /* pioD */
+ >;
+diff --git a/arch/arm/boot/dts/da850-lego-ev3.dts b/arch/arm/boot/dts/da850-lego-ev3.dts
+index 413dbd5d9f64..81942ae83e1f 100644
+--- a/arch/arm/boot/dts/da850-lego-ev3.dts
++++ b/arch/arm/boot/dts/da850-lego-ev3.dts
+@@ -178,7 +178,7 @@
+ */
+ battery {
+ pinctrl-names = "default";
+- pintctrl-0 = <&battery_pins>;
++ pinctrl-0 = <&battery_pins>;
+ compatible = "lego,ev3-battery";
+ io-channels = <&adc 4>, <&adc 3>;
+ io-channel-names = "voltage", "current";
+@@ -392,7 +392,7 @@
+ batt_volt_en {
+ gpio-hog;
+ gpios = <6 GPIO_ACTIVE_HIGH>;
+- output-low;
++ output-high;
+ };
+ };
+
+diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
+index 8dbeb873e99c..35b1949a3e3c 100644
+--- a/arch/arm/boot/dts/exynos5250.dtsi
++++ b/arch/arm/boot/dts/exynos5250.dtsi
+@@ -643,7 +643,7 @@
+ power-domains = <&pd_gsc>;
+ clocks = <&clock CLK_GSCL0>;
+ clock-names = "gscl";
+- iommu = <&sysmmu_gsc0>;
++ iommus = <&sysmmu_gsc0>;
+ };
+
+ gsc_1: gsc@13e10000 {
+@@ -653,7 +653,7 @@
+ power-domains = <&pd_gsc>;
+ clocks = <&clock CLK_GSCL1>;
+ clock-names = "gscl";
+- iommu = <&sysmmu_gsc1>;
++ iommus = <&sysmmu_gsc1>;
+ };
+
+ gsc_2: gsc@13e20000 {
+@@ -663,7 +663,7 @@
+ power-domains = <&pd_gsc>;
+ clocks = <&clock CLK_GSCL2>;
+ clock-names = "gscl";
+- iommu = <&sysmmu_gsc2>;
++ iommus = <&sysmmu_gsc2>;
+ };
+
+ gsc_3: gsc@13e30000 {
+@@ -673,7 +673,7 @@
+ power-domains = <&pd_gsc>;
+ clocks = <&clock CLK_GSCL3>;
+ clock-names = "gscl";
+- iommu = <&sysmmu_gsc3>;
++ iommus = <&sysmmu_gsc3>;
+ };
+
+ hdmi: hdmi@14530000 {
+diff --git a/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
+index 7bf5aa2237c9..7de704575aee 100644
+--- a/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
++++ b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
+@@ -39,6 +39,24 @@
+ };
+ };
+
++ reg_3p3v: regulator-3p3v {
++ compatible = "regulator-fixed";
++ regulator-name = "fixed-3.3V";
++ regulator-min-microvolt = <3300000>;
++ regulator-max-microvolt = <3300000>;
++ regulator-boot-on;
++ regulator-always-on;
++ };
++
++ reg_5v: regulator-5v {
++ compatible = "regulator-fixed";
++ regulator-name = "fixed-5V";
++ regulator-min-microvolt = <5000000>;
++ regulator-max-microvolt = <5000000>;
++ regulator-boot-on;
++ regulator-always-on;
++ };
++
+ gpio_keys {
+ compatible = "gpio-keys";
+ pinctrl-names = "default";
+@@ -468,12 +486,14 @@
+ };
+
+ &usb1 {
+- vusb33-supply = <&mt6323_vusb_reg>;
++ vusb33-supply = <®_3p3v>;
++ vbus-supply = <®_5v>;
+ status = "okay";
+ };
+
+ &usb2 {
+- vusb33-supply = <&mt6323_vusb_reg>;
++ vusb33-supply = <®_3p3v>;
++ vbus-supply = <®_5v>;
+ status = "okay";
+ };
+
+diff --git a/arch/arm/boot/dts/sama5d4.dtsi b/arch/arm/boot/dts/sama5d4.dtsi
+index 2fa36c525957..81b526085097 100644
+--- a/arch/arm/boot/dts/sama5d4.dtsi
++++ b/arch/arm/boot/dts/sama5d4.dtsi
+@@ -1365,7 +1365,7 @@
+ pinctrl@fc06a000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+- compatible = "atmel,at91sam9x5-pinctrl", "atmel,at91rm9200-pinctrl", "simple-bus";
++ compatible = "atmel,sama5d3-pinctrl", "atmel,at91sam9x5-pinctrl", "simple-bus";
+ ranges = <0xfc068000 0xfc068000 0x100
+ 0xfc06a000 0xfc06a000 0x4000>;
+ /* WARNING: revisit as pin spec has changed */
+diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c
+index 1a7e5b5d08d8..3dbbf1fffead 100644
+--- a/arch/arm/mach-exynos/pm.c
++++ b/arch/arm/mach-exynos/pm.c
+@@ -276,11 +276,7 @@ static int exynos_cpu0_enter_aftr(void)
+ goto fail;
+
+ call_firmware_op(cpu_boot, 1);
+-
+- if (soc_is_exynos3250())
+- dsb_sev();
+- else
+- arch_send_wakeup_ipi_mask(cpumask_of(1));
++ dsb_sev();
+ }
+ }
+ fail:
+diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
+index 08b7bb7f5b74..c3c65b06ba76 100644
+--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
++++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
+@@ -276,7 +276,7 @@
+ pinctrl-names = "default", "clk-gate";
+
+ bus-width = <8>;
+- max-frequency = <200000000>;
++ max-frequency = <100000000>;
+ non-removable;
+ disable-wp;
+ cap-mmc-highspeed;
+diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h
+index b71306947290..06629011a434 100644
+--- a/arch/mips/include/asm/uaccess.h
++++ b/arch/mips/include/asm/uaccess.h
+@@ -654,6 +654,13 @@ __clear_user(void __user *addr, __kernel_size_t size)
+ {
+ __kernel_size_t res;
+
++#ifdef CONFIG_CPU_MICROMIPS
++/* micromips memset / bzero also clobbers t7 & t8 */
++#define bzero_clobbers "$4", "$5", "$6", __UA_t0, __UA_t1, "$15", "$24", "$31"
++#else
++#define bzero_clobbers "$4", "$5", "$6", __UA_t0, __UA_t1, "$31"
++#endif /* CONFIG_CPU_MICROMIPS */
++
+ if (eva_kernel_access()) {
+ __asm__ __volatile__(
+ "move\t$4, %1\n\t"
+@@ -663,7 +670,7 @@ __clear_user(void __user *addr, __kernel_size_t size)
+ "move\t%0, $6"
+ : "=r" (res)
+ : "r" (addr), "r" (size)
+- : "$4", "$5", "$6", __UA_t0, __UA_t1, "$31");
++ : bzero_clobbers);
+ } else {
+ might_fault();
+ __asm__ __volatile__(
+@@ -674,7 +681,7 @@ __clear_user(void __user *addr, __kernel_size_t size)
+ "move\t%0, $6"
+ : "=r" (res)
+ : "r" (addr), "r" (size)
+- : "$4", "$5", "$6", __UA_t0, __UA_t1, "$31");
++ : bzero_clobbers);
+ }
+
+ return res;
+diff --git a/arch/mips/lib/memset.S b/arch/mips/lib/memset.S
+index a1456664d6c2..f7327979a8f8 100644
+--- a/arch/mips/lib/memset.S
++++ b/arch/mips/lib/memset.S
+@@ -219,7 +219,7 @@
+ 1: PTR_ADDIU a0, 1 /* fill bytewise */
+ R10KCBARRIER(0(ra))
+ bne t1, a0, 1b
+- sb a1, -1(a0)
++ EX(sb, a1, -1(a0), .Lsmall_fixup\@)
+
+ 2: jr ra /* done */
+ move a2, zero
+@@ -252,13 +252,18 @@
+ PTR_L t0, TI_TASK($28)
+ andi a2, STORMASK
+ LONG_L t0, THREAD_BUADDR(t0)
+- LONG_ADDU a2, t1
++ LONG_ADDU a2, a0
+ jr ra
+ LONG_SUBU a2, t0
+
+ .Llast_fixup\@:
+ jr ra
+- andi v1, a2, STORMASK
++ nop
++
++.Lsmall_fixup\@:
++ PTR_SUBU a2, t1, a0
++ jr ra
++ PTR_ADDIU a2, 1
+
+ .endm
+
+diff --git a/arch/powerpc/include/asm/barrier.h b/arch/powerpc/include/asm/barrier.h
+index 10daa1d56e0a..c7c63959ba91 100644
+--- a/arch/powerpc/include/asm/barrier.h
++++ b/arch/powerpc/include/asm/barrier.h
+@@ -35,7 +35,8 @@
+ #define rmb() __asm__ __volatile__ ("sync" : : : "memory")
+ #define wmb() __asm__ __volatile__ ("sync" : : : "memory")
+
+-#ifdef __SUBARCH_HAS_LWSYNC
++/* The sub-arch has lwsync */
++#if defined(__powerpc64__) || defined(CONFIG_PPC_E500MC)
+ # define SMPWMB LWSYNC
+ #else
+ # define SMPWMB eieio
+diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
+index 726c23304a57..8eb3ebca02df 100644
+--- a/arch/powerpc/include/asm/opal.h
++++ b/arch/powerpc/include/asm/opal.h
+@@ -21,6 +21,9 @@
+ /* We calculate number of sg entries based on PAGE_SIZE */
+ #define SG_ENTRIES_PER_NODE ((PAGE_SIZE - 16) / sizeof(struct opal_sg_entry))
+
++/* Default time to sleep or delay between OPAL_BUSY/OPAL_BUSY_EVENT loops */
++#define OPAL_BUSY_DELAY_MS 10
++
+ /* /sys/firmware/opal */
+ extern struct kobject *opal_kobj;
+
+diff --git a/arch/powerpc/include/asm/synch.h b/arch/powerpc/include/asm/synch.h
+index 63e7f5a1f105..6ec546090ba1 100644
+--- a/arch/powerpc/include/asm/synch.h
++++ b/arch/powerpc/include/asm/synch.h
+@@ -6,10 +6,6 @@
+ #include <linux/stringify.h>
+ #include <asm/feature-fixups.h>
+
+-#if defined(__powerpc64__) || defined(CONFIG_PPC_E500MC)
+-#define __SUBARCH_HAS_LWSYNC
+-#endif
+-
+ #ifndef __ASSEMBLY__
+ extern unsigned int __start___lwsync_fixup, __stop___lwsync_fixup;
+ extern void do_lwsync_fixups(unsigned long value, void *fixup_start,
+diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c
+index 7275fed271af..f047ae1b6271 100644
+--- a/arch/powerpc/kernel/dt_cpu_ftrs.c
++++ b/arch/powerpc/kernel/dt_cpu_ftrs.c
+@@ -86,6 +86,7 @@ static int hv_mode;
+
+ static struct {
+ u64 lpcr;
++ u64 lpcr_clear;
+ u64 hfscr;
+ u64 fscr;
+ } system_registers;
+@@ -115,6 +116,8 @@ static void cpufeatures_flush_tlb(void)
+
+ static void __restore_cpu_cpufeatures(void)
+ {
++ u64 lpcr;
++
+ /*
+ * LPCR is restored by the power on engine already. It can be changed
+ * after early init e.g., by radix enable, and we have no unified API
+@@ -127,8 +130,10 @@ static void __restore_cpu_cpufeatures(void)
+ * The best we can do to accommodate secondary boot and idle restore
+ * for now is "or" LPCR with existing.
+ */
+-
+- mtspr(SPRN_LPCR, system_registers.lpcr | mfspr(SPRN_LPCR));
++ lpcr = mfspr(SPRN_LPCR);
++ lpcr |= system_registers.lpcr;
++ lpcr &= ~system_registers.lpcr_clear;
++ mtspr(SPRN_LPCR, lpcr);
+ if (hv_mode) {
+ mtspr(SPRN_LPID, 0);
+ mtspr(SPRN_HFSCR, system_registers.hfscr);
+@@ -351,8 +356,9 @@ static int __init feat_enable_mmu_hash_v3(struct dt_cpu_feature *f)
+ {
+ u64 lpcr;
+
++ system_registers.lpcr_clear |= (LPCR_ISL | LPCR_UPRT | LPCR_HR);
+ lpcr = mfspr(SPRN_LPCR);
+- lpcr &= ~LPCR_ISL;
++ lpcr &= ~(LPCR_ISL | LPCR_UPRT | LPCR_HR);
+ mtspr(SPRN_LPCR, lpcr);
+
+ cur_cpu_spec->mmu_features |= MMU_FTRS_HASH_BASE;
+diff --git a/arch/powerpc/kernel/eeh_pe.c b/arch/powerpc/kernel/eeh_pe.c
+index 2e8d1b2b5af4..8545a9523b9b 100644
+--- a/arch/powerpc/kernel/eeh_pe.c
++++ b/arch/powerpc/kernel/eeh_pe.c
+@@ -807,7 +807,8 @@ static void eeh_restore_bridge_bars(struct eeh_dev *edev)
+ eeh_ops->write_config(pdn, 15*4, 4, edev->config_space[15]);
+
+ /* PCI Command: 0x4 */
+- eeh_ops->write_config(pdn, PCI_COMMAND, 4, edev->config_space[1]);
++ eeh_ops->write_config(pdn, PCI_COMMAND, 4, edev->config_space[1] |
++ PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
+
+ /* Check the PCIe link is ready */
+ eeh_bridge_check_link(edev);
+diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c
+index bebc3007a793..10b46b35c059 100644
+--- a/arch/powerpc/kernel/kprobes.c
++++ b/arch/powerpc/kernel/kprobes.c
+@@ -457,29 +457,33 @@ static int trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
+ }
+
+ kretprobe_assert(ri, orig_ret_address, trampoline_address);
+- regs->nip = orig_ret_address;
++
+ /*
+- * Make LR point to the orig_ret_address.
+- * When the 'nop' inside the kretprobe_trampoline
+- * is optimized, we can do a 'blr' after executing the
+- * detour buffer code.
++ * We get here through one of two paths:
++ * 1. by taking a trap -> kprobe_handler() -> here
++ * 2. by optprobe branch -> optimized_callback() -> opt_pre_handler() -> here
++ *
++ * When going back through (1), we need regs->nip to be setup properly
++ * as it is used to determine the return address from the trap.
++ * For (2), since nip is not honoured with optprobes, we instead setup
++ * the link register properly so that the subsequent 'blr' in
++ * kretprobe_trampoline jumps back to the right instruction.
++ *
++ * For nip, we should set the address to the previous instruction since
++ * we end up emulating it in kprobe_handler(), which increments the nip
++ * again.
+ */
++ regs->nip = orig_ret_address - 4;
+ regs->link = orig_ret_address;
+
+- reset_current_kprobe();
+ kretprobe_hash_unlock(current, &flags);
+- preempt_enable_no_resched();
+
+ hlist_for_each_entry_safe(ri, tmp, &empty_rp, hlist) {
+ hlist_del(&ri->hlist);
+ kfree(ri);
+ }
+- /*
+- * By returning a non-zero value, we are telling
+- * kprobe_handler() that we don't want the post_handler
+- * to run (and have re-enabled preemption)
+- */
+- return 1;
++
++ return 0;
+ }
+ NOKPROBE_SYMBOL(trampoline_probe_handler);
+
+diff --git a/arch/powerpc/kernel/machine_kexec_file_64.c b/arch/powerpc/kernel/machine_kexec_file_64.c
+index 992c0d258e5d..c66132b145eb 100644
+--- a/arch/powerpc/kernel/machine_kexec_file_64.c
++++ b/arch/powerpc/kernel/machine_kexec_file_64.c
+@@ -43,7 +43,7 @@ int arch_kexec_kernel_image_probe(struct kimage *image, void *buf,
+
+ /* We don't support crash kernels yet. */
+ if (image->type == KEXEC_TYPE_CRASH)
+- return -ENOTSUPP;
++ return -EOPNOTSUPP;
+
+ for (i = 0; i < ARRAY_SIZE(kexec_file_loaders); i++) {
+ fops = kexec_file_loaders[i];
+diff --git a/arch/powerpc/lib/feature-fixups.c b/arch/powerpc/lib/feature-fixups.c
+index a95ea007d654..d0c0b8443dcf 100644
+--- a/arch/powerpc/lib/feature-fixups.c
++++ b/arch/powerpc/lib/feature-fixups.c
+@@ -55,7 +55,7 @@ static int patch_alt_instruction(unsigned int *src, unsigned int *dest,
+ unsigned int *target = (unsigned int *)branch_target(src);
+
+ /* Branch within the section doesn't need translating */
+- if (target < alt_start || target >= alt_end) {
++ if (target < alt_start || target > alt_end) {
+ instr = translate_branch(dest, src);
+ if (!instr)
+ return 1;
+diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
+index 67ec2e927253..87687e46b48b 100644
+--- a/arch/powerpc/mm/hash_utils_64.c
++++ b/arch/powerpc/mm/hash_utils_64.c
+@@ -872,6 +872,12 @@ static void __init htab_initialize(void)
+ /* Using a hypervisor which owns the htab */
+ htab_address = NULL;
+ _SDR1 = 0;
++ /*
++ * On POWER9, we need to do a H_REGISTER_PROC_TBL hcall
++ * to inform the hypervisor that we wish to use the HPT.
++ */
++ if (cpu_has_feature(CPU_FTR_ARCH_300))
++ register_process_table(0, 0, 0);
+ #ifdef CONFIG_FA_DUMP
+ /*
+ * If firmware assisted dump is active firmware preserves
+diff --git a/arch/powerpc/platforms/powernv/opal-nvram.c b/arch/powerpc/platforms/powernv/opal-nvram.c
+index 9db4398ded5d..1bceb95f422d 100644
+--- a/arch/powerpc/platforms/powernv/opal-nvram.c
++++ b/arch/powerpc/platforms/powernv/opal-nvram.c
+@@ -11,6 +11,7 @@
+
+ #define DEBUG
+
++#include <linux/delay.h>
+ #include <linux/kernel.h>
+ #include <linux/init.h>
+ #include <linux/of.h>
+@@ -56,9 +57,17 @@ static ssize_t opal_nvram_write(char *buf, size_t count, loff_t *index)
+
+ while (rc == OPAL_BUSY || rc == OPAL_BUSY_EVENT) {
+ rc = opal_write_nvram(__pa(buf), count, off);
+- if (rc == OPAL_BUSY_EVENT)
++ if (rc == OPAL_BUSY_EVENT) {
++ msleep(OPAL_BUSY_DELAY_MS);
+ opal_poll_events(NULL);
++ } else if (rc == OPAL_BUSY) {
++ msleep(OPAL_BUSY_DELAY_MS);
++ }
+ }
++
++ if (rc)
++ return -EIO;
++
+ *index += count;
+ return count;
+ }
+diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
+index 495ba4e7336d..55e97565ed2d 100644
+--- a/arch/powerpc/platforms/pseries/lpar.c
++++ b/arch/powerpc/platforms/pseries/lpar.c
+@@ -726,15 +726,18 @@ static int pseries_lpar_resize_hpt(unsigned long shift)
+ return 0;
+ }
+
+-/* Actually only used for radix, so far */
+ static int pseries_lpar_register_process_table(unsigned long base,
+ unsigned long page_size, unsigned long table_size)
+ {
+ long rc;
+- unsigned long flags = PROC_TABLE_NEW;
++ unsigned long flags = 0;
+
++ if (table_size)
++ flags |= PROC_TABLE_NEW;
+ if (radix_enabled())
+ flags |= PROC_TABLE_RADIX | PROC_TABLE_GTSE;
++ else
++ flags |= PROC_TABLE_HPT_SLB;
+ for (;;) {
+ rc = plpar_hcall_norets(H_REGISTER_PROC_TBL, flags, base,
+ page_size, table_size);
+@@ -760,6 +763,7 @@ void __init hpte_init_pseries(void)
+ mmu_hash_ops.flush_hash_range = pSeries_lpar_flush_hash_range;
+ mmu_hash_ops.hpte_clear_all = pseries_hpte_clear_all;
+ mmu_hash_ops.hugepage_invalidate = pSeries_lpar_hugepage_invalidate;
++ register_process_table = pseries_lpar_register_process_table;
+
+ if (firmware_has_feature(FW_FEATURE_HPT_RESIZE))
+ mmu_hash_ops.resize_hpt = pseries_lpar_resize_hpt;
+diff --git a/arch/powerpc/sysdev/xive/native.c b/arch/powerpc/sysdev/xive/native.c
+index ebc244b08d67..0f89ee557b04 100644
+--- a/arch/powerpc/sysdev/xive/native.c
++++ b/arch/powerpc/sysdev/xive/native.c
+@@ -388,6 +388,10 @@ static void xive_native_setup_cpu(unsigned int cpu, struct xive_cpu *xc)
+ if (xive_pool_vps == XIVE_INVALID_VP)
+ return;
+
++ /* Check if pool VP already active, if it is, pull it */
++ if (in_be32(xive_tima + TM_QW2_HV_POOL + TM_WORD2) & TM_QW2W2_VP)
++ in_be64(xive_tima + TM_SPC_PULL_POOL_CTX);
++
+ /* Enable the pool VP */
+ vp = xive_pool_vps + cpu;
+ pr_debug("CPU %d setting up pool VP 0x%x\n", cpu, vp);
+diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
+index cf8a2d92467f..45eb5999110b 100644
+--- a/arch/s390/hypfs/inode.c
++++ b/arch/s390/hypfs/inode.c
+@@ -320,7 +320,7 @@ static void hypfs_kill_super(struct super_block *sb)
+
+ if (sb->s_root)
+ hypfs_delete_tree(sb->s_root);
+- if (sb_info->update_file)
++ if (sb_info && sb_info->update_file)
+ hypfs_remove(sb_info->update_file);
+ kfree(sb->s_fs_info);
+ sb->s_fs_info = NULL;
+diff --git a/arch/um/os-Linux/file.c b/arch/um/os-Linux/file.c
+index 2db18cbbb0ea..c0197097c86e 100644
+--- a/arch/um/os-Linux/file.c
++++ b/arch/um/os-Linux/file.c
+@@ -12,6 +12,7 @@
+ #include <sys/mount.h>
+ #include <sys/socket.h>
+ #include <sys/stat.h>
++#include <sys/sysmacros.h>
+ #include <sys/un.h>
+ #include <sys/types.h>
+ #include <os.h>
+diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c
+index a86d7cc2c2d8..bf0acb8aad8b 100644
+--- a/arch/um/os-Linux/signal.c
++++ b/arch/um/os-Linux/signal.c
+@@ -16,6 +16,7 @@
+ #include <os.h>
+ #include <sysdep/mcontext.h>
+ #include <um_malloc.h>
++#include <sys/ucontext.h>
+
+ void (*sig_info[NSIG])(int, struct siginfo *, struct uml_pt_regs *) = {
+ [SIGTRAP] = relay_signal,
+@@ -159,7 +160,7 @@ static void (*handlers[_NSIG])(int sig, struct siginfo *si, mcontext_t *mc) = {
+
+ static void hard_handler(int sig, siginfo_t *si, void *p)
+ {
+- struct ucontext *uc = p;
++ ucontext_t *uc = p;
+ mcontext_t *mc = &uc->uc_mcontext;
+ unsigned long pending = 1UL << sig;
+
+diff --git a/arch/x86/um/stub_segv.c b/arch/x86/um/stub_segv.c
+index 1518d2805ae8..27361cbb7ca9 100644
+--- a/arch/x86/um/stub_segv.c
++++ b/arch/x86/um/stub_segv.c
+@@ -6,11 +6,12 @@
+ #include <sysdep/stub.h>
+ #include <sysdep/faultinfo.h>
+ #include <sysdep/mcontext.h>
++#include <sys/ucontext.h>
+
+ void __attribute__ ((__section__ (".__syscall_stub")))
+ stub_segv_handler(int sig, siginfo_t *info, void *p)
+ {
+- struct ucontext *uc = p;
++ ucontext_t *uc = p;
+
+ GET_FAULTINFO_FROM_MC(*((struct faultinfo *) STUB_DATA),
+ &uc->uc_mcontext);
+diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c
+index f896c2975545..fcd8789470d1 100644
+--- a/arch/x86/xen/enlighten_pv.c
++++ b/arch/x86/xen/enlighten_pv.c
+@@ -1258,10 +1258,6 @@ asmlinkage __visible void __init xen_start_kernel(void)
+ */
+ __userpte_alloc_gfp &= ~__GFP_HIGHMEM;
+
+- /* Work out if we support NX */
+- get_cpu_cap(&boot_cpu_data);
+- x86_configure_nx();
+-
+ /* Get mfn list */
+ xen_build_dynamic_phys_to_machine();
+
+@@ -1271,6 +1267,10 @@ asmlinkage __visible void __init xen_start_kernel(void)
+ */
+ xen_setup_gdt(0);
+
++ /* Work out if we support NX */
++ get_cpu_cap(&boot_cpu_data);
++ x86_configure_nx();
++
+ xen_init_irq_ops();
+
+ /* Let's presume PV guests always boot on vCPU with id 0. */
+diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
+index 67a860790560..d56822f58ab1 100644
+--- a/drivers/acpi/nfit/core.c
++++ b/drivers/acpi/nfit/core.c
+@@ -1022,8 +1022,11 @@ static ssize_t scrub_show(struct device *dev,
+ if (nd_desc) {
+ struct acpi_nfit_desc *acpi_desc = to_acpi_desc(nd_desc);
+
++ mutex_lock(&acpi_desc->init_mutex);
+ rc = sprintf(buf, "%d%s", acpi_desc->scrub_count,
+- (work_busy(&acpi_desc->work)) ? "+\n" : "\n");
++ work_busy(&acpi_desc->work)
++ && !acpi_desc->cancel ? "+\n" : "\n");
++ mutex_unlock(&acpi_desc->init_mutex);
+ }
+ device_unlock(dev);
+ return rc;
+@@ -2313,7 +2316,7 @@ static int acpi_nfit_init_mapping(struct acpi_nfit_desc *acpi_desc,
+ struct acpi_nfit_system_address *spa = nfit_spa->spa;
+ struct nd_blk_region_desc *ndbr_desc;
+ struct nfit_mem *nfit_mem;
+- int blk_valid = 0, rc;
++ int rc;
+
+ if (!nvdimm) {
+ dev_err(acpi_desc->dev, "spa%d dimm: %#x not found\n",
+@@ -2333,15 +2336,14 @@ static int acpi_nfit_init_mapping(struct acpi_nfit_desc *acpi_desc,
+ if (!nfit_mem || !nfit_mem->bdw) {
+ dev_dbg(acpi_desc->dev, "spa%d %s missing bdw\n",
+ spa->range_index, nvdimm_name(nvdimm));
+- } else {
+- mapping->size = nfit_mem->bdw->capacity;
+- mapping->start = nfit_mem->bdw->start_address;
+- ndr_desc->num_lanes = nfit_mem->bdw->windows;
+- blk_valid = 1;
++ break;
+ }
+
++ mapping->size = nfit_mem->bdw->capacity;
++ mapping->start = nfit_mem->bdw->start_address;
++ ndr_desc->num_lanes = nfit_mem->bdw->windows;
+ ndr_desc->mapping = mapping;
+- ndr_desc->num_mappings = blk_valid;
++ ndr_desc->num_mappings = 1;
+ ndbr_desc = to_blk_region_desc(ndr_desc);
+ ndbr_desc->enable = acpi_nfit_blk_region_enable;
+ ndbr_desc->do_io = acpi_desc->blk_do_io;
+diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
+index 601e5d372887..43587ac680e4 100644
+--- a/drivers/acpi/video_detect.c
++++ b/drivers/acpi/video_detect.c
+@@ -219,6 +219,15 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
+ "3570R/370R/470R/450R/510R/4450RV"),
+ },
+ },
++ {
++ /* https://bugzilla.redhat.com/show_bug.cgi?id=1557060 */
++ .callback = video_detect_force_video,
++ .ident = "SAMSUNG 670Z5E",
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
++ DMI_MATCH(DMI_PRODUCT_NAME, "670Z5E"),
++ },
++ },
+ {
+ /* https://bugzilla.redhat.com/show_bug.cgi?id=1094948 */
+ .callback = video_detect_force_video,
+diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
+index b9a779a4a739..efdadd153abe 100644
+--- a/drivers/base/regmap/regmap.c
++++ b/drivers/base/regmap/regmap.c
+@@ -1739,7 +1739,7 @@ int regmap_raw_write(struct regmap *map, unsigned int reg,
+ return -EINVAL;
+ if (val_len % map->format.val_bytes)
+ return -EINVAL;
+- if (map->max_raw_write && map->max_raw_write > val_len)
++ if (map->max_raw_write && map->max_raw_write < val_len)
+ return -E2BIG;
+
+ map->lock(map->lock_arg);
+diff --git a/drivers/char/random.c b/drivers/char/random.c
+index ea0115cf5fc0..58a2ff7df392 100644
+--- a/drivers/char/random.c
++++ b/drivers/char/random.c
+@@ -427,8 +427,9 @@ struct crng_state primary_crng = {
+ * its value (from 0->1->2).
+ */
+ static int crng_init = 0;
+-#define crng_ready() (likely(crng_init > 0))
++#define crng_ready() (likely(crng_init > 1))
+ static int crng_init_cnt = 0;
++static unsigned long crng_global_init_time = 0;
+ #define CRNG_INIT_CNT_THRESH (2*CHACHA20_KEY_SIZE)
+ static void _extract_crng(struct crng_state *crng,
+ __u8 out[CHACHA20_BLOCK_SIZE]);
+@@ -732,7 +733,7 @@ static void credit_entropy_bits(struct entropy_store *r, int nbits)
+
+ static int credit_entropy_bits_safe(struct entropy_store *r, int nbits)
+ {
+- const int nbits_max = (int)(~0U >> (ENTROPY_SHIFT + 1));
++ const int nbits_max = r->poolinfo->poolwords * 32;
+
+ if (nbits < 0)
+ return -EINVAL;
+@@ -786,6 +787,10 @@ static void crng_initialize(struct crng_state *crng)
+ crng->init_time = jiffies - CRNG_RESEED_INTERVAL - 1;
+ }
+
++/*
++ * crng_fast_load() can be called by code in the interrupt service
++ * path. So we can't afford to dilly-dally.
++ */
+ static int crng_fast_load(const char *cp, size_t len)
+ {
+ unsigned long flags;
+@@ -793,7 +798,7 @@ static int crng_fast_load(const char *cp, size_t len)
+
+ if (!spin_trylock_irqsave(&primary_crng.lock, flags))
+ return 0;
+- if (crng_ready()) {
++ if (crng_init != 0) {
+ spin_unlock_irqrestore(&primary_crng.lock, flags);
+ return 0;
+ }
+@@ -812,6 +817,51 @@ static int crng_fast_load(const char *cp, size_t len)
+ return 1;
+ }
+
++/*
++ * crng_slow_load() is called by add_device_randomness, which has two
++ * attributes. (1) We can't trust the buffer passed to it is
++ * guaranteed to be unpredictable (so it might not have any entropy at
++ * all), and (2) it doesn't have the performance constraints of
++ * crng_fast_load().
++ *
++ * So we do something more comprehensive which is guaranteed to touch
++ * all of the primary_crng's state, and which uses a LFSR with a
++ * period of 255 as part of the mixing algorithm. Finally, we do
++ * *not* advance crng_init_cnt since buffer we may get may be something
++ * like a fixed DMI table (for example), which might very well be
++ * unique to the machine, but is otherwise unvarying.
++ */
++static int crng_slow_load(const char *cp, size_t len)
++{
++ unsigned long flags;
++ static unsigned char lfsr = 1;
++ unsigned char tmp;
++ unsigned i, max = CHACHA20_KEY_SIZE;
++ const char * src_buf = cp;
++ char * dest_buf = (char *) &primary_crng.state[4];
++
++ if (!spin_trylock_irqsave(&primary_crng.lock, flags))
++ return 0;
++ if (crng_init != 0) {
++ spin_unlock_irqrestore(&primary_crng.lock, flags);
++ return 0;
++ }
++ if (len > max)
++ max = len;
++
++ for (i = 0; i < max ; i++) {
++ tmp = lfsr;
++ lfsr >>= 1;
++ if (tmp & 1)
++ lfsr ^= 0xE1;
++ tmp = dest_buf[i % CHACHA20_KEY_SIZE];
++ dest_buf[i % CHACHA20_KEY_SIZE] ^= src_buf[i % len] ^ lfsr;
++ lfsr += (tmp << 3) | (tmp >> 5);
++ }
++ spin_unlock_irqrestore(&primary_crng.lock, flags);
++ return 1;
++}
++
+ static void crng_reseed(struct crng_state *crng, struct entropy_store *r)
+ {
+ unsigned long flags;
+@@ -830,7 +880,7 @@ static void crng_reseed(struct crng_state *crng, struct entropy_store *r)
+ _crng_backtrack_protect(&primary_crng, buf.block,
+ CHACHA20_KEY_SIZE);
+ }
+- spin_lock_irqsave(&primary_crng.lock, flags);
++ spin_lock_irqsave(&crng->lock, flags);
+ for (i = 0; i < 8; i++) {
+ unsigned long rv;
+ if (!arch_get_random_seed_long(&rv) &&
+@@ -840,7 +890,7 @@ static void crng_reseed(struct crng_state *crng, struct entropy_store *r)
+ }
+ memzero_explicit(&buf, sizeof(buf));
+ crng->init_time = jiffies;
+- spin_unlock_irqrestore(&primary_crng.lock, flags);
++ spin_unlock_irqrestore(&crng->lock, flags);
+ if (crng == &primary_crng && crng_init < 2) {
+ invalidate_batched_entropy();
+ crng_init = 2;
+@@ -855,8 +905,9 @@ static void _extract_crng(struct crng_state *crng,
+ {
+ unsigned long v, flags;
+
+- if (crng_init > 1 &&
+- time_after(jiffies, crng->init_time + CRNG_RESEED_INTERVAL))
++ if (crng_ready() &&
++ (time_after(crng_global_init_time, crng->init_time) ||
++ time_after(jiffies, crng->init_time + CRNG_RESEED_INTERVAL)))
+ crng_reseed(crng, crng == &primary_crng ? &input_pool : NULL);
+ spin_lock_irqsave(&crng->lock, flags);
+ if (arch_get_random_long(&v))
+@@ -981,10 +1032,8 @@ void add_device_randomness(const void *buf, unsigned int size)
+ unsigned long time = random_get_entropy() ^ jiffies;
+ unsigned long flags;
+
+- if (!crng_ready()) {
+- crng_fast_load(buf, size);
+- return;
+- }
++ if (!crng_ready() && size)
++ crng_slow_load(buf, size);
+
+ trace_add_device_randomness(size, _RET_IP_);
+ spin_lock_irqsave(&input_pool.lock, flags);
+@@ -1141,7 +1190,7 @@ void add_interrupt_randomness(int irq, int irq_flags)
+ fast_mix(fast_pool);
+ add_interrupt_bench(cycles);
+
+- if (!crng_ready()) {
++ if (unlikely(crng_init == 0)) {
+ if ((fast_pool->count >= 64) &&
+ crng_fast_load((char *) fast_pool->pool,
+ sizeof(fast_pool->pool))) {
+@@ -1691,6 +1740,7 @@ static int rand_initialize(void)
+ init_std_data(&input_pool);
+ init_std_data(&blocking_pool);
+ crng_initialize(&primary_crng);
++ crng_global_init_time = jiffies;
+
+ #ifdef CONFIG_NUMA
+ pool = kcalloc(nr_node_ids, sizeof(*pool), GFP_KERNEL|__GFP_NOFAIL);
+@@ -1877,6 +1927,14 @@ static long random_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
+ input_pool.entropy_count = 0;
+ blocking_pool.entropy_count = 0;
+ return 0;
++ case RNDRESEEDCRNG:
++ if (!capable(CAP_SYS_ADMIN))
++ return -EPERM;
++ if (crng_init < 2)
++ return -ENODATA;
++ crng_reseed(&primary_crng, NULL);
++ crng_global_init_time = jiffies - 1;
++ return 0;
+ default:
+ return -EINVAL;
+ }
+@@ -2214,7 +2272,7 @@ void add_hwgenerator_randomness(const char *buffer, size_t count,
+ {
+ struct entropy_store *poolp = &input_pool;
+
+- if (!crng_ready()) {
++ if (unlikely(crng_init == 0)) {
+ crng_fast_load(buffer, count);
+ return;
+ }
+diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c
+index 0f1dc35e7078..1d01a8f77db1 100644
+--- a/drivers/char/tpm/tpm-interface.c
++++ b/drivers/char/tpm/tpm-interface.c
+@@ -971,6 +971,10 @@ int tpm_do_selftest(struct tpm_chip *chip)
+ loops = jiffies_to_msecs(duration) / delay_msec;
+
+ rc = tpm_continue_selftest(chip);
++ if (rc == TPM_ERR_INVALID_POSTINIT) {
++ chip->flags |= TPM_CHIP_FLAG_ALWAYS_POWERED;
++ dev_info(&chip->dev, "TPM not ready (%d)\n", rc);
++ }
+ /* This may fail if there was no TPM driver during a suspend/resume
+ * cycle; some may return 10 (BAD_ORDINAL), others 28 (FAILEDSELFTEST)
+ */
+diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c
+index eec52734d6ac..5f8082d89131 100644
+--- a/drivers/clk/bcm/clk-bcm2835.c
++++ b/drivers/clk/bcm/clk-bcm2835.c
+@@ -632,9 +632,7 @@ static void bcm2835_pll_off(struct clk_hw *hw)
+ const struct bcm2835_pll_data *data = pll->data;
+
+ spin_lock(&cprman->regs_lock);
+- cprman_write(cprman, data->cm_ctrl_reg,
+- cprman_read(cprman, data->cm_ctrl_reg) |
+- CM_PLL_ANARST);
++ cprman_write(cprman, data->cm_ctrl_reg, CM_PLL_ANARST);
+ cprman_write(cprman, data->a2w_ctrl_reg,
+ cprman_read(cprman, data->a2w_ctrl_reg) |
+ A2W_PLL_CTRL_PWRDN);
+@@ -670,6 +668,10 @@ static int bcm2835_pll_on(struct clk_hw *hw)
+ cpu_relax();
+ }
+
++ cprman_write(cprman, data->a2w_ctrl_reg,
++ cprman_read(cprman, data->a2w_ctrl_reg) |
++ A2W_PLL_CTRL_PRST_DISABLE);
++
+ return 0;
+ }
+
+diff --git a/drivers/clk/mediatek/clk-mt2701.c b/drivers/clk/mediatek/clk-mt2701.c
+index 9598889f972b..ccfe5d30fe10 100644
+--- a/drivers/clk/mediatek/clk-mt2701.c
++++ b/drivers/clk/mediatek/clk-mt2701.c
+@@ -148,6 +148,7 @@ static const struct mtk_fixed_factor top_fixed_divs[] = {
+ FACTOR(CLK_TOP_CLK26M_D8, "clk26m_d8", "clk26m", 1, 8),
+ FACTOR(CLK_TOP_32K_INTERNAL, "32k_internal", "clk26m", 1, 793),
+ FACTOR(CLK_TOP_32K_EXTERNAL, "32k_external", "rtc32k", 1, 1),
++ FACTOR(CLK_TOP_AXISEL_D4, "axisel_d4", "axi_sel", 1, 4),
+ };
+
+ static const char * const axi_parents[] = {
+@@ -857,13 +858,13 @@ static const struct mtk_gate peri_clks[] = {
+ GATE_PERI0(CLK_PERI_USB1, "usb1_ck", "usb20_sel", 11),
+ GATE_PERI0(CLK_PERI_USB0, "usb0_ck", "usb20_sel", 10),
+ GATE_PERI0(CLK_PERI_PWM, "pwm_ck", "axi_sel", 9),
+- GATE_PERI0(CLK_PERI_PWM7, "pwm7_ck", "axi_sel", 8),
+- GATE_PERI0(CLK_PERI_PWM6, "pwm6_ck", "axi_sel", 7),
+- GATE_PERI0(CLK_PERI_PWM5, "pwm5_ck", "axi_sel", 6),
+- GATE_PERI0(CLK_PERI_PWM4, "pwm4_ck", "axi_sel", 5),
+- GATE_PERI0(CLK_PERI_PWM3, "pwm3_ck", "axi_sel", 4),
+- GATE_PERI0(CLK_PERI_PWM2, "pwm2_ck", "axi_sel", 3),
+- GATE_PERI0(CLK_PERI_PWM1, "pwm1_ck", "axi_sel", 2),
++ GATE_PERI0(CLK_PERI_PWM7, "pwm7_ck", "axisel_d4", 8),
++ GATE_PERI0(CLK_PERI_PWM6, "pwm6_ck", "axisel_d4", 7),
++ GATE_PERI0(CLK_PERI_PWM5, "pwm5_ck", "axisel_d4", 6),
++ GATE_PERI0(CLK_PERI_PWM4, "pwm4_ck", "axisel_d4", 5),
++ GATE_PERI0(CLK_PERI_PWM3, "pwm3_ck", "axisel_d4", 4),
++ GATE_PERI0(CLK_PERI_PWM2, "pwm2_ck", "axisel_d4", 3),
++ GATE_PERI0(CLK_PERI_PWM1, "pwm1_ck", "axisel_d4", 2),
+ GATE_PERI0(CLK_PERI_THERM, "therm_ck", "axi_sel", 1),
+ GATE_PERI0(CLK_PERI_NFI, "nfi_ck", "nfi2x_sel", 0),
+
+diff --git a/drivers/clk/mvebu/armada-38x.c b/drivers/clk/mvebu/armada-38x.c
+index 394aa6f03f01..9ff4ea63932d 100644
+--- a/drivers/clk/mvebu/armada-38x.c
++++ b/drivers/clk/mvebu/armada-38x.c
+@@ -46,11 +46,11 @@ static u32 __init armada_38x_get_tclk_freq(void __iomem *sar)
+ }
+
+ static const u32 armada_38x_cpu_frequencies[] __initconst = {
+- 0, 0, 0, 0,
+- 1066 * 1000 * 1000, 0, 0, 0,
++ 666 * 1000 * 1000, 0, 800 * 1000 * 1000, 0,
++ 1066 * 1000 * 1000, 0, 1200 * 1000 * 1000, 0,
+ 1332 * 1000 * 1000, 0, 0, 0,
+ 1600 * 1000 * 1000, 0, 0, 0,
+- 1866 * 1000 * 1000,
++ 1866 * 1000 * 1000, 0, 0, 2000 * 1000 * 1000,
+ };
+
+ static u32 __init armada_38x_get_cpu_freq(void __iomem *sar)
+@@ -76,11 +76,11 @@ static const struct coreclk_ratio armada_38x_coreclk_ratios[] __initconst = {
+ };
+
+ static const int armada_38x_cpu_l2_ratios[32][2] __initconst = {
+- {0, 1}, {0, 1}, {0, 1}, {0, 1},
+- {1, 2}, {0, 1}, {0, 1}, {0, 1},
+- {1, 2}, {0, 1}, {0, 1}, {0, 1},
++ {1, 2}, {0, 1}, {1, 2}, {0, 1},
++ {1, 2}, {0, 1}, {1, 2}, {0, 1},
+ {1, 2}, {0, 1}, {0, 1}, {0, 1},
+ {1, 2}, {0, 1}, {0, 1}, {0, 1},
++ {1, 2}, {0, 1}, {0, 1}, {1, 2},
+ {0, 1}, {0, 1}, {0, 1}, {0, 1},
+ {0, 1}, {0, 1}, {0, 1}, {0, 1},
+ {0, 1}, {0, 1}, {0, 1}, {0, 1},
+@@ -91,7 +91,7 @@ static const int armada_38x_cpu_ddr_ratios[32][2] __initconst = {
+ {1, 2}, {0, 1}, {0, 1}, {0, 1},
+ {1, 2}, {0, 1}, {0, 1}, {0, 1},
+ {1, 2}, {0, 1}, {0, 1}, {0, 1},
+- {1, 2}, {0, 1}, {0, 1}, {0, 1},
++ {1, 2}, {0, 1}, {0, 1}, {7, 15},
+ {0, 1}, {0, 1}, {0, 1}, {0, 1},
+ {0, 1}, {0, 1}, {0, 1}, {0, 1},
+ {0, 1}, {0, 1}, {0, 1}, {0, 1},
+diff --git a/drivers/clk/renesas/clk-sh73a0.c b/drivers/clk/renesas/clk-sh73a0.c
+index eea38f6ea77e..3892346c4fcc 100644
+--- a/drivers/clk/renesas/clk-sh73a0.c
++++ b/drivers/clk/renesas/clk-sh73a0.c
+@@ -46,7 +46,7 @@ struct div4_clk {
+ unsigned int shift;
+ };
+
+-static struct div4_clk div4_clks[] = {
++static const struct div4_clk div4_clks[] = {
+ { "zg", "pll0", CPG_FRQCRA, 16 },
+ { "m3", "pll1", CPG_FRQCRA, 12 },
+ { "b", "pll1", CPG_FRQCRA, 8 },
+@@ -79,7 +79,7 @@ sh73a0_cpg_register_clock(struct device_node *np, struct sh73a0_cpg *cpg,
+ {
+ const struct clk_div_table *table = NULL;
+ unsigned int shift, reg, width;
+- const char *parent_name;
++ const char *parent_name = NULL;
+ unsigned int mult = 1;
+ unsigned int div = 1;
+
+@@ -135,7 +135,7 @@ sh73a0_cpg_register_clock(struct device_node *np, struct sh73a0_cpg *cpg,
+ shift = 24;
+ width = 5;
+ } else {
+- struct div4_clk *c;
++ const struct div4_clk *c;
+
+ for (c = div4_clks; c->name; c++) {
+ if (!strcmp(name, c->name)) {
+diff --git a/drivers/cpufreq/cppc_cpufreq.c b/drivers/cpufreq/cppc_cpufreq.c
+index a1c3025f9df7..dcb1cb9a4572 100644
+--- a/drivers/cpufreq/cppc_cpufreq.c
++++ b/drivers/cpufreq/cppc_cpufreq.c
+@@ -20,6 +20,7 @@
+ #include <linux/cpu.h>
+ #include <linux/cpufreq.h>
+ #include <linux/dmi.h>
++#include <linux/time.h>
+ #include <linux/vmalloc.h>
+
+ #include <asm/unaligned.h>
+@@ -162,6 +163,8 @@ static int cppc_cpufreq_cpu_init(struct cpufreq_policy *policy)
+ policy->cpuinfo.max_freq = cppc_dmi_max_khz;
+
+ policy->cpuinfo.transition_latency = cppc_get_transition_latency(cpu_num);
++ policy->transition_delay_us = cppc_get_transition_latency(cpu_num) /
++ NSEC_PER_USEC;
+ policy->shared_type = cpu->shared_type;
+
+ if (policy->shared_type == CPUFREQ_SHARED_TYPE_ANY)
+diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
+index c00e3923d7d8..94236ec9d410 100644
+--- a/drivers/dma/at_xdmac.c
++++ b/drivers/dma/at_xdmac.c
+@@ -1471,10 +1471,10 @@ at_xdmac_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
+ for (retry = 0; retry < AT_XDMAC_RESIDUE_MAX_RETRIES; retry++) {
+ check_nda = at_xdmac_chan_read(atchan, AT_XDMAC_CNDA) & 0xfffffffc;
+ rmb();
+- initd = !!(at_xdmac_chan_read(atchan, AT_XDMAC_CC) & AT_XDMAC_CC_INITD);
+- rmb();
+ cur_ubc = at_xdmac_chan_read(atchan, AT_XDMAC_CUBC);
+ rmb();
++ initd = !!(at_xdmac_chan_read(atchan, AT_XDMAC_CC) & AT_XDMAC_CC_INITD);
++ rmb();
+ cur_nda = at_xdmac_chan_read(atchan, AT_XDMAC_CNDA) & 0xfffffffc;
+ rmb();
+
+diff --git a/drivers/extcon/extcon-intel-cht-wc.c b/drivers/extcon/extcon-intel-cht-wc.c
+index 91a0023074af..60baaf693103 100644
+--- a/drivers/extcon/extcon-intel-cht-wc.c
++++ b/drivers/extcon/extcon-intel-cht-wc.c
+@@ -66,6 +66,8 @@
+
+ #define CHT_WC_VBUS_GPIO_CTLO 0x6e2d
+ #define CHT_WC_VBUS_GPIO_CTLO_OUTPUT BIT(0)
++#define CHT_WC_VBUS_GPIO_CTLO_DRV_OD BIT(4)
++#define CHT_WC_VBUS_GPIO_CTLO_DIR_OUT BIT(5)
+
+ enum cht_wc_usb_id {
+ USB_ID_OTG,
+@@ -183,14 +185,15 @@ static void cht_wc_extcon_set_5v_boost(struct cht_wc_extcon_data *ext,
+ {
+ int ret, val;
+
+- val = enable ? CHT_WC_VBUS_GPIO_CTLO_OUTPUT : 0;
+-
+ /*
+ * The 5V boost converter is enabled through a gpio on the PMIC, since
+ * there currently is no gpio driver we access the gpio reg directly.
+ */
+- ret = regmap_update_bits(ext->regmap, CHT_WC_VBUS_GPIO_CTLO,
+- CHT_WC_VBUS_GPIO_CTLO_OUTPUT, val);
++ val = CHT_WC_VBUS_GPIO_CTLO_DRV_OD | CHT_WC_VBUS_GPIO_CTLO_DIR_OUT;
++ if (enable)
++ val |= CHT_WC_VBUS_GPIO_CTLO_OUTPUT;
++
++ ret = regmap_write(ext->regmap, CHT_WC_VBUS_GPIO_CTLO, val);
+ if (ret)
+ dev_err(ext->dev, "Error writing Vbus GPIO CTLO: %d\n", ret);
+ }
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
+index c53095b3b0fb..1ae5ae8c45a4 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
+@@ -569,6 +569,7 @@ static const struct amdgpu_px_quirk amdgpu_px_quirk_list[] = {
+ { 0x1002, 0x6900, 0x1002, 0x0124, AMDGPU_PX_QUIRK_FORCE_ATPX },
+ { 0x1002, 0x6900, 0x1028, 0x0812, AMDGPU_PX_QUIRK_FORCE_ATPX },
+ { 0x1002, 0x6900, 0x1028, 0x0813, AMDGPU_PX_QUIRK_FORCE_ATPX },
++ { 0x1002, 0x67DF, 0x1028, 0x0774, AMDGPU_PX_QUIRK_FORCE_ATPX },
+ { 0, 0, 0, 0, 0 },
+ };
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
+index 59089e027f4d..92be7f6de197 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
+@@ -233,8 +233,10 @@ void amdgpu_bo_list_get_list(struct amdgpu_bo_list *list,
+ for (i = 0; i < list->num_entries; i++) {
+ unsigned priority = list->array[i].priority;
+
+- list_add_tail(&list->array[i].tv.head,
+- &bucket[priority]);
++ if (!list->array[i].robj->parent)
++ list_add_tail(&list->array[i].tv.head,
++ &bucket[priority]);
++
+ list->array[i].user_pages = NULL;
+ }
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+index b5aa8e6f8e0b..5f892ad6476e 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+@@ -522,7 +522,7 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
+ INIT_LIST_HEAD(&duplicates);
+ amdgpu_vm_get_pd_bo(&fpriv->vm, &p->validated, &p->vm_pd);
+
+- if (p->uf_entry.robj)
++ if (p->uf_entry.robj && !p->uf_entry.robj->parent)
+ list_add(&p->uf_entry.tv.head, &p->validated);
+
+ if (need_mmap_lock)
+diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
+index f508f4d01e4a..11beef7c595f 100644
+--- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
++++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
+@@ -866,7 +866,7 @@ static void cik_sdma_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
+ amdgpu_ring_write(ring, addr & 0xfffffffc);
+ amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff);
+ amdgpu_ring_write(ring, seq); /* reference */
+- amdgpu_ring_write(ring, 0xfffffff); /* mask */
++ amdgpu_ring_write(ring, 0xffffffff); /* mask */
+ amdgpu_ring_write(ring, (0xfff << 16) | 4); /* retry count, poll interval */
+ }
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
+index f2d0710258cb..9928473234a6 100644
+--- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
++++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
+@@ -856,7 +856,7 @@ static void sdma_v2_4_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
+ amdgpu_ring_write(ring, addr & 0xfffffffc);
+ amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff);
+ amdgpu_ring_write(ring, seq); /* reference */
+- amdgpu_ring_write(ring, 0xfffffff); /* mask */
++ amdgpu_ring_write(ring, 0xffffffff); /* mask */
+ amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
+ SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(4)); /* retry count, poll interval */
+ }
+diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
+index b1de44f22824..f5db1fad3f05 100644
+--- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
++++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
+@@ -1099,7 +1099,7 @@ static void sdma_v3_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
+ amdgpu_ring_write(ring, addr & 0xfffffffc);
+ amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff);
+ amdgpu_ring_write(ring, seq); /* reference */
+- amdgpu_ring_write(ring, 0xfffffff); /* mask */
++ amdgpu_ring_write(ring, 0xffffffff); /* mask */
+ amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
+ SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(4)); /* retry count, poll interval */
+ }
+diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+index fd7c72aaafa6..4e5fed7c66bf 100644
+--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
++++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+@@ -1136,7 +1136,7 @@ static void sdma_v4_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
+ amdgpu_ring_write(ring, addr & 0xfffffffc);
+ amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff);
+ amdgpu_ring_write(ring, seq); /* reference */
+- amdgpu_ring_write(ring, 0xfffffff); /* mask */
++ amdgpu_ring_write(ring, 0xffffffff); /* mask */
+ amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
+ SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(4)); /* retry count, poll interval */
+ }
+diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c
+index 4c178feeb4bd..40520a968eac 100644
+--- a/drivers/gpu/drm/amd/amdgpu/si.c
++++ b/drivers/gpu/drm/amd/amdgpu/si.c
+@@ -1231,6 +1231,71 @@ static void si_detect_hw_virtualization(struct amdgpu_device *adev)
+ adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE;
+ }
+
++static int si_get_pcie_lanes(struct amdgpu_device *adev)
++{
++ u32 link_width_cntl;
++
++ if (adev->flags & AMD_IS_APU)
++ return 0;
++
++ link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
++
++ switch ((link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT) {
++ case LC_LINK_WIDTH_X1:
++ return 1;
++ case LC_LINK_WIDTH_X2:
++ return 2;
++ case LC_LINK_WIDTH_X4:
++ return 4;
++ case LC_LINK_WIDTH_X8:
++ return 8;
++ case LC_LINK_WIDTH_X0:
++ case LC_LINK_WIDTH_X16:
++ default:
++ return 16;
++ }
++}
++
++static void si_set_pcie_lanes(struct amdgpu_device *adev, int lanes)
++{
++ u32 link_width_cntl, mask;
++
++ if (adev->flags & AMD_IS_APU)
++ return;
++
++ switch (lanes) {
++ case 0:
++ mask = LC_LINK_WIDTH_X0;
++ break;
++ case 1:
++ mask = LC_LINK_WIDTH_X1;
++ break;
++ case 2:
++ mask = LC_LINK_WIDTH_X2;
++ break;
++ case 4:
++ mask = LC_LINK_WIDTH_X4;
++ break;
++ case 8:
++ mask = LC_LINK_WIDTH_X8;
++ break;
++ case 16:
++ mask = LC_LINK_WIDTH_X16;
++ break;
++ default:
++ DRM_ERROR("invalid pcie lane request: %d\n", lanes);
++ return;
++ }
++
++ link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
++ link_width_cntl &= ~LC_LINK_WIDTH_MASK;
++ link_width_cntl |= mask << LC_LINK_WIDTH_SHIFT;
++ link_width_cntl |= (LC_RECONFIG_NOW |
++ LC_RECONFIG_ARC_MISSING_ESCAPE);
++
++ WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
++}
++
+ static const struct amdgpu_asic_funcs si_asic_funcs =
+ {
+ .read_disabled_bios = &si_read_disabled_bios,
+@@ -1241,6 +1306,8 @@ static const struct amdgpu_asic_funcs si_asic_funcs =
+ .get_xclk = &si_get_xclk,
+ .set_uvd_clocks = &si_set_uvd_clocks,
+ .set_vce_clocks = NULL,
++ .get_pcie_lanes = &si_get_pcie_lanes,
++ .set_pcie_lanes = &si_set_pcie_lanes,
+ .get_config_memsize = &si_get_config_memsize,
+ };
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/si_dpm.c b/drivers/gpu/drm/amd/amdgpu/si_dpm.c
+index abb0a2341a41..6f1dea157a77 100644
+--- a/drivers/gpu/drm/amd/amdgpu/si_dpm.c
++++ b/drivers/gpu/drm/amd/amdgpu/si_dpm.c
+@@ -6374,9 +6374,9 @@ static void si_set_pcie_lane_width_in_smc(struct amdgpu_device *adev,
+ {
+ u32 lane_width;
+ u32 new_lane_width =
+- (amdgpu_new_state->caps & ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >> ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT;
++ ((amdgpu_new_state->caps & ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >> ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT) + 1;
+ u32 current_lane_width =
+- (amdgpu_current_state->caps & ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >> ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT;
++ ((amdgpu_current_state->caps & ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >> ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT) + 1;
+
+ if (new_lane_width != current_lane_width) {
+ amdgpu_set_pcie_lanes(adev, new_lane_width);
+diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
+index 920c8914cec1..cc70e2470272 100644
+--- a/drivers/gpu/drm/i915/i915_reg.h
++++ b/drivers/gpu/drm/i915/i915_reg.h
+@@ -6159,6 +6159,12 @@ enum {
+ #define _SPATILEOFF (VLV_DISPLAY_BASE + 0x721a4)
+ #define _SPACONSTALPHA (VLV_DISPLAY_BASE + 0x721a8)
+ #define SP_CONST_ALPHA_ENABLE (1<<31)
++#define _SPACLRC0 (VLV_DISPLAY_BASE + 0x721d0)
++#define SP_CONTRAST(x) ((x) << 18) /* u3.6 */
++#define SP_BRIGHTNESS(x) ((x) & 0xff) /* s8 */
++#define _SPACLRC1 (VLV_DISPLAY_BASE + 0x721d4)
++#define SP_SH_SIN(x) (((x) & 0x7ff) << 16) /* s4.7 */
++#define SP_SH_COS(x) (x) /* u3.7 */
+ #define _SPAGAMC (VLV_DISPLAY_BASE + 0x721f4)
+
+ #define _SPBCNTR (VLV_DISPLAY_BASE + 0x72280)
+@@ -6172,6 +6178,8 @@ enum {
+ #define _SPBKEYMAXVAL (VLV_DISPLAY_BASE + 0x722a0)
+ #define _SPBTILEOFF (VLV_DISPLAY_BASE + 0x722a4)
+ #define _SPBCONSTALPHA (VLV_DISPLAY_BASE + 0x722a8)
++#define _SPBCLRC0 (VLV_DISPLAY_BASE + 0x722d0)
++#define _SPBCLRC1 (VLV_DISPLAY_BASE + 0x722d4)
+ #define _SPBGAMC (VLV_DISPLAY_BASE + 0x722f4)
+
+ #define _MMIO_VLV_SPR(pipe, plane_id, reg_a, reg_b) \
+@@ -6188,6 +6196,8 @@ enum {
+ #define SPKEYMAXVAL(pipe, plane_id) _MMIO_VLV_SPR((pipe), (plane_id), _SPAKEYMAXVAL, _SPBKEYMAXVAL)
+ #define SPTILEOFF(pipe, plane_id) _MMIO_VLV_SPR((pipe), (plane_id), _SPATILEOFF, _SPBTILEOFF)
+ #define SPCONSTALPHA(pipe, plane_id) _MMIO_VLV_SPR((pipe), (plane_id), _SPACONSTALPHA, _SPBCONSTALPHA)
++#define SPCLRC0(pipe, plane_id) _MMIO_VLV_SPR((pipe), (plane_id), _SPACLRC0, _SPBCLRC0)
++#define SPCLRC1(pipe, plane_id) _MMIO_VLV_SPR((pipe), (plane_id), _SPACLRC1, _SPBCLRC1)
+ #define SPGAMC(pipe, plane_id) _MMIO_VLV_SPR((pipe), (plane_id), _SPAGAMC, _SPBGAMC)
+
+ /*
+diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
+index f8ebeb5ffb96..41e31a454604 100644
+--- a/drivers/gpu/drm/i915/intel_sprite.c
++++ b/drivers/gpu/drm/i915/intel_sprite.c
+@@ -345,44 +345,87 @@ skl_plane_get_hw_state(struct intel_plane *plane)
+ }
+
+ static void
+-chv_update_csc(struct intel_plane *plane, uint32_t format)
++chv_update_csc(const struct intel_plane_state *plane_state)
+ {
++ struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
+ struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
++ const struct drm_framebuffer *fb = plane_state->base.fb;
+ enum plane_id plane_id = plane->id;
+
+ /* Seems RGB data bypasses the CSC always */
+- if (!format_is_yuv(format))
++ if (!format_is_yuv(fb->format->format))
+ return;
+
+ /*
+- * BT.601 limited range YCbCr -> full range RGB
++ * BT.601 full range YCbCr -> full range RGB
+ *
+- * |r| | 6537 4769 0| |cr |
+- * |g| = |-3330 4769 -1605| x |y-64|
+- * |b| | 0 4769 8263| |cb |
++ * |r| | 5743 4096 0| |cr|
++ * |g| = |-2925 4096 -1410| x |y |
++ * |b| | 0 4096 7258| |cb|
+ *
+- * Cb and Cr apparently come in as signed already, so no
+- * need for any offset. For Y we need to remove the offset.
++ * Cb and Cr apparently come in as signed already,
++ * and we get full range data in on account of CLRC0/1
+ */
+- I915_WRITE_FW(SPCSCYGOFF(plane_id), SPCSC_OOFF(0) | SPCSC_IOFF(-64));
++ I915_WRITE_FW(SPCSCYGOFF(plane_id), SPCSC_OOFF(0) | SPCSC_IOFF(0));
+ I915_WRITE_FW(SPCSCCBOFF(plane_id), SPCSC_OOFF(0) | SPCSC_IOFF(0));
+ I915_WRITE_FW(SPCSCCROFF(plane_id), SPCSC_OOFF(0) | SPCSC_IOFF(0));
+
+- I915_WRITE_FW(SPCSCC01(plane_id), SPCSC_C1(4769) | SPCSC_C0(6537));
+- I915_WRITE_FW(SPCSCC23(plane_id), SPCSC_C1(-3330) | SPCSC_C0(0));
+- I915_WRITE_FW(SPCSCC45(plane_id), SPCSC_C1(-1605) | SPCSC_C0(4769));
+- I915_WRITE_FW(SPCSCC67(plane_id), SPCSC_C1(4769) | SPCSC_C0(0));
+- I915_WRITE_FW(SPCSCC8(plane_id), SPCSC_C0(8263));
++ I915_WRITE_FW(SPCSCC01(plane_id), SPCSC_C1(4096) | SPCSC_C0(5743));
++ I915_WRITE_FW(SPCSCC23(plane_id), SPCSC_C1(-2925) | SPCSC_C0(0));
++ I915_WRITE_FW(SPCSCC45(plane_id), SPCSC_C1(-1410) | SPCSC_C0(4096));
++ I915_WRITE_FW(SPCSCC67(plane_id), SPCSC_C1(4096) | SPCSC_C0(0));
++ I915_WRITE_FW(SPCSCC8(plane_id), SPCSC_C0(7258));
+
+- I915_WRITE_FW(SPCSCYGICLAMP(plane_id), SPCSC_IMAX(940) | SPCSC_IMIN(64));
+- I915_WRITE_FW(SPCSCCBICLAMP(plane_id), SPCSC_IMAX(448) | SPCSC_IMIN(-448));
+- I915_WRITE_FW(SPCSCCRICLAMP(plane_id), SPCSC_IMAX(448) | SPCSC_IMIN(-448));
++ I915_WRITE_FW(SPCSCYGICLAMP(plane_id), SPCSC_IMAX(1023) | SPCSC_IMIN(0));
++ I915_WRITE_FW(SPCSCCBICLAMP(plane_id), SPCSC_IMAX(512) | SPCSC_IMIN(-512));
++ I915_WRITE_FW(SPCSCCRICLAMP(plane_id), SPCSC_IMAX(512) | SPCSC_IMIN(-512));
+
+ I915_WRITE_FW(SPCSCYGOCLAMP(plane_id), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
+ I915_WRITE_FW(SPCSCCBOCLAMP(plane_id), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
+ I915_WRITE_FW(SPCSCCROCLAMP(plane_id), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
+ }
+
++#define SIN_0 0
++#define COS_0 1
++
++static void
++vlv_update_clrc(const struct intel_plane_state *plane_state)
++{
++ struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
++ struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
++ const struct drm_framebuffer *fb = plane_state->base.fb;
++ enum pipe pipe = plane->pipe;
++ enum plane_id plane_id = plane->id;
++ int contrast, brightness, sh_scale, sh_sin, sh_cos;
++
++ if (format_is_yuv(fb->format->format)) {
++ /*
++ * Expand limited range to full range:
++ * Contrast is applied first and is used to expand Y range.
++ * Brightness is applied second and is used to remove the
++ * offset from Y. Saturation/hue is used to expand CbCr range.
++ */
++ contrast = DIV_ROUND_CLOSEST(255 << 6, 235 - 16);
++ brightness = -DIV_ROUND_CLOSEST(16 * 255, 235 - 16);
++ sh_scale = DIV_ROUND_CLOSEST(128 << 7, 240 - 128);
++ sh_sin = SIN_0 * sh_scale;
++ sh_cos = COS_0 * sh_scale;
++ } else {
++ /* Pass-through everything. */
++ contrast = 1 << 6;
++ brightness = 0;
++ sh_scale = 1 << 7;
++ sh_sin = SIN_0 * sh_scale;
++ sh_cos = COS_0 * sh_scale;
++ }
++
++ /* FIXME these register are single buffered :( */
++ I915_WRITE_FW(SPCLRC0(pipe, plane_id),
++ SP_CONTRAST(contrast) | SP_BRIGHTNESS(brightness));
++ I915_WRITE_FW(SPCLRC1(pipe, plane_id),
++ SP_SH_SIN(sh_sin) | SP_SH_COS(sh_cos));
++}
++
+ static u32 vlv_sprite_ctl(const struct intel_crtc_state *crtc_state,
+ const struct intel_plane_state *plane_state)
+ {
+@@ -476,8 +519,10 @@ vlv_update_plane(struct intel_plane *plane,
+
+ spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
+
++ vlv_update_clrc(plane_state);
++
+ if (IS_CHERRYVIEW(dev_priv) && pipe == PIPE_B)
+- chv_update_csc(plane, fb->format->format);
++ chv_update_csc(plane_state);
+
+ if (key->flags) {
+ I915_WRITE_FW(SPKEYMINVAL(pipe, plane_id), key->min_value);
+diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
+index 32b577c776b9..58488eac8462 100644
+--- a/drivers/gpu/drm/radeon/radeon_device.c
++++ b/drivers/gpu/drm/radeon/radeon_device.c
+@@ -139,6 +139,10 @@ static struct radeon_px_quirk radeon_px_quirk_list[] = {
+ * https://bugs.freedesktop.org/show_bug.cgi?id=101491
+ */
+ { PCI_VENDOR_ID_ATI, 0x6741, 0x1043, 0x2122, RADEON_PX_QUIRK_DISABLE_PX },
++ /* Asus K73TK laptop with AMD A6-3420M APU and Radeon 7670m GPU
++ * https://bugzilla.kernel.org/show_bug.cgi?id=51381#c52
++ */
++ { PCI_VENDOR_ID_ATI, 0x6840, 0x1043, 0x2123, RADEON_PX_QUIRK_DISABLE_PX },
+ { 0, 0, 0, 0, 0 },
+ };
+
+diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
+index 97a0a639dad9..90d5b41007bf 100644
+--- a/drivers/gpu/drm/radeon/si_dpm.c
++++ b/drivers/gpu/drm/radeon/si_dpm.c
+@@ -5912,9 +5912,9 @@ static void si_set_pcie_lane_width_in_smc(struct radeon_device *rdev,
+ {
+ u32 lane_width;
+ u32 new_lane_width =
+- (radeon_new_state->caps & ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >> ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT;
++ ((radeon_new_state->caps & ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >> ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT) + 1;
+ u32 current_lane_width =
+- (radeon_current_state->caps & ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >> ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT;
++ ((radeon_current_state->caps & ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >> ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT) + 1;
+
+ if (new_lane_width != current_lane_width) {
+ radeon_set_pcie_lanes(rdev, new_lane_width);
+diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+index bf9ed0e63973..f1fa8d5c9b52 100644
+--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
++++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+@@ -1413,6 +1413,9 @@ static int vop_initial(struct vop *vop)
+ usleep_range(10, 20);
+ reset_control_deassert(ahb_rst);
+
++ VOP_INTR_SET_TYPE(vop, clear, INTR_MASK, 1);
++ VOP_INTR_SET_TYPE(vop, enable, INTR_MASK, 0);
++
+ memcpy(vop->regsbak, vop->regs, vop->len);
+
+ VOP_REG_SET(vop, misc, global_regdone_en, 1);
+@@ -1568,17 +1571,9 @@ static int vop_bind(struct device *dev, struct device *master, void *data)
+
+ mutex_init(&vop->vsync_mutex);
+
+- ret = devm_request_irq(dev, vop->irq, vop_isr,
+- IRQF_SHARED, dev_name(dev), vop);
+- if (ret)
+- return ret;
+-
+- /* IRQ is initially disabled; it gets enabled in power_on */
+- disable_irq(vop->irq);
+-
+ ret = vop_create_crtc(vop);
+ if (ret)
+- goto err_enable_irq;
++ return ret;
+
+ pm_runtime_enable(&pdev->dev);
+
+@@ -1588,13 +1583,19 @@ static int vop_bind(struct device *dev, struct device *master, void *data)
+ goto err_disable_pm_runtime;
+ }
+
++ ret = devm_request_irq(dev, vop->irq, vop_isr,
++ IRQF_SHARED, dev_name(dev), vop);
++ if (ret)
++ goto err_disable_pm_runtime;
++
++ /* IRQ is initially disabled; it gets enabled in power_on */
++ disable_irq(vop->irq);
++
+ return 0;
+
+ err_disable_pm_runtime:
+ pm_runtime_disable(&pdev->dev);
+ vop_destroy_crtc(vop);
+-err_enable_irq:
+- enable_irq(vop->irq); /* To balance out the disable_irq above */
+ return ret;
+ }
+
+diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
+index ca2fbe56635a..672b0be41d44 100644
+--- a/drivers/hid/hid-core.c
++++ b/drivers/hid/hid-core.c
+@@ -1390,7 +1390,7 @@ u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
+ * of implement() working on 8 byte chunks
+ */
+
+- int len = hid_report_len(report) + 7;
++ u32 len = hid_report_len(report) + 7;
+
+ return kmalloc(len, flags);
+ }
+@@ -1455,7 +1455,7 @@ void __hid_request(struct hid_device *hid, struct hid_report *report,
+ {
+ char *buf;
+ int ret;
+- int len;
++ u32 len;
+
+ buf = hid_alloc_report_buf(report, GFP_KERNEL);
+ if (!buf)
+@@ -1481,14 +1481,14 @@ void __hid_request(struct hid_device *hid, struct hid_report *report,
+ }
+ EXPORT_SYMBOL_GPL(__hid_request);
+
+-int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
++int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, u32 size,
+ int interrupt)
+ {
+ struct hid_report_enum *report_enum = hid->report_enum + type;
+ struct hid_report *report;
+ struct hid_driver *hdrv;
+ unsigned int a;
+- int rsize, csize = size;
++ u32 rsize, csize = size;
+ u8 *cdata = data;
+ int ret = 0;
+
+@@ -1546,7 +1546,7 @@ EXPORT_SYMBOL_GPL(hid_report_raw_event);
+ *
+ * This is data entry for lower layers.
+ */
+-int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
++int hid_input_report(struct hid_device *hid, int type, u8 *data, u32 size, int interrupt)
+ {
+ struct hid_report_enum *report_enum;
+ struct hid_driver *hdrv;
+diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
+index 199f6a01fc62..bb984cc9753b 100644
+--- a/drivers/hid/hid-input.c
++++ b/drivers/hid/hid-input.c
+@@ -387,7 +387,8 @@ static int hidinput_get_battery_property(struct power_supply *psy,
+ break;
+
+ case POWER_SUPPLY_PROP_CAPACITY:
+- if (dev->battery_report_type == HID_FEATURE_REPORT) {
++ if (dev->battery_status != HID_BATTERY_REPORTED &&
++ !dev->battery_avoid_query) {
+ value = hidinput_query_battery_capacity(dev);
+ if (value < 0)
+ return value;
+@@ -403,17 +404,17 @@ static int hidinput_get_battery_property(struct power_supply *psy,
+ break;
+
+ case POWER_SUPPLY_PROP_STATUS:
+- if (!dev->battery_reported &&
+- dev->battery_report_type == HID_FEATURE_REPORT) {
++ if (dev->battery_status != HID_BATTERY_REPORTED &&
++ !dev->battery_avoid_query) {
+ value = hidinput_query_battery_capacity(dev);
+ if (value < 0)
+ return value;
+
+ dev->battery_capacity = value;
+- dev->battery_reported = true;
++ dev->battery_status = HID_BATTERY_QUERIED;
+ }
+
+- if (!dev->battery_reported)
++ if (dev->battery_status == HID_BATTERY_UNKNOWN)
+ val->intval = POWER_SUPPLY_STATUS_UNKNOWN;
+ else if (dev->battery_capacity == 100)
+ val->intval = POWER_SUPPLY_STATUS_FULL;
+@@ -486,6 +487,14 @@ static int hidinput_setup_battery(struct hid_device *dev, unsigned report_type,
+ dev->battery_report_type = report_type;
+ dev->battery_report_id = field->report->id;
+
++ /*
++ * Stylus is normally not connected to the device and thus we
++ * can't query the device and get meaningful battery strength.
++ * We have to wait for the device to report it on its own.
++ */
++ dev->battery_avoid_query = report_type == HID_INPUT_REPORT &&
++ field->physical == HID_DG_STYLUS;
++
+ dev->battery = power_supply_register(&dev->dev, psy_desc, &psy_cfg);
+ if (IS_ERR(dev->battery)) {
+ error = PTR_ERR(dev->battery);
+@@ -530,9 +539,10 @@ static void hidinput_update_battery(struct hid_device *dev, int value)
+
+ capacity = hidinput_scale_battery_capacity(dev, value);
+
+- if (!dev->battery_reported || capacity != dev->battery_capacity) {
++ if (dev->battery_status != HID_BATTERY_REPORTED ||
++ capacity != dev->battery_capacity) {
+ dev->battery_capacity = capacity;
+- dev->battery_reported = true;
++ dev->battery_status = HID_BATTERY_REPORTED;
+ power_supply_changed(dev->battery);
+ }
+ }
+@@ -1359,7 +1369,8 @@ static void hidinput_led_worker(struct work_struct *work)
+ led_work);
+ struct hid_field *field;
+ struct hid_report *report;
+- int len, ret;
++ int ret;
++ u32 len;
+ __u8 *buf;
+
+ field = hidinput_get_led_field(hid);
+diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
+index 6598501c1ad0..c3b9bd5dba75 100644
+--- a/drivers/hid/hid-multitouch.c
++++ b/drivers/hid/hid-multitouch.c
+@@ -354,7 +354,8 @@ static const struct attribute_group mt_attribute_group = {
+ static void mt_get_feature(struct hid_device *hdev, struct hid_report *report)
+ {
+ struct mt_device *td = hid_get_drvdata(hdev);
+- int ret, size = hid_report_len(report);
++ int ret;
++ u32 size = hid_report_len(report);
+ u8 *buf;
+
+ /*
+@@ -1049,7 +1050,7 @@ static void mt_set_input_mode(struct hid_device *hdev)
+ struct hid_report_enum *re;
+ struct mt_class *cls = &td->mtclass;
+ char *buf;
+- int report_len;
++ u32 report_len;
+
+ if (td->inputmode < 0)
+ return;
+diff --git a/drivers/hid/hid-rmi.c b/drivers/hid/hid-rmi.c
+index ef241d66562e..cf5812188c37 100644
+--- a/drivers/hid/hid-rmi.c
++++ b/drivers/hid/hid-rmi.c
+@@ -89,8 +89,8 @@ struct rmi_data {
+ u8 *writeReport;
+ u8 *readReport;
+
+- int input_report_size;
+- int output_report_size;
++ u32 input_report_size;
++ u32 output_report_size;
+
+ unsigned long flags;
+
+diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
+index 5fbe0f81ab2e..01b5a9f01814 100644
+--- a/drivers/hid/hidraw.c
++++ b/drivers/hid/hidraw.c
+@@ -192,6 +192,11 @@ static ssize_t hidraw_get_report(struct file *file, char __user *buffer, size_t
+ int ret = 0, len;
+ unsigned char report_number;
+
++ if (!hidraw_table[minor] || !hidraw_table[minor]->exist) {
++ ret = -ENODEV;
++ goto out;
++ }
++
+ dev = hidraw_table[minor]->hid;
+
+ if (!dev->ll_driver->raw_request) {
+diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
+index 9145c2129a96..3535073a9a7d 100644
+--- a/drivers/hid/i2c-hid/i2c-hid.c
++++ b/drivers/hid/i2c-hid/i2c-hid.c
+@@ -143,10 +143,10 @@ struct i2c_hid {
+ * register of the HID
+ * descriptor. */
+ unsigned int bufsize; /* i2c buffer size */
+- char *inbuf; /* Input buffer */
+- char *rawbuf; /* Raw Input buffer */
+- char *cmdbuf; /* Command buffer */
+- char *argsbuf; /* Command arguments buffer */
++ u8 *inbuf; /* Input buffer */
++ u8 *rawbuf; /* Raw Input buffer */
++ u8 *cmdbuf; /* Command buffer */
++ u8 *argsbuf; /* Command arguments buffer */
+
+ unsigned long flags; /* device flags */
+ unsigned long quirks; /* Various quirks */
+@@ -450,7 +450,8 @@ static int i2c_hid_hwreset(struct i2c_client *client)
+
+ static void i2c_hid_get_input(struct i2c_hid *ihid)
+ {
+- int ret, ret_size;
++ int ret;
++ u32 ret_size;
+ int size = le16_to_cpu(ihid->hdesc.wMaxInputLength);
+
+ if (size > ihid->bufsize)
+@@ -475,7 +476,7 @@ static void i2c_hid_get_input(struct i2c_hid *ihid)
+ return;
+ }
+
+- if (ret_size > size) {
++ if ((ret_size > size) || (ret_size <= 2)) {
+ dev_err(&ihid->client->dev, "%s: incomplete report (%d/%d)\n",
+ __func__, size, ret_size);
+ return;
+diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
+index 65f1cfbbe7fe..4c337585479e 100644
+--- a/drivers/hid/wacom_sys.c
++++ b/drivers/hid/wacom_sys.c
+@@ -115,7 +115,7 @@ static void wacom_feature_mapping(struct hid_device *hdev,
+ unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid);
+ u8 *data;
+ int ret;
+- int n;
++ u32 n;
+
+ switch (equivalent_usage) {
+ case HID_DG_CONTACTMAX:
+@@ -408,7 +408,7 @@ static int wacom_set_device_mode(struct hid_device *hdev,
+ u8 *rep_data;
+ struct hid_report *r;
+ struct hid_report_enum *re;
+- int length;
++ u32 length;
+ int error = -ENOMEM, limit = 0;
+
+ if (wacom_wac->mode_report < 0)
+diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
+index 70cbe1e5a3d2..c401b5b63f4c 100644
+--- a/drivers/hid/wacom_wac.c
++++ b/drivers/hid/wacom_wac.c
+@@ -689,6 +689,45 @@ static int wacom_intuos_get_tool_type(int tool_id)
+ return tool_type;
+ }
+
++static void wacom_exit_report(struct wacom_wac *wacom)
++{
++ struct input_dev *input = wacom->pen_input;
++ struct wacom_features *features = &wacom->features;
++ unsigned char *data = wacom->data;
++ int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
++
++ /*
++ * Reset all states otherwise we lose the initial states
++ * when in-prox next time
++ */
++ input_report_abs(input, ABS_X, 0);
++ input_report_abs(input, ABS_Y, 0);
++ input_report_abs(input, ABS_DISTANCE, 0);
++ input_report_abs(input, ABS_TILT_X, 0);
++ input_report_abs(input, ABS_TILT_Y, 0);
++ if (wacom->tool[idx] >= BTN_TOOL_MOUSE) {
++ input_report_key(input, BTN_LEFT, 0);
++ input_report_key(input, BTN_MIDDLE, 0);
++ input_report_key(input, BTN_RIGHT, 0);
++ input_report_key(input, BTN_SIDE, 0);
++ input_report_key(input, BTN_EXTRA, 0);
++ input_report_abs(input, ABS_THROTTLE, 0);
++ input_report_abs(input, ABS_RZ, 0);
++ } else {
++ input_report_abs(input, ABS_PRESSURE, 0);
++ input_report_key(input, BTN_STYLUS, 0);
++ input_report_key(input, BTN_STYLUS2, 0);
++ input_report_key(input, BTN_TOUCH, 0);
++ input_report_abs(input, ABS_WHEEL, 0);
++ if (features->type >= INTUOS3S)
++ input_report_abs(input, ABS_Z, 0);
++ }
++ input_report_key(input, wacom->tool[idx], 0);
++ input_report_abs(input, ABS_MISC, 0); /* reset tool id */
++ input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
++ wacom->id[idx] = 0;
++}
++
+ static int wacom_intuos_inout(struct wacom_wac *wacom)
+ {
+ struct wacom_features *features = &wacom->features;
+@@ -741,36 +780,7 @@ static int wacom_intuos_inout(struct wacom_wac *wacom)
+ if (!wacom->id[idx])
+ return 1;
+
+- /*
+- * Reset all states otherwise we lose the initial states
+- * when in-prox next time
+- */
+- input_report_abs(input, ABS_X, 0);
+- input_report_abs(input, ABS_Y, 0);
+- input_report_abs(input, ABS_DISTANCE, 0);
+- input_report_abs(input, ABS_TILT_X, 0);
+- input_report_abs(input, ABS_TILT_Y, 0);
+- if (wacom->tool[idx] >= BTN_TOOL_MOUSE) {
+- input_report_key(input, BTN_LEFT, 0);
+- input_report_key(input, BTN_MIDDLE, 0);
+- input_report_key(input, BTN_RIGHT, 0);
+- input_report_key(input, BTN_SIDE, 0);
+- input_report_key(input, BTN_EXTRA, 0);
+- input_report_abs(input, ABS_THROTTLE, 0);
+- input_report_abs(input, ABS_RZ, 0);
+- } else {
+- input_report_abs(input, ABS_PRESSURE, 0);
+- input_report_key(input, BTN_STYLUS, 0);
+- input_report_key(input, BTN_STYLUS2, 0);
+- input_report_key(input, BTN_TOUCH, 0);
+- input_report_abs(input, ABS_WHEEL, 0);
+- if (features->type >= INTUOS3S)
+- input_report_abs(input, ABS_Z, 0);
+- }
+- input_report_key(input, wacom->tool[idx], 0);
+- input_report_abs(input, ABS_MISC, 0); /* reset tool id */
+- input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
+- wacom->id[idx] = 0;
++ wacom_exit_report(wacom);
+ return 2;
+ }
+
+@@ -1226,6 +1236,12 @@ static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom)
+ if (!valid)
+ continue;
+
++ if (!prox) {
++ wacom->shared->stylus_in_proximity = false;
++ wacom_exit_report(wacom);
++ input_sync(pen_input);
++ return;
++ }
+ if (range) {
+ /* Fix rotation alignment: userspace expects zero at left */
+ int16_t rotation = (int16_t)get_unaligned_le16(&frame[9]);
+diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
+index 8eac00efadc1..ba8df2fde1b2 100644
+--- a/drivers/i2c/busses/i2c-i801.c
++++ b/drivers/i2c/busses/i2c-i801.c
+@@ -965,8 +965,6 @@ static void i801_enable_host_notify(struct i2c_adapter *adapter)
+ if (!(priv->features & FEATURE_HOST_NOTIFY))
+ return;
+
+- priv->original_slvcmd = inb_p(SMBSLVCMD(priv));
+-
+ if (!(SMBSLVCMD_HST_NTFY_INTREN & priv->original_slvcmd))
+ outb_p(SMBSLVCMD_HST_NTFY_INTREN | priv->original_slvcmd,
+ SMBSLVCMD(priv));
+@@ -1614,6 +1612,10 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
+ outb_p(inb_p(SMBAUXCTL(priv)) &
+ ~(SMBAUXCTL_CRC | SMBAUXCTL_E32B), SMBAUXCTL(priv));
+
++ /* Remember original Host Notify setting */
++ if (priv->features & FEATURE_HOST_NOTIFY)
++ priv->original_slvcmd = inb_p(SMBSLVCMD(priv));
++
+ /* Default timeout in interrupt mode: 200 ms */
+ priv->adapter.timeout = HZ / 5;
+
+@@ -1698,6 +1700,15 @@ static void i801_remove(struct pci_dev *dev)
+ */
+ }
+
++static void i801_shutdown(struct pci_dev *dev)
++{
++ struct i801_priv *priv = pci_get_drvdata(dev);
++
++ /* Restore config registers to avoid hard hang on some systems */
++ i801_disable_host_notify(priv);
++ pci_write_config_byte(dev, SMBHSTCFG, priv->original_hstcfg);
++}
++
+ #ifdef CONFIG_PM
+ static int i801_suspend(struct device *dev)
+ {
+@@ -1727,6 +1738,7 @@ static struct pci_driver i801_driver = {
+ .id_table = i801_ids,
+ .probe = i801_probe,
+ .remove = i801_remove,
++ .shutdown = i801_shutdown,
+ .driver = {
+ .pm = &i801_pm_ops,
+ },
+diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
+index d6fa38f8604f..0698d92e2656 100644
+--- a/drivers/infiniband/core/ucma.c
++++ b/drivers/infiniband/core/ucma.c
+@@ -1241,6 +1241,9 @@ static int ucma_set_ib_path(struct ucma_context *ctx,
+ if (!optlen)
+ return -EINVAL;
+
++ if (!ctx->cm_id->device)
++ return -EINVAL;
++
+ memset(&sa_path, 0, sizeof(sa_path));
+
+ sa_path.rec_type = SA_PATH_REC_TYPE_IB;
+diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
+index 6d48d8a93b62..538f1784863a 100644
+--- a/drivers/infiniband/hw/mlx5/mr.c
++++ b/drivers/infiniband/hw/mlx5/mr.c
+@@ -1220,6 +1220,8 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
+ return ERR_PTR(-EINVAL);
+
+ mr = mlx5_ib_alloc_implicit_mr(to_mpd(pd), access_flags);
++ if (IS_ERR(mr))
++ return ERR_CAST(mr);
+ return &mr->ibmr;
+ }
+ #endif
+diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c
+index afbf701dc9a7..906bacf365d4 100644
+--- a/drivers/infiniband/sw/rxe/rxe_verbs.c
++++ b/drivers/infiniband/sw/rxe/rxe_verbs.c
+@@ -712,9 +712,8 @@ static int init_send_wqe(struct rxe_qp *qp, struct ib_send_wr *ibwr,
+ memcpy(wqe->dma.sge, ibwr->sg_list,
+ num_sge * sizeof(struct ib_sge));
+
+- wqe->iova = (mask & WR_ATOMIC_MASK) ?
+- atomic_wr(ibwr)->remote_addr :
+- rdma_wr(ibwr)->remote_addr;
++ wqe->iova = mask & WR_ATOMIC_MASK ? atomic_wr(ibwr)->remote_addr :
++ mask & WR_READ_OR_WRITE_MASK ? rdma_wr(ibwr)->remote_addr : 0;
+ wqe->mask = mask;
+ wqe->dma.length = length;
+ wqe->dma.resid = length;
+diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
+index 60d7b493ed2d..299a97b7e17f 100644
+--- a/drivers/infiniband/ulp/srp/ib_srp.c
++++ b/drivers/infiniband/ulp/srp/ib_srp.c
+@@ -2656,9 +2656,11 @@ static int srp_abort(struct scsi_cmnd *scmnd)
+ ret = FAST_IO_FAIL;
+ else
+ ret = FAILED;
+- srp_free_req(ch, req, scmnd, 0);
+- scmnd->result = DID_ABORT << 16;
+- scmnd->scsi_done(scmnd);
++ if (ret == SUCCESS) {
++ srp_free_req(ch, req, scmnd, 0);
++ scmnd->result = DID_ABORT << 16;
++ scmnd->scsi_done(scmnd);
++ }
+
+ return ret;
+ }
+@@ -3428,12 +3430,10 @@ static ssize_t srp_create_target(struct device *dev,
+ num_online_nodes());
+ const int ch_end = ((node_idx + 1) * target->ch_count /
+ num_online_nodes());
+- const int cv_start = (node_idx * ibdev->num_comp_vectors /
+- num_online_nodes() + target->comp_vector)
+- % ibdev->num_comp_vectors;
+- const int cv_end = ((node_idx + 1) * ibdev->num_comp_vectors /
+- num_online_nodes() + target->comp_vector)
+- % ibdev->num_comp_vectors;
++ const int cv_start = node_idx * ibdev->num_comp_vectors /
++ num_online_nodes();
++ const int cv_end = (node_idx + 1) * ibdev->num_comp_vectors /
++ num_online_nodes();
+ int cpu_idx = 0;
+
+ for_each_online_cpu(cpu) {
+diff --git a/drivers/iommu/intel-svm.c b/drivers/iommu/intel-svm.c
+index 003b4a4d4b78..d7def26ccf79 100644
+--- a/drivers/iommu/intel-svm.c
++++ b/drivers/iommu/intel-svm.c
+@@ -382,6 +382,7 @@ int intel_svm_bind_mm(struct device *dev, int *pasid, int flags, struct svm_dev_
+ pasid_max - 1, GFP_KERNEL);
+ if (ret < 0) {
+ kfree(svm);
++ kfree(sdev);
+ goto out;
+ }
+ svm->pasid = ret;
+diff --git a/drivers/irqchip/irq-gic-common.c b/drivers/irqchip/irq-gic-common.c
+index 9ae71804b5dd..1c2ca8d51a70 100644
+--- a/drivers/irqchip/irq-gic-common.c
++++ b/drivers/irqchip/irq-gic-common.c
+@@ -21,6 +21,8 @@
+
+ #include "irq-gic-common.h"
+
++static DEFINE_RAW_SPINLOCK(irq_controller_lock);
++
+ static const struct gic_kvm_info *gic_kvm_info;
+
+ const struct gic_kvm_info *gic_get_kvm_info(void)
+@@ -52,11 +54,13 @@ int gic_configure_irq(unsigned int irq, unsigned int type,
+ u32 confoff = (irq / 16) * 4;
+ u32 val, oldval;
+ int ret = 0;
++ unsigned long flags;
+
+ /*
+ * Read current configuration register, and insert the config
+ * for "irq", depending on "type".
+ */
++ raw_spin_lock_irqsave(&irq_controller_lock, flags);
+ val = oldval = readl_relaxed(base + GIC_DIST_CONFIG + confoff);
+ if (type & IRQ_TYPE_LEVEL_MASK)
+ val &= ~confmask;
+@@ -64,8 +68,10 @@ int gic_configure_irq(unsigned int irq, unsigned int type,
+ val |= confmask;
+
+ /* If the current configuration is the same, then we are done */
+- if (val == oldval)
++ if (val == oldval) {
++ raw_spin_unlock_irqrestore(&irq_controller_lock, flags);
+ return 0;
++ }
+
+ /*
+ * Write back the new configuration, and possibly re-enable
+@@ -83,6 +89,7 @@ int gic_configure_irq(unsigned int irq, unsigned int type,
+ pr_warn("GIC: PPI%d is secure or misconfigured\n",
+ irq - 16);
+ }
++ raw_spin_unlock_irqrestore(&irq_controller_lock, flags);
+
+ if (sync_access)
+ sync_access();
+diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
+index 554d60394c06..f575110454b6 100644
+--- a/drivers/md/dm-crypt.c
++++ b/drivers/md/dm-crypt.c
+@@ -148,6 +148,8 @@ struct crypt_config {
+ mempool_t *tag_pool;
+ unsigned tag_pool_max_sectors;
+
++ struct percpu_counter n_allocated_pages;
++
+ struct bio_set *bs;
+ struct mutex bio_alloc_lock;
+
+@@ -219,6 +221,12 @@ struct crypt_config {
+ #define MAX_TAG_SIZE 480
+ #define POOL_ENTRY_SIZE 512
+
++static DEFINE_SPINLOCK(dm_crypt_clients_lock);
++static unsigned dm_crypt_clients_n = 0;
++static volatile unsigned long dm_crypt_pages_per_client;
++#define DM_CRYPT_MEMORY_PERCENT 2
++#define DM_CRYPT_MIN_PAGES_PER_CLIENT (BIO_MAX_PAGES * 16)
++
+ static void clone_init(struct dm_crypt_io *, struct bio *);
+ static void kcryptd_queue_crypt(struct dm_crypt_io *io);
+ static struct scatterlist *crypt_get_sg_data(struct crypt_config *cc,
+@@ -2156,6 +2164,43 @@ static int crypt_wipe_key(struct crypt_config *cc)
+ return r;
+ }
+
++static void crypt_calculate_pages_per_client(void)
++{
++ unsigned long pages = (totalram_pages - totalhigh_pages) * DM_CRYPT_MEMORY_PERCENT / 100;
++
++ if (!dm_crypt_clients_n)
++ return;
++
++ pages /= dm_crypt_clients_n;
++ if (pages < DM_CRYPT_MIN_PAGES_PER_CLIENT)
++ pages = DM_CRYPT_MIN_PAGES_PER_CLIENT;
++ dm_crypt_pages_per_client = pages;
++}
++
++static void *crypt_page_alloc(gfp_t gfp_mask, void *pool_data)
++{
++ struct crypt_config *cc = pool_data;
++ struct page *page;
++
++ if (unlikely(percpu_counter_compare(&cc->n_allocated_pages, dm_crypt_pages_per_client) >= 0) &&
++ likely(gfp_mask & __GFP_NORETRY))
++ return NULL;
++
++ page = alloc_page(gfp_mask);
++ if (likely(page != NULL))
++ percpu_counter_add(&cc->n_allocated_pages, 1);
++
++ return page;
++}
++
++static void crypt_page_free(void *page, void *pool_data)
++{
++ struct crypt_config *cc = pool_data;
++
++ __free_page(page);
++ percpu_counter_sub(&cc->n_allocated_pages, 1);
++}
++
+ static void crypt_dtr(struct dm_target *ti)
+ {
+ struct crypt_config *cc = ti->private;
+@@ -2182,6 +2227,10 @@ static void crypt_dtr(struct dm_target *ti)
+ mempool_destroy(cc->req_pool);
+ mempool_destroy(cc->tag_pool);
+
++ if (cc->page_pool)
++ WARN_ON(percpu_counter_sum(&cc->n_allocated_pages) != 0);
++ percpu_counter_destroy(&cc->n_allocated_pages);
++
+ if (cc->iv_gen_ops && cc->iv_gen_ops->dtr)
+ cc->iv_gen_ops->dtr(cc);
+
+@@ -2196,6 +2245,12 @@ static void crypt_dtr(struct dm_target *ti)
+
+ /* Must zero key material before freeing */
+ kzfree(cc);
++
++ spin_lock(&dm_crypt_clients_lock);
++ WARN_ON(!dm_crypt_clients_n);
++ dm_crypt_clients_n--;
++ crypt_calculate_pages_per_client();
++ spin_unlock(&dm_crypt_clients_lock);
+ }
+
+ static int crypt_ctr_ivmode(struct dm_target *ti, const char *ivmode)
+@@ -2643,6 +2698,15 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv)
+
+ ti->private = cc;
+
++ spin_lock(&dm_crypt_clients_lock);
++ dm_crypt_clients_n++;
++ crypt_calculate_pages_per_client();
++ spin_unlock(&dm_crypt_clients_lock);
++
++ ret = percpu_counter_init(&cc->n_allocated_pages, 0, GFP_KERNEL);
++ if (ret < 0)
++ goto bad;
++
+ /* Optional parameters need to be read before cipher constructor */
+ if (argc > 5) {
+ ret = crypt_ctr_optional(ti, argc - 5, &argv[5]);
+@@ -2697,7 +2761,7 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv)
+ ALIGN(sizeof(struct dm_crypt_io) + cc->dmreq_start + additional_req_size,
+ ARCH_KMALLOC_MINALIGN);
+
+- cc->page_pool = mempool_create_page_pool(BIO_MAX_PAGES, 0);
++ cc->page_pool = mempool_create(BIO_MAX_PAGES, crypt_page_alloc, crypt_page_free, cc);
+ if (!cc->page_pool) {
+ ti->error = "Cannot allocate page mempool";
+ goto bad;
+diff --git a/drivers/media/platform/vivid/vivid-vid-common.c b/drivers/media/platform/vivid/vivid-vid-common.c
+index f0f423c7ca41..6f6d4df1e8a8 100644
+--- a/drivers/media/platform/vivid/vivid-vid-common.c
++++ b/drivers/media/platform/vivid/vivid-vid-common.c
+@@ -858,7 +858,8 @@ int vidioc_g_edid(struct file *file, void *_fh,
+ return -EINVAL;
+ if (edid->start_block + edid->blocks > dev->edid_blocks)
+ edid->blocks = dev->edid_blocks - edid->start_block;
+- cec_set_edid_phys_addr(dev->edid, dev->edid_blocks * 128, adap->phys_addr);
++ if (adap)
++ cec_set_edid_phys_addr(dev->edid, dev->edid_blocks * 128, adap->phys_addr);
+ memcpy(edid->edid, dev->edid + edid->start_block * 128, edid->blocks * 128);
+ return 0;
+ }
+diff --git a/drivers/media/platform/vsp1/vsp1_wpf.c b/drivers/media/platform/vsp1/vsp1_wpf.c
+index f7f3b4b2c2de..8bd6b2f1af15 100644
+--- a/drivers/media/platform/vsp1/vsp1_wpf.c
++++ b/drivers/media/platform/vsp1/vsp1_wpf.c
+@@ -452,7 +452,7 @@ static void wpf_configure(struct vsp1_entity *entity,
+ : VI6_WPF_SRCRPF_RPF_ACT_SUB(input->entity.index);
+ }
+
+- if (pipe->bru || pipe->num_inputs > 1)
++ if (pipe->bru)
+ srcrpf |= pipe->bru->type == VSP1_ENTITY_BRU
+ ? VI6_WPF_SRCRPF_VIRACT_MST
+ : VI6_WPF_SRCRPF_VIRACT2_MST;
+diff --git a/drivers/misc/cxl/cxllib.c b/drivers/misc/cxl/cxllib.c
+index dc9bc1807fdf..562a6803d690 100644
+--- a/drivers/misc/cxl/cxllib.c
++++ b/drivers/misc/cxl/cxllib.c
+@@ -207,49 +207,74 @@ int cxllib_get_PE_attributes(struct task_struct *task,
+ }
+ EXPORT_SYMBOL_GPL(cxllib_get_PE_attributes);
+
+-int cxllib_handle_fault(struct mm_struct *mm, u64 addr, u64 size, u64 flags)
++static int get_vma_info(struct mm_struct *mm, u64 addr,
++ u64 *vma_start, u64 *vma_end,
++ unsigned long *page_size)
+ {
+- int rc;
+- u64 dar;
+ struct vm_area_struct *vma = NULL;
+- unsigned long page_size;
+-
+- if (mm == NULL)
+- return -EFAULT;
++ int rc = 0;
+
+ down_read(&mm->mmap_sem);
+
+ vma = find_vma(mm, addr);
+ if (!vma) {
+- pr_err("Can't find vma for addr %016llx\n", addr);
+ rc = -EFAULT;
+ goto out;
+ }
+- /* get the size of the pages allocated */
+- page_size = vma_kernel_pagesize(vma);
+-
+- for (dar = (addr & ~(page_size - 1)); dar < (addr + size); dar += page_size) {
+- if (dar < vma->vm_start || dar >= vma->vm_end) {
+- vma = find_vma(mm, addr);
+- if (!vma) {
+- pr_err("Can't find vma for addr %016llx\n", addr);
+- rc = -EFAULT;
+- goto out;
+- }
+- /* get the size of the pages allocated */
+- page_size = vma_kernel_pagesize(vma);
++ *page_size = vma_kernel_pagesize(vma);
++ *vma_start = vma->vm_start;
++ *vma_end = vma->vm_end;
++out:
++ up_read(&mm->mmap_sem);
++ return rc;
++}
++
++int cxllib_handle_fault(struct mm_struct *mm, u64 addr, u64 size, u64 flags)
++{
++ int rc;
++ u64 dar, vma_start, vma_end;
++ unsigned long page_size;
++
++ if (mm == NULL)
++ return -EFAULT;
++
++ /*
++ * The buffer we have to process can extend over several pages
++ * and may also cover several VMAs.
++ * We iterate over all the pages. The page size could vary
++ * between VMAs.
++ */
++ rc = get_vma_info(mm, addr, &vma_start, &vma_end, &page_size);
++ if (rc)
++ return rc;
++
++ for (dar = (addr & ~(page_size - 1)); dar < (addr + size);
++ dar += page_size) {
++ if (dar < vma_start || dar >= vma_end) {
++ /*
++ * We don't hold the mm->mmap_sem semaphore
++ * while iterating, since the semaphore is
++ * required by one of the lower-level page
++ * fault processing functions and it could
++ * create a deadlock.
++ *
++ * It means the VMAs can be altered between 2
++ * loop iterations and we could theoretically
++ * miss a page (however unlikely). But that's
++ * not really a problem, as the driver will
++ * retry access, get another page fault on the
++ * missing page and call us again.
++ */
++ rc = get_vma_info(mm, dar, &vma_start, &vma_end,
++ &page_size);
++ if (rc)
++ return rc;
+ }
+
+ rc = cxl_handle_mm_fault(mm, flags, dar);
+- if (rc) {
+- pr_err("cxl_handle_mm_fault failed %d", rc);
+- rc = -EFAULT;
+- goto out;
+- }
++ if (rc)
++ return -EFAULT;
+ }
+- rc = 0;
+-out:
+- up_read(&mm->mmap_sem);
+- return rc;
++ return 0;
+ }
+ EXPORT_SYMBOL_GPL(cxllib_handle_fault);
+diff --git a/drivers/mmc/host/jz4740_mmc.c b/drivers/mmc/host/jz4740_mmc.c
+index 7db8c7a8d38d..48b67f552afe 100644
+--- a/drivers/mmc/host/jz4740_mmc.c
++++ b/drivers/mmc/host/jz4740_mmc.c
+@@ -362,9 +362,9 @@ static void jz4740_mmc_set_irq_enabled(struct jz4740_mmc_host *host,
+ host->irq_mask &= ~irq;
+ else
+ host->irq_mask |= irq;
+- spin_unlock_irqrestore(&host->lock, flags);
+
+ writew(host->irq_mask, host->base + JZ_REG_MMC_IMASK);
++ spin_unlock_irqrestore(&host->lock, flags);
+ }
+
+ static void jz4740_mmc_clock_enable(struct jz4740_mmc_host *host,
+diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c
+index 5bedf4b7f0f7..44da037b13ba 100644
+--- a/drivers/mmc/host/sdhci-pci-core.c
++++ b/drivers/mmc/host/sdhci-pci-core.c
+@@ -1192,7 +1192,7 @@ static void amd_enable_manual_tuning(struct pci_dev *pdev)
+ pci_write_config_dword(pdev, AMD_SD_MISC_CONTROL, val);
+ }
+
+-static int amd_execute_tuning(struct sdhci_host *host, u32 opcode)
++static int amd_execute_tuning_hs200(struct sdhci_host *host, u32 opcode)
+ {
+ struct sdhci_pci_slot *slot = sdhci_priv(host);
+ struct pci_dev *pdev = slot->chip->pdev;
+@@ -1231,6 +1231,27 @@ static int amd_execute_tuning(struct sdhci_host *host, u32 opcode)
+ return 0;
+ }
+
++static int amd_execute_tuning(struct mmc_host *mmc, u32 opcode)
++{
++ struct sdhci_host *host = mmc_priv(mmc);
++
++ /* AMD requires custom HS200 tuning */
++ if (host->timing == MMC_TIMING_MMC_HS200)
++ return amd_execute_tuning_hs200(host, opcode);
++
++ /* Otherwise perform standard SDHCI tuning */
++ return sdhci_execute_tuning(mmc, opcode);
++}
++
++static int amd_probe_slot(struct sdhci_pci_slot *slot)
++{
++ struct mmc_host_ops *ops = &slot->host->mmc_host_ops;
++
++ ops->execute_tuning = amd_execute_tuning;
++
++ return 0;
++}
++
+ static int amd_probe(struct sdhci_pci_chip *chip)
+ {
+ struct pci_dev *smbus_dev;
+@@ -1265,12 +1286,12 @@ static const struct sdhci_ops amd_sdhci_pci_ops = {
+ .set_bus_width = sdhci_set_bus_width,
+ .reset = sdhci_reset,
+ .set_uhs_signaling = sdhci_set_uhs_signaling,
+- .platform_execute_tuning = amd_execute_tuning,
+ };
+
+ static const struct sdhci_pci_fixes sdhci_amd = {
+ .probe = amd_probe,
+ .ops = &amd_sdhci_pci_ops,
++ .probe_slot = amd_probe_slot,
+ };
+
+ static const struct pci_device_id pci_ids[] = {
+diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c
+index 3a6d49f07e22..de1562f27fdb 100644
+--- a/drivers/mmc/host/tmio_mmc_core.c
++++ b/drivers/mmc/host/tmio_mmc_core.c
+@@ -911,7 +911,7 @@ static void tmio_mmc_finish_request(struct tmio_mmc_host *host)
+ host->check_scc_error(host);
+
+ /* If SET_BLOCK_COUNT, continue with main command */
+- if (host->mrq) {
++ if (host->mrq && !mrq->cmd->error) {
+ tmio_process_mrq(host, mrq);
+ return;
+ }
+diff --git a/drivers/mtd/ubi/block.c b/drivers/mtd/ubi/block.c
+index b1fc28f63882..d0b63bbf46a7 100644
+--- a/drivers/mtd/ubi/block.c
++++ b/drivers/mtd/ubi/block.c
+@@ -244,7 +244,7 @@ static int ubiblock_open(struct block_device *bdev, fmode_t mode)
+ * in any case.
+ */
+ if (mode & FMODE_WRITE) {
+- ret = -EPERM;
++ ret = -EROFS;
+ goto out_unlock;
+ }
+
+diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
+index 842550b5712a..defb1cd8d2e1 100644
+--- a/drivers/mtd/ubi/build.c
++++ b/drivers/mtd/ubi/build.c
+@@ -845,6 +845,17 @@ int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num,
+ return -EINVAL;
+ }
+
++ /*
++ * Both UBI and UBIFS have been designed for SLC NAND and NOR flashes.
++ * MLC NAND is different and needs special care, otherwise UBI or UBIFS
++ * will die soon and you will lose all your data.
++ */
++ if (mtd->type == MTD_MLCNANDFLASH) {
++ pr_err("ubi: refuse attaching mtd%d - MLC NAND is not supported\n",
++ mtd->index);
++ return -EINVAL;
++ }
++
+ if (ubi_num == UBI_DEV_NUM_AUTO) {
+ /* Search for an empty slot in the @ubi_devices array */
+ for (ubi_num = 0; ubi_num < UBI_MAX_DEVICES; ubi_num++)
+diff --git a/drivers/mtd/ubi/fastmap-wl.c b/drivers/mtd/ubi/fastmap-wl.c
+index 4f0bd6b4422a..69dd21679a30 100644
+--- a/drivers/mtd/ubi/fastmap-wl.c
++++ b/drivers/mtd/ubi/fastmap-wl.c
+@@ -362,7 +362,6 @@ static void ubi_fastmap_close(struct ubi_device *ubi)
+ {
+ int i;
+
+- flush_work(&ubi->fm_work);
+ return_unused_pool_pebs(ubi, &ubi->fm_pool);
+ return_unused_pool_pebs(ubi, &ubi->fm_wl_pool);
+
+diff --git a/drivers/net/wireless/intel/iwlwifi/cfg/9000.c b/drivers/net/wireless/intel/iwlwifi/cfg/9000.c
+index c8e7b54a538a..73da5e63a609 100644
+--- a/drivers/net/wireless/intel/iwlwifi/cfg/9000.c
++++ b/drivers/net/wireless/intel/iwlwifi/cfg/9000.c
+@@ -53,6 +53,7 @@
+ #include <linux/stringify.h>
+ #include "iwl-config.h"
+ #include "iwl-agn-hw.h"
++#include "fw/file.h"
+
+ /* Highest firmware API version supported */
+ #define IWL9000_UCODE_API_MAX 34
+@@ -264,6 +265,67 @@ const struct iwl_cfg iwl9560_2ac_cfg_soc = {
+ .integrated = true,
+ .soc_latency = 5000,
+ };
++
++const struct iwl_cfg iwl9460_2ac_cfg_shared_clk = {
++ .name = "Intel(R) Dual Band Wireless AC 9460",
++ .fw_name_pre = IWL9000A_FW_PRE,
++ .fw_name_pre_b_or_c_step = IWL9000B_FW_PRE,
++ .fw_name_pre_rf_next_step = IWL9000RFB_FW_PRE,
++ IWL_DEVICE_9000,
++ .ht_params = &iwl9000_ht_params,
++ .nvm_ver = IWL9000_NVM_VERSION,
++ .nvm_calib_ver = IWL9000_TX_POWER_VERSION,
++ .max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K,
++ .integrated = true,
++ .soc_latency = 5000,
++ .extra_phy_cfg_flags = FW_PHY_CFG_SHARED_CLK
++};
++
++const struct iwl_cfg iwl9461_2ac_cfg_shared_clk = {
++ .name = "Intel(R) Dual Band Wireless AC 9461",
++ .fw_name_pre = IWL9000A_FW_PRE,
++ .fw_name_pre_b_or_c_step = IWL9000B_FW_PRE,
++ .fw_name_pre_rf_next_step = IWL9000RFB_FW_PRE,
++ IWL_DEVICE_9000,
++ .ht_params = &iwl9000_ht_params,
++ .nvm_ver = IWL9000_NVM_VERSION,
++ .nvm_calib_ver = IWL9000_TX_POWER_VERSION,
++ .max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K,
++ .integrated = true,
++ .soc_latency = 5000,
++ .extra_phy_cfg_flags = FW_PHY_CFG_SHARED_CLK
++};
++
++const struct iwl_cfg iwl9462_2ac_cfg_shared_clk = {
++ .name = "Intel(R) Dual Band Wireless AC 9462",
++ .fw_name_pre = IWL9000A_FW_PRE,
++ .fw_name_pre_b_or_c_step = IWL9000B_FW_PRE,
++ .fw_name_pre_rf_next_step = IWL9000RFB_FW_PRE,
++ IWL_DEVICE_9000,
++ .ht_params = &iwl9000_ht_params,
++ .nvm_ver = IWL9000_NVM_VERSION,
++ .nvm_calib_ver = IWL9000_TX_POWER_VERSION,
++ .max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K,
++ .integrated = true,
++ .soc_latency = 5000,
++ .extra_phy_cfg_flags = FW_PHY_CFG_SHARED_CLK
++};
++
++const struct iwl_cfg iwl9560_2ac_cfg_shared_clk = {
++ .name = "Intel(R) Dual Band Wireless AC 9560",
++ .fw_name_pre = IWL9000A_FW_PRE,
++ .fw_name_pre_b_or_c_step = IWL9000B_FW_PRE,
++ .fw_name_pre_rf_next_step = IWL9000RFB_FW_PRE,
++ IWL_DEVICE_9000,
++ .ht_params = &iwl9000_ht_params,
++ .nvm_ver = IWL9000_NVM_VERSION,
++ .nvm_calib_ver = IWL9000_TX_POWER_VERSION,
++ .max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K,
++ .integrated = true,
++ .soc_latency = 5000,
++ .extra_phy_cfg_flags = FW_PHY_CFG_SHARED_CLK
++};
++
+ MODULE_FIRMWARE(IWL9000A_MODULE_FIRMWARE(IWL9000_UCODE_API_MAX));
+ MODULE_FIRMWARE(IWL9000B_MODULE_FIRMWARE(IWL9000_UCODE_API_MAX));
+ MODULE_FIRMWARE(IWL9000RFB_MODULE_FIRMWARE(IWL9000_UCODE_API_MAX));
+diff --git a/drivers/net/wireless/intel/iwlwifi/fw/file.h b/drivers/net/wireless/intel/iwlwifi/fw/file.h
+index e988e4c371c4..1b3ad8ef0c79 100644
+--- a/drivers/net/wireless/intel/iwlwifi/fw/file.h
++++ b/drivers/net/wireless/intel/iwlwifi/fw/file.h
+@@ -434,6 +434,7 @@ enum iwl_fw_phy_cfg {
+ FW_PHY_CFG_TX_CHAIN = 0xf << FW_PHY_CFG_TX_CHAIN_POS,
+ FW_PHY_CFG_RX_CHAIN_POS = 20,
+ FW_PHY_CFG_RX_CHAIN = 0xf << FW_PHY_CFG_RX_CHAIN_POS,
++ FW_PHY_CFG_SHARED_CLK = BIT(31),
+ };
+
+ #define IWL_UCODE_MAX_CS 1
+diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-config.h b/drivers/net/wireless/intel/iwlwifi/iwl-config.h
+index e226179c32fa..85fe1a928adc 100644
+--- a/drivers/net/wireless/intel/iwlwifi/iwl-config.h
++++ b/drivers/net/wireless/intel/iwlwifi/iwl-config.h
+@@ -394,6 +394,7 @@ struct iwl_cfg {
+ u8 max_vht_ampdu_exponent;
+ u8 ucode_api_max;
+ u8 ucode_api_min;
++ u32 extra_phy_cfg_flags;
+ };
+
+ /*
+@@ -476,6 +477,10 @@ extern const struct iwl_cfg iwl9460_2ac_cfg_soc;
+ extern const struct iwl_cfg iwl9461_2ac_cfg_soc;
+ extern const struct iwl_cfg iwl9462_2ac_cfg_soc;
+ extern const struct iwl_cfg iwl9560_2ac_cfg_soc;
++extern const struct iwl_cfg iwl9460_2ac_cfg_shared_clk;
++extern const struct iwl_cfg iwl9461_2ac_cfg_shared_clk;
++extern const struct iwl_cfg iwl9462_2ac_cfg_shared_clk;
++extern const struct iwl_cfg iwl9560_2ac_cfg_shared_clk;
+ extern const struct iwl_cfg iwla000_2ac_cfg_hr;
+ extern const struct iwl_cfg iwla000_2ac_cfg_hr_cdb;
+ extern const struct iwl_cfg iwla000_2ac_cfg_jf;
+diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+index 83485493a79a..b71a9d11a50f 100644
+--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
++++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+@@ -435,6 +435,10 @@ static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
+
+ /* Set parameters */
+ phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm));
++
++ /* set flags extra PHY configuration flags from the device's cfg */
++ phy_cfg_cmd.phy_cfg |= cpu_to_le32(mvm->cfg->extra_phy_cfg_flags);
++
+ phy_cfg_cmd.calib_control.event_trigger =
+ mvm->fw->default_calib[ucode_type].event_trigger;
+ phy_cfg_cmd.calib_control.flow_trigger =
+diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
+index 0f7bd37bf172..9a8605abb00a 100644
+--- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
++++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
+@@ -8,6 +8,7 @@
+ * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2016-2017 Intel Deutschland GmbH
++ * Copyright(c) 2018 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+@@ -36,6 +37,7 @@
+ * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * All rights reserved.
+ * Copyright(c) 2017 Intel Deutschland GmbH
++ * Copyright(c) 2018 Intel Corporation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+@@ -515,9 +517,9 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
+ {IWL_PCI_DEVICE(0x24FD, 0x9074, iwl8265_2ac_cfg)},
+
+ /* 9000 Series */
+- {IWL_PCI_DEVICE(0x2526, 0x0000, iwl9260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x0010, iwl9260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x0014, iwl9260_2ac_cfg)},
++ {IWL_PCI_DEVICE(0x2526, 0x0018, iwl9260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x0030, iwl9560_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x0034, iwl9560_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x0038, iwl9560_2ac_cfg)},
+@@ -542,11 +544,15 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
+ {IWL_PCI_DEVICE(0x2526, 0x1410, iwl9270_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x1420, iwl9460_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x2526, 0x1610, iwl9270_2ac_cfg)},
++ {IWL_PCI_DEVICE(0x2526, 0x2030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x2526, 0x2034, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x2526, 0x4010, iwl9260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x4030, iwl9560_2ac_cfg)},
++ {IWL_PCI_DEVICE(0x2526, 0x4034, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x2526, 0x40A4, iwl9460_2ac_cfg)},
+- {IWL_PCI_DEVICE(0x2526, 0xA014, iwl9260_2ac_cfg)},
++ {IWL_PCI_DEVICE(0x2526, 0x4234, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x2526, 0x42A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x2526, 0xA014, iwl9260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x271B, 0x0010, iwl9160_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x271B, 0x0014, iwl9160_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x271B, 0x0210, iwl9160_2ac_cfg)},
+@@ -567,38 +573,146 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
+ {IWL_PCI_DEVICE(0x2720, 0x0264, iwl9461_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x2720, 0x02A0, iwl9462_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x2720, 0x02A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x2720, 0x1010, iwl9260_2ac_cfg)},
++ {IWL_PCI_DEVICE(0x2720, 0x1030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x2720, 0x1210, iwl9260_2ac_cfg)},
++ {IWL_PCI_DEVICE(0x2720, 0x2030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x2720, 0x2034, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x2720, 0x4030, iwl9560_2ac_cfg)},
++ {IWL_PCI_DEVICE(0x2720, 0x4034, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x2720, 0x40A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x2720, 0x4234, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x2720, 0x42A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x30DC, 0x0030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x30DC, 0x0034, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x30DC, 0x0038, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x30DC, 0x003C, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x30DC, 0x0060, iwl9460_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x30DC, 0x0064, iwl9461_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x30DC, 0x00A0, iwl9462_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x30DC, 0x00A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x30DC, 0x0230, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x30DC, 0x0234, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x30DC, 0x0238, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x30DC, 0x023C, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x30DC, 0x0260, iwl9461_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x30DC, 0x0264, iwl9461_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x30DC, 0x02A0, iwl9462_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x30DC, 0x02A4, iwl9462_2ac_cfg_soc)},
+- {IWL_PCI_DEVICE(0x31DC, 0x0030, iwl9560_2ac_cfg_soc)},
+- {IWL_PCI_DEVICE(0x31DC, 0x0034, iwl9560_2ac_cfg_soc)},
+- {IWL_PCI_DEVICE(0x31DC, 0x0038, iwl9560_2ac_cfg_soc)},
+- {IWL_PCI_DEVICE(0x31DC, 0x003C, iwl9560_2ac_cfg_soc)},
+- {IWL_PCI_DEVICE(0x31DC, 0x0060, iwl9460_2ac_cfg_soc)},
+- {IWL_PCI_DEVICE(0x31DC, 0x0064, iwl9461_2ac_cfg_soc)},
+- {IWL_PCI_DEVICE(0x31DC, 0x00A0, iwl9462_2ac_cfg_soc)},
+- {IWL_PCI_DEVICE(0x31DC, 0x00A4, iwl9462_2ac_cfg_soc)},
+- {IWL_PCI_DEVICE(0x31DC, 0x0230, iwl9560_2ac_cfg_soc)},
+- {IWL_PCI_DEVICE(0x31DC, 0x0234, iwl9560_2ac_cfg_soc)},
+- {IWL_PCI_DEVICE(0x31DC, 0x0238, iwl9560_2ac_cfg_soc)},
+- {IWL_PCI_DEVICE(0x31DC, 0x023C, iwl9560_2ac_cfg_soc)},
+- {IWL_PCI_DEVICE(0x31DC, 0x0260, iwl9461_2ac_cfg_soc)},
+- {IWL_PCI_DEVICE(0x31DC, 0x0264, iwl9461_2ac_cfg_soc)},
+- {IWL_PCI_DEVICE(0x31DC, 0x02A0, iwl9462_2ac_cfg_soc)},
+- {IWL_PCI_DEVICE(0x31DC, 0x02A4, iwl9462_2ac_cfg_soc)},
+- {IWL_PCI_DEVICE(0x31DC, 0x4030, iwl9560_2ac_cfg_soc)},
+- {IWL_PCI_DEVICE(0x31DC, 0x4034, iwl9560_2ac_cfg_soc)},
+- {IWL_PCI_DEVICE(0x31DC, 0x40A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x30DC, 0x1010, iwl9260_2ac_cfg)},
++ {IWL_PCI_DEVICE(0x30DC, 0x1030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x30DC, 0x1210, iwl9260_2ac_cfg)},
++ {IWL_PCI_DEVICE(0x30DC, 0x2030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x30DC, 0x2034, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x30DC, 0x4030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x30DC, 0x4034, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x30DC, 0x40A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x30DC, 0x4234, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x30DC, 0x42A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x31DC, 0x0030, iwl9560_2ac_cfg_shared_clk)},
++ {IWL_PCI_DEVICE(0x31DC, 0x0034, iwl9560_2ac_cfg_shared_clk)},
++ {IWL_PCI_DEVICE(0x31DC, 0x0038, iwl9560_2ac_cfg_shared_clk)},
++ {IWL_PCI_DEVICE(0x31DC, 0x003C, iwl9560_2ac_cfg_shared_clk)},
++ {IWL_PCI_DEVICE(0x31DC, 0x0060, iwl9460_2ac_cfg_shared_clk)},
++ {IWL_PCI_DEVICE(0x31DC, 0x0064, iwl9461_2ac_cfg_shared_clk)},
++ {IWL_PCI_DEVICE(0x31DC, 0x00A0, iwl9462_2ac_cfg_shared_clk)},
++ {IWL_PCI_DEVICE(0x31DC, 0x00A4, iwl9462_2ac_cfg_shared_clk)},
++ {IWL_PCI_DEVICE(0x31DC, 0x0230, iwl9560_2ac_cfg_shared_clk)},
++ {IWL_PCI_DEVICE(0x31DC, 0x0234, iwl9560_2ac_cfg_shared_clk)},
++ {IWL_PCI_DEVICE(0x31DC, 0x0238, iwl9560_2ac_cfg_shared_clk)},
++ {IWL_PCI_DEVICE(0x31DC, 0x023C, iwl9560_2ac_cfg_shared_clk)},
++ {IWL_PCI_DEVICE(0x31DC, 0x0260, iwl9461_2ac_cfg_shared_clk)},
++ {IWL_PCI_DEVICE(0x31DC, 0x0264, iwl9461_2ac_cfg_shared_clk)},
++ {IWL_PCI_DEVICE(0x31DC, 0x02A0, iwl9462_2ac_cfg_shared_clk)},
++ {IWL_PCI_DEVICE(0x31DC, 0x02A4, iwl9462_2ac_cfg_shared_clk)},
++ {IWL_PCI_DEVICE(0x31DC, 0x1010, iwl9260_2ac_cfg)},
++ {IWL_PCI_DEVICE(0x31DC, 0x1030, iwl9560_2ac_cfg_shared_clk)},
++ {IWL_PCI_DEVICE(0x31DC, 0x1210, iwl9260_2ac_cfg)},
++ {IWL_PCI_DEVICE(0x31DC, 0x2030, iwl9560_2ac_cfg_shared_clk)},
++ {IWL_PCI_DEVICE(0x31DC, 0x2034, iwl9560_2ac_cfg_shared_clk)},
++ {IWL_PCI_DEVICE(0x31DC, 0x4030, iwl9560_2ac_cfg_shared_clk)},
++ {IWL_PCI_DEVICE(0x31DC, 0x4034, iwl9560_2ac_cfg_shared_clk)},
++ {IWL_PCI_DEVICE(0x31DC, 0x40A4, iwl9462_2ac_cfg_shared_clk)},
++ {IWL_PCI_DEVICE(0x31DC, 0x4234, iwl9560_2ac_cfg_shared_clk)},
++ {IWL_PCI_DEVICE(0x31DC, 0x42A4, iwl9462_2ac_cfg_shared_clk)},
+ {IWL_PCI_DEVICE(0x34F0, 0x0030, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x34F0, 0x0034, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x34F0, 0x0038, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x34F0, 0x003C, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x34F0, 0x0060, iwl9461_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x34F0, 0x0064, iwl9461_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x34F0, 0x00A0, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x34F0, 0x00A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x34F0, 0x0230, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x34F0, 0x0234, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x34F0, 0x0238, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x34F0, 0x023C, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x34F0, 0x0260, iwl9461_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x34F0, 0x0264, iwl9461_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x34F0, 0x02A0, iwl9462_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x34F0, 0x02A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x34F0, 0x1010, iwl9260_2ac_cfg)},
++ {IWL_PCI_DEVICE(0x34F0, 0x1030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x34F0, 0x1210, iwl9260_2ac_cfg)},
++ {IWL_PCI_DEVICE(0x34F0, 0x2030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x34F0, 0x2034, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x34F0, 0x4030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x34F0, 0x4034, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x34F0, 0x40A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x34F0, 0x4234, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x34F0, 0x42A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x0030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x0034, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x0038, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x003C, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x0060, iwl9461_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x0064, iwl9461_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x00A0, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x00A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x0230, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x0234, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x0238, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x023C, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x0260, iwl9461_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x0264, iwl9461_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x02A0, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x02A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x1010, iwl9260_2ac_cfg)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x1030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x1210, iwl9260_2ac_cfg)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x2030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x2034, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x4030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x4034, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x40A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x4234, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x3DF0, 0x42A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x43F0, 0x0030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x43F0, 0x0034, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x43F0, 0x0038, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x43F0, 0x003C, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x43F0, 0x0060, iwl9461_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x43F0, 0x0064, iwl9461_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x43F0, 0x00A0, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x43F0, 0x00A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x43F0, 0x0230, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x43F0, 0x0234, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x43F0, 0x0238, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x43F0, 0x023C, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x43F0, 0x0260, iwl9461_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x43F0, 0x0264, iwl9461_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x43F0, 0x02A0, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x43F0, 0x02A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x43F0, 0x1010, iwl9260_2ac_cfg)},
++ {IWL_PCI_DEVICE(0x43F0, 0x1030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x43F0, 0x1210, iwl9260_2ac_cfg)},
++ {IWL_PCI_DEVICE(0x43F0, 0x2030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x43F0, 0x2034, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x43F0, 0x4030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x43F0, 0x4034, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x43F0, 0x40A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x43F0, 0x4234, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x43F0, 0x42A4, iwl9462_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x9DF0, 0x0000, iwl9460_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x9DF0, 0x0010, iwl9460_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x9DF0, 0x0030, iwl9560_2ac_cfg_soc)},
+@@ -624,11 +738,44 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
+ {IWL_PCI_DEVICE(0x9DF0, 0x0610, iwl9460_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x9DF0, 0x0710, iwl9460_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x9DF0, 0x0A10, iwl9460_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x9DF0, 0x1010, iwl9260_2ac_cfg)},
++ {IWL_PCI_DEVICE(0x9DF0, 0x1030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x9DF0, 0x1210, iwl9260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x9DF0, 0x2010, iwl9460_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x9DF0, 0x2030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x9DF0, 0x2034, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x9DF0, 0x2A10, iwl9460_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x9DF0, 0x4030, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x9DF0, 0x4034, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x9DF0, 0x40A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x9DF0, 0x4234, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0x9DF0, 0x42A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x0030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x0034, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x0038, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x003C, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x0060, iwl9461_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x0064, iwl9461_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x00A0, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x00A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x0230, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x0234, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x0238, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x023C, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x0260, iwl9461_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x0264, iwl9461_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x02A0, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x02A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x1010, iwl9260_2ac_cfg)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x1030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x1210, iwl9260_2ac_cfg)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x2030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x2034, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x4030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x4034, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x40A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x4234, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA0F0, 0x42A4, iwl9462_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0xA370, 0x0030, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0xA370, 0x0034, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0xA370, 0x0038, iwl9560_2ac_cfg_soc)},
+@@ -645,10 +792,16 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
+ {IWL_PCI_DEVICE(0xA370, 0x0264, iwl9461_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0xA370, 0x02A0, iwl9462_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0xA370, 0x02A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA370, 0x1010, iwl9260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0xA370, 0x1030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA370, 0x1210, iwl9260_2ac_cfg)},
++ {IWL_PCI_DEVICE(0xA370, 0x2030, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA370, 0x2034, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0xA370, 0x4030, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0xA370, 0x4034, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0xA370, 0x40A4, iwl9462_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA370, 0x4234, iwl9560_2ac_cfg_soc)},
++ {IWL_PCI_DEVICE(0xA370, 0x42A4, iwl9462_2ac_cfg_soc)},
+
+ /* a000 Series */
+ {IWL_PCI_DEVICE(0x2720, 0x0A10, iwla000_2ac_cfg_hr_cdb)},
+diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
+index c980cdbd6e53..a9ba9fe263ca 100644
+--- a/drivers/net/xen-netfront.c
++++ b/drivers/net/xen-netfront.c
+@@ -2008,7 +2008,10 @@ static void netback_changed(struct xenbus_device *dev,
+ case XenbusStateInitialised:
+ case XenbusStateReconfiguring:
+ case XenbusStateReconfigured:
++ break;
++
+ case XenbusStateUnknown:
++ wake_up_all(&module_unload_q);
+ break;
+
+ case XenbusStateInitWait:
+@@ -2139,7 +2142,9 @@ static int xennet_remove(struct xenbus_device *dev)
+ xenbus_switch_state(dev, XenbusStateClosing);
+ wait_event(module_unload_q,
+ xenbus_read_driver_state(dev->otherend) ==
+- XenbusStateClosing);
++ XenbusStateClosing ||
++ xenbus_read_driver_state(dev->otherend) ==
++ XenbusStateUnknown);
+
+ xenbus_switch_state(dev, XenbusStateClosed);
+ wait_event(module_unload_q,
+diff --git a/drivers/nvdimm/dimm.c b/drivers/nvdimm/dimm.c
+index 98466d762c8f..0939f064054d 100644
+--- a/drivers/nvdimm/dimm.c
++++ b/drivers/nvdimm/dimm.c
+@@ -65,9 +65,11 @@ static int nvdimm_probe(struct device *dev)
+ ndd->ns_next = nd_label_next_nsindex(ndd->ns_current);
+ nd_label_copy(ndd, to_next_namespace_index(ndd),
+ to_current_namespace_index(ndd));
+- rc = nd_label_reserve_dpa(ndd);
+- if (ndd->ns_current >= 0)
+- nvdimm_set_aliasing(dev);
++ if (ndd->ns_current >= 0) {
++ rc = nd_label_reserve_dpa(ndd);
++ if (rc == 0)
++ nvdimm_set_aliasing(dev);
++ }
+ nvdimm_clear_locked(dev);
+ nvdimm_bus_unlock(dev);
+
+diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c
+index 0af988739a06..228bafa4d322 100644
+--- a/drivers/nvdimm/namespace_devs.c
++++ b/drivers/nvdimm/namespace_devs.c
+@@ -1926,7 +1926,7 @@ struct device *create_namespace_pmem(struct nd_region *nd_region,
+ }
+
+ if (i < nd_region->ndr_mappings) {
+- struct nvdimm_drvdata *ndd = to_ndd(&nd_region->mapping[i]);
++ struct nvdimm *nvdimm = nd_region->mapping[i].nvdimm;
+
+ /*
+ * Give up if we don't find an instance of a uuid at each
+@@ -1934,7 +1934,7 @@ struct device *create_namespace_pmem(struct nd_region *nd_region,
+ * find a dimm with two instances of the same uuid.
+ */
+ dev_err(&nd_region->dev, "%s missing label for %pUb\n",
+- dev_name(ndd->dev), nd_label->uuid);
++ nvdimm_name(nvdimm), nd_label->uuid);
+ rc = -EINVAL;
+ goto err;
+ }
+diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
+index 5ed2dcaa8e27..711875afdd70 100644
+--- a/drivers/pci/hotplug/acpiphp_glue.c
++++ b/drivers/pci/hotplug/acpiphp_glue.c
+@@ -558,6 +558,7 @@ static unsigned int get_slot_status(struct acpiphp_slot *slot)
+ {
+ unsigned long long sta = 0;
+ struct acpiphp_func *func;
++ u32 dvid;
+
+ list_for_each_entry(func, &slot->funcs, sibling) {
+ if (func->flags & FUNC_HAS_STA) {
+@@ -568,19 +569,27 @@ static unsigned int get_slot_status(struct acpiphp_slot *slot)
+ if (ACPI_SUCCESS(status) && sta)
+ break;
+ } else {
+- u32 dvid;
+-
+- pci_bus_read_config_dword(slot->bus,
+- PCI_DEVFN(slot->device,
+- func->function),
+- PCI_VENDOR_ID, &dvid);
+- if (dvid != 0xffffffff) {
++ if (pci_bus_read_dev_vendor_id(slot->bus,
++ PCI_DEVFN(slot->device, func->function),
++ &dvid, 0)) {
+ sta = ACPI_STA_ALL;
+ break;
+ }
+ }
+ }
+
++ if (!sta) {
++ /*
++ * Check for the slot itself since it may be that the
++ * ACPI slot is a device below PCIe upstream port so in
++ * that case it may not even be reachable yet.
++ */
++ if (pci_bus_read_dev_vendor_id(slot->bus,
++ PCI_DEVFN(slot->device, 0), &dvid, 0)) {
++ sta = ACPI_STA_ALL;
++ }
++ }
++
+ return (unsigned int)sta;
+ }
+
+diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
+index 05fadcc4f9d2..5c5a8af66829 100644
+--- a/drivers/pci/quirks.c
++++ b/drivers/pci/quirks.c
+@@ -4806,9 +4806,13 @@ static void quirk_no_ext_tags(struct pci_dev *pdev)
+
+ pci_walk_bus(bridge->bus, pci_configure_extended_tags, NULL);
+ }
++DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0132, quirk_no_ext_tags);
+ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0140, quirk_no_ext_tags);
++DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0141, quirk_no_ext_tags);
+ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0142, quirk_no_ext_tags);
+ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0144, quirk_no_ext_tags);
++DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0420, quirk_no_ext_tags);
++DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0422, quirk_no_ext_tags);
+
+ #ifdef CONFIG_PCI_ATS
+ /*
+diff --git a/drivers/phy/allwinner/phy-sun4i-usb.c b/drivers/phy/allwinner/phy-sun4i-usb.c
+index 1161e11fb3cf..afedb8cd1990 100644
+--- a/drivers/phy/allwinner/phy-sun4i-usb.c
++++ b/drivers/phy/allwinner/phy-sun4i-usb.c
+@@ -410,11 +410,13 @@ static bool sun4i_usb_phy0_poll(struct sun4i_usb_phy_data *data)
+ return true;
+
+ /*
+- * The A31 companion pmic (axp221) does not generate vbus change
+- * interrupts when the board is driving vbus, so we must poll
++ * The A31/A23/A33 companion pmics (AXP221/AXP223) do not
++ * generate vbus change interrupts when the board is driving
++ * vbus using the N_VBUSEN pin on the pmic, so we must poll
+ * when using the pmic for vbus-det _and_ we're driving vbus.
+ */
+- if (data->cfg->type == sun6i_a31_phy &&
++ if ((data->cfg->type == sun6i_a31_phy ||
++ data->cfg->type == sun8i_a33_phy) &&
+ data->vbus_power_supply && data->phys[0].regulator_on)
+ return true;
+
+@@ -885,7 +887,7 @@ static const struct sun4i_usb_phy_cfg sun7i_a20_cfg = {
+
+ static const struct sun4i_usb_phy_cfg sun8i_a23_cfg = {
+ .num_phys = 2,
+- .type = sun4i_a10_phy,
++ .type = sun6i_a31_phy,
+ .disc_thresh = 3,
+ .phyctl_offset = REG_PHYCTL_A10,
+ .dedicated_clocks = true,
+diff --git a/drivers/pwm/pwm-rcar.c b/drivers/pwm/pwm-rcar.c
+index 1c85ecc9e7ac..0fcf94ffad32 100644
+--- a/drivers/pwm/pwm-rcar.c
++++ b/drivers/pwm/pwm-rcar.c
+@@ -156,8 +156,12 @@ static int rcar_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
+ if (div < 0)
+ return div;
+
+- /* Let the core driver set pwm->period if disabled and duty_ns == 0 */
+- if (!pwm_is_enabled(pwm) && !duty_ns)
++ /*
++ * Let the core driver set pwm->period if disabled and duty_ns == 0.
++ * But, this driver should prevent to set the new duty_ns if current
++ * duty_cycle is not set
++ */
++ if (!pwm_is_enabled(pwm) && !duty_ns && !pwm->state.duty_cycle)
+ return 0;
+
+ rcar_pwm_update(rp, RCAR_PWMCR_SYNC, RCAR_PWMCR_SYNC, RCAR_PWMCR);
+diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c
+index e1ce8b1b5090..fb2a8b1e7979 100644
+--- a/drivers/soc/mediatek/mtk-scpsys.c
++++ b/drivers/soc/mediatek/mtk-scpsys.c
+@@ -892,7 +892,7 @@ static int scpsys_probe(struct platform_device *pdev)
+
+ pd_data = &scp->pd_data;
+
+- for (i = 0, sd = soc->subdomains ; i < soc->num_subdomains ; i++) {
++ for (i = 0, sd = soc->subdomains; i < soc->num_subdomains; i++, sd++) {
+ ret = pm_genpd_add_subdomain(pd_data->domains[sd->origin],
+ pd_data->domains[sd->subdomain]);
+ if (ret && IS_ENABLED(CONFIG_PM))
+diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
+index 669470971023..047875861df1 100644
+--- a/drivers/spi/spi-atmel.c
++++ b/drivers/spi/spi-atmel.c
+@@ -1489,6 +1489,11 @@ static void atmel_spi_init(struct atmel_spi *as)
+ {
+ spi_writel(as, CR, SPI_BIT(SWRST));
+ spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */
++
++ /* It is recommended to enable FIFOs first thing after reset */
++ if (as->fifo_size)
++ spi_writel(as, CR, SPI_BIT(FIFOEN));
++
+ if (as->caps.has_wdrbt) {
+ spi_writel(as, MR, SPI_BIT(WDRBT) | SPI_BIT(MODFDIS)
+ | SPI_BIT(MSTR));
+@@ -1499,9 +1504,6 @@ static void atmel_spi_init(struct atmel_spi *as)
+ if (as->use_pdc)
+ spi_writel(as, PTCR, SPI_BIT(RXTDIS) | SPI_BIT(TXTDIS));
+ spi_writel(as, CR, SPI_BIT(SPIEN));
+-
+- if (as->fifo_size)
+- spi_writel(as, CR, SPI_BIT(FIFOEN));
+ }
+
+ static int atmel_spi_probe(struct platform_device *pdev)
+diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
+index 3ff0ee88c467..84dfef4bd6ae 100644
+--- a/drivers/spi/spi.c
++++ b/drivers/spi/spi.c
+@@ -779,8 +779,14 @@ static int spi_map_buf(struct spi_controller *ctlr, struct device *dev,
+ for (i = 0; i < sgs; i++) {
+
+ if (vmalloced_buf || kmap_buf) {
+- min = min_t(size_t,
+- len, desc_len - offset_in_page(buf));
++ /*
++ * Next scatterlist entry size is the minimum between
++ * the desc_len and the remaining buffer length that
++ * fits in a page.
++ */
++ min = min_t(size_t, desc_len,
++ min_t(size_t, len,
++ PAGE_SIZE - offset_in_page(buf)));
+ if (vmalloced_buf)
+ vm_page = vmalloc_to_page(buf);
+ else
+@@ -2252,12 +2258,6 @@ void spi_unregister_controller(struct spi_controller *ctlr)
+ mutex_lock(&board_lock);
+ found = idr_find(&spi_master_idr, id);
+ mutex_unlock(&board_lock);
+- if (found != ctlr) {
+- dev_dbg(&ctlr->dev,
+- "attempting to delete unregistered controller [%s]\n",
+- dev_name(&ctlr->dev));
+- return;
+- }
+ if (ctlr->queued) {
+ if (spi_destroy_queue(ctlr))
+ dev_err(&ctlr->dev, "queue remove failed\n");
+@@ -2270,7 +2270,8 @@ void spi_unregister_controller(struct spi_controller *ctlr)
+ device_unregister(&ctlr->dev);
+ /* free bus id */
+ mutex_lock(&board_lock);
+- idr_remove(&spi_master_idr, id);
++ if (found == ctlr)
++ idr_remove(&spi_master_idr, id);
+ mutex_unlock(&board_lock);
+ }
+ EXPORT_SYMBOL_GPL(spi_unregister_controller);
+diff --git a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_fops.c b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_fops.c
+index d8cfed358d55..f1d8cc5a2730 100644
+--- a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_fops.c
++++ b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_fops.c
+@@ -1285,7 +1285,10 @@ const struct v4l2_file_operations atomisp_fops = {
+ .mmap = atomisp_mmap,
+ .unlocked_ioctl = video_ioctl2,
+ #ifdef CONFIG_COMPAT
++ /*
++ * There are problems with this code. Disable this for now.
+ .compat_ioctl32 = atomisp_compat_ioctl32,
++ */
+ #endif
+ .poll = atomisp_poll,
+ };
+@@ -1297,7 +1300,10 @@ const struct v4l2_file_operations atomisp_file_fops = {
+ .mmap = atomisp_file_mmap,
+ .unlocked_ioctl = video_ioctl2,
+ #ifdef CONFIG_COMPAT
++ /*
++ * There are problems with this code. Disable this for now.
+ .compat_ioctl32 = atomisp_compat_ioctl32,
++ */
+ #endif
+ .poll = atomisp_poll,
+ };
+diff --git a/drivers/staging/media/lirc/lirc_zilog.c b/drivers/staging/media/lirc/lirc_zilog.c
+index 71af13bd0ebd..e35e1b2160e3 100644
+--- a/drivers/staging/media/lirc/lirc_zilog.c
++++ b/drivers/staging/media/lirc/lirc_zilog.c
+@@ -288,7 +288,7 @@ static void release_ir_tx(struct kref *ref)
+ struct IR_tx *tx = container_of(ref, struct IR_tx, ref);
+ struct IR *ir = tx->ir;
+
+- ir->l.features &= ~LIRC_CAN_SEND_LIRCCODE;
++ ir->l.features &= ~LIRC_CAN_SEND_PULSE;
+ /* Don't put_ir_device(tx->ir) here, so our lock doesn't get freed */
+ ir->tx = NULL;
+ kfree(tx);
+@@ -1228,6 +1228,7 @@ static unsigned int poll(struct file *filep, poll_table *wait)
+
+ dev_dbg(ir->l.dev, "%s result = %s\n", __func__,
+ ret ? "POLLIN|POLLRDNORM" : "none");
++ put_ir_rx(rx, false);
+ return ret;
+ }
+
+@@ -1267,14 +1268,14 @@ static long ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
+ if (!(features & LIRC_CAN_SEND_MASK))
+ return -ENOTTY;
+
+- result = put_user(LIRC_MODE_LIRCCODE, uptr);
++ result = put_user(LIRC_MODE_PULSE, uptr);
+ break;
+ case LIRC_SET_SEND_MODE:
+ if (!(features & LIRC_CAN_SEND_MASK))
+ return -ENOTTY;
+
+ result = get_user(mode, uptr);
+- if (!result && mode != LIRC_MODE_LIRCCODE)
++ if (!result && mode != LIRC_MODE_PULSE)
+ return -EINVAL;
+ break;
+ default:
+@@ -1512,7 +1513,7 @@ static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id)
+ kref_init(&tx->ref);
+ ir->tx = tx;
+
+- ir->l.features |= LIRC_CAN_SEND_LIRCCODE;
++ ir->l.features |= LIRC_CAN_SEND_PULSE;
+ mutex_init(&tx->client_lock);
+ tx->c = client;
+ tx->need_boot = 1;
+diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c
+index 4798b4b1fd77..41c6154ae856 100644
+--- a/drivers/thermal/imx_thermal.c
++++ b/drivers/thermal/imx_thermal.c
+@@ -601,6 +601,9 @@ static int imx_thermal_probe(struct platform_device *pdev)
+ regmap_write(map, TEMPSENSE0 + REG_CLR, TEMPSENSE0_POWER_DOWN);
+ regmap_write(map, TEMPSENSE0 + REG_SET, TEMPSENSE0_MEASURE_TEMP);
+
++ data->irq_enabled = true;
++ data->mode = THERMAL_DEVICE_ENABLED;
++
+ ret = devm_request_threaded_irq(&pdev->dev, data->irq,
+ imx_thermal_alarm_irq, imx_thermal_alarm_irq_thread,
+ 0, "imx_thermal", data);
+@@ -613,9 +616,6 @@ static int imx_thermal_probe(struct platform_device *pdev)
+ return ret;
+ }
+
+- data->irq_enabled = true;
+- data->mode = THERMAL_DEVICE_ENABLED;
+-
+ return 0;
+ }
+
+diff --git a/drivers/thunderbolt/icm.c b/drivers/thunderbolt/icm.c
+index 53250fc057e1..91830b1bdcaf 100644
+--- a/drivers/thunderbolt/icm.c
++++ b/drivers/thunderbolt/icm.c
+@@ -539,14 +539,14 @@ static bool icm_ar_is_supported(struct tb *tb)
+ static int icm_ar_get_mode(struct tb *tb)
+ {
+ struct tb_nhi *nhi = tb->nhi;
+- int retries = 5;
++ int retries = 60;
+ u32 val;
+
+ do {
+ val = ioread32(nhi->iobase + REG_FW_STS);
+ if (val & REG_FW_STS_NVM_AUTH_DONE)
+ break;
+- msleep(30);
++ msleep(50);
+ } while (--retries);
+
+ if (!retries) {
+@@ -720,6 +720,9 @@ static int icm_firmware_reset(struct tb *tb, struct tb_nhi *nhi)
+ struct icm *icm = tb_priv(tb);
+ u32 val;
+
++ if (!icm->upstream_port)
++ return -ENODEV;
++
+ /* Put ARC to wait for CIO reset event to happen */
+ val = ioread32(nhi->iobase + REG_FW_STS);
+ val |= REG_FW_STS_CIO_RESET_REQ;
+@@ -859,6 +862,9 @@ static int icm_firmware_init(struct tb *tb)
+ break;
+
+ default:
++ if (ret < 0)
++ return ret;
++
+ tb_err(tb, "ICM firmware is in wrong mode: %u\n", ret);
+ return -ENODEV;
+ }
+diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c
+index 05af126a2435..16c607075ede 100644
+--- a/drivers/thunderbolt/nhi.c
++++ b/drivers/thunderbolt/nhi.c
+@@ -846,6 +846,7 @@ static const struct dev_pm_ops nhi_pm_ops = {
+ * we just disable hotplug, the
+ * pci-tunnels stay alive.
+ */
++ .thaw_noirq = nhi_resume_noirq,
+ .restore_noirq = nhi_resume_noirq,
+ .suspend = nhi_suspend,
+ .freeze = nhi_suspend,
+diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
+index 3953d17202a8..8bd137109980 100644
+--- a/drivers/thunderbolt/switch.c
++++ b/drivers/thunderbolt/switch.c
+@@ -716,6 +716,13 @@ static int tb_switch_set_authorized(struct tb_switch *sw, unsigned int val)
+ if (sw->authorized)
+ goto unlock;
+
++ /*
++ * Make sure there is no PCIe rescan ongoing when a new PCIe
++ * tunnel is created. Otherwise the PCIe rescan code might find
++ * the new tunnel too early.
++ */
++ pci_lock_rescan_remove();
++
+ switch (val) {
+ /* Approve switch */
+ case 1:
+@@ -735,6 +742,8 @@ static int tb_switch_set_authorized(struct tb_switch *sw, unsigned int val)
+ break;
+ }
+
++ pci_unlock_rescan_remove();
++
+ if (!ret) {
+ sw->authorized = val;
+ /* Notify status change to the userspace */
+diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
+index faf50df81622..1c70541a1467 100644
+--- a/drivers/tty/n_tty.c
++++ b/drivers/tty/n_tty.c
+@@ -2182,6 +2182,12 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file,
+ }
+ if (tty_hung_up_p(file))
+ break;
++ /*
++ * Abort readers for ttys which never actually
++ * get hung up. See __tty_hangup().
++ */
++ if (test_bit(TTY_HUPPING, &tty->flags))
++ break;
+ if (!timeout)
+ break;
+ if (file->f_flags & O_NONBLOCK) {
+diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
+index 7e77bd2118ad..52627478ab61 100644
+--- a/drivers/tty/tty_io.c
++++ b/drivers/tty/tty_io.c
+@@ -585,6 +585,14 @@ static void __tty_hangup(struct tty_struct *tty, int exit_session)
+ return;
+ }
+
++ /*
++ * Some console devices aren't actually hung up for technical and
++ * historical reasons, which can lead to indefinite interruptible
++ * sleep in n_tty_read(). The following explicitly tells
++ * n_tty_read() to abort readers.
++ */
++ set_bit(TTY_HUPPING, &tty->flags);
++
+ /* inuse_filps is protected by the single tty lock,
+ this really needs to change if we want to flush the
+ workqueue with the lock held */
+@@ -639,6 +647,7 @@ static void __tty_hangup(struct tty_struct *tty, int exit_session)
+ * from the ldisc side, which is now guaranteed.
+ */
+ set_bit(TTY_HUPPED, &tty->flags);
++ clear_bit(TTY_HUPPING, &tty->flags);
+ tty_unlock(tty);
+
+ if (f)
+diff --git a/drivers/usb/core/generic.c b/drivers/usb/core/generic.c
+index bd3e0c5a6db2..212289c55b6f 100644
+--- a/drivers/usb/core/generic.c
++++ b/drivers/usb/core/generic.c
+@@ -210,8 +210,13 @@ static int generic_suspend(struct usb_device *udev, pm_message_t msg)
+ if (!udev->parent)
+ rc = hcd_bus_suspend(udev, msg);
+
+- /* Non-root devices don't need to do anything for FREEZE or PRETHAW */
+- else if (msg.event == PM_EVENT_FREEZE || msg.event == PM_EVENT_PRETHAW)
++ /*
++ * Non-root USB2 devices don't need to do anything for FREEZE
++ * or PRETHAW. USB3 devices don't support global suspend and
++ * needs to be selectively suspended.
++ */
++ else if ((msg.event == PM_EVENT_FREEZE || msg.event == PM_EVENT_PRETHAW)
++ && (udev->speed < USB_SPEED_SUPER))
+ rc = 0;
+ else
+ rc = usb_port_suspend(udev, msg);
+diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
+index 3219d8157f5b..c3f3f1a89b0f 100644
+--- a/drivers/usb/dwc3/core.c
++++ b/drivers/usb/dwc3/core.c
+@@ -128,6 +128,9 @@ static void __dwc3_set_mode(struct work_struct *work)
+ if (dwc->dr_mode != USB_DR_MODE_OTG)
+ return;
+
++ if (dwc->desired_dr_role == DWC3_GCTL_PRTCAP_OTG)
++ return;
++
+ switch (dwc->current_dr_role) {
+ case DWC3_GCTL_PRTCAP_HOST:
+ dwc3_host_exit(dwc);
+diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
+index 54343fbd85ee..bc5e91d4fac8 100644
+--- a/drivers/usb/dwc3/dwc3-pci.c
++++ b/drivers/usb/dwc3/dwc3-pci.c
+@@ -212,7 +212,7 @@ static int dwc3_pci_probe(struct pci_dev *pci,
+ ret = platform_device_add_resources(dwc->dwc3, res, ARRAY_SIZE(res));
+ if (ret) {
+ dev_err(dev, "couldn't add resources to dwc3 device\n");
+- return ret;
++ goto err;
+ }
+
+ dwc->pci = pci;
+diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
+index 0ebdb313bb00..fe75e969f5ac 100644
+--- a/drivers/usb/dwc3/gadget.c
++++ b/drivers/usb/dwc3/gadget.c
+@@ -174,18 +174,8 @@ static void dwc3_ep_inc_deq(struct dwc3_ep *dep)
+ dwc3_ep_inc_trb(&dep->trb_dequeue);
+ }
+
+-/**
+- * dwc3_gadget_giveback - call struct usb_request's ->complete callback
+- * @dep: The endpoint to whom the request belongs to
+- * @req: The request we're giving back
+- * @status: completion code for the request
+- *
+- * Must be called with controller's lock held and interrupts disabled. This
+- * function will unmap @req and call its ->complete() callback to notify upper
+- * layers that it has completed.
+- */
+-void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req,
+- int status)
++void dwc3_gadget_del_and_unmap_request(struct dwc3_ep *dep,
++ struct dwc3_request *req, int status)
+ {
+ struct dwc3 *dwc = dep->dwc;
+
+@@ -198,18 +188,35 @@ void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req,
+
+ if (req->trb)
+ usb_gadget_unmap_request_by_dev(dwc->sysdev,
+- &req->request, req->direction);
++ &req->request, req->direction);
+
+ req->trb = NULL;
+-
+ trace_dwc3_gadget_giveback(req);
+
++ if (dep->number > 1)
++ pm_runtime_put(dwc->dev);
++}
++
++/**
++ * dwc3_gadget_giveback - call struct usb_request's ->complete callback
++ * @dep: The endpoint to whom the request belongs to
++ * @req: The request we're giving back
++ * @status: completion code for the request
++ *
++ * Must be called with controller's lock held and interrupts disabled. This
++ * function will unmap @req and call its ->complete() callback to notify upper
++ * layers that it has completed.
++ */
++void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req,
++ int status)
++{
++ struct dwc3 *dwc = dep->dwc;
++
++ dwc3_gadget_del_and_unmap_request(dep, req, status);
++
+ spin_unlock(&dwc->lock);
+ usb_gadget_giveback_request(&dep->endpoint, &req->request);
+ spin_lock(&dwc->lock);
+-
+- if (dep->number > 1)
+- pm_runtime_put(dwc->dev);
+ }
+
+ /**
+@@ -1233,7 +1240,7 @@ static int __dwc3_gadget_kick_transfer(struct dwc3_ep *dep, u16 cmd_param)
+ if (req->trb)
+ memset(req->trb, 0, sizeof(struct dwc3_trb));
+ dep->queued_requests--;
+- dwc3_gadget_giveback(dep, req, ret);
++ dwc3_gadget_del_and_unmap_request(dep, req, ret);
+ return ret;
+ }
+
+diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c
+index 5d3d7941d2c2..71cf552b8828 100644
+--- a/drivers/usb/gadget/function/f_midi.c
++++ b/drivers/usb/gadget/function/f_midi.c
+@@ -405,7 +405,8 @@ static int f_midi_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
+ if (err) {
+ ERROR(midi, "%s: couldn't enqueue request: %d\n",
+ midi->out_ep->name, err);
+- free_ep_req(midi->out_ep, req);
++ if (req->buf != NULL)
++ free_ep_req(midi->out_ep, req);
+ return err;
+ }
+ }
+diff --git a/drivers/usb/gadget/u_f.h b/drivers/usb/gadget/u_f.h
+index 7d53a4773d1a..2f03334c6874 100644
+--- a/drivers/usb/gadget/u_f.h
++++ b/drivers/usb/gadget/u_f.h
+@@ -64,7 +64,9 @@ struct usb_request *alloc_ep_req(struct usb_ep *ep, size_t len);
+ /* Frees a usb_request previously allocated by alloc_ep_req() */
+ static inline void free_ep_req(struct usb_ep *ep, struct usb_request *req)
+ {
++ WARN_ON(req->buf == NULL);
+ kfree(req->buf);
++ req->buf = NULL;
+ usb_ep_free_request(ep, req);
+ }
+
+diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
+index 794bb4958383..5bab09294a8a 100644
+--- a/drivers/usb/gadget/udc/core.c
++++ b/drivers/usb/gadget/udc/core.c
+@@ -249,6 +249,9 @@ EXPORT_SYMBOL_GPL(usb_ep_free_request);
+ * arranges to poll once per interval, and the gadget driver usually will
+ * have queued some data to transfer at that time.
+ *
++ * Note that @req's ->complete() callback must never be called from
++ * within usb_ep_queue() as that can create deadlock situations.
++ *
+ * Returns zero, or a negative error code. Endpoints that are not enabled
+ * report errors; errors will also be
+ * reported when the usb peripheral is disconnected.
+diff --git a/drivers/usb/musb/musb_gadget_ep0.c b/drivers/usb/musb/musb_gadget_ep0.c
+index 844a309fe895..e85b9c2a4910 100644
+--- a/drivers/usb/musb/musb_gadget_ep0.c
++++ b/drivers/usb/musb/musb_gadget_ep0.c
+@@ -114,15 +114,19 @@ static int service_tx_status_request(
+ }
+
+ is_in = epnum & USB_DIR_IN;
+- if (is_in) {
+- epnum &= 0x0f;
++ epnum &= 0x0f;
++ if (epnum >= MUSB_C_NUM_EPS) {
++ handled = -EINVAL;
++ break;
++ }
++
++ if (is_in)
+ ep = &musb->endpoints[epnum].ep_in;
+- } else {
++ else
+ ep = &musb->endpoints[epnum].ep_out;
+- }
+ regs = musb->endpoints[epnum].regs;
+
+- if (epnum >= MUSB_C_NUM_EPS || !ep->desc) {
++ if (!ep->desc) {
+ handled = -EINVAL;
+ break;
+ }
+diff --git a/drivers/vfio/pci/vfio_pci_config.c b/drivers/vfio/pci/vfio_pci_config.c
+index 91335e6de88a..115a36f6f403 100644
+--- a/drivers/vfio/pci/vfio_pci_config.c
++++ b/drivers/vfio/pci/vfio_pci_config.c
+@@ -808,6 +808,7 @@ static int vfio_exp_config_write(struct vfio_pci_device *vdev, int pos,
+ {
+ __le16 *ctrl = (__le16 *)(vdev->vconfig + pos -
+ offset + PCI_EXP_DEVCTL);
++ int readrq = le16_to_cpu(*ctrl) & PCI_EXP_DEVCTL_READRQ;
+
+ count = vfio_default_config_write(vdev, pos, count, perm, offset, val);
+ if (count < 0)
+@@ -833,6 +834,27 @@ static int vfio_exp_config_write(struct vfio_pci_device *vdev, int pos,
+ pci_try_reset_function(vdev->pdev);
+ }
+
++ /*
++ * MPS is virtualized to the user, writes do not change the physical
++ * register since determining a proper MPS value requires a system wide
++ * device view. The MRRS is largely independent of MPS, but since the
++ * user does not have that system-wide view, they might set a safe, but
++ * inefficiently low value. Here we allow writes through to hardware,
++ * but we set the floor to the physical device MPS setting, so that
++ * we can at least use full TLPs, as defined by the MPS value.
++ *
++ * NB, if any devices actually depend on an artificially low MRRS
++ * setting, this will need to be revisited, perhaps with a quirk
++ * though pcie_set_readrq().
++ */
++ if (readrq != (le16_to_cpu(*ctrl) & PCI_EXP_DEVCTL_READRQ)) {
++ readrq = 128 <<
++ ((le16_to_cpu(*ctrl) & PCI_EXP_DEVCTL_READRQ) >> 12);
++ readrq = max(readrq, pcie_get_mps(vdev->pdev));
++
++ pcie_set_readrq(vdev->pdev, readrq);
++ }
++
+ return count;
+ }
+
+@@ -851,11 +873,12 @@ static int __init init_pci_cap_exp_perm(struct perm_bits *perm)
+ * Allow writes to device control fields, except devctl_phantom,
+ * which could confuse IOMMU, MPS, which can break communication
+ * with other physical devices, and the ARI bit in devctl2, which
+- * is set at probe time. FLR gets virtualized via our writefn.
++ * is set at probe time. FLR and MRRS get virtualized via our
++ * writefn.
+ */
+ p_setw(perm, PCI_EXP_DEVCTL,
+- PCI_EXP_DEVCTL_BCR_FLR | PCI_EXP_DEVCTL_PAYLOAD,
+- ~PCI_EXP_DEVCTL_PHANTOM);
++ PCI_EXP_DEVCTL_BCR_FLR | PCI_EXP_DEVCTL_PAYLOAD |
++ PCI_EXP_DEVCTL_READRQ, ~PCI_EXP_DEVCTL_PHANTOM);
+ p_setw(perm, PCI_EXP_DEVCTL2, NO_VIRT, ~PCI_EXP_DEVCTL2_ARI);
+ return 0;
+ }
+diff --git a/drivers/watchdog/f71808e_wdt.c b/drivers/watchdog/f71808e_wdt.c
+index 8658dba21768..e682bf046e50 100644
+--- a/drivers/watchdog/f71808e_wdt.c
++++ b/drivers/watchdog/f71808e_wdt.c
+@@ -496,7 +496,7 @@ static bool watchdog_is_running(void)
+
+ is_running = (superio_inb(watchdog.sioaddr, SIO_REG_ENABLE) & BIT(0))
+ && (superio_inb(watchdog.sioaddr, F71808FG_REG_WDT_CONF)
+- & F71808FG_FLAG_WD_EN);
++ & BIT(F71808FG_FLAG_WD_EN));
+
+ superio_exit(watchdog.sioaddr);
+
+diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
+index 82e8f6edfb48..b12e37f27530 100644
+--- a/fs/autofs4/root.c
++++ b/fs/autofs4/root.c
+@@ -749,7 +749,7 @@ static int autofs4_dir_mkdir(struct inode *dir,
+
+ autofs4_del_active(dentry);
+
+- inode = autofs4_get_inode(dir->i_sb, S_IFDIR | 0555);
++ inode = autofs4_get_inode(dir->i_sb, S_IFDIR | mode);
+ if (!inode)
+ return -ENOMEM;
+ d_add(dentry, inode);
+diff --git a/fs/cifs/Kconfig b/fs/cifs/Kconfig
+index d5b2e12b5d02..cb0f1fbe836d 100644
+--- a/fs/cifs/Kconfig
++++ b/fs/cifs/Kconfig
+@@ -190,6 +190,7 @@ config CIFS_NFSD_EXPORT
+ config CIFS_SMB311
+ bool "SMB3.1.1 network file system support (Experimental)"
+ depends on CIFS
++ select CRYPTO_SHA512
+
+ help
+ This enables experimental support for the newest, SMB3.1.1, dialect.
+diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
+index f2b0a7f124da..a6ef088e057b 100644
+--- a/fs/cifs/cifsencrypt.c
++++ b/fs/cifs/cifsencrypt.c
+@@ -36,37 +36,6 @@
+ #include <crypto/skcipher.h>
+ #include <crypto/aead.h>
+
+-static int
+-cifs_crypto_shash_md5_allocate(struct TCP_Server_Info *server)
+-{
+- int rc;
+- unsigned int size;
+-
+- if (server->secmech.sdescmd5 != NULL)
+- return 0; /* already allocated */
+-
+- server->secmech.md5 = crypto_alloc_shash("md5", 0, 0);
+- if (IS_ERR(server->secmech.md5)) {
+- cifs_dbg(VFS, "could not allocate crypto md5\n");
+- rc = PTR_ERR(server->secmech.md5);
+- server->secmech.md5 = NULL;
+- return rc;
+- }
+-
+- size = sizeof(struct shash_desc) +
+- crypto_shash_descsize(server->secmech.md5);
+- server->secmech.sdescmd5 = kmalloc(size, GFP_KERNEL);
+- if (!server->secmech.sdescmd5) {
+- crypto_free_shash(server->secmech.md5);
+- server->secmech.md5 = NULL;
+- return -ENOMEM;
+- }
+- server->secmech.sdescmd5->shash.tfm = server->secmech.md5;
+- server->secmech.sdescmd5->shash.flags = 0x0;
+-
+- return 0;
+-}
+-
+ int __cifs_calc_signature(struct smb_rqst *rqst,
+ struct TCP_Server_Info *server, char *signature,
+ struct shash_desc *shash)
+@@ -132,13 +101,10 @@ static int cifs_calc_signature(struct smb_rqst *rqst,
+ if (!rqst->rq_iov || !signature || !server)
+ return -EINVAL;
+
+- if (!server->secmech.sdescmd5) {
+- rc = cifs_crypto_shash_md5_allocate(server);
+- if (rc) {
+- cifs_dbg(VFS, "%s: Can't alloc md5 crypto\n", __func__);
+- return -1;
+- }
+- }
++ rc = cifs_alloc_hash("md5", &server->secmech.md5,
++ &server->secmech.sdescmd5);
++ if (rc)
++ return -1;
+
+ rc = crypto_shash_init(&server->secmech.sdescmd5->shash);
+ if (rc) {
+@@ -663,37 +629,6 @@ CalcNTLMv2_response(const struct cifs_ses *ses, char *ntlmv2_hash)
+ return rc;
+ }
+
+-static int crypto_hmacmd5_alloc(struct TCP_Server_Info *server)
+-{
+- int rc;
+- unsigned int size;
+-
+- /* check if already allocated */
+- if (server->secmech.sdeschmacmd5)
+- return 0;
+-
+- server->secmech.hmacmd5 = crypto_alloc_shash("hmac(md5)", 0, 0);
+- if (IS_ERR(server->secmech.hmacmd5)) {
+- cifs_dbg(VFS, "could not allocate crypto hmacmd5\n");
+- rc = PTR_ERR(server->secmech.hmacmd5);
+- server->secmech.hmacmd5 = NULL;
+- return rc;
+- }
+-
+- size = sizeof(struct shash_desc) +
+- crypto_shash_descsize(server->secmech.hmacmd5);
+- server->secmech.sdeschmacmd5 = kmalloc(size, GFP_KERNEL);
+- if (!server->secmech.sdeschmacmd5) {
+- crypto_free_shash(server->secmech.hmacmd5);
+- server->secmech.hmacmd5 = NULL;
+- return -ENOMEM;
+- }
+- server->secmech.sdeschmacmd5->shash.tfm = server->secmech.hmacmd5;
+- server->secmech.sdeschmacmd5->shash.flags = 0x0;
+-
+- return 0;
+-}
+-
+ int
+ setup_ntlmv2_rsp(struct cifs_ses *ses, const struct nls_table *nls_cp)
+ {
+@@ -757,9 +692,10 @@ setup_ntlmv2_rsp(struct cifs_ses *ses, const struct nls_table *nls_cp)
+
+ mutex_lock(&ses->server->srv_mutex);
+
+- rc = crypto_hmacmd5_alloc(ses->server);
++ rc = cifs_alloc_hash("hmac(md5)",
++ &ses->server->secmech.hmacmd5,
++ &ses->server->secmech.sdeschmacmd5);
+ if (rc) {
+- cifs_dbg(VFS, "could not crypto alloc hmacmd5 rc %d\n", rc);
+ goto unlock;
+ }
+
+@@ -893,6 +829,11 @@ cifs_crypto_secmech_release(struct TCP_Server_Info *server)
+ server->secmech.md5 = NULL;
+ }
+
++ if (server->secmech.sha512) {
++ crypto_free_shash(server->secmech.sha512);
++ server->secmech.sha512 = NULL;
++ }
++
+ if (server->secmech.hmacmd5) {
+ crypto_free_shash(server->secmech.hmacmd5);
+ server->secmech.hmacmd5 = NULL;
+@@ -916,4 +857,6 @@ cifs_crypto_secmech_release(struct TCP_Server_Info *server)
+ server->secmech.sdeschmacmd5 = NULL;
+ kfree(server->secmech.sdescmd5);
+ server->secmech.sdescmd5 = NULL;
++ kfree(server->secmech.sdescsha512);
++ server->secmech.sdescsha512 = NULL;
+ }
+diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
+index 8c8b75d33f31..dbcd2e066066 100644
+--- a/fs/cifs/cifsfs.c
++++ b/fs/cifs/cifsfs.c
+@@ -1476,6 +1476,7 @@ MODULE_SOFTDEP("pre: nls");
+ MODULE_SOFTDEP("pre: aes");
+ MODULE_SOFTDEP("pre: cmac");
+ MODULE_SOFTDEP("pre: sha256");
++MODULE_SOFTDEP("pre: sha512");
+ MODULE_SOFTDEP("pre: aead2");
+ MODULE_SOFTDEP("pre: ccm");
+ module_init(init_cifs)
+diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
+index e185b2853eab..33d6eb58ce34 100644
+--- a/fs/cifs/cifsglob.h
++++ b/fs/cifs/cifsglob.h
+@@ -130,10 +130,12 @@ struct cifs_secmech {
+ struct crypto_shash *md5; /* md5 hash function */
+ struct crypto_shash *hmacsha256; /* hmac-sha256 hash function */
+ struct crypto_shash *cmacaes; /* block-cipher based MAC function */
++ struct crypto_shash *sha512; /* sha512 hash function */
+ struct sdesc *sdeschmacmd5; /* ctxt to generate ntlmv2 hash, CR1 */
+ struct sdesc *sdescmd5; /* ctxt to generate cifs/smb signature */
+ struct sdesc *sdeschmacsha256; /* ctxt to generate smb2 signature */
+ struct sdesc *sdesccmacaes; /* ctxt to generate smb3 signature */
++ struct sdesc *sdescsha512; /* ctxt to generate smb3.11 signing key */
+ struct crypto_aead *ccmaesencrypt; /* smb3 encryption aead */
+ struct crypto_aead *ccmaesdecrypt; /* smb3 decryption aead */
+ };
+@@ -1449,6 +1451,7 @@ struct dfs_info3_param {
+ #define CIFS_FATTR_NEED_REVAL 0x4
+ #define CIFS_FATTR_INO_COLLISION 0x8
+ #define CIFS_FATTR_UNKNOWN_NLINK 0x10
++#define CIFS_FATTR_FAKE_ROOT_INO 0x20
+
+ struct cifs_fattr {
+ u32 cf_flags;
+diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
+index 4143c9dec463..762d513a5087 100644
+--- a/fs/cifs/cifsproto.h
++++ b/fs/cifs/cifsproto.h
+@@ -538,4 +538,9 @@ enum securityEnum cifs_select_sectype(struct TCP_Server_Info *,
+ struct cifs_aio_ctx *cifs_aio_ctx_alloc(void);
+ void cifs_aio_ctx_release(struct kref *refcount);
+ int setup_aio_ctx_iter(struct cifs_aio_ctx *ctx, struct iov_iter *iter, int rw);
++
++int cifs_alloc_hash(const char *name, struct crypto_shash **shash,
++ struct sdesc **sdesc);
++void cifs_free_hash(struct crypto_shash **shash, struct sdesc **sdesc);
++
+ #endif /* _CIFSPROTO_H */
+diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
+index 7c732cb44164..0c7b7e2a0919 100644
+--- a/fs/cifs/inode.c
++++ b/fs/cifs/inode.c
+@@ -707,6 +707,18 @@ cifs_get_file_info(struct file *filp)
+ return rc;
+ }
+
++/* Simple function to return a 64 bit hash of string. Rarely called */
++static __u64 simple_hashstr(const char *str)
++{
++ const __u64 hash_mult = 1125899906842597L; /* a big enough prime */
++ __u64 hash = 0;
++
++ while (*str)
++ hash = (hash + (__u64) *str++) * hash_mult;
++
++ return hash;
++}
++
+ int
+ cifs_get_inode_info(struct inode **inode, const char *full_path,
+ FILE_ALL_INFO *data, struct super_block *sb, int xid,
+@@ -816,6 +828,14 @@ cifs_get_inode_info(struct inode **inode, const char *full_path,
+ tmprc);
+ fattr.cf_uniqueid = iunique(sb, ROOT_I);
+ cifs_autodisable_serverino(cifs_sb);
++ } else if ((fattr.cf_uniqueid == 0) &&
++ strlen(full_path) == 0) {
++ /* some servers ret bad root ino ie 0 */
++ cifs_dbg(FYI, "Invalid (0) inodenum\n");
++ fattr.cf_flags |=
++ CIFS_FATTR_FAKE_ROOT_INO;
++ fattr.cf_uniqueid =
++ simple_hashstr(tcon->treeName);
+ }
+ }
+ } else
+@@ -832,6 +852,16 @@ cifs_get_inode_info(struct inode **inode, const char *full_path,
+ &fattr.cf_uniqueid, data);
+ if (tmprc)
+ fattr.cf_uniqueid = CIFS_I(*inode)->uniqueid;
++ else if ((fattr.cf_uniqueid == 0) &&
++ strlen(full_path) == 0) {
++ /*
++ * Reuse existing root inode num since
++ * inum zero for root causes ls of . and .. to
++ * not be returned
++ */
++ cifs_dbg(FYI, "Srv ret 0 inode num for root\n");
++ fattr.cf_uniqueid = CIFS_I(*inode)->uniqueid;
++ }
+ } else
+ fattr.cf_uniqueid = CIFS_I(*inode)->uniqueid;
+ }
+@@ -893,6 +923,9 @@ cifs_get_inode_info(struct inode **inode, const char *full_path,
+ }
+
+ cgii_exit:
++ if ((*inode) && ((*inode)->i_ino == 0))
++ cifs_dbg(FYI, "inode number of zero returned\n");
++
+ kfree(buf);
+ cifs_put_tlink(tlink);
+ return rc;
+diff --git a/fs/cifs/link.c b/fs/cifs/link.c
+index 60b5a11ee11b..889a840172eb 100644
+--- a/fs/cifs/link.c
++++ b/fs/cifs/link.c
+@@ -50,25 +50,12 @@ static int
+ symlink_hash(unsigned int link_len, const char *link_str, u8 *md5_hash)
+ {
+ int rc;
+- unsigned int size;
+- struct crypto_shash *md5;
+- struct sdesc *sdescmd5;
+-
+- md5 = crypto_alloc_shash("md5", 0, 0);
+- if (IS_ERR(md5)) {
+- rc = PTR_ERR(md5);
+- cifs_dbg(VFS, "%s: Crypto md5 allocation error %d\n",
+- __func__, rc);
+- return rc;
+- }
+- size = sizeof(struct shash_desc) + crypto_shash_descsize(md5);
+- sdescmd5 = kmalloc(size, GFP_KERNEL);
+- if (!sdescmd5) {
+- rc = -ENOMEM;
++ struct crypto_shash *md5 = NULL;
++ struct sdesc *sdescmd5 = NULL;
++
++ rc = cifs_alloc_hash("md5", &md5, &sdescmd5);
++ if (rc)
+ goto symlink_hash_err;
+- }
+- sdescmd5->shash.tfm = md5;
+- sdescmd5->shash.flags = 0x0;
+
+ rc = crypto_shash_init(&sdescmd5->shash);
+ if (rc) {
+@@ -85,9 +72,7 @@ symlink_hash(unsigned int link_len, const char *link_str, u8 *md5_hash)
+ cifs_dbg(VFS, "%s: Could not generate md5 hash\n", __func__);
+
+ symlink_hash_err:
+- crypto_free_shash(md5);
+- kfree(sdescmd5);
+-
++ cifs_free_hash(&md5, &sdescmd5);
+ return rc;
+ }
+
+diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
+index a0dbced4a45c..460084a8eac5 100644
+--- a/fs/cifs/misc.c
++++ b/fs/cifs/misc.c
+@@ -848,3 +848,57 @@ setup_aio_ctx_iter(struct cifs_aio_ctx *ctx, struct iov_iter *iter, int rw)
+ iov_iter_bvec(&ctx->iter, ITER_BVEC | rw, ctx->bv, npages, ctx->len);
+ return 0;
+ }
++
++/**
++ * cifs_alloc_hash - allocate hash and hash context together
++ *
++ * The caller has to make sure @sdesc is initialized to either NULL or
++ * a valid context. Both can be freed via cifs_free_hash().
++ */
++int
++cifs_alloc_hash(const char *name,
++ struct crypto_shash **shash, struct sdesc **sdesc)
++{
++ int rc = 0;
++ size_t size;
++
++ if (*sdesc != NULL)
++ return 0;
++
++ *shash = crypto_alloc_shash(name, 0, 0);
++ if (IS_ERR(*shash)) {
++ cifs_dbg(VFS, "could not allocate crypto %s\n", name);
++ rc = PTR_ERR(*shash);
++ *shash = NULL;
++ *sdesc = NULL;
++ return rc;
++ }
++
++ size = sizeof(struct shash_desc) + crypto_shash_descsize(*shash);
++ *sdesc = kmalloc(size, GFP_KERNEL);
++ if (*sdesc == NULL) {
++ cifs_dbg(VFS, "no memory left to allocate crypto %s\n", name);
++ crypto_free_shash(*shash);
++ *shash = NULL;
++ return -ENOMEM;
++ }
++
++ (*sdesc)->shash.tfm = *shash;
++ (*sdesc)->shash.flags = 0x0;
++ return 0;
++}
++
++/**
++ * cifs_free_hash - free hash and hash context together
++ *
++ * Freeing a NULL hash or context is safe.
++ */
++void
++cifs_free_hash(struct crypto_shash **shash, struct sdesc **sdesc)
++{
++ kfree(*sdesc);
++ *sdesc = NULL;
++ if (*shash)
++ crypto_free_shash(*shash);
++ *shash = NULL;
++}
+diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
+index bdb963d0ba32..eef875da7c0b 100644
+--- a/fs/cifs/smb2ops.c
++++ b/fs/cifs/smb2ops.c
+@@ -2060,6 +2060,15 @@ fill_transform_hdr(struct smb2_transform_hdr *tr_hdr, struct smb_rqst *old_rq)
+ inc_rfc1001_len(tr_hdr, orig_len);
+ }
+
++/* We can not use the normal sg_set_buf() as we will sometimes pass a
++ * stack object as buf.
++ */
++static inline void smb2_sg_set_buf(struct scatterlist *sg, const void *buf,
++ unsigned int buflen)
++{
++ sg_set_page(sg, virt_to_page(buf), buflen, offset_in_page(buf));
++}
++
+ static struct scatterlist *
+ init_sg(struct smb_rqst *rqst, u8 *sign)
+ {
+@@ -2074,16 +2083,16 @@ init_sg(struct smb_rqst *rqst, u8 *sign)
+ return NULL;
+
+ sg_init_table(sg, sg_len);
+- sg_set_buf(&sg[0], rqst->rq_iov[0].iov_base + 24, assoc_data_len);
++ smb2_sg_set_buf(&sg[0], rqst->rq_iov[0].iov_base + 24, assoc_data_len);
+ for (i = 1; i < rqst->rq_nvec; i++)
+- sg_set_buf(&sg[i], rqst->rq_iov[i].iov_base,
++ smb2_sg_set_buf(&sg[i], rqst->rq_iov[i].iov_base,
+ rqst->rq_iov[i].iov_len);
+ for (j = 0; i < sg_len - 1; i++, j++) {
+ unsigned int len = (j < rqst->rq_npages - 1) ? rqst->rq_pagesz
+ : rqst->rq_tailsz;
+ sg_set_page(&sg[i], rqst->rq_pages[j], len, 0);
+ }
+- sg_set_buf(&sg[sg_len - 1], sign, SMB2_SIGNATURE_SIZE);
++ smb2_sg_set_buf(&sg[sg_len - 1], sign, SMB2_SIGNATURE_SIZE);
+ return sg;
+ }
+
+diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
+index 66af1f8a13cc..49779d952cd5 100644
+--- a/fs/cifs/smb2pdu.c
++++ b/fs/cifs/smb2pdu.c
+@@ -1773,8 +1773,10 @@ SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, __le16 *path,
+ rc = alloc_path_with_tree_prefix(©_path, ©_size,
+ &name_len,
+ tcon->treeName, path);
+- if (rc)
++ if (rc) {
++ cifs_small_buf_release(req);
+ return rc;
++ }
+ req->NameLength = cpu_to_le16(name_len * 2);
+ uni_path_len = copy_size;
+ path = copy_path;
+@@ -1785,8 +1787,10 @@ SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, __le16 *path,
+ if (uni_path_len % 8 != 0) {
+ copy_size = roundup(uni_path_len, 8);
+ copy_path = kzalloc(copy_size, GFP_KERNEL);
+- if (!copy_path)
++ if (!copy_path) {
++ cifs_small_buf_release(req);
+ return -ENOMEM;
++ }
+ memcpy((char *)copy_path, (const char *)path,
+ uni_path_len);
+ uni_path_len = copy_size;
+diff --git a/fs/cifs/smb2proto.h b/fs/cifs/smb2proto.h
+index e9ab5227e7a8..6fe4898f6975 100644
+--- a/fs/cifs/smb2proto.h
++++ b/fs/cifs/smb2proto.h
+@@ -203,4 +203,7 @@ extern int smb3_validate_negotiate(const unsigned int, struct cifs_tcon *);
+
+ extern enum securityEnum smb2_select_sectype(struct TCP_Server_Info *,
+ enum securityEnum);
++#ifdef CONFIG_CIFS_SMB311
++extern int smb311_crypto_shash_allocate(struct TCP_Server_Info *server);
++#endif
+ #endif /* _SMB2PROTO_H */
+diff --git a/fs/cifs/smb2transport.c b/fs/cifs/smb2transport.c
+index 99493946e2f9..bf49cb73b9e6 100644
+--- a/fs/cifs/smb2transport.c
++++ b/fs/cifs/smb2transport.c
+@@ -43,77 +43,62 @@
+ static int
+ smb2_crypto_shash_allocate(struct TCP_Server_Info *server)
+ {
+- int rc;
+- unsigned int size;
++ return cifs_alloc_hash("hmac(sha256)",
++ &server->secmech.hmacsha256,
++ &server->secmech.sdeschmacsha256);
++}
+
+- if (server->secmech.sdeschmacsha256 != NULL)
+- return 0; /* already allocated */
++static int
++smb3_crypto_shash_allocate(struct TCP_Server_Info *server)
++{
++ struct cifs_secmech *p = &server->secmech;
++ int rc;
+
+- server->secmech.hmacsha256 = crypto_alloc_shash("hmac(sha256)", 0, 0);
+- if (IS_ERR(server->secmech.hmacsha256)) {
+- cifs_dbg(VFS, "could not allocate crypto hmacsha256\n");
+- rc = PTR_ERR(server->secmech.hmacsha256);
+- server->secmech.hmacsha256 = NULL;
+- return rc;
+- }
++ rc = cifs_alloc_hash("hmac(sha256)",
++ &p->hmacsha256,
++ &p->sdeschmacsha256);
++ if (rc)
++ goto err;
+
+- size = sizeof(struct shash_desc) +
+- crypto_shash_descsize(server->secmech.hmacsha256);
+- server->secmech.sdeschmacsha256 = kmalloc(size, GFP_KERNEL);
+- if (!server->secmech.sdeschmacsha256) {
+- crypto_free_shash(server->secmech.hmacsha256);
+- server->secmech.hmacsha256 = NULL;
+- return -ENOMEM;
+- }
+- server->secmech.sdeschmacsha256->shash.tfm = server->secmech.hmacsha256;
+- server->secmech.sdeschmacsha256->shash.flags = 0x0;
++ rc = cifs_alloc_hash("cmac(aes)", &p->cmacaes, &p->sdesccmacaes);
++ if (rc)
++ goto err;
+
+ return 0;
++err:
++ cifs_free_hash(&p->hmacsha256, &p->sdeschmacsha256);
++ return rc;
+ }
+
+-static int
+-smb3_crypto_shash_allocate(struct TCP_Server_Info *server)
++#ifdef CONFIG_CIFS_SMB311
++int
++smb311_crypto_shash_allocate(struct TCP_Server_Info *server)
+ {
+- unsigned int size;
+- int rc;
+-
+- if (server->secmech.sdesccmacaes != NULL)
+- return 0; /* already allocated */
++ struct cifs_secmech *p = &server->secmech;
++ int rc = 0;
+
+- rc = smb2_crypto_shash_allocate(server);
++ rc = cifs_alloc_hash("hmac(sha256)",
++ &p->hmacsha256,
++ &p->sdeschmacsha256);
+ if (rc)
+ return rc;
+
+- server->secmech.cmacaes = crypto_alloc_shash("cmac(aes)", 0, 0);
+- if (IS_ERR(server->secmech.cmacaes)) {
+- cifs_dbg(VFS, "could not allocate crypto cmac-aes");
+- kfree(server->secmech.sdeschmacsha256);
+- server->secmech.sdeschmacsha256 = NULL;
+- crypto_free_shash(server->secmech.hmacsha256);
+- server->secmech.hmacsha256 = NULL;
+- rc = PTR_ERR(server->secmech.cmacaes);
+- server->secmech.cmacaes = NULL;
+- return rc;
+- }
++ rc = cifs_alloc_hash("cmac(aes)", &p->cmacaes, &p->sdesccmacaes);
++ if (rc)
++ goto err;
+
+- size = sizeof(struct shash_desc) +
+- crypto_shash_descsize(server->secmech.cmacaes);
+- server->secmech.sdesccmacaes = kmalloc(size, GFP_KERNEL);
+- if (!server->secmech.sdesccmacaes) {
+- cifs_dbg(VFS, "%s: Can't alloc cmacaes\n", __func__);
+- kfree(server->secmech.sdeschmacsha256);
+- server->secmech.sdeschmacsha256 = NULL;
+- crypto_free_shash(server->secmech.hmacsha256);
+- crypto_free_shash(server->secmech.cmacaes);
+- server->secmech.hmacsha256 = NULL;
+- server->secmech.cmacaes = NULL;
+- return -ENOMEM;
+- }
+- server->secmech.sdesccmacaes->shash.tfm = server->secmech.cmacaes;
+- server->secmech.sdesccmacaes->shash.flags = 0x0;
++ rc = cifs_alloc_hash("sha512", &p->sha512, &p->sdescsha512);
++ if (rc)
++ goto err;
+
+ return 0;
++
++err:
++ cifs_free_hash(&p->cmacaes, &p->sdesccmacaes);
++ cifs_free_hash(&p->hmacsha256, &p->sdeschmacsha256);
++ return rc;
+ }
++#endif
+
+ static struct cifs_ses *
+ smb2_find_smb_ses_unlocked(struct TCP_Server_Info *server, __u64 ses_id)
+@@ -457,7 +442,7 @@ smb3_calc_signature(struct smb_rqst *rqst, struct TCP_Server_Info *server)
+ cifs_dbg(VFS, "%s: Could not init cmac aes\n", __func__);
+ return rc;
+ }
+-
++
+ rc = __cifs_calc_signature(rqst, server, sigptr,
+ &server->secmech.sdesccmacaes->shash);
+
+diff --git a/fs/cifs/smbencrypt.c b/fs/cifs/smbencrypt.c
+index c12bffefa3c9..a0b80ac651a6 100644
+--- a/fs/cifs/smbencrypt.c
++++ b/fs/cifs/smbencrypt.c
+@@ -121,25 +121,12 @@ int
+ mdfour(unsigned char *md4_hash, unsigned char *link_str, int link_len)
+ {
+ int rc;
+- unsigned int size;
+- struct crypto_shash *md4;
+- struct sdesc *sdescmd4;
+-
+- md4 = crypto_alloc_shash("md4", 0, 0);
+- if (IS_ERR(md4)) {
+- rc = PTR_ERR(md4);
+- cifs_dbg(VFS, "%s: Crypto md4 allocation error %d\n",
+- __func__, rc);
+- return rc;
+- }
+- size = sizeof(struct shash_desc) + crypto_shash_descsize(md4);
+- sdescmd4 = kmalloc(size, GFP_KERNEL);
+- if (!sdescmd4) {
+- rc = -ENOMEM;
++ struct crypto_shash *md4 = NULL;
++ struct sdesc *sdescmd4 = NULL;
++
++ rc = cifs_alloc_hash("md4", &md4, &sdescmd4);
++ if (rc)
+ goto mdfour_err;
+- }
+- sdescmd4->shash.tfm = md4;
+- sdescmd4->shash.flags = 0x0;
+
+ rc = crypto_shash_init(&sdescmd4->shash);
+ if (rc) {
+@@ -156,9 +143,7 @@ mdfour(unsigned char *md4_hash, unsigned char *link_str, int link_len)
+ cifs_dbg(VFS, "%s: Could not generate md4 hash\n", __func__);
+
+ mdfour_err:
+- crypto_free_shash(md4);
+- kfree(sdescmd4);
+-
++ cifs_free_hash(&md4, &sdescmd4);
+ return rc;
+ }
+
+diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
+index d5ddfb96c83c..db5be5e2e6f2 100644
+--- a/fs/ext4/balloc.c
++++ b/fs/ext4/balloc.c
+@@ -243,8 +243,6 @@ static int ext4_init_block_bitmap(struct super_block *sb,
+ */
+ ext4_mark_bitmap_end(num_clusters_in_group(sb, block_group),
+ sb->s_blocksize * 8, bh->b_data);
+- ext4_block_bitmap_csum_set(sb, block_group, gdp, bh);
+- ext4_group_desc_csum_set(sb, block_group, gdp);
+ return 0;
+ }
+
+@@ -448,6 +446,7 @@ ext4_read_block_bitmap_nowait(struct super_block *sb, ext4_group_t block_group)
+ err = ext4_init_block_bitmap(sb, bh, block_group, desc);
+ set_bitmap_uptodate(bh);
+ set_buffer_uptodate(bh);
++ set_buffer_verified(bh);
+ ext4_unlock_group(sb, block_group);
+ unlock_buffer(bh);
+ if (err) {
+diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c
+index 2d593201cf7a..7c70b08d104c 100644
+--- a/fs/ext4/ext4_jbd2.c
++++ b/fs/ext4/ext4_jbd2.c
+@@ -166,13 +166,6 @@ int __ext4_journal_get_write_access(const char *where, unsigned int line,
+ might_sleep();
+
+ if (ext4_handle_valid(handle)) {
+- struct super_block *sb;
+-
+- sb = handle->h_transaction->t_journal->j_private;
+- if (unlikely(ext4_forced_shutdown(EXT4_SB(sb)))) {
+- jbd2_journal_abort_handle(handle);
+- return -EIO;
+- }
+ err = jbd2_journal_get_write_access(handle, bh);
+ if (err)
+ ext4_journal_abort_handle(where, line, __func__, bh,
+diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
+index 207588dc803e..7ec55dd8db56 100644
+--- a/fs/ext4/ialloc.c
++++ b/fs/ext4/ialloc.c
+@@ -66,44 +66,6 @@ void ext4_mark_bitmap_end(int start_bit, int end_bit, char *bitmap)
+ memset(bitmap + (i >> 3), 0xff, (end_bit - i) >> 3);
+ }
+
+-/* Initializes an uninitialized inode bitmap */
+-static int ext4_init_inode_bitmap(struct super_block *sb,
+- struct buffer_head *bh,
+- ext4_group_t block_group,
+- struct ext4_group_desc *gdp)
+-{
+- struct ext4_group_info *grp;
+- struct ext4_sb_info *sbi = EXT4_SB(sb);
+- J_ASSERT_BH(bh, buffer_locked(bh));
+-
+- /* If checksum is bad mark all blocks and inodes use to prevent
+- * allocation, essentially implementing a per-group read-only flag. */
+- if (!ext4_group_desc_csum_verify(sb, block_group, gdp)) {
+- grp = ext4_get_group_info(sb, block_group);
+- if (!EXT4_MB_GRP_BBITMAP_CORRUPT(grp))
+- percpu_counter_sub(&sbi->s_freeclusters_counter,
+- grp->bb_free);
+- set_bit(EXT4_GROUP_INFO_BBITMAP_CORRUPT_BIT, &grp->bb_state);
+- if (!EXT4_MB_GRP_IBITMAP_CORRUPT(grp)) {
+- int count;
+- count = ext4_free_inodes_count(sb, gdp);
+- percpu_counter_sub(&sbi->s_freeinodes_counter,
+- count);
+- }
+- set_bit(EXT4_GROUP_INFO_IBITMAP_CORRUPT_BIT, &grp->bb_state);
+- return -EFSBADCRC;
+- }
+-
+- memset(bh->b_data, 0, (EXT4_INODES_PER_GROUP(sb) + 7) / 8);
+- ext4_mark_bitmap_end(EXT4_INODES_PER_GROUP(sb), sb->s_blocksize * 8,
+- bh->b_data);
+- ext4_inode_bitmap_csum_set(sb, block_group, gdp, bh,
+- EXT4_INODES_PER_GROUP(sb) / 8);
+- ext4_group_desc_csum_set(sb, block_group, gdp);
+-
+- return 0;
+-}
+-
+ void ext4_end_bitmap_read(struct buffer_head *bh, int uptodate)
+ {
+ if (uptodate) {
+@@ -187,17 +149,14 @@ ext4_read_inode_bitmap(struct super_block *sb, ext4_group_t block_group)
+
+ ext4_lock_group(sb, block_group);
+ if (desc->bg_flags & cpu_to_le16(EXT4_BG_INODE_UNINIT)) {
+- err = ext4_init_inode_bitmap(sb, bh, block_group, desc);
++ memset(bh->b_data, 0, (EXT4_INODES_PER_GROUP(sb) + 7) / 8);
++ ext4_mark_bitmap_end(EXT4_INODES_PER_GROUP(sb),
++ sb->s_blocksize * 8, bh->b_data);
+ set_bitmap_uptodate(bh);
+ set_buffer_uptodate(bh);
+ set_buffer_verified(bh);
+ ext4_unlock_group(sb, block_group);
+ unlock_buffer(bh);
+- if (err) {
+- ext4_error(sb, "Failed to init inode bitmap for group "
+- "%u: %d", block_group, err);
+- goto out;
+- }
+ return bh;
+ }
+ ext4_unlock_group(sb, block_group);
+diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
+index 0b9f3f284799..09014c3c4207 100644
+--- a/fs/ext4/inode.c
++++ b/fs/ext4/inode.c
+@@ -3614,7 +3614,6 @@ static ssize_t ext4_direct_IO_write(struct kiocb *iocb, struct iov_iter *iter)
+ {
+ struct file *file = iocb->ki_filp;
+ struct inode *inode = file->f_mapping->host;
+- struct ext4_inode_info *ei = EXT4_I(inode);
+ ssize_t ret;
+ loff_t offset = iocb->ki_pos;
+ size_t count = iov_iter_count(iter);
+@@ -3638,7 +3637,7 @@ static ssize_t ext4_direct_IO_write(struct kiocb *iocb, struct iov_iter *iter)
+ goto out;
+ }
+ orphan = 1;
+- ei->i_disksize = inode->i_size;
++ ext4_update_i_disksize(inode, inode->i_size);
+ ext4_journal_stop(handle);
+ }
+
+@@ -3746,7 +3745,7 @@ static ssize_t ext4_direct_IO_write(struct kiocb *iocb, struct iov_iter *iter)
+ if (ret > 0) {
+ loff_t end = offset + ret;
+ if (end > inode->i_size) {
+- ei->i_disksize = end;
++ ext4_update_i_disksize(inode, end);
+ i_size_write(inode, end);
+ /*
+ * We're going to return a positive `ret'
+@@ -4686,6 +4685,12 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
+ goto bad_inode;
+ raw_inode = ext4_raw_inode(&iloc);
+
++ if ((ino == EXT4_ROOT_INO) && (raw_inode->i_links_count == 0)) {
++ EXT4_ERROR_INODE(inode, "root inode unallocated");
++ ret = -EFSCORRUPTED;
++ goto bad_inode;
++ }
++
+ if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE) {
+ ei->i_extra_isize = le16_to_cpu(raw_inode->i_extra_isize);
+ if (EXT4_GOOD_OLD_INODE_SIZE + ei->i_extra_isize >
+diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
+index d97f40396765..1eb68e626931 100644
+--- a/fs/ext4/ioctl.c
++++ b/fs/ext4/ioctl.c
+@@ -493,15 +493,13 @@ static int ext4_shutdown(struct super_block *sb, unsigned long arg)
+ set_bit(EXT4_FLAGS_SHUTDOWN, &sbi->s_ext4_flags);
+ if (sbi->s_journal && !is_journal_aborted(sbi->s_journal)) {
+ (void) ext4_force_commit(sb);
+- jbd2_journal_abort(sbi->s_journal, 0);
++ jbd2_journal_abort(sbi->s_journal, -ESHUTDOWN);
+ }
+ break;
+ case EXT4_GOING_FLAGS_NOLOGFLUSH:
+ set_bit(EXT4_FLAGS_SHUTDOWN, &sbi->s_ext4_flags);
+- if (sbi->s_journal && !is_journal_aborted(sbi->s_journal)) {
+- msleep(100);
+- jbd2_journal_abort(sbi->s_journal, 0);
+- }
++ if (sbi->s_journal && !is_journal_aborted(sbi->s_journal))
++ jbd2_journal_abort(sbi->s_journal, -ESHUTDOWN);
+ break;
+ default:
+ return -EINVAL;
+diff --git a/fs/ext4/super.c b/fs/ext4/super.c
+index 16d247f056e2..3a605c672649 100644
+--- a/fs/ext4/super.c
++++ b/fs/ext4/super.c
+@@ -2330,6 +2330,8 @@ static int ext4_check_descriptors(struct super_block *sb,
+ ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: "
+ "Block bitmap for group %u overlaps "
+ "superblock", i);
++ if (!sb_rdonly(sb))
++ return 0;
+ }
+ if (block_bitmap < first_block || block_bitmap > last_block) {
+ ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: "
+@@ -2342,6 +2344,8 @@ static int ext4_check_descriptors(struct super_block *sb,
+ ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: "
+ "Inode bitmap for group %u overlaps "
+ "superblock", i);
++ if (!sb_rdonly(sb))
++ return 0;
+ }
+ if (inode_bitmap < first_block || inode_bitmap > last_block) {
+ ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: "
+@@ -2354,6 +2358,8 @@ static int ext4_check_descriptors(struct super_block *sb,
+ ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: "
+ "Inode table for group %u overlaps "
+ "superblock", i);
++ if (!sb_rdonly(sb))
++ return 0;
+ }
+ if (inode_table < first_block ||
+ inode_table + sbi->s_itb_per_group - 1 > last_block) {
+@@ -3490,15 +3496,12 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
+ }
+
+ /* Load the checksum driver */
+- if (ext4_has_feature_metadata_csum(sb) ||
+- ext4_has_feature_ea_inode(sb)) {
+- sbi->s_chksum_driver = crypto_alloc_shash("crc32c", 0, 0);
+- if (IS_ERR(sbi->s_chksum_driver)) {
+- ext4_msg(sb, KERN_ERR, "Cannot load crc32c driver.");
+- ret = PTR_ERR(sbi->s_chksum_driver);
+- sbi->s_chksum_driver = NULL;
+- goto failed_mount;
+- }
++ sbi->s_chksum_driver = crypto_alloc_shash("crc32c", 0, 0);
++ if (IS_ERR(sbi->s_chksum_driver)) {
++ ext4_msg(sb, KERN_ERR, "Cannot load crc32c driver.");
++ ret = PTR_ERR(sbi->s_chksum_driver);
++ sbi->s_chksum_driver = NULL;
++ goto failed_mount;
+ }
+
+ /* Check superblock checksum */
+diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
+index 218a7ba57819..1718354e6322 100644
+--- a/fs/ext4/xattr.c
++++ b/fs/ext4/xattr.c
+@@ -194,10 +194,13 @@ ext4_xattr_check_entries(struct ext4_xattr_entry *entry, void *end,
+
+ /* Check the values */
+ while (!IS_LAST_ENTRY(entry)) {
+- if (entry->e_value_size != 0 &&
+- entry->e_value_inum == 0) {
++ u32 size = le32_to_cpu(entry->e_value_size);
++
++ if (size > EXT4_XATTR_SIZE_MAX)
++ return -EFSCORRUPTED;
++
++ if (size != 0 && entry->e_value_inum == 0) {
+ u16 offs = le16_to_cpu(entry->e_value_offs);
+- u32 size = le32_to_cpu(entry->e_value_size);
+ void *value;
+
+ /*
+@@ -221,25 +224,36 @@ ext4_xattr_check_entries(struct ext4_xattr_entry *entry, void *end,
+ }
+
+ static inline int
+-ext4_xattr_check_block(struct inode *inode, struct buffer_head *bh)
++__ext4_xattr_check_block(struct inode *inode, struct buffer_head *bh,
++ const char *function, unsigned int line)
+ {
+- int error;
++ int error = -EFSCORRUPTED;
+
+ if (buffer_verified(bh))
+ return 0;
+
+ if (BHDR(bh)->h_magic != cpu_to_le32(EXT4_XATTR_MAGIC) ||
+ BHDR(bh)->h_blocks != cpu_to_le32(1))
+- return -EFSCORRUPTED;
++ goto errout;
++ error = -EFSBADCRC;
+ if (!ext4_xattr_block_csum_verify(inode, bh))
+- return -EFSBADCRC;
++ goto errout;
+ error = ext4_xattr_check_entries(BFIRST(bh), bh->b_data + bh->b_size,
+ bh->b_data);
+- if (!error)
++errout:
++ if (error)
++ __ext4_error_inode(inode, function, line, 0,
++ "corrupted xattr block %llu",
++ (unsigned long long) bh->b_blocknr);
++ else
+ set_buffer_verified(bh);
+ return error;
+ }
+
++#define ext4_xattr_check_block(inode, bh) \
++ __ext4_xattr_check_block((inode), (bh), __func__, __LINE__)
++
++
+ static int
+ __xattr_check_inode(struct inode *inode, struct ext4_xattr_ibody_header *header,
+ void *end, const char *function, unsigned int line)
+@@ -261,18 +275,22 @@ __xattr_check_inode(struct inode *inode, struct ext4_xattr_ibody_header *header,
+ __xattr_check_inode((inode), (header), (end), __func__, __LINE__)
+
+ static int
+-ext4_xattr_find_entry(struct ext4_xattr_entry **pentry, int name_index,
+- const char *name, int sorted)
++xattr_find_entry(struct inode *inode, struct ext4_xattr_entry **pentry,
++ void *end, int name_index, const char *name, int sorted)
+ {
+- struct ext4_xattr_entry *entry;
++ struct ext4_xattr_entry *entry, *next;
+ size_t name_len;
+ int cmp = 1;
+
+ if (name == NULL)
+ return -EINVAL;
+ name_len = strlen(name);
+- entry = *pentry;
+- for (; !IS_LAST_ENTRY(entry); entry = EXT4_XATTR_NEXT(entry)) {
++ for (entry = *pentry; !IS_LAST_ENTRY(entry); entry = next) {
++ next = EXT4_XATTR_NEXT(entry);
++ if ((void *) next >= end) {
++ EXT4_ERROR_INODE(inode, "corrupted xattr entries");
++ return -EFSCORRUPTED;
++ }
+ cmp = name_index - entry->e_name_index;
+ if (!cmp)
+ cmp = name_len - entry->e_name_len;
+@@ -494,6 +512,7 @@ ext4_xattr_block_get(struct inode *inode, int name_index, const char *name,
+ struct buffer_head *bh = NULL;
+ struct ext4_xattr_entry *entry;
+ size_t size;
++ void *end;
+ int error;
+ struct mb_cache *ea_block_cache = EA_BLOCK_CACHE(inode);
+
+@@ -510,20 +529,20 @@ ext4_xattr_block_get(struct inode *inode, int name_index, const char *name,
+ goto cleanup;
+ ea_bdebug(bh, "b_count=%d, refcount=%d",
+ atomic_read(&(bh->b_count)), le32_to_cpu(BHDR(bh)->h_refcount));
+- if (ext4_xattr_check_block(inode, bh)) {
+- EXT4_ERROR_INODE(inode, "bad block %llu",
+- EXT4_I(inode)->i_file_acl);
+- error = -EFSCORRUPTED;
++ error = ext4_xattr_check_block(inode, bh);
++ if (error)
+ goto cleanup;
+- }
+ ext4_xattr_block_cache_insert(ea_block_cache, bh);
+ entry = BFIRST(bh);
+- error = ext4_xattr_find_entry(&entry, name_index, name, 1);
++ end = bh->b_data + bh->b_size;
++ error = xattr_find_entry(inode, &entry, end, name_index, name, 1);
+ if (error)
+ goto cleanup;
+ size = le32_to_cpu(entry->e_value_size);
++ error = -ERANGE;
++ if (unlikely(size > EXT4_XATTR_SIZE_MAX))
++ goto cleanup;
+ if (buffer) {
+- error = -ERANGE;
+ if (size > buffer_size)
+ goto cleanup;
+ if (entry->e_value_inum) {
+@@ -532,8 +551,12 @@ ext4_xattr_block_get(struct inode *inode, int name_index, const char *name,
+ if (error)
+ goto cleanup;
+ } else {
+- memcpy(buffer, bh->b_data +
+- le16_to_cpu(entry->e_value_offs), size);
++ u16 offset = le16_to_cpu(entry->e_value_offs);
++ void *p = bh->b_data + offset;
++
++ if (unlikely(p + size > end))
++ goto cleanup;
++ memcpy(buffer, p, size);
+ }
+ }
+ error = size;
+@@ -567,12 +590,14 @@ ext4_xattr_ibody_get(struct inode *inode, int name_index, const char *name,
+ if (error)
+ goto cleanup;
+ entry = IFIRST(header);
+- error = ext4_xattr_find_entry(&entry, name_index, name, 0);
++ error = xattr_find_entry(inode, &entry, end, name_index, name, 0);
+ if (error)
+ goto cleanup;
+ size = le32_to_cpu(entry->e_value_size);
++ error = -ERANGE;
++ if (unlikely(size > EXT4_XATTR_SIZE_MAX))
++ goto cleanup;
+ if (buffer) {
+- error = -ERANGE;
+ if (size > buffer_size)
+ goto cleanup;
+ if (entry->e_value_inum) {
+@@ -581,8 +606,12 @@ ext4_xattr_ibody_get(struct inode *inode, int name_index, const char *name,
+ if (error)
+ goto cleanup;
+ } else {
+- memcpy(buffer, (void *)IFIRST(header) +
+- le16_to_cpu(entry->e_value_offs), size);
++ u16 offset = le16_to_cpu(entry->e_value_offs);
++ void *p = (void *)IFIRST(header) + offset;
++
++ if (unlikely(p + size > end))
++ goto cleanup;
++ memcpy(buffer, p, size);
+ }
+ }
+ error = size;
+@@ -675,12 +704,9 @@ ext4_xattr_block_list(struct dentry *dentry, char *buffer, size_t buffer_size)
+ goto cleanup;
+ ea_bdebug(bh, "b_count=%d, refcount=%d",
+ atomic_read(&(bh->b_count)), le32_to_cpu(BHDR(bh)->h_refcount));
+- if (ext4_xattr_check_block(inode, bh)) {
+- EXT4_ERROR_INODE(inode, "bad block %llu",
+- EXT4_I(inode)->i_file_acl);
+- error = -EFSCORRUPTED;
++ error = ext4_xattr_check_block(inode, bh);
++ if (error)
+ goto cleanup;
+- }
+ ext4_xattr_block_cache_insert(EA_BLOCK_CACHE(inode), bh);
+ error = ext4_xattr_list_entries(dentry, BFIRST(bh), buffer, buffer_size);
+
+@@ -807,10 +833,9 @@ int ext4_get_inode_usage(struct inode *inode, qsize_t *usage)
+ goto out;
+ }
+
+- if (ext4_xattr_check_block(inode, bh)) {
+- ret = -EFSCORRUPTED;
++ ret = ext4_xattr_check_block(inode, bh);
++ if (ret)
+ goto out;
+- }
+
+ for (entry = BFIRST(bh); !IS_LAST_ENTRY(entry);
+ entry = EXT4_XATTR_NEXT(entry))
+@@ -1792,19 +1817,16 @@ ext4_xattr_block_find(struct inode *inode, struct ext4_xattr_info *i,
+ ea_bdebug(bs->bh, "b_count=%d, refcount=%d",
+ atomic_read(&(bs->bh->b_count)),
+ le32_to_cpu(BHDR(bs->bh)->h_refcount));
+- if (ext4_xattr_check_block(inode, bs->bh)) {
+- EXT4_ERROR_INODE(inode, "bad block %llu",
+- EXT4_I(inode)->i_file_acl);
+- error = -EFSCORRUPTED;
++ error = ext4_xattr_check_block(inode, bs->bh);
++ if (error)
+ goto cleanup;
+- }
+ /* Find the named attribute. */
+ bs->s.base = BHDR(bs->bh);
+ bs->s.first = BFIRST(bs->bh);
+ bs->s.end = bs->bh->b_data + bs->bh->b_size;
+ bs->s.here = bs->s.first;
+- error = ext4_xattr_find_entry(&bs->s.here, i->name_index,
+- i->name, 1);
++ error = xattr_find_entry(inode, &bs->s.here, bs->s.end,
++ i->name_index, i->name, 1);
+ if (error && error != -ENODATA)
+ goto cleanup;
+ bs->s.not_found = error;
+@@ -2163,8 +2185,8 @@ int ext4_xattr_ibody_find(struct inode *inode, struct ext4_xattr_info *i,
+ if (error)
+ return error;
+ /* Find the named attribute. */
+- error = ext4_xattr_find_entry(&is->s.here, i->name_index,
+- i->name, 0);
++ error = xattr_find_entry(inode, &is->s.here, is->s.end,
++ i->name_index, i->name, 0);
+ if (error && error != -ENODATA)
+ return error;
+ is->s.not_found = error;
+@@ -2720,13 +2742,9 @@ int ext4_expand_extra_isize_ea(struct inode *inode, int new_extra_isize,
+ error = -EIO;
+ if (!bh)
+ goto cleanup;
+- if (ext4_xattr_check_block(inode, bh)) {
+- EXT4_ERROR_INODE(inode, "bad block %llu",
+- EXT4_I(inode)->i_file_acl);
+- error = -EFSCORRUPTED;
+- brelse(bh);
++ error = ext4_xattr_check_block(inode, bh);
++ if (error)
+ goto cleanup;
+- }
+ base = BHDR(bh);
+ end = bh->b_data + bh->b_size;
+ min_offs = end - base;
+@@ -2883,11 +2901,8 @@ int ext4_xattr_delete_inode(handle_t *handle, struct inode *inode,
+ goto cleanup;
+ }
+ error = ext4_xattr_check_block(inode, bh);
+- if (error) {
+- EXT4_ERROR_INODE(inode, "bad block %llu (error %d)",
+- EXT4_I(inode)->i_file_acl, error);
++ if (error)
+ goto cleanup;
+- }
+
+ if (ext4_has_feature_ea_inode(inode->i_sb)) {
+ for (entry = BFIRST(bh); !IS_LAST_ENTRY(entry);
+diff --git a/fs/ext4/xattr.h b/fs/ext4/xattr.h
+index f8cc07588ac9..262b9314119f 100644
+--- a/fs/ext4/xattr.h
++++ b/fs/ext4/xattr.h
+@@ -70,6 +70,17 @@ struct ext4_xattr_entry {
+ EXT4_I(inode)->i_extra_isize))
+ #define IFIRST(hdr) ((struct ext4_xattr_entry *)((hdr)+1))
+
++/*
++ * XATTR_SIZE_MAX is currently 64k, but for the purposes of checking
++ * for file system consistency errors, we use a somewhat bigger value.
++ * This allows XATTR_SIZE_MAX to grow in the future, but by using this
++ * instead of INT_MAX for certain consistency checks, we don't need to
++ * worry about arithmetic overflows. (Actually XATTR_SIZE_MAX is
++ * defined in include/uapi/linux/limits.h, so changing it is going
++ * not going to be trivial....)
++ */
++#define EXT4_XATTR_SIZE_MAX (1 << 24)
++
+ /*
+ * The minimum size of EA value when you start storing it in an external inode
+ * size of block - size of header - size of 1 entry - 4 null bytes
+diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
+index 245c430a2e41..8a7ef9378bf6 100644
+--- a/fs/fs-writeback.c
++++ b/fs/fs-writeback.c
+@@ -745,11 +745,12 @@ int inode_congested(struct inode *inode, int cong_bits)
+ */
+ if (inode && inode_to_wb_is_valid(inode)) {
+ struct bdi_writeback *wb;
+- bool locked, congested;
++ struct wb_lock_cookie lock_cookie = {};
++ bool congested;
+
+- wb = unlocked_inode_to_wb_begin(inode, &locked);
++ wb = unlocked_inode_to_wb_begin(inode, &lock_cookie);
+ congested = wb_congested(wb, cong_bits);
+- unlocked_inode_to_wb_end(inode, locked);
++ unlocked_inode_to_wb_end(inode, &lock_cookie);
+ return congested;
+ }
+
+diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
+index 7d5ef3bf3f3e..61d48f0c41a1 100644
+--- a/fs/jbd2/journal.c
++++ b/fs/jbd2/journal.c
+@@ -961,7 +961,7 @@ int __jbd2_update_log_tail(journal_t *journal, tid_t tid, unsigned long block)
+ }
+
+ /*
+- * This is a variaon of __jbd2_update_log_tail which checks for validity of
++ * This is a variation of __jbd2_update_log_tail which checks for validity of
+ * provided log tail and locks j_checkpoint_mutex. So it is safe against races
+ * with other threads updating log tail.
+ */
+@@ -1404,6 +1404,9 @@ int jbd2_journal_update_sb_log_tail(journal_t *journal, tid_t tail_tid,
+ journal_superblock_t *sb = journal->j_superblock;
+ int ret;
+
++ if (is_journal_aborted(journal))
++ return -EIO;
++
+ BUG_ON(!mutex_is_locked(&journal->j_checkpoint_mutex));
+ jbd_debug(1, "JBD2: updating superblock (start %lu, seq %u)\n",
+ tail_block, tail_tid);
+@@ -1470,12 +1473,15 @@ static void jbd2_mark_journal_empty(journal_t *journal, int write_op)
+ void jbd2_journal_update_sb_errno(journal_t *journal)
+ {
+ journal_superblock_t *sb = journal->j_superblock;
++ int errcode;
+
+ read_lock(&journal->j_state_lock);
+- jbd_debug(1, "JBD2: updating superblock error (errno %d)\n",
+- journal->j_errno);
+- sb->s_errno = cpu_to_be32(journal->j_errno);
++ errcode = journal->j_errno;
+ read_unlock(&journal->j_state_lock);
++ if (errcode == -ESHUTDOWN)
++ errcode = 0;
++ jbd_debug(1, "JBD2: updating superblock error (errno %d)\n", errcode);
++ sb->s_errno = cpu_to_be32(errcode);
+
+ jbd2_write_superblock(journal, REQ_SYNC | REQ_FUA);
+ }
+@@ -2092,12 +2098,22 @@ void __jbd2_journal_abort_hard(journal_t *journal)
+ * but don't do any other IO. */
+ static void __journal_abort_soft (journal_t *journal, int errno)
+ {
+- if (journal->j_flags & JBD2_ABORT)
+- return;
++ int old_errno;
+
+- if (!journal->j_errno)
++ write_lock(&journal->j_state_lock);
++ old_errno = journal->j_errno;
++ if (!journal->j_errno || errno == -ESHUTDOWN)
+ journal->j_errno = errno;
+
++ if (journal->j_flags & JBD2_ABORT) {
++ write_unlock(&journal->j_state_lock);
++ if (!old_errno && old_errno != -ESHUTDOWN &&
++ errno == -ESHUTDOWN)
++ jbd2_journal_update_sb_errno(journal);
++ return;
++ }
++ write_unlock(&journal->j_state_lock);
++
+ __jbd2_journal_abort_hard(journal);
+
+ if (errno) {
+diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c
+index 153f1c6eb169..33e01de576d2 100644
+--- a/fs/jffs2/super.c
++++ b/fs/jffs2/super.c
+@@ -342,7 +342,7 @@ static void jffs2_put_super (struct super_block *sb)
+ static void jffs2_kill_sb(struct super_block *sb)
+ {
+ struct jffs2_sb_info *c = JFFS2_SB_INFO(sb);
+- if (!sb_rdonly(sb))
++ if (c && !sb_rdonly(sb))
+ jffs2_stop_garbage_collect_thread(c);
+ kill_mtd_super(sb);
+ kfree(c);
+diff --git a/fs/namespace.c b/fs/namespace.c
+index adae9ffce91d..62b17aff1908 100644
+--- a/fs/namespace.c
++++ b/fs/namespace.c
+@@ -1089,7 +1089,8 @@ static struct mount *clone_mnt(struct mount *old, struct dentry *root,
+ goto out_free;
+ }
+
+- mnt->mnt.mnt_flags = old->mnt.mnt_flags & ~(MNT_WRITE_HOLD|MNT_MARKED);
++ mnt->mnt.mnt_flags = old->mnt.mnt_flags;
++ mnt->mnt.mnt_flags &= ~(MNT_WRITE_HOLD|MNT_MARKED|MNT_INTERNAL);
+ /* Don't allow unprivileged users to change mount flags */
+ if (flag & CL_UNPRIVILEGED) {
+ mnt->mnt.mnt_flags |= MNT_LOCK_ATIME;
+diff --git a/fs/notify/fanotify/fanotify.c b/fs/notify/fanotify/fanotify.c
+index 3c7053207297..bd520450c37a 100644
+--- a/fs/notify/fanotify/fanotify.c
++++ b/fs/notify/fanotify/fanotify.c
+@@ -90,7 +90,7 @@ static bool fanotify_should_send_event(struct fsnotify_mark *inode_mark,
+ u32 event_mask,
+ const void *data, int data_type)
+ {
+- __u32 marks_mask, marks_ignored_mask;
++ __u32 marks_mask = 0, marks_ignored_mask = 0;
+ const struct path *path = data;
+
+ pr_debug("%s: inode_mark=%p vfsmnt_mark=%p mask=%x data=%p"
+@@ -106,24 +106,20 @@ static bool fanotify_should_send_event(struct fsnotify_mark *inode_mark,
+ !d_can_lookup(path->dentry))
+ return false;
+
+- if (inode_mark && vfsmnt_mark) {
+- marks_mask = (vfsmnt_mark->mask | inode_mark->mask);
+- marks_ignored_mask = (vfsmnt_mark->ignored_mask | inode_mark->ignored_mask);
+- } else if (inode_mark) {
+- /*
+- * if the event is for a child and this inode doesn't care about
+- * events on the child, don't send it!
+- */
+- if ((event_mask & FS_EVENT_ON_CHILD) &&
+- !(inode_mark->mask & FS_EVENT_ON_CHILD))
+- return false;
+- marks_mask = inode_mark->mask;
+- marks_ignored_mask = inode_mark->ignored_mask;
+- } else if (vfsmnt_mark) {
+- marks_mask = vfsmnt_mark->mask;
+- marks_ignored_mask = vfsmnt_mark->ignored_mask;
+- } else {
+- BUG();
++ /*
++ * if the event is for a child and this inode doesn't care about
++ * events on the child, don't send it!
++ */
++ if (inode_mark &&
++ (!(event_mask & FS_EVENT_ON_CHILD) ||
++ (inode_mark->mask & FS_EVENT_ON_CHILD))) {
++ marks_mask |= inode_mark->mask;
++ marks_ignored_mask |= inode_mark->ignored_mask;
++ }
++
++ if (vfsmnt_mark) {
++ marks_mask |= vfsmnt_mark->mask;
++ marks_ignored_mask |= vfsmnt_mark->ignored_mask;
+ }
+
+ if (d_is_dir(path->dentry) &&
+diff --git a/fs/orangefs/super.c b/fs/orangefs/super.c
+index 47ebd9bfd1a1..1997ce49ab46 100644
+--- a/fs/orangefs/super.c
++++ b/fs/orangefs/super.c
+@@ -594,6 +594,11 @@ void orangefs_kill_sb(struct super_block *sb)
+ /* provided sb cleanup */
+ kill_anon_super(sb);
+
++ if (!ORANGEFS_SB(sb)) {
++ mutex_lock(&orangefs_request_mutex);
++ mutex_unlock(&orangefs_request_mutex);
++ return;
++ }
+ /*
+ * issue the unmount to userspace to tell it to remove the
+ * dynamic mount info it has for this superblock
+diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
+index 69ff280bdfe8..2be907231375 100644
+--- a/fs/reiserfs/journal.c
++++ b/fs/reiserfs/journal.c
+@@ -2643,7 +2643,7 @@ static int journal_init_dev(struct super_block *super,
+ if (IS_ERR(journal->j_dev_bd)) {
+ result = PTR_ERR(journal->j_dev_bd);
+ journal->j_dev_bd = NULL;
+- reiserfs_warning(super,
++ reiserfs_warning(super, "sh-457",
+ "journal_init_dev: Cannot open '%s': %i",
+ jdev_name, result);
+ return result;
+diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
+index 5496b17b959c..e1cd3dcf5a03 100644
+--- a/fs/ubifs/super.c
++++ b/fs/ubifs/super.c
+@@ -1739,8 +1739,11 @@ static void ubifs_remount_ro(struct ubifs_info *c)
+
+ dbg_save_space_info(c);
+
+- for (i = 0; i < c->jhead_cnt; i++)
+- ubifs_wbuf_sync(&c->jheads[i].wbuf);
++ for (i = 0; i < c->jhead_cnt; i++) {
++ err = ubifs_wbuf_sync(&c->jheads[i].wbuf);
++ if (err)
++ ubifs_ro_mode(c, err);
++ }
+
+ c->mst_node->flags &= ~cpu_to_le32(UBIFS_MST_DIRTY);
+ c->mst_node->flags |= cpu_to_le32(UBIFS_MST_NO_ORPHS);
+@@ -1806,8 +1809,11 @@ static void ubifs_put_super(struct super_block *sb)
+ int err;
+
+ /* Synchronize write-buffers */
+- for (i = 0; i < c->jhead_cnt; i++)
+- ubifs_wbuf_sync(&c->jheads[i].wbuf);
++ for (i = 0; i < c->jhead_cnt; i++) {
++ err = ubifs_wbuf_sync(&c->jheads[i].wbuf);
++ if (err)
++ ubifs_ro_mode(c, err);
++ }
+
+ /*
+ * We are being cleanly unmounted which means the
+diff --git a/fs/udf/unicode.c b/fs/udf/unicode.c
+index 695389a4fc23..3a3be23689b3 100644
+--- a/fs/udf/unicode.c
++++ b/fs/udf/unicode.c
+@@ -28,6 +28,9 @@
+
+ #include "udf_sb.h"
+
++#define SURROGATE_MASK 0xfffff800
++#define SURROGATE_PAIR 0x0000d800
++
+ static int udf_uni2char_utf8(wchar_t uni,
+ unsigned char *out,
+ int boundlen)
+@@ -37,6 +40,9 @@ static int udf_uni2char_utf8(wchar_t uni,
+ if (boundlen <= 0)
+ return -ENAMETOOLONG;
+
++ if ((uni & SURROGATE_MASK) == SURROGATE_PAIR)
++ return -EINVAL;
++
+ if (uni < 0x80) {
+ out[u_len++] = (unsigned char)uni;
+ } else if (uni < 0x800) {
+diff --git a/include/dt-bindings/clock/mt2701-clk.h b/include/dt-bindings/clock/mt2701-clk.h
+index 551f7600ab58..24e93dfcee9f 100644
+--- a/include/dt-bindings/clock/mt2701-clk.h
++++ b/include/dt-bindings/clock/mt2701-clk.h
+@@ -176,7 +176,8 @@
+ #define CLK_TOP_AUD_EXT1 156
+ #define CLK_TOP_AUD_EXT2 157
+ #define CLK_TOP_NFI1X_PAD 158
+-#define CLK_TOP_NR 159
++#define CLK_TOP_AXISEL_D4 159
++#define CLK_TOP_NR 160
+
+ /* APMIXEDSYS */
+
+diff --git a/include/linux/backing-dev-defs.h b/include/linux/backing-dev-defs.h
+index fff4cfa0c21d..eac387a3bfef 100644
+--- a/include/linux/backing-dev-defs.h
++++ b/include/linux/backing-dev-defs.h
+@@ -199,6 +199,11 @@ static inline void set_bdi_congested(struct backing_dev_info *bdi, int sync)
+ set_wb_congested(bdi->wb.congested, sync);
+ }
+
++struct wb_lock_cookie {
++ bool locked;
++ unsigned long flags;
++};
++
+ #ifdef CONFIG_CGROUP_WRITEBACK
+
+ /**
+diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
+index 16621579a3db..012adec97543 100644
+--- a/include/linux/backing-dev.h
++++ b/include/linux/backing-dev.h
+@@ -342,7 +342,7 @@ static inline struct bdi_writeback *inode_to_wb(struct inode *inode)
+ /**
+ * unlocked_inode_to_wb_begin - begin unlocked inode wb access transaction
+ * @inode: target inode
+- * @lockedp: temp bool output param, to be passed to the end function
++ * @cookie: output param, to be passed to the end function
+ *
+ * The caller wants to access the wb associated with @inode but isn't
+ * holding inode->i_lock, mapping->tree_lock or wb->list_lock. This
+@@ -350,12 +350,12 @@ static inline struct bdi_writeback *inode_to_wb(struct inode *inode)
+ * association doesn't change until the transaction is finished with
+ * unlocked_inode_to_wb_end().
+ *
+- * The caller must call unlocked_inode_to_wb_end() with *@lockdep
+- * afterwards and can't sleep during transaction. IRQ may or may not be
+- * disabled on return.
++ * The caller must call unlocked_inode_to_wb_end() with *@cookie afterwards and
++ * can't sleep during the transaction. IRQs may or may not be disabled on
++ * return.
+ */
+ static inline struct bdi_writeback *
+-unlocked_inode_to_wb_begin(struct inode *inode, bool *lockedp)
++unlocked_inode_to_wb_begin(struct inode *inode, struct wb_lock_cookie *cookie)
+ {
+ rcu_read_lock();
+
+@@ -363,10 +363,10 @@ unlocked_inode_to_wb_begin(struct inode *inode, bool *lockedp)
+ * Paired with store_release in inode_switch_wb_work_fn() and
+ * ensures that we see the new wb if we see cleared I_WB_SWITCH.
+ */
+- *lockedp = smp_load_acquire(&inode->i_state) & I_WB_SWITCH;
++ cookie->locked = smp_load_acquire(&inode->i_state) & I_WB_SWITCH;
+
+- if (unlikely(*lockedp))
+- spin_lock_irq(&inode->i_mapping->tree_lock);
++ if (unlikely(cookie->locked))
++ spin_lock_irqsave(&inode->i_mapping->tree_lock, cookie->flags);
+
+ /*
+ * Protected by either !I_WB_SWITCH + rcu_read_lock() or tree_lock.
+@@ -378,12 +378,13 @@ unlocked_inode_to_wb_begin(struct inode *inode, bool *lockedp)
+ /**
+ * unlocked_inode_to_wb_end - end inode wb access transaction
+ * @inode: target inode
+- * @locked: *@lockedp from unlocked_inode_to_wb_begin()
++ * @cookie: @cookie from unlocked_inode_to_wb_begin()
+ */
+-static inline void unlocked_inode_to_wb_end(struct inode *inode, bool locked)
++static inline void unlocked_inode_to_wb_end(struct inode *inode,
++ struct wb_lock_cookie *cookie)
+ {
+- if (unlikely(locked))
+- spin_unlock_irq(&inode->i_mapping->tree_lock);
++ if (unlikely(cookie->locked))
++ spin_unlock_irqrestore(&inode->i_mapping->tree_lock, cookie->flags);
+
+ rcu_read_unlock();
+ }
+@@ -430,12 +431,13 @@ static inline struct bdi_writeback *inode_to_wb(struct inode *inode)
+ }
+
+ static inline struct bdi_writeback *
+-unlocked_inode_to_wb_begin(struct inode *inode, bool *lockedp)
++unlocked_inode_to_wb_begin(struct inode *inode, struct wb_lock_cookie *cookie)
+ {
+ return inode_to_wb(inode);
+ }
+
+-static inline void unlocked_inode_to_wb_end(struct inode *inode, bool locked)
++static inline void unlocked_inode_to_wb_end(struct inode *inode,
++ struct wb_lock_cookie *cookie)
+ {
+ }
+
+diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
+index 1c8a8a2aedf7..91072b68dc38 100644
+--- a/include/linux/blk_types.h
++++ b/include/linux/blk_types.h
+@@ -20,8 +20,13 @@ typedef void (bio_end_io_t) (struct bio *);
+
+ /*
+ * Block error status values. See block/blk-core:blk_errors for the details.
++ * Alpha cannot write a byte atomically, so we need to use 32-bit value.
+ */
++#if defined(CONFIG_ALPHA) && !defined(__alpha_bwx__)
++typedef u32 __bitwise blk_status_t;
++#else
+ typedef u8 __bitwise blk_status_t;
++#endif
+ #define BLK_STS_OK 0
+ #define BLK_STS_NOTSUPP ((__force blk_status_t)1)
+ #define BLK_STS_TIMEOUT ((__force blk_status_t)2)
+diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h
+index be3aef6839f6..070f85d92c15 100644
+--- a/include/linux/compiler-clang.h
++++ b/include/linux/compiler-clang.h
+@@ -17,9 +17,6 @@
+ */
+ #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
+
+-#define randomized_struct_fields_start struct {
+-#define randomized_struct_fields_end };
+-
+ /* Clang doesn't have a way to turn it off per-function, yet. */
+ #ifdef __noretpoline
+ #undef __noretpoline
+diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
+index a1ffbf25873f..b78b31af36f8 100644
+--- a/include/linux/compiler-gcc.h
++++ b/include/linux/compiler-gcc.h
+@@ -229,6 +229,9 @@
+ #ifdef RANDSTRUCT_PLUGIN
+ #define __randomize_layout __attribute__((randomize_layout))
+ #define __no_randomize_layout __attribute__((no_randomize_layout))
++/* This anon struct can add padding, so only enable it under randstruct. */
++#define randomized_struct_fields_start struct {
++#define randomized_struct_fields_end } __randomize_layout;
+ #endif
+
+ #endif /* GCC_VERSION >= 40500 */
+@@ -243,15 +246,6 @@
+ */
+ #define __visible __attribute__((externally_visible))
+
+-/*
+- * RANDSTRUCT_PLUGIN wants to use an anonymous struct, but it is only
+- * possible since GCC 4.6. To provide as much build testing coverage
+- * as possible, this is used for all GCC 4.6+ builds, and not just on
+- * RANDSTRUCT_PLUGIN builds.
+- */
+-#define randomized_struct_fields_start struct {
+-#define randomized_struct_fields_end } __randomize_layout;
+-
+ #endif /* GCC_VERSION >= 40600 */
+
+
+diff --git a/include/linux/hid.h b/include/linux/hid.h
+index ab05a86269dc..06e6e04e6c11 100644
+--- a/include/linux/hid.h
++++ b/include/linux/hid.h
+@@ -512,6 +512,12 @@ enum hid_type {
+ HID_TYPE_USBNONE
+ };
+
++enum hid_battery_status {
++ HID_BATTERY_UNKNOWN = 0,
++ HID_BATTERY_QUERIED, /* Kernel explicitly queried battery strength */
++ HID_BATTERY_REPORTED, /* Device sent unsolicited battery strength report */
++};
++
+ struct hid_driver;
+ struct hid_ll_driver;
+
+@@ -554,7 +560,8 @@ struct hid_device { /* device report descriptor */
+ __s32 battery_max;
+ __s32 battery_report_type;
+ __s32 battery_report_id;
+- bool battery_reported;
++ enum hid_battery_status battery_status;
++ bool battery_avoid_query;
+ #endif
+
+ unsigned int status; /* see STAT flags above */
+@@ -839,7 +846,7 @@ extern int hidinput_connect(struct hid_device *hid, unsigned int force);
+ extern void hidinput_disconnect(struct hid_device *);
+
+ int hid_set_field(struct hid_field *, unsigned, __s32);
+-int hid_input_report(struct hid_device *, int type, u8 *, int, int);
++int hid_input_report(struct hid_device *, int type, u8 *, u32, int);
+ int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field);
+ struct hid_field *hidinput_get_led_field(struct hid_device *hid);
+ unsigned int hidinput_count_leds(struct hid_device *hid);
+@@ -1086,13 +1093,13 @@ static inline void hid_hw_wait(struct hid_device *hdev)
+ *
+ * @report: the report we want to know the length
+ */
+-static inline int hid_report_len(struct hid_report *report)
++static inline u32 hid_report_len(struct hid_report *report)
+ {
+ /* equivalent to DIV_ROUND_UP(report->size, 8) + !!(report->id > 0) */
+ return ((report->size - 1) >> 3) + 1 + (report->id > 0);
+ }
+
+-int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
++int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, u32 size,
+ int interrupt);
+
+ /* HID quirks API */
+diff --git a/include/linux/hmm.h b/include/linux/hmm.h
+index 96e69979f84d..8198faf16ed6 100644
+--- a/include/linux/hmm.h
++++ b/include/linux/hmm.h
+@@ -498,23 +498,16 @@ struct hmm_device {
+ struct hmm_device *hmm_device_new(void *drvdata);
+ void hmm_device_put(struct hmm_device *hmm_device);
+ #endif /* CONFIG_DEVICE_PRIVATE || CONFIG_DEVICE_PUBLIC */
+-#endif /* IS_ENABLED(CONFIG_HMM) */
+
+ /* Below are for HMM internal use only! Not to be used by device driver! */
+-#if IS_ENABLED(CONFIG_HMM_MIRROR)
+ void hmm_mm_destroy(struct mm_struct *mm);
+
+ static inline void hmm_mm_init(struct mm_struct *mm)
+ {
+ mm->hmm = NULL;
+ }
+-#else /* IS_ENABLED(CONFIG_HMM_MIRROR) */
+-static inline void hmm_mm_destroy(struct mm_struct *mm) {}
+-static inline void hmm_mm_init(struct mm_struct *mm) {}
+-#endif /* IS_ENABLED(CONFIG_HMM_MIRROR) */
+-
+-
+ #else /* IS_ENABLED(CONFIG_HMM) */
+ static inline void hmm_mm_destroy(struct mm_struct *mm) {}
+ static inline void hmm_mm_init(struct mm_struct *mm) {}
++#endif /* IS_ENABLED(CONFIG_HMM) */
+ #endif /* LINUX_HMM_H */
+diff --git a/include/linux/tty.h b/include/linux/tty.h
+index 0a6c71e0ad01..47f8af22f216 100644
+--- a/include/linux/tty.h
++++ b/include/linux/tty.h
+@@ -364,6 +364,7 @@ struct tty_file_private {
+ #define TTY_PTY_LOCK 16 /* pty private */
+ #define TTY_NO_WRITE_SPLIT 17 /* Preserve write boundaries to driver */
+ #define TTY_HUPPED 18 /* Post driver->hangup() */
++#define TTY_HUPPING 19 /* Hangup in progress */
+ #define TTY_LDISC_HALTED 22 /* Line discipline is halted */
+
+ /* Values for tty->flow_change */
+diff --git a/include/sound/pcm_oss.h b/include/sound/pcm_oss.h
+index 760c969d885d..12bbf8c81112 100644
+--- a/include/sound/pcm_oss.h
++++ b/include/sound/pcm_oss.h
+@@ -57,6 +57,7 @@ struct snd_pcm_oss_runtime {
+ char *buffer; /* vmallocated period */
+ size_t buffer_used; /* used length from period buffer */
+ struct mutex params_lock;
++ atomic_t rw_ref; /* concurrent read/write accesses */
+ #ifdef CONFIG_SND_PCM_OSS_PLUGINS
+ struct snd_pcm_plugin *plugin_first;
+ struct snd_pcm_plugin *plugin_last;
+diff --git a/include/uapi/linux/random.h b/include/uapi/linux/random.h
+index c34f4490d025..26ee91300e3e 100644
+--- a/include/uapi/linux/random.h
++++ b/include/uapi/linux/random.h
+@@ -35,6 +35,9 @@
+ /* Clear the entropy pool and associated counters. (Superuser only.) */
+ #define RNDCLEARPOOL _IO( 'R', 0x06 )
+
++/* Reseed CRNG. (Superuser only.) */
++#define RNDRESEEDCRNG _IO( 'R', 0x07 )
++
+ struct rand_pool_info {
+ int entropy_count;
+ int buf_size;
+diff --git a/ipc/shm.c b/ipc/shm.c
+index b469e910f887..a9cce632ed48 100644
+--- a/ipc/shm.c
++++ b/ipc/shm.c
+@@ -203,6 +203,12 @@ static int __shm_open(struct vm_area_struct *vma)
+ if (IS_ERR(shp))
+ return PTR_ERR(shp);
+
++ if (shp->shm_file != sfd->file) {
++ /* ID was reused */
++ shm_unlock(shp);
++ return -EINVAL;
++ }
++
+ shp->shm_atim = ktime_get_real_seconds();
+ shp->shm_lprid = task_tgid_vnr(current);
+ shp->shm_nattch++;
+@@ -431,8 +437,9 @@ static int shm_mmap(struct file *file, struct vm_area_struct *vma)
+ int ret;
+
+ /*
+- * In case of remap_file_pages() emulation, the file can represent
+- * removed IPC ID: propogate shm_lock() error to caller.
++ * In case of remap_file_pages() emulation, the file can represent an
++ * IPC ID that was removed, and possibly even reused by another shm
++ * segment already. Propagate this case as an error to caller.
+ */
+ ret = __shm_open(vma);
+ if (ret)
+@@ -456,6 +463,7 @@ static int shm_release(struct inode *ino, struct file *file)
+ struct shm_file_data *sfd = shm_file_data(file);
+
+ put_ipc_ns(sfd->ns);
++ fput(sfd->file);
+ shm_file_data(file) = NULL;
+ kfree(sfd);
+ return 0;
+@@ -1391,7 +1399,16 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg,
+ file->f_mapping = shp->shm_file->f_mapping;
+ sfd->id = shp->shm_perm.id;
+ sfd->ns = get_ipc_ns(ns);
+- sfd->file = shp->shm_file;
++ /*
++ * We need to take a reference to the real shm file to prevent the
++ * pointer from becoming stale in cases where the lifetime of the outer
++ * file extends beyond that of the shm segment. It's not usually
++ * possible, but it can happen during remap_file_pages() emulation as
++ * that unmaps the memory, then does ->mmap() via file reference only.
++ * We'll deny the ->mmap() if the shm segment was since removed, but to
++ * detect shm ID reuse we need to compare the file pointers.
++ */
++ sfd->file = get_file(shp->shm_file);
+ sfd->vm_ops = NULL;
+
+ err = security_mmap_file(file, prot, flags);
+diff --git a/kernel/resource.c b/kernel/resource.c
+index 9b5f04404152..7ee3dd1ad2af 100644
+--- a/kernel/resource.c
++++ b/kernel/resource.c
+@@ -633,7 +633,8 @@ static int __find_resource(struct resource *root, struct resource *old,
+ alloc.start = constraint->alignf(constraint->alignf_data, &avail,
+ size, constraint->align);
+ alloc.end = alloc.start + size - 1;
+- if (resource_contains(&avail, &alloc)) {
++ if (alloc.start <= alloc.end &&
++ resource_contains(&avail, &alloc)) {
+ new->start = alloc.start;
+ new->end = alloc.end;
+ return 0;
+diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
+index 39c221454186..36f018b15392 100644
+--- a/kernel/trace/ring_buffer.c
++++ b/kernel/trace/ring_buffer.c
+@@ -1136,6 +1136,11 @@ static int __rb_allocate_pages(long nr_pages, struct list_head *pages, int cpu)
+ struct buffer_page *bpage, *tmp;
+ long i;
+
++ /* Check if the available memory is there first */
++ i = si_mem_available();
++ if (i < nr_pages)
++ return -ENOMEM;
++
+ for (i = 0; i < nr_pages; i++) {
+ struct page *page;
+ /*
+diff --git a/mm/filemap.c b/mm/filemap.c
+index 594d73fef8b4..e2e738cc08b1 100644
+--- a/mm/filemap.c
++++ b/mm/filemap.c
+@@ -688,7 +688,7 @@ int replace_page_cache_page(struct page *old, struct page *new, gfp_t gfp_mask)
+ VM_BUG_ON_PAGE(!PageLocked(new), new);
+ VM_BUG_ON_PAGE(new->mapping, new);
+
+- error = radix_tree_preload(gfp_mask & ~__GFP_HIGHMEM);
++ error = radix_tree_preload(gfp_mask & GFP_RECLAIM_MASK);
+ if (!error) {
+ struct address_space *mapping = old->mapping;
+ void (*freepage)(struct page *);
+@@ -744,7 +744,7 @@ static int __add_to_page_cache_locked(struct page *page,
+ return error;
+ }
+
+- error = radix_tree_maybe_preload(gfp_mask & ~__GFP_HIGHMEM);
++ error = radix_tree_maybe_preload(gfp_mask & GFP_RECLAIM_MASK);
+ if (error) {
+ if (!huge)
+ mem_cgroup_cancel_charge(page, memcg, false);
+@@ -1486,8 +1486,7 @@ struct page *pagecache_get_page(struct address_space *mapping, pgoff_t offset,
+ if (fgp_flags & FGP_ACCESSED)
+ __SetPageReferenced(page);
+
+- err = add_to_page_cache_lru(page, mapping, offset,
+- gfp_mask & GFP_RECLAIM_MASK);
++ err = add_to_page_cache_lru(page, mapping, offset, gfp_mask);
+ if (unlikely(err)) {
+ put_page(page);
+ page = NULL;
+@@ -2275,7 +2274,7 @@ static int page_cache_read(struct file *file, pgoff_t offset, gfp_t gfp_mask)
+ if (!page)
+ return -ENOMEM;
+
+- ret = add_to_page_cache_lru(page, mapping, offset, gfp_mask & GFP_KERNEL);
++ ret = add_to_page_cache_lru(page, mapping, offset, gfp_mask);
+ if (ret == 0)
+ ret = mapping->a_ops->readpage(file, page);
+ else if (ret == -EEXIST)
+diff --git a/mm/hmm.c b/mm/hmm.c
+index a88a847bccba..81ff1dbbf8a8 100644
+--- a/mm/hmm.c
++++ b/mm/hmm.c
+@@ -277,7 +277,8 @@ static int hmm_pfns_bad(unsigned long addr,
+ unsigned long end,
+ struct mm_walk *walk)
+ {
+- struct hmm_range *range = walk->private;
++ struct hmm_vma_walk *hmm_vma_walk = walk->private;
++ struct hmm_range *range = hmm_vma_walk->range;
+ hmm_pfn_t *pfns = range->pfns;
+ unsigned long i;
+
+diff --git a/mm/ksm.c b/mm/ksm.c
+index 6cb60f46cce5..5b6be9eeb095 100644
+--- a/mm/ksm.c
++++ b/mm/ksm.c
+@@ -1133,6 +1133,13 @@ static int replace_page(struct vm_area_struct *vma, struct page *page,
+ } else {
+ newpte = pte_mkspecial(pfn_pte(page_to_pfn(kpage),
+ vma->vm_page_prot));
++ /*
++ * We're replacing an anonymous page with a zero page, which is
++ * not anonymous. We need to do proper accounting otherwise we
++ * will get wrong values in /proc, and a BUG message in dmesg
++ * when tearing down the mm.
++ */
++ dec_mm_counter(mm, MM_ANONPAGES);
+ }
+
+ flush_cache_page(vma, addr, pte_pfn(*ptep));
+diff --git a/mm/page-writeback.c b/mm/page-writeback.c
+index 0b9c5cbe8eba..3175ac850a53 100644
+--- a/mm/page-writeback.c
++++ b/mm/page-writeback.c
+@@ -2518,13 +2518,13 @@ void account_page_redirty(struct page *page)
+ if (mapping && mapping_cap_account_dirty(mapping)) {
+ struct inode *inode = mapping->host;
+ struct bdi_writeback *wb;
+- bool locked;
++ struct wb_lock_cookie cookie = {};
+
+- wb = unlocked_inode_to_wb_begin(inode, &locked);
++ wb = unlocked_inode_to_wb_begin(inode, &cookie);
+ current->nr_dirtied--;
+ dec_node_page_state(page, NR_DIRTIED);
+ dec_wb_stat(wb, WB_DIRTIED);
+- unlocked_inode_to_wb_end(inode, locked);
++ unlocked_inode_to_wb_end(inode, &cookie);
+ }
+ }
+ EXPORT_SYMBOL(account_page_redirty);
+@@ -2630,15 +2630,15 @@ void cancel_dirty_page(struct page *page)
+ if (mapping_cap_account_dirty(mapping)) {
+ struct inode *inode = mapping->host;
+ struct bdi_writeback *wb;
+- bool locked;
++ struct wb_lock_cookie cookie = {};
+
+ lock_page_memcg(page);
+- wb = unlocked_inode_to_wb_begin(inode, &locked);
++ wb = unlocked_inode_to_wb_begin(inode, &cookie);
+
+ if (TestClearPageDirty(page))
+ account_page_cleaned(page, mapping, wb);
+
+- unlocked_inode_to_wb_end(inode, locked);
++ unlocked_inode_to_wb_end(inode, &cookie);
+ unlock_page_memcg(page);
+ } else {
+ ClearPageDirty(page);
+@@ -2670,7 +2670,7 @@ int clear_page_dirty_for_io(struct page *page)
+ if (mapping && mapping_cap_account_dirty(mapping)) {
+ struct inode *inode = mapping->host;
+ struct bdi_writeback *wb;
+- bool locked;
++ struct wb_lock_cookie cookie = {};
+
+ /*
+ * Yes, Virginia, this is indeed insane.
+@@ -2707,14 +2707,14 @@ int clear_page_dirty_for_io(struct page *page)
+ * always locked coming in here, so we get the desired
+ * exclusion.
+ */
+- wb = unlocked_inode_to_wb_begin(inode, &locked);
++ wb = unlocked_inode_to_wb_begin(inode, &cookie);
+ if (TestClearPageDirty(page)) {
+ dec_lruvec_page_state(page, NR_FILE_DIRTY);
+ dec_zone_page_state(page, NR_ZONE_WRITE_PENDING);
+ dec_wb_stat(wb, WB_RECLAIMABLE);
+ ret = 1;
+ }
+- unlocked_inode_to_wb_end(inode, locked);
++ unlocked_inode_to_wb_end(inode, &cookie);
+ return ret;
+ }
+ return TestClearPageDirty(page);
+diff --git a/mm/slab.c b/mm/slab.c
+index 966839a1ac2c..1bfc3d847a0a 100644
+--- a/mm/slab.c
++++ b/mm/slab.c
+@@ -4080,7 +4080,8 @@ static void cache_reap(struct work_struct *w)
+ next_reap_node();
+ out:
+ /* Set up the next iteration */
+- schedule_delayed_work(work, round_jiffies_relative(REAPTIMEOUT_AC));
++ schedule_delayed_work_on(smp_processor_id(), work,
++ round_jiffies_relative(REAPTIMEOUT_AC));
+ }
+
+ #ifdef CONFIG_SLABINFO
+diff --git a/net/dsa/tag_brcm.c b/net/dsa/tag_brcm.c
+index dbb016434ace..de92fc1fc3be 100644
+--- a/net/dsa/tag_brcm.c
++++ b/net/dsa/tag_brcm.c
+@@ -121,6 +121,9 @@ static struct sk_buff *brcm_tag_rcv(struct sk_buff *skb, struct net_device *dev,
+ if (source_port >= ds->num_ports || !ds->ports[source_port].netdev)
+ return NULL;
+
++ if (unlikely(ds->cpu_port_mask & BIT(source_port)))
++ return NULL;
++
+ /* Remove Broadcom tag and update checksum */
+ skb_pull_rcsum(skb, BRCM_TAG_LEN);
+
+diff --git a/net/dsa/tag_dsa.c b/net/dsa/tag_dsa.c
+index fbf9ca954773..b3008a9bacf3 100644
+--- a/net/dsa/tag_dsa.c
++++ b/net/dsa/tag_dsa.c
+@@ -107,6 +107,9 @@ static struct sk_buff *dsa_rcv(struct sk_buff *skb, struct net_device *dev,
+ if (source_port >= ds->num_ports || !ds->ports[source_port].netdev)
+ return NULL;
+
++ if (unlikely(ds->cpu_port_mask & BIT(source_port)))
++ return NULL;
++
+ /*
+ * Convert the DSA header to an 802.1q header if the 'tagged'
+ * bit in the DSA header is set. If the 'tagged' bit is clear,
+diff --git a/net/dsa/tag_edsa.c b/net/dsa/tag_edsa.c
+index 76367ba1b2e2..c86b6d90576d 100644
+--- a/net/dsa/tag_edsa.c
++++ b/net/dsa/tag_edsa.c
+@@ -120,6 +120,9 @@ static struct sk_buff *edsa_rcv(struct sk_buff *skb, struct net_device *dev,
+ if (source_port >= ds->num_ports || !ds->ports[source_port].netdev)
+ return NULL;
+
++ if (unlikely(ds->cpu_port_mask & BIT(source_port)))
++ return NULL;
++
+ /*
+ * If the 'tagged' bit is set, convert the DSA tag to a 802.1q
+ * tag and delete the ethertype part. If the 'tagged' bit is
+diff --git a/net/dsa/tag_ksz.c b/net/dsa/tag_ksz.c
+index 010ca0a336c4..6c894692b9cd 100644
+--- a/net/dsa/tag_ksz.c
++++ b/net/dsa/tag_ksz.c
+@@ -92,6 +92,9 @@ static struct sk_buff *ksz_rcv(struct sk_buff *skb, struct net_device *dev,
+ if (source_port >= ds->num_ports || !ds->ports[source_port].netdev)
+ return NULL;
+
++ if (unlikely(ds->cpu_port_mask & BIT(source_port)))
++ return NULL;
++
+ pskb_trim_rcsum(skb, skb->len - KSZ_EGRESS_TAG_LEN);
+
+ skb->dev = ds->ports[source_port].netdev;
+diff --git a/net/dsa/tag_lan9303.c b/net/dsa/tag_lan9303.c
+index 0b9826105e42..2d1603009e16 100644
+--- a/net/dsa/tag_lan9303.c
++++ b/net/dsa/tag_lan9303.c
+@@ -108,6 +108,9 @@ static struct sk_buff *lan9303_rcv(struct sk_buff *skb, struct net_device *dev,
+ return NULL;
+ }
+
++ if (unlikely(ds->cpu_port_mask & BIT(source_port)))
++ return NULL;
++
+ if (!ds->ports[source_port].netdev) {
+ dev_warn_ratelimited(&dev->dev, "Dropping packet due to invalid netdev or device\n");
+ return NULL;
+diff --git a/net/dsa/tag_mtk.c b/net/dsa/tag_mtk.c
+index ec8ee5f43255..5c471854412d 100644
+--- a/net/dsa/tag_mtk.c
++++ b/net/dsa/tag_mtk.c
+@@ -81,6 +81,9 @@ static struct sk_buff *mtk_tag_rcv(struct sk_buff *skb, struct net_device *dev,
+ if (!ds->ports[port].netdev)
+ return NULL;
+
++ if (unlikely(ds->cpu_port_mask & BIT(port)))
++ return NULL;
++
+ skb->dev = ds->ports[port].netdev;
+
+ return skb;
+diff --git a/net/dsa/tag_qca.c b/net/dsa/tag_qca.c
+index 1d4c70711c0f..b8c05f1cf47d 100644
+--- a/net/dsa/tag_qca.c
++++ b/net/dsa/tag_qca.c
+@@ -104,6 +104,9 @@ static struct sk_buff *qca_tag_rcv(struct sk_buff *skb, struct net_device *dev,
+ if (!ds->ports[port].netdev)
+ return NULL;
+
++ if (unlikely(ds->cpu_port_mask & BIT(port)))
++ return NULL;
++
+ /* Update skb & forward the frame accordingly */
+ skb->dev = ds->ports[port].netdev;
+
+diff --git a/net/dsa/tag_trailer.c b/net/dsa/tag_trailer.c
+index d2fd4923aa3e..fcc9aa72877d 100644
+--- a/net/dsa/tag_trailer.c
++++ b/net/dsa/tag_trailer.c
+@@ -76,6 +76,9 @@ static struct sk_buff *trailer_rcv(struct sk_buff *skb, struct net_device *dev,
+ if (source_port >= ds->num_ports || !ds->ports[source_port].netdev)
+ return NULL;
+
++ if (unlikely(ds->cpu_port_mask & BIT(source_port)))
++ return NULL;
++
+ pskb_trim_rcsum(skb, skb->len - 4);
+
+ skb->dev = ds->ports[source_port].netdev;
+diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
+index 61a504fb1ae2..34f94052c519 100644
+--- a/net/sunrpc/rpc_pipe.c
++++ b/net/sunrpc/rpc_pipe.c
+@@ -1375,6 +1375,7 @@ rpc_gssd_dummy_depopulate(struct dentry *pipe_dentry)
+ struct dentry *clnt_dir = pipe_dentry->d_parent;
+ struct dentry *gssd_dir = clnt_dir->d_parent;
+
++ dget(pipe_dentry);
+ __rpc_rmpipe(d_inode(clnt_dir), pipe_dentry);
+ __rpc_depopulate(clnt_dir, gssd_dummy_info_file, 0, 1);
+ __rpc_depopulate(gssd_dir, gssd_dummy_clnt_dir, 0, 1);
+diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
+index d6e9a18fd821..b4f954e6d2db 100644
+--- a/sound/core/oss/pcm_oss.c
++++ b/sound/core/oss/pcm_oss.c
+@@ -823,8 +823,25 @@ static int choose_rate(struct snd_pcm_substream *substream,
+ return snd_pcm_hw_param_near(substream, params, SNDRV_PCM_HW_PARAM_RATE, best_rate, NULL);
+ }
+
+-static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream,
+- bool trylock)
++/* parameter locking: returns immediately if tried during streaming */
++static int lock_params(struct snd_pcm_runtime *runtime)
++{
++ if (mutex_lock_interruptible(&runtime->oss.params_lock))
++ return -ERESTARTSYS;
++ if (atomic_read(&runtime->oss.rw_ref)) {
++ mutex_unlock(&runtime->oss.params_lock);
++ return -EBUSY;
++ }
++ return 0;
++}
++
++static void unlock_params(struct snd_pcm_runtime *runtime)
++{
++ mutex_unlock(&runtime->oss.params_lock);
++}
++
++/* call with params_lock held */
++static int snd_pcm_oss_change_params_locked(struct snd_pcm_substream *substream)
+ {
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_pcm_hw_params *params, *sparams;
+@@ -838,11 +855,8 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream,
+ const struct snd_mask *sformat_mask;
+ struct snd_mask mask;
+
+- if (trylock) {
+- if (!(mutex_trylock(&runtime->oss.params_lock)))
+- return -EAGAIN;
+- } else if (mutex_lock_interruptible(&runtime->oss.params_lock))
+- return -EINTR;
++ if (!runtime->oss.params)
++ return 0;
+ sw_params = kzalloc(sizeof(*sw_params), GFP_KERNEL);
+ params = kmalloc(sizeof(*params), GFP_KERNEL);
+ sparams = kmalloc(sizeof(*sparams), GFP_KERNEL);
+@@ -1068,6 +1082,23 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream,
+ kfree(sw_params);
+ kfree(params);
+ kfree(sparams);
++ return err;
++}
++
++/* this one takes the lock by itself */
++static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream,
++ bool trylock)
++{
++ struct snd_pcm_runtime *runtime = substream->runtime;
++ int err;
++
++ if (trylock) {
++ if (!(mutex_trylock(&runtime->oss.params_lock)))
++ return -EAGAIN;
++ } else if (mutex_lock_interruptible(&runtime->oss.params_lock))
++ return -ERESTARTSYS;
++
++ err = snd_pcm_oss_change_params_locked(substream);
+ mutex_unlock(&runtime->oss.params_lock);
+ return err;
+ }
+@@ -1096,6 +1127,10 @@ static int snd_pcm_oss_get_active_substream(struct snd_pcm_oss_file *pcm_oss_fil
+ return 0;
+ }
+
++/* call with params_lock held */
++/* NOTE: this always call PREPARE unconditionally no matter whether
++ * runtime->oss.prepare is set or not
++ */
+ static int snd_pcm_oss_prepare(struct snd_pcm_substream *substream)
+ {
+ int err;
+@@ -1120,14 +1155,35 @@ static int snd_pcm_oss_make_ready(struct snd_pcm_substream *substream)
+ struct snd_pcm_runtime *runtime;
+ int err;
+
+- if (substream == NULL)
+- return 0;
+ runtime = substream->runtime;
+ if (runtime->oss.params) {
+ err = snd_pcm_oss_change_params(substream, false);
+ if (err < 0)
+ return err;
+ }
++ if (runtime->oss.prepare) {
++ if (mutex_lock_interruptible(&runtime->oss.params_lock))
++ return -ERESTARTSYS;
++ err = snd_pcm_oss_prepare(substream);
++ mutex_unlock(&runtime->oss.params_lock);
++ if (err < 0)
++ return err;
++ }
++ return 0;
++}
++
++/* call with params_lock held */
++static int snd_pcm_oss_make_ready_locked(struct snd_pcm_substream *substream)
++{
++ struct snd_pcm_runtime *runtime;
++ int err;
++
++ runtime = substream->runtime;
++ if (runtime->oss.params) {
++ err = snd_pcm_oss_change_params_locked(substream);
++ if (err < 0)
++ return err;
++ }
+ if (runtime->oss.prepare) {
+ err = snd_pcm_oss_prepare(substream);
+ if (err < 0)
+@@ -1332,13 +1388,15 @@ static ssize_t snd_pcm_oss_write1(struct snd_pcm_substream *substream, const cha
+ if (atomic_read(&substream->mmap_count))
+ return -ENXIO;
+
+- if ((tmp = snd_pcm_oss_make_ready(substream)) < 0)
+- return tmp;
++ atomic_inc(&runtime->oss.rw_ref);
+ while (bytes > 0) {
+ if (mutex_lock_interruptible(&runtime->oss.params_lock)) {
+ tmp = -ERESTARTSYS;
+ break;
+ }
++ tmp = snd_pcm_oss_make_ready_locked(substream);
++ if (tmp < 0)
++ goto err;
+ if (bytes < runtime->oss.period_bytes || runtime->oss.buffer_used > 0) {
+ tmp = bytes;
+ if (tmp + runtime->oss.buffer_used > runtime->oss.period_bytes)
+@@ -1394,6 +1452,7 @@ static ssize_t snd_pcm_oss_write1(struct snd_pcm_substream *substream, const cha
+ }
+ tmp = 0;
+ }
++ atomic_dec(&runtime->oss.rw_ref);
+ return xfer > 0 ? (snd_pcm_sframes_t)xfer : tmp;
+ }
+
+@@ -1439,13 +1498,15 @@ static ssize_t snd_pcm_oss_read1(struct snd_pcm_substream *substream, char __use
+ if (atomic_read(&substream->mmap_count))
+ return -ENXIO;
+
+- if ((tmp = snd_pcm_oss_make_ready(substream)) < 0)
+- return tmp;
++ atomic_inc(&runtime->oss.rw_ref);
+ while (bytes > 0) {
+ if (mutex_lock_interruptible(&runtime->oss.params_lock)) {
+ tmp = -ERESTARTSYS;
+ break;
+ }
++ tmp = snd_pcm_oss_make_ready_locked(substream);
++ if (tmp < 0)
++ goto err;
+ if (bytes < runtime->oss.period_bytes || runtime->oss.buffer_used > 0) {
+ if (runtime->oss.buffer_used == 0) {
+ tmp = snd_pcm_oss_read2(substream, runtime->oss.buffer, runtime->oss.period_bytes, 1);
+@@ -1486,6 +1547,7 @@ static ssize_t snd_pcm_oss_read1(struct snd_pcm_substream *substream, char __use
+ }
+ tmp = 0;
+ }
++ atomic_dec(&runtime->oss.rw_ref);
+ return xfer > 0 ? (snd_pcm_sframes_t)xfer : tmp;
+ }
+
+@@ -1501,10 +1563,12 @@ static int snd_pcm_oss_reset(struct snd_pcm_oss_file *pcm_oss_file)
+ continue;
+ runtime = substream->runtime;
+ snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);
++ mutex_lock(&runtime->oss.params_lock);
+ runtime->oss.prepare = 1;
+ runtime->oss.buffer_used = 0;
+ runtime->oss.prev_hw_ptr_period = 0;
+ runtime->oss.period_ptr = 0;
++ mutex_unlock(&runtime->oss.params_lock);
+ }
+ return 0;
+ }
+@@ -1590,9 +1654,13 @@ static int snd_pcm_oss_sync(struct snd_pcm_oss_file *pcm_oss_file)
+ goto __direct;
+ if ((err = snd_pcm_oss_make_ready(substream)) < 0)
+ return err;
++ atomic_inc(&runtime->oss.rw_ref);
++ if (mutex_lock_interruptible(&runtime->oss.params_lock)) {
++ atomic_dec(&runtime->oss.rw_ref);
++ return -ERESTARTSYS;
++ }
+ format = snd_pcm_oss_format_from(runtime->oss.format);
+ width = snd_pcm_format_physical_width(format);
+- mutex_lock(&runtime->oss.params_lock);
+ if (runtime->oss.buffer_used > 0) {
+ #ifdef OSS_DEBUG
+ pcm_dbg(substream->pcm, "sync: buffer_used\n");
+@@ -1602,10 +1670,8 @@ static int snd_pcm_oss_sync(struct snd_pcm_oss_file *pcm_oss_file)
+ runtime->oss.buffer + runtime->oss.buffer_used,
+ size);
+ err = snd_pcm_oss_sync1(substream, runtime->oss.period_bytes);
+- if (err < 0) {
+- mutex_unlock(&runtime->oss.params_lock);
+- return err;
+- }
++ if (err < 0)
++ goto unlock;
+ } else if (runtime->oss.period_ptr > 0) {
+ #ifdef OSS_DEBUG
+ pcm_dbg(substream->pcm, "sync: period_ptr\n");
+@@ -1615,10 +1681,8 @@ static int snd_pcm_oss_sync(struct snd_pcm_oss_file *pcm_oss_file)
+ runtime->oss.buffer,
+ size * 8 / width);
+ err = snd_pcm_oss_sync1(substream, size);
+- if (err < 0) {
+- mutex_unlock(&runtime->oss.params_lock);
+- return err;
+- }
++ if (err < 0)
++ goto unlock;
+ }
+ /*
+ * The ALSA's period might be a bit large than OSS one.
+@@ -1632,7 +1696,11 @@ static int snd_pcm_oss_sync(struct snd_pcm_oss_file *pcm_oss_file)
+ else if (runtime->access == SNDRV_PCM_ACCESS_RW_NONINTERLEAVED)
+ snd_pcm_lib_writev(substream, NULL, size);
+ }
++unlock:
+ mutex_unlock(&runtime->oss.params_lock);
++ atomic_dec(&runtime->oss.rw_ref);
++ if (err < 0)
++ return err;
+ /*
+ * finish sync: drain the buffer
+ */
+@@ -1643,7 +1711,9 @@ static int snd_pcm_oss_sync(struct snd_pcm_oss_file *pcm_oss_file)
+ substream->f_flags = saved_f_flags;
+ if (err < 0)
+ return err;
++ mutex_lock(&runtime->oss.params_lock);
+ runtime->oss.prepare = 1;
++ mutex_unlock(&runtime->oss.params_lock);
+ }
+
+ substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_CAPTURE];
+@@ -1654,8 +1724,10 @@ static int snd_pcm_oss_sync(struct snd_pcm_oss_file *pcm_oss_file)
+ err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);
+ if (err < 0)
+ return err;
++ mutex_lock(&runtime->oss.params_lock);
+ runtime->oss.buffer_used = 0;
+ runtime->oss.prepare = 1;
++ mutex_unlock(&runtime->oss.params_lock);
+ }
+ return 0;
+ }
+@@ -1667,6 +1739,8 @@ static int snd_pcm_oss_set_rate(struct snd_pcm_oss_file *pcm_oss_file, int rate)
+ for (idx = 1; idx >= 0; --idx) {
+ struct snd_pcm_substream *substream = pcm_oss_file->streams[idx];
+ struct snd_pcm_runtime *runtime;
++ int err;
++
+ if (substream == NULL)
+ continue;
+ runtime = substream->runtime;
+@@ -1674,10 +1748,14 @@ static int snd_pcm_oss_set_rate(struct snd_pcm_oss_file *pcm_oss_file, int rate)
+ rate = 1000;
+ else if (rate > 192000)
+ rate = 192000;
++ err = lock_params(runtime);
++ if (err < 0)
++ return err;
+ if (runtime->oss.rate != rate) {
+ runtime->oss.params = 1;
+ runtime->oss.rate = rate;
+ }
++ unlock_params(runtime);
+ }
+ return snd_pcm_oss_get_rate(pcm_oss_file);
+ }
+@@ -1702,13 +1780,19 @@ static int snd_pcm_oss_set_channels(struct snd_pcm_oss_file *pcm_oss_file, unsig
+ for (idx = 1; idx >= 0; --idx) {
+ struct snd_pcm_substream *substream = pcm_oss_file->streams[idx];
+ struct snd_pcm_runtime *runtime;
++ int err;
++
+ if (substream == NULL)
+ continue;
+ runtime = substream->runtime;
++ err = lock_params(runtime);
++ if (err < 0)
++ return err;
+ if (runtime->oss.channels != channels) {
+ runtime->oss.params = 1;
+ runtime->oss.channels = channels;
+ }
++ unlock_params(runtime);
+ }
+ return snd_pcm_oss_get_channels(pcm_oss_file);
+ }
+@@ -1781,6 +1865,7 @@ static int snd_pcm_oss_get_formats(struct snd_pcm_oss_file *pcm_oss_file)
+ static int snd_pcm_oss_set_format(struct snd_pcm_oss_file *pcm_oss_file, int format)
+ {
+ int formats, idx;
++ int err;
+
+ if (format != AFMT_QUERY) {
+ formats = snd_pcm_oss_get_formats(pcm_oss_file);
+@@ -1794,10 +1879,14 @@ static int snd_pcm_oss_set_format(struct snd_pcm_oss_file *pcm_oss_file, int for
+ if (substream == NULL)
+ continue;
+ runtime = substream->runtime;
++ err = lock_params(runtime);
++ if (err < 0)
++ return err;
+ if (runtime->oss.format != format) {
+ runtime->oss.params = 1;
+ runtime->oss.format = format;
+ }
++ unlock_params(runtime);
+ }
+ }
+ return snd_pcm_oss_get_format(pcm_oss_file);
+@@ -1817,8 +1906,6 @@ static int snd_pcm_oss_set_subdivide1(struct snd_pcm_substream *substream, int s
+ {
+ struct snd_pcm_runtime *runtime;
+
+- if (substream == NULL)
+- return 0;
+ runtime = substream->runtime;
+ if (subdivide == 0) {
+ subdivide = runtime->oss.subdivision;
+@@ -1842,9 +1929,17 @@ static int snd_pcm_oss_set_subdivide(struct snd_pcm_oss_file *pcm_oss_file, int
+
+ for (idx = 1; idx >= 0; --idx) {
+ struct snd_pcm_substream *substream = pcm_oss_file->streams[idx];
++ struct snd_pcm_runtime *runtime;
++
+ if (substream == NULL)
+ continue;
+- if ((err = snd_pcm_oss_set_subdivide1(substream, subdivide)) < 0)
++ runtime = substream->runtime;
++ err = lock_params(runtime);
++ if (err < 0)
++ return err;
++ err = snd_pcm_oss_set_subdivide1(substream, subdivide);
++ unlock_params(runtime);
++ if (err < 0)
+ return err;
+ }
+ return err;
+@@ -1854,8 +1949,6 @@ static int snd_pcm_oss_set_fragment1(struct snd_pcm_substream *substream, unsign
+ {
+ struct snd_pcm_runtime *runtime;
+
+- if (substream == NULL)
+- return 0;
+ runtime = substream->runtime;
+ if (runtime->oss.subdivision || runtime->oss.fragshift)
+ return -EINVAL;
+@@ -1875,9 +1968,17 @@ static int snd_pcm_oss_set_fragment(struct snd_pcm_oss_file *pcm_oss_file, unsig
+
+ for (idx = 1; idx >= 0; --idx) {
+ struct snd_pcm_substream *substream = pcm_oss_file->streams[idx];
++ struct snd_pcm_runtime *runtime;
++
+ if (substream == NULL)
+ continue;
+- if ((err = snd_pcm_oss_set_fragment1(substream, val)) < 0)
++ runtime = substream->runtime;
++ err = lock_params(runtime);
++ if (err < 0)
++ return err;
++ err = snd_pcm_oss_set_fragment1(substream, val);
++ unlock_params(runtime);
++ if (err < 0)
+ return err;
+ }
+ return err;
+@@ -1961,6 +2062,9 @@ static int snd_pcm_oss_set_trigger(struct snd_pcm_oss_file *pcm_oss_file, int tr
+ }
+ if (psubstream) {
+ runtime = psubstream->runtime;
++ cmd = 0;
++ if (mutex_lock_interruptible(&runtime->oss.params_lock))
++ return -ERESTARTSYS;
+ if (trigger & PCM_ENABLE_OUTPUT) {
+ if (runtime->oss.trigger)
+ goto _skip1;
+@@ -1978,13 +2082,19 @@ static int snd_pcm_oss_set_trigger(struct snd_pcm_oss_file *pcm_oss_file, int tr
+ cmd = SNDRV_PCM_IOCTL_DROP;
+ runtime->oss.prepare = 1;
+ }
+- err = snd_pcm_kernel_ioctl(psubstream, cmd, NULL);
+- if (err < 0)
+- return err;
+- }
+ _skip1:
++ mutex_unlock(&runtime->oss.params_lock);
++ if (cmd) {
++ err = snd_pcm_kernel_ioctl(psubstream, cmd, NULL);
++ if (err < 0)
++ return err;
++ }
++ }
+ if (csubstream) {
+ runtime = csubstream->runtime;
++ cmd = 0;
++ if (mutex_lock_interruptible(&runtime->oss.params_lock))
++ return -ERESTARTSYS;
+ if (trigger & PCM_ENABLE_INPUT) {
+ if (runtime->oss.trigger)
+ goto _skip2;
+@@ -1999,11 +2109,14 @@ static int snd_pcm_oss_set_trigger(struct snd_pcm_oss_file *pcm_oss_file, int tr
+ cmd = SNDRV_PCM_IOCTL_DROP;
+ runtime->oss.prepare = 1;
+ }
+- err = snd_pcm_kernel_ioctl(csubstream, cmd, NULL);
+- if (err < 0)
+- return err;
+- }
+ _skip2:
++ mutex_unlock(&runtime->oss.params_lock);
++ if (cmd) {
++ err = snd_pcm_kernel_ioctl(csubstream, cmd, NULL);
++ if (err < 0)
++ return err;
++ }
++ }
+ return 0;
+ }
+
+@@ -2255,6 +2368,7 @@ static void snd_pcm_oss_init_substream(struct snd_pcm_substream *substream,
+ runtime->oss.maxfrags = 0;
+ runtime->oss.subdivision = 0;
+ substream->pcm_release = snd_pcm_oss_release_substream;
++ atomic_set(&runtime->oss.rw_ref, 0);
+ }
+
+ static int snd_pcm_oss_release_file(struct snd_pcm_oss_file *pcm_oss_file)
+diff --git a/sound/core/pcm.c b/sound/core/pcm.c
+index 7fea724d093a..e8dc1a5afe66 100644
+--- a/sound/core/pcm.c
++++ b/sound/core/pcm.c
+@@ -28,6 +28,7 @@
+ #include <sound/core.h>
+ #include <sound/minors.h>
+ #include <sound/pcm.h>
++#include <sound/timer.h>
+ #include <sound/control.h>
+ #include <sound/info.h>
+
+@@ -1050,8 +1051,13 @@ void snd_pcm_detach_substream(struct snd_pcm_substream *substream)
+ snd_free_pages((void*)runtime->control,
+ PAGE_ALIGN(sizeof(struct snd_pcm_mmap_control)));
+ kfree(runtime->hw_constraints.rules);
+- kfree(runtime);
++ /* Avoid concurrent access to runtime via PCM timer interface */
++ if (substream->timer)
++ spin_lock_irq(&substream->timer->lock);
+ substream->runtime = NULL;
++ if (substream->timer)
++ spin_unlock_irq(&substream->timer->lock);
++ kfree(runtime);
+ put_pid(substream->pid);
+ substream->pid = NULL;
+ substream->pstr->substream_opened--;
+diff --git a/sound/core/rawmidi_compat.c b/sound/core/rawmidi_compat.c
+index f69764d7cdd7..e30e30ba6e39 100644
+--- a/sound/core/rawmidi_compat.c
++++ b/sound/core/rawmidi_compat.c
+@@ -36,8 +36,6 @@ static int snd_rawmidi_ioctl_params_compat(struct snd_rawmidi_file *rfile,
+ struct snd_rawmidi_params params;
+ unsigned int val;
+
+- if (rfile->output == NULL)
+- return -EINVAL;
+ if (get_user(params.stream, &src->stream) ||
+ get_user(params.buffer_size, &src->buffer_size) ||
+ get_user(params.avail_min, &src->avail_min) ||
+@@ -46,8 +44,12 @@ static int snd_rawmidi_ioctl_params_compat(struct snd_rawmidi_file *rfile,
+ params.no_active_sensing = val;
+ switch (params.stream) {
+ case SNDRV_RAWMIDI_STREAM_OUTPUT:
++ if (!rfile->output)
++ return -EINVAL;
+ return snd_rawmidi_output_params(rfile->output, ¶ms);
+ case SNDRV_RAWMIDI_STREAM_INPUT:
++ if (!rfile->input)
++ return -EINVAL;
+ return snd_rawmidi_input_params(rfile->input, ¶ms);
+ }
+ return -EINVAL;
+@@ -67,16 +69,18 @@ static int snd_rawmidi_ioctl_status_compat(struct snd_rawmidi_file *rfile,
+ int err;
+ struct snd_rawmidi_status status;
+
+- if (rfile->output == NULL)
+- return -EINVAL;
+ if (get_user(status.stream, &src->stream))
+ return -EFAULT;
+
+ switch (status.stream) {
+ case SNDRV_RAWMIDI_STREAM_OUTPUT:
++ if (!rfile->output)
++ return -EINVAL;
+ err = snd_rawmidi_output_status(rfile->output, &status);
+ break;
+ case SNDRV_RAWMIDI_STREAM_INPUT:
++ if (!rfile->input)
++ return -EINVAL;
+ err = snd_rawmidi_input_status(rfile->input, &status);
+ break;
+ default:
+@@ -112,16 +116,18 @@ static int snd_rawmidi_ioctl_status_x32(struct snd_rawmidi_file *rfile,
+ int err;
+ struct snd_rawmidi_status status;
+
+- if (rfile->output == NULL)
+- return -EINVAL;
+ if (get_user(status.stream, &src->stream))
+ return -EFAULT;
+
+ switch (status.stream) {
+ case SNDRV_RAWMIDI_STREAM_OUTPUT:
++ if (!rfile->output)
++ return -EINVAL;
+ err = snd_rawmidi_output_status(rfile->output, &status);
+ break;
+ case SNDRV_RAWMIDI_STREAM_INPUT:
++ if (!rfile->input)
++ return -EINVAL;
+ err = snd_rawmidi_input_status(rfile->input, &status);
+ break;
+ default:
+diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
+index c507c69029e3..738e1fe90312 100644
+--- a/sound/pci/hda/hda_intel.c
++++ b/sound/pci/hda/hda_intel.c
+@@ -1645,7 +1645,8 @@ static void azx_check_snoop_available(struct azx *chip)
+ */
+ u8 val;
+ pci_read_config_byte(chip->pci, 0x42, &val);
+- if (!(val & 0x80) && chip->pci->revision == 0x30)
++ if (!(val & 0x80) && (chip->pci->revision == 0x30 ||
++ chip->pci->revision == 0x20))
+ snoop = false;
+ }
+
+diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
+index e44a9758f2eb..b1b28c6928a7 100644
+--- a/sound/pci/hda/patch_realtek.c
++++ b/sound/pci/hda/patch_realtek.c
+@@ -6225,6 +6225,8 @@ static const struct hda_fixup alc269_fixups[] = {
+ { 0x19, 0x01a1913c }, /* use as headset mic, without its own jack detect */
+ { }
+ },
++ .chained = true,
++ .chain_id = ALC269_FIXUP_HEADSET_MIC
+ },
+ };
+
+@@ -6428,6 +6430,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
+ SND_PCI_QUIRK(0x17aa, 0x30bb, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY),
+ SND_PCI_QUIRK(0x17aa, 0x30e2, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY),
+ SND_PCI_QUIRK(0x17aa, 0x310c, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
++ SND_PCI_QUIRK(0x17aa, 0x3138, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
+ SND_PCI_QUIRK(0x17aa, 0x313c, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
+ SND_PCI_QUIRK(0x17aa, 0x3112, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY),
+ SND_PCI_QUIRK(0x17aa, 0x3902, "Lenovo E50-80", ALC269_FIXUP_DMIC_THINKPAD_ACPI),
+diff --git a/sound/soc/codecs/ssm2602.c b/sound/soc/codecs/ssm2602.c
+index 9b341c23f62b..5e80867d09ef 100644
+--- a/sound/soc/codecs/ssm2602.c
++++ b/sound/soc/codecs/ssm2602.c
+@@ -54,10 +54,17 @@ struct ssm2602_priv {
+ * using 2 wire for device control, so we cache them instead.
+ * There is no point in caching the reset register
+ */
+-static const u16 ssm2602_reg[SSM2602_CACHEREGNUM] = {
+- 0x0097, 0x0097, 0x0079, 0x0079,
+- 0x000a, 0x0008, 0x009f, 0x000a,
+- 0x0000, 0x0000
++static const struct reg_default ssm2602_reg[SSM2602_CACHEREGNUM] = {
++ { .reg = 0x00, .def = 0x0097 },
++ { .reg = 0x01, .def = 0x0097 },
++ { .reg = 0x02, .def = 0x0079 },
++ { .reg = 0x03, .def = 0x0079 },
++ { .reg = 0x04, .def = 0x000a },
++ { .reg = 0x05, .def = 0x0008 },
++ { .reg = 0x06, .def = 0x009f },
++ { .reg = 0x07, .def = 0x000a },
++ { .reg = 0x08, .def = 0x0000 },
++ { .reg = 0x09, .def = 0x0000 }
+ };
+
+
+@@ -620,8 +627,8 @@ const struct regmap_config ssm2602_regmap_config = {
+ .volatile_reg = ssm2602_register_volatile,
+
+ .cache_type = REGCACHE_RBTREE,
+- .reg_defaults_raw = ssm2602_reg,
+- .num_reg_defaults_raw = ARRAY_SIZE(ssm2602_reg),
++ .reg_defaults = ssm2602_reg,
++ .num_reg_defaults = ARRAY_SIZE(ssm2602_reg),
+ };
+ EXPORT_SYMBOL_GPL(ssm2602_regmap_config);
+
+diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
+index 01a50413c66f..782c580b7aa3 100644
+--- a/sound/soc/soc-topology.c
++++ b/sound/soc/soc-topology.c
+@@ -523,6 +523,7 @@ static void remove_widget(struct snd_soc_component *comp,
+ kfree(se->dobj.control.dtexts[j]);
+
+ kfree(se);
++ kfree(w->kcontrol_news[i].name);
+ }
+ kfree(w->kcontrol_news);
+ } else {
+@@ -540,6 +541,7 @@ static void remove_widget(struct snd_soc_component *comp,
+ */
+ kfree((void *)kcontrol->private_value);
+ snd_ctl_remove(card, kcontrol);
++ kfree(w->kcontrol_news[i].name);
+ }
+ kfree(w->kcontrol_news);
+ }
+@@ -1233,7 +1235,9 @@ static struct snd_kcontrol_new *soc_tplg_dapm_widget_dmixer_create(
+ dev_dbg(tplg->dev, " adding DAPM widget mixer control %s at %d\n",
+ mc->hdr.name, i);
+
+- kc[i].name = mc->hdr.name;
++ kc[i].name = kstrdup(mc->hdr.name, GFP_KERNEL);
++ if (kc[i].name == NULL)
++ goto err_str;
+ kc[i].private_value = (long)sm;
+ kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ kc[i].access = mc->hdr.access;
+@@ -1278,8 +1282,10 @@ static struct snd_kcontrol_new *soc_tplg_dapm_widget_dmixer_create(
+ err_str:
+ kfree(sm);
+ err:
+- for (--i; i >= 0; i--)
++ for (--i; i >= 0; i--) {
+ kfree((void *)kc[i].private_value);
++ kfree(kc[i].name);
++ }
+ kfree(kc);
+ return NULL;
+ }
+@@ -1310,7 +1316,9 @@ static struct snd_kcontrol_new *soc_tplg_dapm_widget_denum_create(
+ dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n",
+ ec->hdr.name);
+
+- kc[i].name = ec->hdr.name;
++ kc[i].name = kstrdup(ec->hdr.name, GFP_KERNEL);
++ if (kc[i].name == NULL)
++ goto err_se;
+ kc[i].private_value = (long)se;
+ kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ kc[i].access = ec->hdr.access;
+@@ -1386,6 +1394,7 @@ static struct snd_kcontrol_new *soc_tplg_dapm_widget_denum_create(
+ kfree(se->dobj.control.dtexts[j]);
+
+ kfree(se);
++ kfree(kc[i].name);
+ }
+ err:
+ kfree(kc);
+@@ -1424,7 +1433,9 @@ static struct snd_kcontrol_new *soc_tplg_dapm_widget_dbytes_create(
+ "ASoC: adding bytes kcontrol %s with access 0x%x\n",
+ be->hdr.name, be->hdr.access);
+
+- kc[i].name = be->hdr.name;
++ kc[i].name = kstrdup(be->hdr.name, GFP_KERNEL);
++ if (kc[i].name == NULL)
++ goto err;
+ kc[i].private_value = (long)sbe;
+ kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ kc[i].access = be->hdr.access;
+@@ -1454,8 +1465,10 @@ static struct snd_kcontrol_new *soc_tplg_dapm_widget_dbytes_create(
+ return kc;
+
+ err:
+- for (--i; i >= 0; i--)
++ for (--i; i >= 0; i--) {
+ kfree((void *)kc[i].private_value);
++ kfree(kc[i].name);
++ }
+
+ kfree(kc);
+ return NULL;
+diff --git a/sound/usb/line6/midi.c b/sound/usb/line6/midi.c
+index 1d3a23b02d68..b5d62b5f59ba 100644
+--- a/sound/usb/line6/midi.c
++++ b/sound/usb/line6/midi.c
+@@ -125,7 +125,7 @@ static int send_midi_async(struct usb_line6 *line6, unsigned char *data,
+ }
+
+ usb_fill_int_urb(urb, line6->usbdev,
+- usb_sndbulkpipe(line6->usbdev,
++ usb_sndintpipe(line6->usbdev,
+ line6->properties->ep_ctrl_w),
+ transfer_buffer, length, midi_sent, line6,
+ line6->interval);
+diff --git a/virt/kvm/arm/vgic/vgic-its.c b/virt/kvm/arm/vgic/vgic-its.c
+index 59ce2fb49821..5a11f4d3972c 100644
+--- a/virt/kvm/arm/vgic/vgic-its.c
++++ b/virt/kvm/arm/vgic/vgic-its.c
+@@ -309,21 +309,24 @@ static int vgic_copy_lpi_list(struct kvm_vcpu *vcpu, u32 **intid_ptr)
+ struct vgic_dist *dist = &vcpu->kvm->arch.vgic;
+ struct vgic_irq *irq;
+ u32 *intids;
+- int irq_count = dist->lpi_list_count, i = 0;
++ int irq_count, i = 0;
+
+ /*
+- * We use the current value of the list length, which may change
+- * after the kmalloc. We don't care, because the guest shouldn't
+- * change anything while the command handling is still running,
+- * and in the worst case we would miss a new IRQ, which one wouldn't
+- * expect to be covered by this command anyway.
++ * There is an obvious race between allocating the array and LPIs
++ * being mapped/unmapped. If we ended up here as a result of a
++ * command, we're safe (locks are held, preventing another
++ * command). If coming from another path (such as enabling LPIs),
++ * we must be careful not to overrun the array.
+ */
++ irq_count = READ_ONCE(dist->lpi_list_count);
+ intids = kmalloc_array(irq_count, sizeof(intids[0]), GFP_KERNEL);
+ if (!intids)
+ return -ENOMEM;
+
+ spin_lock(&dist->lpi_list_lock);
+ list_for_each_entry(irq, &dist->lpi_list_head, lpi_list) {
++ if (i == irq_count)
++ break;
+ /* We don't need to "get" the IRQ, as we hold the list lock. */
+ if (irq->target_vcpu != vcpu)
+ continue;
next reply other threads:[~2018-04-24 11:27 UTC|newest]
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