From: "Mike Pagano" <mpagano@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/linux-patches:4.14 commit in: /
Date: Wed, 11 Mar 2020 18:19:13 +0000 (UTC) [thread overview]
Message-ID: <1583950740.24804fd723e7cf65363c473ffe5fa05c8416f588.mpagano@gentoo> (raw)
commit: 24804fd723e7cf65363c473ffe5fa05c8416f588
Author: Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Wed Mar 11 18:19:00 2020 +0000
Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Wed Mar 11 18:19:00 2020 +0000
URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=24804fd7
Linux patch 4.14.173
Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>
0000_README | 4 +
1172_linux-4.14.173.patch | 4643 +++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 4647 insertions(+)
diff --git a/0000_README b/0000_README
index 699eb35..fad3b75 100644
--- a/0000_README
+++ b/0000_README
@@ -731,6 +731,10 @@ Patch: 1171_linux-4.14.172.patch
From: https://www.kernel.org
Desc: Linux 4.14.172
+Patch: 1172_linux-4.14.173.patch
+From: https://www.kernel.org
+Desc: Linux 4.14.173
+
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/1172_linux-4.14.173.patch b/1172_linux-4.14.173.patch
new file mode 100644
index 0000000..eab400d
--- /dev/null
+++ b/1172_linux-4.14.173.patch
@@ -0,0 +1,4643 @@
+diff --git a/Makefile b/Makefile
+index 6d3cecad7f1e..9a524b5c1d55 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 4
+ PATCHLEVEL = 14
+-SUBLEVEL = 172
++SUBLEVEL = 173
+ EXTRAVERSION =
+ NAME = Petit Gorille
+
+diff --git a/arch/arm/boot/dts/dra76x.dtsi b/arch/arm/boot/dts/dra76x.dtsi
+index 1c88c581ff18..78d58b8af67e 100644
+--- a/arch/arm/boot/dts/dra76x.dtsi
++++ b/arch/arm/boot/dts/dra76x.dtsi
+@@ -17,3 +17,8 @@
+ &crossbar_mpu {
+ ti,irqs-skip = <10 67 68 133 139 140>;
+ };
++
++&mmc3 {
++ /* dra76x is not affected by i887 */
++ max-frequency = <96000000>;
++};
+diff --git a/arch/arm/boot/dts/ls1021a.dtsi b/arch/arm/boot/dts/ls1021a.dtsi
+index 1343c86988c5..68f4482c35e2 100644
+--- a/arch/arm/boot/dts/ls1021a.dtsi
++++ b/arch/arm/boot/dts/ls1021a.dtsi
+@@ -562,7 +562,7 @@
+ };
+
+ mdio0: mdio@2d24000 {
+- compatible = "fsl,etsec2-mdio";
++ compatible = "gianfar";
+ device_type = "mdio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+@@ -570,7 +570,7 @@
+ };
+
+ mdio1: mdio@2d64000 {
+- compatible = "fsl,etsec2-mdio";
++ compatible = "gianfar";
+ device_type = "mdio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
+index 8ff71058207d..8cf1a98785a5 100644
+--- a/arch/arm/mach-imx/Makefile
++++ b/arch/arm/mach-imx/Makefile
+@@ -87,6 +87,8 @@ AFLAGS_suspend-imx6.o :=-Wa,-march=armv7-a
+ obj-$(CONFIG_SOC_IMX6) += suspend-imx6.o
+ obj-$(CONFIG_SOC_IMX53) += suspend-imx53.o
+ endif
++AFLAGS_resume-imx6.o :=-Wa,-march=armv7-a
++obj-$(CONFIG_SOC_IMX6) += resume-imx6.o
+ obj-$(CONFIG_SOC_IMX6) += pm-imx6.o
+
+ obj-$(CONFIG_SOC_IMX1) += mach-imx1.o
+diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h
+index b09a2ec19267..4b318c864446 100644
+--- a/arch/arm/mach-imx/common.h
++++ b/arch/arm/mach-imx/common.h
+@@ -111,17 +111,17 @@ void imx_cpu_die(unsigned int cpu);
+ int imx_cpu_kill(unsigned int cpu);
+
+ #ifdef CONFIG_SUSPEND
+-void v7_cpu_resume(void);
+ void imx53_suspend(void __iomem *ocram_vbase);
+ extern const u32 imx53_suspend_sz;
+ void imx6_suspend(void __iomem *ocram_vbase);
+ #else
+-static inline void v7_cpu_resume(void) {}
+ static inline void imx53_suspend(void __iomem *ocram_vbase) {}
+ static const u32 imx53_suspend_sz;
+ static inline void imx6_suspend(void __iomem *ocram_vbase) {}
+ #endif
+
++void v7_cpu_resume(void);
++
+ void imx6_pm_ccm_init(const char *ccm_compat);
+ void imx6q_pm_init(void);
+ void imx6dl_pm_init(void);
+diff --git a/arch/arm/mach-imx/resume-imx6.S b/arch/arm/mach-imx/resume-imx6.S
+new file mode 100644
+index 000000000000..5bd1ba7ef15b
+--- /dev/null
++++ b/arch/arm/mach-imx/resume-imx6.S
+@@ -0,0 +1,24 @@
++/* SPDX-License-Identifier: GPL-2.0-or-later */
++/*
++ * Copyright 2014 Freescale Semiconductor, Inc.
++ */
++
++#include <linux/linkage.h>
++#include <asm/assembler.h>
++#include <asm/asm-offsets.h>
++#include <asm/hardware/cache-l2x0.h>
++#include "hardware.h"
++
++/*
++ * The following code must assume it is running from physical address
++ * where absolute virtual addresses to the data section have to be
++ * turned into relative ones.
++ */
++
++ENTRY(v7_cpu_resume)
++ bl v7_invalidate_l1
++#ifdef CONFIG_CACHE_L2X0
++ bl l2c310_early_resume
++#endif
++ b cpu_resume
++ENDPROC(v7_cpu_resume)
+diff --git a/arch/arm/mach-imx/suspend-imx6.S b/arch/arm/mach-imx/suspend-imx6.S
+index 76ee2ceec8d5..7d84b617af48 100644
+--- a/arch/arm/mach-imx/suspend-imx6.S
++++ b/arch/arm/mach-imx/suspend-imx6.S
+@@ -333,17 +333,3 @@ resume:
+
+ ret lr
+ ENDPROC(imx6_suspend)
+-
+-/*
+- * The following code must assume it is running from physical address
+- * where absolute virtual addresses to the data section have to be
+- * turned into relative ones.
+- */
+-
+-ENTRY(v7_cpu_resume)
+- bl v7_invalidate_l1
+-#ifdef CONFIG_CACHE_L2X0
+- bl l2c310_early_resume
+-#endif
+- b cpu_resume
+-ENDPROC(v7_cpu_resume)
+diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
+index 544ea21bfef9..b2683aca401f 100644
+--- a/arch/mips/kernel/vpe.c
++++ b/arch/mips/kernel/vpe.c
+@@ -134,7 +134,7 @@ void release_vpe(struct vpe *v)
+ {
+ list_del(&v->list);
+ if (v->load_addr)
+- release_progmem(v);
++ release_progmem(v->load_addr);
+ kfree(v);
+ }
+
+diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
+index da4b0e379238..6ef41e823013 100644
+--- a/arch/powerpc/kernel/cputable.c
++++ b/arch/powerpc/kernel/cputable.c
+@@ -2232,11 +2232,13 @@ static struct cpu_spec * __init setup_cpu_spec(unsigned long offset,
+ * oprofile_cpu_type already has a value, then we are
+ * possibly overriding a real PVR with a logical one,
+ * and, in that case, keep the current value for
+- * oprofile_cpu_type.
++ * oprofile_cpu_type. Futhermore, let's ensure that the
++ * fix for the PMAO bug is enabled on compatibility mode.
+ */
+ if (old.oprofile_cpu_type != NULL) {
+ t->oprofile_cpu_type = old.oprofile_cpu_type;
+ t->oprofile_type = old.oprofile_type;
++ t->cpu_features |= old.cpu_features & CPU_FTR_PMAO_BUG;
+ }
+ }
+
+diff --git a/arch/x86/boot/compressed/pagetable.c b/arch/x86/boot/compressed/pagetable.c
+index e691ff734cb5..46573842d8c3 100644
+--- a/arch/x86/boot/compressed/pagetable.c
++++ b/arch/x86/boot/compressed/pagetable.c
+@@ -36,9 +36,6 @@
+ #define __PAGE_OFFSET __PAGE_OFFSET_BASE
+ #include "../../mm/ident_map.c"
+
+-/* Used by pgtable.h asm code to force instruction serialization. */
+-unsigned long __force_order;
+-
+ /* Used to track our page table allocation area. */
+ struct alloc_pgt_data {
+ unsigned char *pgt_buf;
+diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
+index 3d805e8b3739..7b4141889919 100644
+--- a/arch/x86/kernel/cpu/common.c
++++ b/arch/x86/kernel/cpu/common.c
+@@ -360,7 +360,7 @@ static __always_inline void setup_pku(struct cpuinfo_x86 *c)
+ * cpuid bit to be set. We need to ensure that we
+ * update that bit in this CPU's "cpu_info".
+ */
+- get_cpu_cap(c);
++ set_cpu_cap(c, X86_FEATURE_OSPKE);
+ }
+
+ #ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS
+diff --git a/arch/x86/kernel/cpu/mcheck/mce-inject.c b/arch/x86/kernel/cpu/mcheck/mce-inject.c
+index f12141ba9a76..e57b59762f9f 100644
+--- a/arch/x86/kernel/cpu/mcheck/mce-inject.c
++++ b/arch/x86/kernel/cpu/mcheck/mce-inject.c
+@@ -46,8 +46,6 @@
+ static struct mce i_mce;
+ static struct dentry *dfs_inj;
+
+-static u8 n_banks;
+-
+ #define MAX_FLAG_OPT_SIZE 4
+ #define NBCFG 0x44
+
+@@ -570,9 +568,15 @@ err:
+ static int inj_bank_set(void *data, u64 val)
+ {
+ struct mce *m = (struct mce *)data;
++ u8 n_banks;
++ u64 cap;
++
++ /* Get bank count on target CPU so we can handle non-uniform values. */
++ rdmsrl_on_cpu(m->extcpu, MSR_IA32_MCG_CAP, &cap);
++ n_banks = cap & MCG_BANKCNT_MASK;
+
+ if (val >= n_banks) {
+- pr_err("Non-existent MCE bank: %llu\n", val);
++ pr_err("MCA bank %llu non-existent on CPU%d\n", val, m->extcpu);
+ return -EINVAL;
+ }
+
+@@ -665,10 +669,6 @@ static struct dfs_node {
+ static int __init debugfs_init(void)
+ {
+ unsigned int i;
+- u64 cap;
+-
+- rdmsrl(MSR_IA32_MCG_CAP, cap);
+- n_banks = cap & MCG_BANKCNT_MASK;
+
+ dfs_inj = debugfs_create_dir("mce-inject", NULL);
+ if (!dfs_inj)
+diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
+index 0b0e44f85393..95c09db1bba2 100644
+--- a/arch/x86/kernel/cpu/mcheck/mce.c
++++ b/arch/x86/kernel/cpu/mcheck/mce.c
+@@ -1499,13 +1499,12 @@ EXPORT_SYMBOL_GPL(mce_notify_irq);
+ static int __mcheck_cpu_mce_banks_init(void)
+ {
+ int i;
+- u8 num_banks = mca_cfg.banks;
+
+- mce_banks = kzalloc(num_banks * sizeof(struct mce_bank), GFP_KERNEL);
++ mce_banks = kcalloc(MAX_NR_BANKS, sizeof(struct mce_bank), GFP_KERNEL);
+ if (!mce_banks)
+ return -ENOMEM;
+
+- for (i = 0; i < num_banks; i++) {
++ for (i = 0; i < MAX_NR_BANKS; i++) {
+ struct mce_bank *b = &mce_banks[i];
+
+ b->ctl = -1ULL;
+@@ -1519,28 +1518,19 @@ static int __mcheck_cpu_mce_banks_init(void)
+ */
+ static int __mcheck_cpu_cap_init(void)
+ {
+- unsigned b;
+ u64 cap;
++ u8 b;
+
+ rdmsrl(MSR_IA32_MCG_CAP, cap);
+
+ b = cap & MCG_BANKCNT_MASK;
+- if (!mca_cfg.banks)
+- pr_info("CPU supports %d MCE banks\n", b);
+-
+- if (b > MAX_NR_BANKS) {
+- pr_warn("Using only %u machine check banks out of %u\n",
+- MAX_NR_BANKS, b);
++ if (WARN_ON_ONCE(b > MAX_NR_BANKS))
+ b = MAX_NR_BANKS;
+- }
+
+- /* Don't support asymmetric configurations today */
+- WARN_ON(mca_cfg.banks != 0 && b != mca_cfg.banks);
+- mca_cfg.banks = b;
++ mca_cfg.banks = max(mca_cfg.banks, b);
+
+ if (!mce_banks) {
+ int err = __mcheck_cpu_mce_banks_init();
+-
+ if (err)
+ return err;
+ }
+@@ -2470,6 +2460,8 @@ EXPORT_SYMBOL_GPL(mcsafe_key);
+
+ static int __init mcheck_late_init(void)
+ {
++ pr_info("Using %d MCE banks\n", mca_cfg.banks);
++
+ if (mca_cfg.recovery)
+ static_branch_inc(&mcsafe_key);
+
+diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
+index 8e65a9b40c18..d63621386418 100644
+--- a/arch/x86/kvm/svm.c
++++ b/arch/x86/kvm/svm.c
+@@ -1088,6 +1088,47 @@ static int avic_ga_log_notifier(u32 ga_tag)
+ return 0;
+ }
+
++/*
++ * The default MMIO mask is a single bit (excluding the present bit),
++ * which could conflict with the memory encryption bit. Check for
++ * memory encryption support and override the default MMIO mask if
++ * memory encryption is enabled.
++ */
++static __init void svm_adjust_mmio_mask(void)
++{
++ unsigned int enc_bit, mask_bit;
++ u64 msr, mask;
++
++ /* If there is no memory encryption support, use existing mask */
++ if (cpuid_eax(0x80000000) < 0x8000001f)
++ return;
++
++ /* If memory encryption is not enabled, use existing mask */
++ rdmsrl(MSR_K8_SYSCFG, msr);
++ if (!(msr & MSR_K8_SYSCFG_MEM_ENCRYPT))
++ return;
++
++ enc_bit = cpuid_ebx(0x8000001f) & 0x3f;
++ mask_bit = boot_cpu_data.x86_phys_bits;
++
++ /* Increment the mask bit if it is the same as the encryption bit */
++ if (enc_bit == mask_bit)
++ mask_bit++;
++
++ /*
++ * If the mask bit location is below 52, then some bits above the
++ * physical addressing limit will always be reserved, so use the
++ * rsvd_bits() function to generate the mask. This mask, along with
++ * the present bit, will be used to generate a page fault with
++ * PFER.RSV = 1.
++ *
++ * If the mask bit location is 52 (or above), then clear the mask.
++ */
++ mask = (mask_bit < 52) ? rsvd_bits(mask_bit, 51) | PT_PRESENT_MASK : 0;
++
++ kvm_mmu_set_mmio_spte_mask(mask, mask);
++}
++
+ static __init int svm_hardware_setup(void)
+ {
+ int cpu;
+@@ -1123,6 +1164,8 @@ static __init int svm_hardware_setup(void)
+ kvm_enable_efer_bits(EFER_SVME | EFER_LMSLE);
+ }
+
++ svm_adjust_mmio_mask();
++
+ for_each_possible_cpu(cpu) {
+ r = svm_cpu_init(cpu);
+ if (r)
+diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
+index acf72da288f9..f85680b86524 100644
+--- a/arch/x86/kvm/vmx.c
++++ b/arch/x86/kvm/vmx.c
+@@ -12370,6 +12370,7 @@ static int vmx_check_intercept_io(struct kvm_vcpu *vcpu,
+ else
+ intercept = nested_vmx_check_io_bitmaps(vcpu, port, size);
+
++ /* FIXME: produce nested vmexit and return X86EMUL_INTERCEPTED. */
+ return intercept ? X86EMUL_UNHANDLEABLE : X86EMUL_CONTINUE;
+ }
+
+@@ -12399,6 +12400,20 @@ static int vmx_check_intercept(struct kvm_vcpu *vcpu,
+ case x86_intercept_outs:
+ return vmx_check_intercept_io(vcpu, info);
+
++ case x86_intercept_lgdt:
++ case x86_intercept_lidt:
++ case x86_intercept_lldt:
++ case x86_intercept_ltr:
++ case x86_intercept_sgdt:
++ case x86_intercept_sidt:
++ case x86_intercept_sldt:
++ case x86_intercept_str:
++ if (!nested_cpu_has2(vmcs12, SECONDARY_EXEC_DESC))
++ return X86EMUL_CONTINUE;
++
++ /* FIXME: produce nested vmexit and return X86EMUL_INTERCEPTED. */
++ break;
++
+ /* TODO: check more intercepts... */
+ default:
+ break;
+diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c
+index f79a0cdc6b4e..1f8175bf2a5e 100644
+--- a/arch/x86/xen/enlighten_pv.c
++++ b/arch/x86/xen/enlighten_pv.c
+@@ -909,14 +909,15 @@ static u64 xen_read_msr_safe(unsigned int msr, int *err)
+ static int xen_write_msr_safe(unsigned int msr, unsigned low, unsigned high)
+ {
+ int ret;
++#ifdef CONFIG_X86_64
++ unsigned int which;
++ u64 base;
++#endif
+
+ ret = 0;
+
+ switch (msr) {
+ #ifdef CONFIG_X86_64
+- unsigned which;
+- u64 base;
+-
+ case MSR_FS_BASE: which = SEGBASE_FS; goto set;
+ case MSR_KERNEL_GS_BASE: which = SEGBASE_GS_USER; goto set;
+ case MSR_GS_BASE: which = SEGBASE_GS_KERNEL; goto set;
+diff --git a/drivers/acpi/acpi_watchdog.c b/drivers/acpi/acpi_watchdog.c
+index 95600309ce42..23cde3d8e8fb 100644
+--- a/drivers/acpi/acpi_watchdog.c
++++ b/drivers/acpi/acpi_watchdog.c
+@@ -129,12 +129,11 @@ void __init acpi_watchdog_init(void)
+ gas = &entries[i].register_region;
+
+ res.start = gas->address;
++ res.end = res.start + ACPI_ACCESS_BYTE_WIDTH(gas->access_width) - 1;
+ if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
+ res.flags = IORESOURCE_MEM;
+- res.end = res.start + ALIGN(gas->access_width, 4) - 1;
+ } else if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_IO) {
+ res.flags = IORESOURCE_IO;
+- res.end = res.start + gas->access_width - 1;
+ } else {
+ pr_warn("Unsupported address space: %u\n",
+ gas->space_id);
+diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c
+index 941bffd9b49c..0146bc3252c5 100644
+--- a/drivers/char/ipmi/ipmi_ssif.c
++++ b/drivers/char/ipmi/ipmi_ssif.c
+@@ -750,10 +750,14 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result,
+ flags = ipmi_ssif_lock_cond(ssif_info, &oflags);
+ msg = ssif_info->curr_msg;
+ if (msg) {
++ if (data) {
++ if (len > IPMI_MAX_MSG_LENGTH)
++ len = IPMI_MAX_MSG_LENGTH;
++ memcpy(msg->rsp, data, len);
++ } else {
++ len = 0;
++ }
+ msg->rsp_size = len;
+- if (msg->rsp_size > IPMI_MAX_MSG_LENGTH)
+- msg->rsp_size = IPMI_MAX_MSG_LENGTH;
+- memcpy(msg->rsp, data, msg->rsp_size);
+ ssif_info->curr_msg = NULL;
+ }
+
+diff --git a/drivers/char/random.c b/drivers/char/random.c
+index 50d5846acf48..e6efa07e9f9e 100644
+--- a/drivers/char/random.c
++++ b/drivers/char/random.c
+@@ -1598,9 +1598,8 @@ static void _warn_unseeded_randomness(const char *func_name, void *caller,
+ print_once = true;
+ #endif
+ if (__ratelimit(&unseeded_warning))
+- printk_deferred(KERN_NOTICE "random: %s called from %pS "
+- "with crng_init=%d\n", func_name, caller,
+- crng_init);
++ pr_notice("random: %s called from %pS with crng_init=%d\n",
++ func_name, caller, crng_init);
+ }
+
+ /*
+diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
+index 58ec3abfd321..b05e6a15221c 100644
+--- a/drivers/devfreq/devfreq.c
++++ b/drivers/devfreq/devfreq.c
+@@ -513,7 +513,6 @@ struct devfreq *devfreq_add_device(struct device *dev,
+ {
+ struct devfreq *devfreq;
+ struct devfreq_governor *governor;
+- static atomic_t devfreq_no = ATOMIC_INIT(-1);
+ int err = 0;
+
+ if (!dev || !profile || !governor_name) {
+@@ -556,8 +555,7 @@ struct devfreq *devfreq_add_device(struct device *dev,
+ mutex_lock(&devfreq->lock);
+ }
+
+- dev_set_name(&devfreq->dev, "devfreq%d",
+- atomic_inc_return(&devfreq_no));
++ dev_set_name(&devfreq->dev, "%s", dev_name(dev));
+ err = device_register(&devfreq->dev);
+ if (err) {
+ mutex_unlock(&devfreq->lock);
+diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c
+index 6d7d2d54eacf..f0932f25a9b1 100644
+--- a/drivers/dma/coh901318.c
++++ b/drivers/dma/coh901318.c
+@@ -1944,8 +1944,6 @@ static void dma_tc_handle(struct coh901318_chan *cohc)
+ return;
+ }
+
+- spin_lock(&cohc->lock);
+-
+ /*
+ * When we reach this point, at least one queue item
+ * should have been moved over from cohc->queue to
+@@ -1966,8 +1964,6 @@ static void dma_tc_handle(struct coh901318_chan *cohc)
+ if (coh901318_queue_start(cohc) == NULL)
+ cohc->busy = 0;
+
+- spin_unlock(&cohc->lock);
+-
+ /*
+ * This tasklet will remove items from cohc->active
+ * and thus terminates them.
+diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
+index 7db2766b5fe9..3402494cadf9 100644
+--- a/drivers/dma/tegra20-apb-dma.c
++++ b/drivers/dma/tegra20-apb-dma.c
+@@ -288,7 +288,7 @@ static struct tegra_dma_desc *tegra_dma_desc_get(
+
+ /* Do not allocate if desc are waiting for ack */
+ list_for_each_entry(dma_desc, &tdc->free_dma_desc, node) {
+- if (async_tx_test_ack(&dma_desc->txd)) {
++ if (async_tx_test_ack(&dma_desc->txd) && !dma_desc->cb_count) {
+ list_del(&dma_desc->node);
+ spin_unlock_irqrestore(&tdc->lock, flags);
+ dma_desc->txd.flags = 0;
+@@ -755,10 +755,6 @@ static int tegra_dma_terminate_all(struct dma_chan *dc)
+ bool was_busy;
+
+ spin_lock_irqsave(&tdc->lock, flags);
+- if (list_empty(&tdc->pending_sg_req)) {
+- spin_unlock_irqrestore(&tdc->lock, flags);
+- return 0;
+- }
+
+ if (!tdc->busy)
+ goto skip_dma_stop;
+diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
+index 40fb0e7ff8fd..b36abd253786 100644
+--- a/drivers/edac/amd64_edac.c
++++ b/drivers/edac/amd64_edac.c
+@@ -2863,6 +2863,7 @@ static int init_csrows(struct mem_ctl_info *mci)
+ dimm = csrow->channels[j]->dimm;
+ dimm->mtype = pvt->dram_type;
+ dimm->edac_mode = edac_mode;
++ dimm->grain = 64;
+ }
+ }
+
+diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c
+index 02c61a1ad56a..e9f9063dbf63 100644
+--- a/drivers/gpu/drm/i915/gvt/vgpu.c
++++ b/drivers/gpu/drm/i915/gvt/vgpu.c
+@@ -513,9 +513,9 @@ void intel_gvt_reset_vgpu_locked(struct intel_vgpu *vgpu, bool dmlr,
+
+ intel_vgpu_reset_mmio(vgpu, dmlr);
+ populate_pvinfo_page(vgpu);
+- intel_vgpu_reset_display(vgpu);
+
+ if (dmlr) {
++ intel_vgpu_reset_display(vgpu);
+ intel_vgpu_reset_cfg_space(vgpu);
+ /* only reset the failsafe mode when dmlr reset */
+ vgpu->failsafe = false;
+diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c
+index 855248132b2b..9fbfa9f94e6c 100644
+--- a/drivers/gpu/drm/msm/dsi/dsi_manager.c
++++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c
+@@ -400,7 +400,7 @@ static int dsi_mgr_connector_get_modes(struct drm_connector *connector)
+ return num;
+ }
+
+-static int dsi_mgr_connector_mode_valid(struct drm_connector *connector,
++static enum drm_mode_status dsi_mgr_connector_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+ {
+ int id = dsi_mgr_connector_get_id(connector);
+@@ -543,6 +543,7 @@ static void dsi_mgr_bridge_post_disable(struct drm_bridge *bridge)
+ struct msm_dsi *msm_dsi1 = dsi_mgr_get_dsi(DSI_1);
+ struct mipi_dsi_host *host = msm_dsi->host;
+ struct drm_panel *panel = msm_dsi->panel;
++ struct msm_dsi_pll *src_pll;
+ bool is_dual_dsi = IS_DUAL_DSI();
+ int ret;
+
+@@ -583,6 +584,10 @@ static void dsi_mgr_bridge_post_disable(struct drm_bridge *bridge)
+ id, ret);
+ }
+
++ /* Save PLL status if it is a clock source */
++ src_pll = msm_dsi_phy_get_pll(msm_dsi->phy);
++ msm_dsi_pll_save_state(src_pll);
++
+ ret = msm_dsi_host_power_off(host);
+ if (ret)
+ pr_err("%s: host %d power off failed,%d\n", __func__, id, ret);
+diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
+index 7c9bf91bc22b..c0a7fa56d9a7 100644
+--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
++++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
+@@ -613,10 +613,6 @@ void msm_dsi_phy_disable(struct msm_dsi_phy *phy)
+ if (!phy || !phy->cfg->ops.disable)
+ return;
+
+- /* Save PLL status if it is a clock source */
+- if (phy->usecase != MSM_DSI_PHY_SLAVE)
+- msm_dsi_pll_save_state(phy->pll);
+-
+ phy->cfg->ops.disable(phy);
+
+ dsi_phy_regulator_disable(phy);
+diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c
+index 440977677001..99d356b6e915 100644
+--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c
++++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c
+@@ -1004,8 +1004,8 @@ static void mdp5_crtc_wait_for_pp_done(struct drm_crtc *crtc)
+ ret = wait_for_completion_timeout(&mdp5_crtc->pp_completion,
+ msecs_to_jiffies(50));
+ if (ret == 0)
+- dev_warn(dev->dev, "pp done time out, lm=%d\n",
+- mdp5_cstate->pipeline.mixer->lm);
++ dev_warn_ratelimited(dev->dev, "pp done time out, lm=%d\n",
++ mdp5_cstate->pipeline.mixer->lm);
+ }
+
+ static void mdp5_crtc_wait_for_flush_done(struct drm_crtc *crtc)
+diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
+index 77c45a2ebd83..d9c0687435a0 100644
+--- a/drivers/gpu/drm/msm/msm_drv.c
++++ b/drivers/gpu/drm/msm/msm_drv.c
+@@ -420,6 +420,14 @@ static int msm_drm_init(struct device *dev, struct drm_driver *drv)
+ if (ret)
+ goto fail;
+
++ if (!dev->dma_parms) {
++ dev->dma_parms = devm_kzalloc(dev, sizeof(*dev->dma_parms),
++ GFP_KERNEL);
++ if (!dev->dma_parms)
++ return -ENOMEM;
++ }
++ dma_set_max_seg_size(dev, DMA_BIT_MASK(32));
++
+ msm_gem_shrinker_init(ddev);
+
+ switch (get_mdp_ver(pdev)) {
+diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
+index 2d089d3954e3..75b0a337114d 100644
+--- a/drivers/hid/hid-core.c
++++ b/drivers/hid/hid-core.c
+@@ -1567,7 +1567,9 @@ int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, u32 size,
+
+ rsize = ((report->size - 1) >> 3) + 1;
+
+- if (rsize > HID_MAX_BUFFER_SIZE)
++ if (report_enum->numbered && rsize >= HID_MAX_BUFFER_SIZE)
++ rsize = HID_MAX_BUFFER_SIZE - 1;
++ else if (rsize > HID_MAX_BUFFER_SIZE)
+ rsize = HID_MAX_BUFFER_SIZE;
+
+ if (csize < rsize) {
+diff --git a/drivers/hid/hid-ite.c b/drivers/hid/hid-ite.c
+index 2ce1eb0c9212..f2e23f81601e 100644
+--- a/drivers/hid/hid-ite.c
++++ b/drivers/hid/hid-ite.c
+@@ -44,8 +44,9 @@ static const struct hid_device_id ite_devices[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE8595) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_258A, USB_DEVICE_ID_258A_6A88) },
+ /* ITE8595 USB kbd ctlr, with Synaptics touchpad connected to it. */
+- { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS,
+- USB_DEVICE_ID_SYNAPTICS_ACER_SWITCH5_012) },
++ { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
++ USB_VENDOR_ID_SYNAPTICS,
++ USB_DEVICE_ID_SYNAPTICS_ACER_SWITCH5_012) },
+ { }
+ };
+ MODULE_DEVICE_TABLE(hid, ite_devices);
+diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
+index bccd97cdc53f..d9602f3a359e 100644
+--- a/drivers/hid/usbhid/hiddev.c
++++ b/drivers/hid/usbhid/hiddev.c
+@@ -954,9 +954,9 @@ void hiddev_disconnect(struct hid_device *hid)
+ hiddev->exist = 0;
+
+ if (hiddev->open) {
+- mutex_unlock(&hiddev->existancelock);
+ hid_hw_close(hiddev->hid);
+ wake_up_interruptible(&hiddev->wait);
++ mutex_unlock(&hiddev->existancelock);
+ } else {
+ mutex_unlock(&hiddev->existancelock);
+ kfree(hiddev);
+diff --git a/drivers/hwmon/adt7462.c b/drivers/hwmon/adt7462.c
+index 19f2a6d48bac..bdd7679fd298 100644
+--- a/drivers/hwmon/adt7462.c
++++ b/drivers/hwmon/adt7462.c
+@@ -426,7 +426,7 @@ static int ADT7462_REG_VOLT(struct adt7462_data *data, int which)
+ return 0x95;
+ break;
+ }
+- return -ENODEV;
++ return 0;
+ }
+
+ /* Provide labels for sysfs */
+diff --git a/drivers/i2c/busses/i2c-altera.c b/drivers/i2c/busses/i2c-altera.c
+index f5e1941e65b5..a1cdcfc74acf 100644
+--- a/drivers/i2c/busses/i2c-altera.c
++++ b/drivers/i2c/busses/i2c-altera.c
+@@ -182,7 +182,7 @@ static void altr_i2c_init(struct altr_i2c_dev *idev)
+ /* SCL Low Time */
+ writel(t_low, idev->base + ALTR_I2C_SCL_LOW);
+ /* SDA Hold Time, 300ns */
+- writel(div_u64(300 * clk_mhz, 1000), idev->base + ALTR_I2C_SDA_HOLD);
++ writel(3 * clk_mhz / 10, idev->base + ALTR_I2C_SDA_HOLD);
+
+ /* Mask all master interrupt bits */
+ altr_i2c_int_enable(idev, ALTR_I2C_ALL_IRQ, false);
+diff --git a/drivers/i2c/busses/i2c-jz4780.c b/drivers/i2c/busses/i2c-jz4780.c
+index 30132c3957cd..41ca9ff7b5da 100644
+--- a/drivers/i2c/busses/i2c-jz4780.c
++++ b/drivers/i2c/busses/i2c-jz4780.c
+@@ -82,25 +82,6 @@
+ #define JZ4780_I2C_STA_TFNF BIT(1)
+ #define JZ4780_I2C_STA_ACT BIT(0)
+
+-static const char * const jz4780_i2c_abrt_src[] = {
+- "ABRT_7B_ADDR_NOACK",
+- "ABRT_10ADDR1_NOACK",
+- "ABRT_10ADDR2_NOACK",
+- "ABRT_XDATA_NOACK",
+- "ABRT_GCALL_NOACK",
+- "ABRT_GCALL_READ",
+- "ABRT_HS_ACKD",
+- "SBYTE_ACKDET",
+- "ABRT_HS_NORSTRT",
+- "SBYTE_NORSTRT",
+- "ABRT_10B_RD_NORSTRT",
+- "ABRT_MASTER_DIS",
+- "ARB_LOST",
+- "SLVFLUSH_TXFIFO",
+- "SLV_ARBLOST",
+- "SLVRD_INTX",
+-};
+-
+ #define JZ4780_I2C_INTST_IGC BIT(11)
+ #define JZ4780_I2C_INTST_ISTT BIT(10)
+ #define JZ4780_I2C_INTST_ISTP BIT(9)
+@@ -538,21 +519,8 @@ done:
+
+ static void jz4780_i2c_txabrt(struct jz4780_i2c *i2c, int src)
+ {
+- int i;
+-
+- dev_err(&i2c->adap.dev, "txabrt: 0x%08x\n", src);
+- dev_err(&i2c->adap.dev, "device addr=%x\n",
+- jz4780_i2c_readw(i2c, JZ4780_I2C_TAR));
+- dev_err(&i2c->adap.dev, "send cmd count:%d %d\n",
+- i2c->cmd, i2c->cmd_buf[i2c->cmd]);
+- dev_err(&i2c->adap.dev, "receive data count:%d %d\n",
+- i2c->cmd, i2c->data_buf[i2c->cmd]);
+-
+- for (i = 0; i < 16; i++) {
+- if (src & BIT(i))
+- dev_dbg(&i2c->adap.dev, "I2C TXABRT[%d]=%s\n",
+- i, jz4780_i2c_abrt_src[i]);
+- }
++ dev_dbg(&i2c->adap.dev, "txabrt: 0x%08x, cmd: %d, send: %d, recv: %d\n",
++ src, i2c->cmd, i2c->cmd_buf[i2c->cmd], i2c->data_buf[i2c->cmd]);
+ }
+
+ static inline int jz4780_i2c_xfer_read(struct jz4780_i2c *i2c,
+diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
+index 2af79e4f3235..80a8eb7e5d6e 100644
+--- a/drivers/infiniband/core/cm.c
++++ b/drivers/infiniband/core/cm.c
+@@ -1143,6 +1143,7 @@ struct ib_cm_id *ib_cm_insert_listen(struct ib_device *device,
+ /* Sharing an ib_cm_id with different handlers is not
+ * supported */
+ spin_unlock_irqrestore(&cm.lock, flags);
++ ib_destroy_cm_id(cm_id);
+ return ERR_PTR(-EINVAL);
+ }
+ atomic_inc(&cm_id_priv->refcount);
+diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c
+index 30d7277249b8..16b0c10348e8 100644
+--- a/drivers/infiniband/core/iwcm.c
++++ b/drivers/infiniband/core/iwcm.c
+@@ -158,8 +158,10 @@ static void dealloc_work_entries(struct iwcm_id_private *cm_id_priv)
+ {
+ struct list_head *e, *tmp;
+
+- list_for_each_safe(e, tmp, &cm_id_priv->work_free_list)
++ list_for_each_safe(e, tmp, &cm_id_priv->work_free_list) {
++ list_del(e);
+ kfree(list_entry(e, struct iwcm_work, free_list));
++ }
+ }
+
+ static int alloc_work_entries(struct iwcm_id_private *cm_id_priv, int count)
+diff --git a/drivers/infiniband/core/security.c b/drivers/infiniband/core/security.c
+index 9b8276691329..ce8e3009344a 100644
+--- a/drivers/infiniband/core/security.c
++++ b/drivers/infiniband/core/security.c
+@@ -339,15 +339,19 @@ static struct ib_ports_pkeys *get_new_pps(const struct ib_qp *qp,
+ return NULL;
+
+ if (qp_attr_mask & IB_QP_PORT)
+- new_pps->main.port_num =
+- (qp_pps) ? qp_pps->main.port_num : qp_attr->port_num;
++ new_pps->main.port_num = qp_attr->port_num;
++ else if (qp_pps)
++ new_pps->main.port_num = qp_pps->main.port_num;
++
+ if (qp_attr_mask & IB_QP_PKEY_INDEX)
+- new_pps->main.pkey_index = (qp_pps) ? qp_pps->main.pkey_index :
+- qp_attr->pkey_index;
++ new_pps->main.pkey_index = qp_attr->pkey_index;
++ else if (qp_pps)
++ new_pps->main.pkey_index = qp_pps->main.pkey_index;
++
+ if ((qp_attr_mask & IB_QP_PKEY_INDEX) && (qp_attr_mask & IB_QP_PORT))
+ new_pps->main.state = IB_PORT_PKEY_VALID;
+
+- if (!(qp_attr_mask & (IB_QP_PKEY_INDEX || IB_QP_PORT)) && qp_pps) {
++ if (!(qp_attr_mask & (IB_QP_PKEY_INDEX | IB_QP_PORT)) && qp_pps) {
+ new_pps->main.port_num = qp_pps->main.port_num;
+ new_pps->main.pkey_index = qp_pps->main.pkey_index;
+ if (qp_pps->main.state != IB_PORT_PKEY_NOT_VALID)
+diff --git a/drivers/infiniband/hw/hfi1/verbs.c b/drivers/infiniband/hw/hfi1/verbs.c
+index ad78b471c112..b962dbcfe9a7 100644
+--- a/drivers/infiniband/hw/hfi1/verbs.c
++++ b/drivers/infiniband/hw/hfi1/verbs.c
+@@ -593,10 +593,11 @@ static inline void hfi1_handle_packet(struct hfi1_packet *packet,
+ opa_get_lid(packet->dlid, 9B));
+ if (!mcast)
+ goto drop;
++ rcu_read_lock();
+ list_for_each_entry_rcu(p, &mcast->qp_list, list) {
+ packet->qp = p->qp;
+ if (hfi1_do_pkey_check(packet))
+- goto drop;
++ goto unlock_drop;
+ spin_lock_irqsave(&packet->qp->r_lock, flags);
+ packet_handler = qp_ok(packet);
+ if (likely(packet_handler))
+@@ -605,6 +606,7 @@ static inline void hfi1_handle_packet(struct hfi1_packet *packet,
+ ibp->rvp.n_pkt_drops++;
+ spin_unlock_irqrestore(&packet->qp->r_lock, flags);
+ }
++ rcu_read_unlock();
+ /*
+ * Notify rvt_multicast_detach() if it is waiting for us
+ * to finish.
+diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c
+index 350bc29a066f..b473df8eea1a 100644
+--- a/drivers/infiniband/hw/qib/qib_verbs.c
++++ b/drivers/infiniband/hw/qib/qib_verbs.c
+@@ -360,8 +360,10 @@ void qib_ib_rcv(struct qib_ctxtdata *rcd, void *rhdr, void *data, u32 tlen)
+ if (mcast == NULL)
+ goto drop;
+ this_cpu_inc(ibp->pmastats->n_multicast_rcv);
++ rcu_read_lock();
+ list_for_each_entry_rcu(p, &mcast->qp_list, list)
+ qib_qp_rcv(rcd, hdr, 1, data, tlen, p->qp);
++ rcu_read_unlock();
+ /*
+ * Notify rvt_multicast_detach() if it is waiting for us
+ * to finish.
+diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
+index b5f541112fca..69cdb29ef6be 100644
+--- a/drivers/md/dm-cache-target.c
++++ b/drivers/md/dm-cache-target.c
+@@ -2971,8 +2971,8 @@ static void cache_postsuspend(struct dm_target *ti)
+ prevent_background_work(cache);
+ BUG_ON(atomic_read(&cache->nr_io_migrations));
+
+- cancel_delayed_work(&cache->waker);
+- flush_workqueue(cache->wq);
++ cancel_delayed_work_sync(&cache->waker);
++ drain_workqueue(cache->wq);
+ WARN_ON(cache->tracker.in_flight);
+
+ /*
+diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
+index 23f0f4eaaa2e..b6ca5b1100db 100644
+--- a/drivers/md/dm-integrity.c
++++ b/drivers/md/dm-integrity.c
+@@ -187,6 +187,7 @@ struct dm_integrity_c {
+ struct rb_root in_progress;
+ wait_queue_head_t endio_wait;
+ struct workqueue_struct *wait_wq;
++ struct workqueue_struct *offload_wq;
+
+ unsigned char commit_seq;
+ commit_id_t commit_ids[N_COMMIT_IDS];
+@@ -1157,7 +1158,7 @@ static void dec_in_flight(struct dm_integrity_io *dio)
+ dio->range.logical_sector += dio->range.n_sectors;
+ bio_advance(bio, dio->range.n_sectors << SECTOR_SHIFT);
+ INIT_WORK(&dio->work, integrity_bio_wait);
+- queue_work(ic->wait_wq, &dio->work);
++ queue_work(ic->offload_wq, &dio->work);
+ return;
+ }
+ do_endio_flush(ic, dio);
+@@ -1577,7 +1578,7 @@ static void dm_integrity_map_continue(struct dm_integrity_io *dio, bool from_map
+
+ if (need_sync_io && from_map) {
+ INIT_WORK(&dio->work, integrity_bio_wait);
+- queue_work(ic->metadata_wq, &dio->work);
++ queue_work(ic->offload_wq, &dio->work);
+ return;
+ }
+
+@@ -3005,6 +3006,14 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned argc, char **argv)
+ goto bad;
+ }
+
++ ic->offload_wq = alloc_workqueue("dm-integrity-offload", WQ_MEM_RECLAIM,
++ METADATA_WORKQUEUE_MAX_ACTIVE);
++ if (!ic->offload_wq) {
++ ti->error = "Cannot allocate workqueue";
++ r = -ENOMEM;
++ goto bad;
++ }
++
+ ic->commit_wq = alloc_workqueue("dm-integrity-commit", WQ_MEM_RECLAIM, 1);
+ if (!ic->commit_wq) {
+ ti->error = "Cannot allocate workqueue";
+@@ -3189,6 +3198,8 @@ static void dm_integrity_dtr(struct dm_target *ti)
+ destroy_workqueue(ic->metadata_wq);
+ if (ic->wait_wq)
+ destroy_workqueue(ic->wait_wq);
++ if (ic->offload_wq)
++ destroy_workqueue(ic->offload_wq);
+ if (ic->commit_wq)
+ destroy_workqueue(ic->commit_wq);
+ if (ic->writer_wq)
+diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
+index 747062f04bb5..6bca42e34a53 100644
+--- a/drivers/net/dsa/bcm_sf2.c
++++ b/drivers/net/dsa/bcm_sf2.c
+@@ -138,8 +138,7 @@ static void bcm_sf2_imp_setup(struct dsa_switch *ds, int port)
+ /* Force link status for IMP port */
+ reg = core_readl(priv, offset);
+ reg |= (MII_SW_OR | LINK_STS);
+- if (priv->type == BCM7278_DEVICE_ID)
+- reg |= GMII_SPEED_UP_2G;
++ reg &= ~GMII_SPEED_UP_2G;
+ core_writel(priv, reg, offset);
+
+ /* Enable Broadcast, Multicast, Unicast forwarding to IMP port */
+diff --git a/drivers/net/ethernet/amazon/ena/ena_com.c b/drivers/net/ethernet/amazon/ena/ena_com.c
+index 10e6053f6671..dc9149a32f41 100644
+--- a/drivers/net/ethernet/amazon/ena/ena_com.c
++++ b/drivers/net/ethernet/amazon/ena/ena_com.c
+@@ -199,6 +199,11 @@ static inline void comp_ctxt_release(struct ena_com_admin_queue *queue,
+ static struct ena_comp_ctx *get_comp_ctxt(struct ena_com_admin_queue *queue,
+ u16 command_id, bool capture)
+ {
++ if (unlikely(!queue->comp_ctx)) {
++ pr_err("Completion context is NULL\n");
++ return NULL;
++ }
++
+ if (unlikely(command_id >= queue->q_depth)) {
+ pr_err("command id is larger than the queue size. cmd_id: %u queue size %d\n",
+ command_id, queue->q_depth);
+@@ -843,6 +848,24 @@ static int ena_com_get_feature(struct ena_com_dev *ena_dev,
+ 0);
+ }
+
++static void ena_com_hash_key_fill_default_key(struct ena_com_dev *ena_dev)
++{
++ struct ena_admin_feature_rss_flow_hash_control *hash_key =
++ (ena_dev->rss).hash_key;
++
++ netdev_rss_key_fill(&hash_key->key, sizeof(hash_key->key));
++ /* The key is stored in the device in u32 array
++ * as well as the API requires the key to be passed in this
++ * format. Thus the size of our array should be divided by 4
++ */
++ hash_key->keys_num = sizeof(hash_key->key) / sizeof(u32);
++}
++
++int ena_com_get_current_hash_function(struct ena_com_dev *ena_dev)
++{
++ return ena_dev->rss.hash_func;
++}
++
+ static int ena_com_hash_key_allocate(struct ena_com_dev *ena_dev)
+ {
+ struct ena_rss *rss = &ena_dev->rss;
+@@ -2069,15 +2092,16 @@ int ena_com_fill_hash_function(struct ena_com_dev *ena_dev,
+
+ switch (func) {
+ case ENA_ADMIN_TOEPLITZ:
+- if (key_len > sizeof(hash_key->key)) {
+- pr_err("key len (%hu) is bigger than the max supported (%zu)\n",
+- key_len, sizeof(hash_key->key));
+- return -EINVAL;
++ if (key) {
++ if (key_len != sizeof(hash_key->key)) {
++ pr_err("key len (%hu) doesn't equal the supported size (%zu)\n",
++ key_len, sizeof(hash_key->key));
++ return -EINVAL;
++ }
++ memcpy(hash_key->key, key, key_len);
++ rss->hash_init_val = init_val;
++ hash_key->keys_num = key_len >> 2;
+ }
+-
+- memcpy(hash_key->key, key, key_len);
+- rss->hash_init_val = init_val;
+- hash_key->keys_num = key_len >> 2;
+ break;
+ case ENA_ADMIN_CRC32:
+ rss->hash_init_val = init_val;
+@@ -2114,7 +2138,11 @@ int ena_com_get_hash_function(struct ena_com_dev *ena_dev,
+ if (unlikely(rc))
+ return rc;
+
+- rss->hash_func = get_resp.u.flow_hash_func.selected_func;
++ /* ffs() returns 1 in case the lsb is set */
++ rss->hash_func = ffs(get_resp.u.flow_hash_func.selected_func);
++ if (rss->hash_func)
++ rss->hash_func--;
++
+ if (func)
+ *func = rss->hash_func;
+
+@@ -2402,6 +2430,8 @@ int ena_com_rss_init(struct ena_com_dev *ena_dev, u16 indr_tbl_log_size)
+ if (unlikely(rc))
+ goto err_hash_key;
+
++ ena_com_hash_key_fill_default_key(ena_dev);
++
+ rc = ena_com_hash_ctrl_init(ena_dev);
+ if (unlikely(rc))
+ goto err_hash_ctrl;
+diff --git a/drivers/net/ethernet/amazon/ena/ena_com.h b/drivers/net/ethernet/amazon/ena/ena_com.h
+index 7b784f8a06a6..7272fb0d858d 100644
+--- a/drivers/net/ethernet/amazon/ena/ena_com.h
++++ b/drivers/net/ethernet/amazon/ena/ena_com.h
+@@ -42,6 +42,7 @@
+ #include <linux/spinlock.h>
+ #include <linux/types.h>
+ #include <linux/wait.h>
++#include <linux/netdevice.h>
+
+ #include "ena_common_defs.h"
+ #include "ena_admin_defs.h"
+@@ -631,6 +632,14 @@ int ena_com_rss_init(struct ena_com_dev *ena_dev, u16 log_size);
+ */
+ void ena_com_rss_destroy(struct ena_com_dev *ena_dev);
+
++/* ena_com_get_current_hash_function - Get RSS hash function
++ * @ena_dev: ENA communication layer struct
++ *
++ * Return the current hash function.
++ * @return: 0 or one of the ena_admin_hash_functions values.
++ */
++int ena_com_get_current_hash_function(struct ena_com_dev *ena_dev);
++
+ /* ena_com_fill_hash_function - Fill RSS hash function
+ * @ena_dev: ENA communication layer struct
+ * @func: The hash function (Toeplitz or crc)
+diff --git a/drivers/net/ethernet/amazon/ena/ena_ethtool.c b/drivers/net/ethernet/amazon/ena/ena_ethtool.c
+index a2f02c23fe14..d29e256bf610 100644
+--- a/drivers/net/ethernet/amazon/ena/ena_ethtool.c
++++ b/drivers/net/ethernet/amazon/ena/ena_ethtool.c
+@@ -648,6 +648,28 @@ static u32 ena_get_rxfh_key_size(struct net_device *netdev)
+ return ENA_HASH_KEY_SIZE;
+ }
+
++static int ena_indirection_table_get(struct ena_adapter *adapter, u32 *indir)
++{
++ struct ena_com_dev *ena_dev = adapter->ena_dev;
++ int i, rc;
++
++ if (!indir)
++ return 0;
++
++ rc = ena_com_indirect_table_get(ena_dev, indir);
++ if (rc)
++ return rc;
++
++ /* Our internal representation of the indices is: even indices
++ * for Tx and uneven indices for Rx. We need to convert the Rx
++ * indices to be consecutive
++ */
++ for (i = 0; i < ENA_RX_RSS_TABLE_SIZE; i++)
++ indir[i] = ENA_IO_RXQ_IDX_TO_COMBINED_IDX(indir[i]);
++
++ return rc;
++}
++
+ static int ena_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
+ u8 *hfunc)
+ {
+@@ -656,11 +678,25 @@ static int ena_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
+ u8 func;
+ int rc;
+
+- rc = ena_com_indirect_table_get(adapter->ena_dev, indir);
++ rc = ena_indirection_table_get(adapter, indir);
+ if (rc)
+ return rc;
+
++ /* We call this function in order to check if the device
++ * supports getting/setting the hash function.
++ */
+ rc = ena_com_get_hash_function(adapter->ena_dev, &ena_func, key);
++
++ if (rc) {
++ if (rc == -EOPNOTSUPP) {
++ key = NULL;
++ hfunc = NULL;
++ rc = 0;
++ }
++
++ return rc;
++ }
++
+ if (rc)
+ return rc;
+
+@@ -669,7 +705,7 @@ static int ena_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
+ func = ETH_RSS_HASH_TOP;
+ break;
+ case ENA_ADMIN_CRC32:
+- func = ETH_RSS_HASH_XOR;
++ func = ETH_RSS_HASH_CRC32;
+ break;
+ default:
+ netif_err(adapter, drv, netdev,
+@@ -712,10 +748,13 @@ static int ena_set_rxfh(struct net_device *netdev, const u32 *indir,
+ }
+
+ switch (hfunc) {
++ case ETH_RSS_HASH_NO_CHANGE:
++ func = ena_com_get_current_hash_function(ena_dev);
++ break;
+ case ETH_RSS_HASH_TOP:
+ func = ENA_ADMIN_TOEPLITZ;
+ break;
+- case ETH_RSS_HASH_XOR:
++ case ETH_RSS_HASH_CRC32:
+ func = ENA_ADMIN_CRC32;
+ break;
+ default:
+@@ -816,6 +855,7 @@ static const struct ethtool_ops ena_ethtool_ops = {
+ .get_channels = ena_get_channels,
+ .get_tunable = ena_get_tunable,
+ .set_tunable = ena_set_tunable,
++ .get_ts_info = ethtool_op_get_ts_info,
+ };
+
+ void ena_set_ethtool_ops(struct net_device *netdev)
+diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
+index 518ff393a026..d9ece9ac6f53 100644
+--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
++++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
+@@ -2803,8 +2803,8 @@ static void check_for_missing_keep_alive(struct ena_adapter *adapter)
+ if (adapter->keep_alive_timeout == ENA_HW_HINTS_NO_TIMEOUT)
+ return;
+
+- keep_alive_expired = round_jiffies(adapter->last_keep_alive_jiffies +
+- adapter->keep_alive_timeout);
++ keep_alive_expired = adapter->last_keep_alive_jiffies +
++ adapter->keep_alive_timeout;
+ if (unlikely(time_is_before_jiffies(keep_alive_expired))) {
+ netif_err(adapter, drv, adapter->netdev,
+ "Keep alive watchdog timeout.\n");
+@@ -2906,7 +2906,7 @@ static void ena_timer_service(unsigned long data)
+ }
+
+ /* Reset the timer */
+- mod_timer(&adapter->timer_service, jiffies + HZ);
++ mod_timer(&adapter->timer_service, round_jiffies(jiffies + HZ));
+ }
+
+ static int ena_calc_io_queue_num(struct pci_dev *pdev,
+diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.h b/drivers/net/ethernet/amazon/ena/ena_netdev.h
+index 3404376c28ca..5a72267b858b 100644
+--- a/drivers/net/ethernet/amazon/ena/ena_netdev.h
++++ b/drivers/net/ethernet/amazon/ena/ena_netdev.h
+@@ -113,6 +113,8 @@
+
+ #define ENA_IO_TXQ_IDX(q) (2 * (q))
+ #define ENA_IO_RXQ_IDX(q) (2 * (q) + 1)
++#define ENA_IO_TXQ_IDX_TO_COMBINED_IDX(q) ((q) / 2)
++#define ENA_IO_RXQ_IDX_TO_COMBINED_IDX(q) (((q) - 1) / 2)
+
+ #define ENA_MGMNT_IRQ_IDX 0
+ #define ENA_IO_IRQ_FIRST_IDX 1
+diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
+index 50dd6bf176d0..3a489b2b99c9 100644
+--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
++++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
+@@ -2034,7 +2034,7 @@ static int xgene_enet_probe(struct platform_device *pdev)
+ int ret;
+
+ ndev = alloc_etherdev_mqs(sizeof(struct xgene_enet_pdata),
+- XGENE_NUM_RX_RING, XGENE_NUM_TX_RING);
++ XGENE_NUM_TX_RING, XGENE_NUM_RX_RING);
+ if (!ndev)
+ return -ENOMEM;
+
+diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
+index a69f5f1ad32a..7a900f76c9ac 100644
+--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
++++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
+@@ -519,8 +519,10 @@ static unsigned int aq_nic_map_skb(struct aq_nic_s *self,
+ dx_buff->len,
+ DMA_TO_DEVICE);
+
+- if (unlikely(dma_mapping_error(aq_nic_get_dev(self), dx_buff->pa)))
++ if (unlikely(dma_mapping_error(aq_nic_get_dev(self), dx_buff->pa))) {
++ ret = 0;
+ goto exit;
++ }
+
+ first = dx_buff;
+ dx_buff->len_pkt = skb->len;
+diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
+index 586e35593310..d678f088925c 100644
+--- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
++++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
+@@ -234,10 +234,19 @@ void bgx_lmac_rx_tx_enable(int node, int bgx_idx, int lmacid, bool enable)
+ lmac = &bgx->lmac[lmacid];
+
+ cfg = bgx_reg_read(bgx, lmacid, BGX_CMRX_CFG);
+- if (enable)
++ if (enable) {
+ cfg |= CMR_PKT_RX_EN | CMR_PKT_TX_EN;
+- else
++
++ /* enable TX FIFO Underflow interrupt */
++ bgx_reg_modify(bgx, lmacid, BGX_GMP_GMI_TXX_INT_ENA_W1S,
++ GMI_TXX_INT_UNDFLW);
++ } else {
+ cfg &= ~(CMR_PKT_RX_EN | CMR_PKT_TX_EN);
++
++ /* Disable TX FIFO Underflow interrupt */
++ bgx_reg_modify(bgx, lmacid, BGX_GMP_GMI_TXX_INT_ENA_W1C,
++ GMI_TXX_INT_UNDFLW);
++ }
+ bgx_reg_write(bgx, lmacid, BGX_CMRX_CFG, cfg);
+
+ if (bgx->is_rgx)
+@@ -1340,6 +1349,48 @@ static int bgx_init_phy(struct bgx *bgx)
+ return bgx_init_of_phy(bgx);
+ }
+
++static irqreturn_t bgx_intr_handler(int irq, void *data)
++{
++ struct bgx *bgx = (struct bgx *)data;
++ u64 status, val;
++ int lmac;
++
++ for (lmac = 0; lmac < bgx->lmac_count; lmac++) {
++ status = bgx_reg_read(bgx, lmac, BGX_GMP_GMI_TXX_INT);
++ if (status & GMI_TXX_INT_UNDFLW) {
++ pci_err(bgx->pdev, "BGX%d lmac%d UNDFLW\n",
++ bgx->bgx_id, lmac);
++ val = bgx_reg_read(bgx, lmac, BGX_CMRX_CFG);
++ val &= ~CMR_EN;
++ bgx_reg_write(bgx, lmac, BGX_CMRX_CFG, val);
++ val |= CMR_EN;
++ bgx_reg_write(bgx, lmac, BGX_CMRX_CFG, val);
++ }
++ /* clear interrupts */
++ bgx_reg_write(bgx, lmac, BGX_GMP_GMI_TXX_INT, status);
++ }
++
++ return IRQ_HANDLED;
++}
++
++static void bgx_register_intr(struct pci_dev *pdev)
++{
++ struct bgx *bgx = pci_get_drvdata(pdev);
++ int ret;
++
++ ret = pci_alloc_irq_vectors(pdev, BGX_LMAC_VEC_OFFSET,
++ BGX_LMAC_VEC_OFFSET, PCI_IRQ_ALL_TYPES);
++ if (ret < 0) {
++ pci_err(pdev, "Req for #%d msix vectors failed\n",
++ BGX_LMAC_VEC_OFFSET);
++ return;
++ }
++ ret = pci_request_irq(pdev, GMPX_GMI_TX_INT, bgx_intr_handler, NULL,
++ bgx, "BGX%d", bgx->bgx_id);
++ if (ret)
++ pci_free_irq(pdev, GMPX_GMI_TX_INT, bgx);
++}
++
+ static int bgx_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+ {
+ int err;
+@@ -1355,7 +1406,7 @@ static int bgx_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+
+ pci_set_drvdata(pdev, bgx);
+
+- err = pci_enable_device(pdev);
++ err = pcim_enable_device(pdev);
+ if (err) {
+ dev_err(dev, "Failed to enable PCI device\n");
+ pci_set_drvdata(pdev, NULL);
+@@ -1409,6 +1460,8 @@ static int bgx_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+
+ bgx_init_hw(bgx);
+
++ bgx_register_intr(pdev);
++
+ /* Enable all LMACs */
+ for (lmac = 0; lmac < bgx->lmac_count; lmac++) {
+ err = bgx_lmac_enable(bgx, lmac);
+@@ -1425,6 +1478,7 @@ static int bgx_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+
+ err_enable:
+ bgx_vnic[bgx->bgx_id] = NULL;
++ pci_free_irq(pdev, GMPX_GMI_TX_INT, bgx);
+ err_release_regions:
+ pci_release_regions(pdev);
+ err_disable_device:
+@@ -1442,6 +1496,8 @@ static void bgx_remove(struct pci_dev *pdev)
+ for (lmac = 0; lmac < bgx->lmac_count; lmac++)
+ bgx_lmac_disable(bgx, lmac);
+
++ pci_free_irq(pdev, GMPX_GMI_TX_INT, bgx);
++
+ bgx_vnic[bgx->bgx_id] = NULL;
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.h b/drivers/net/ethernet/cavium/thunder/thunder_bgx.h
+index 23acdc5ab896..adaa3bfa5f6c 100644
+--- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.h
++++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.h
+@@ -179,6 +179,15 @@
+ #define BGX_GMP_GMI_TXX_BURST 0x38228
+ #define BGX_GMP_GMI_TXX_MIN_PKT 0x38240
+ #define BGX_GMP_GMI_TXX_SGMII_CTL 0x38300
++#define BGX_GMP_GMI_TXX_INT 0x38500
++#define BGX_GMP_GMI_TXX_INT_W1S 0x38508
++#define BGX_GMP_GMI_TXX_INT_ENA_W1C 0x38510
++#define BGX_GMP_GMI_TXX_INT_ENA_W1S 0x38518
++#define GMI_TXX_INT_PTP_LOST BIT_ULL(4)
++#define GMI_TXX_INT_LATE_COL BIT_ULL(3)
++#define GMI_TXX_INT_XSDEF BIT_ULL(2)
++#define GMI_TXX_INT_XSCOL BIT_ULL(1)
++#define GMI_TXX_INT_UNDFLW BIT_ULL(0)
+
+ #define BGX_MSIX_VEC_0_29_ADDR 0x400000 /* +(0..29) << 4 */
+ #define BGX_MSIX_VEC_0_29_CTL 0x400008
+diff --git a/drivers/net/ethernet/micrel/ks8851_mll.c b/drivers/net/ethernet/micrel/ks8851_mll.c
+index adbe0a6fe0db..799154d7c047 100644
+--- a/drivers/net/ethernet/micrel/ks8851_mll.c
++++ b/drivers/net/ethernet/micrel/ks8851_mll.c
+@@ -474,24 +474,6 @@ static int msg_enable;
+ * chip is busy transferring packet data (RX/TX FIFO accesses).
+ */
+
+-/**
+- * ks_rdreg8 - read 8 bit register from device
+- * @ks : The chip information
+- * @offset: The register address
+- *
+- * Read a 8bit register from the chip, returning the result
+- */
+-static u8 ks_rdreg8(struct ks_net *ks, int offset)
+-{
+- u16 data;
+- u8 shift_bit = offset & 0x03;
+- u8 shift_data = (offset & 1) << 3;
+- ks->cmd_reg_cache = (u16) offset | (u16)(BE0 << shift_bit);
+- iowrite16(ks->cmd_reg_cache, ks->hw_addr_cmd);
+- data = ioread16(ks->hw_addr);
+- return (u8)(data >> shift_data);
+-}
+-
+ /**
+ * ks_rdreg16 - read 16 bit register from device
+ * @ks : The chip information
+@@ -502,27 +484,11 @@ static u8 ks_rdreg8(struct ks_net *ks, int offset)
+
+ static u16 ks_rdreg16(struct ks_net *ks, int offset)
+ {
+- ks->cmd_reg_cache = (u16)offset | ((BE1 | BE0) << (offset & 0x02));
++ ks->cmd_reg_cache = (u16)offset | ((BE3 | BE2) >> (offset & 0x02));
+ iowrite16(ks->cmd_reg_cache, ks->hw_addr_cmd);
+ return ioread16(ks->hw_addr);
+ }
+
+-/**
+- * ks_wrreg8 - write 8bit register value to chip
+- * @ks: The chip information
+- * @offset: The register address
+- * @value: The value to write
+- *
+- */
+-static void ks_wrreg8(struct ks_net *ks, int offset, u8 value)
+-{
+- u8 shift_bit = (offset & 0x03);
+- u16 value_write = (u16)(value << ((offset & 1) << 3));
+- ks->cmd_reg_cache = (u16)offset | (BE0 << shift_bit);
+- iowrite16(ks->cmd_reg_cache, ks->hw_addr_cmd);
+- iowrite16(value_write, ks->hw_addr);
+-}
+-
+ /**
+ * ks_wrreg16 - write 16bit register value to chip
+ * @ks: The chip information
+@@ -533,7 +499,7 @@ static void ks_wrreg8(struct ks_net *ks, int offset, u8 value)
+
+ static void ks_wrreg16(struct ks_net *ks, int offset, u16 value)
+ {
+- ks->cmd_reg_cache = (u16)offset | ((BE1 | BE0) << (offset & 0x02));
++ ks->cmd_reg_cache = (u16)offset | ((BE3 | BE2) >> (offset & 0x02));
+ iowrite16(ks->cmd_reg_cache, ks->hw_addr_cmd);
+ iowrite16(value, ks->hw_addr);
+ }
+@@ -549,7 +515,7 @@ static inline void ks_inblk(struct ks_net *ks, u16 *wptr, u32 len)
+ {
+ len >>= 1;
+ while (len--)
+- *wptr++ = (u16)ioread16(ks->hw_addr);
++ *wptr++ = be16_to_cpu(ioread16(ks->hw_addr));
+ }
+
+ /**
+@@ -563,7 +529,7 @@ static inline void ks_outblk(struct ks_net *ks, u16 *wptr, u32 len)
+ {
+ len >>= 1;
+ while (len--)
+- iowrite16(*wptr++, ks->hw_addr);
++ iowrite16(cpu_to_be16(*wptr++), ks->hw_addr);
+ }
+
+ static void ks_disable_int(struct ks_net *ks)
+@@ -642,8 +608,7 @@ static void ks_read_config(struct ks_net *ks)
+ u16 reg_data = 0;
+
+ /* Regardless of bus width, 8 bit read should always work.*/
+- reg_data = ks_rdreg8(ks, KS_CCR) & 0x00FF;
+- reg_data |= ks_rdreg8(ks, KS_CCR+1) << 8;
++ reg_data = ks_rdreg16(ks, KS_CCR);
+
+ /* addr/data bus are multiplexed */
+ ks->sharedbus = (reg_data & CCR_SHARED) == CCR_SHARED;
+@@ -747,7 +712,7 @@ static inline void ks_read_qmu(struct ks_net *ks, u16 *buf, u32 len)
+
+ /* 1. set sudo DMA mode */
+ ks_wrreg16(ks, KS_RXFDPR, RXFDPR_RXFPAI);
+- ks_wrreg8(ks, KS_RXQCR, (ks->rc_rxqcr | RXQCR_SDA) & 0xff);
++ ks_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr | RXQCR_SDA);
+
+ /* 2. read prepend data */
+ /**
+@@ -764,7 +729,7 @@ static inline void ks_read_qmu(struct ks_net *ks, u16 *buf, u32 len)
+ ks_inblk(ks, buf, ALIGN(len, 4));
+
+ /* 4. reset sudo DMA Mode */
+- ks_wrreg8(ks, KS_RXQCR, ks->rc_rxqcr);
++ ks_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr);
+ }
+
+ /**
+@@ -997,13 +962,13 @@ static void ks_write_qmu(struct ks_net *ks, u8 *pdata, u16 len)
+ ks->txh.txw[1] = cpu_to_le16(len);
+
+ /* 1. set sudo-DMA mode */
+- ks_wrreg8(ks, KS_RXQCR, (ks->rc_rxqcr | RXQCR_SDA) & 0xff);
++ ks_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr | RXQCR_SDA);
+ /* 2. write status/lenth info */
+ ks_outblk(ks, ks->txh.txw, 4);
+ /* 3. write pkt data */
+ ks_outblk(ks, (u16 *)pdata, ALIGN(len, 4));
+ /* 4. reset sudo-DMA mode */
+- ks_wrreg8(ks, KS_RXQCR, ks->rc_rxqcr);
++ ks_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr);
+ /* 5. Enqueue Tx(move the pkt from TX buffer into TXQ) */
+ ks_wrreg16(ks, KS_TXQCR, TXQCR_METFE);
+ /* 6. wait until TXQCR_METFE is auto-cleared */
+diff --git a/drivers/net/ethernet/qlogic/qede/qede.h b/drivers/net/ethernet/qlogic/qede/qede.h
+index adb700512baa..a80531b5aecc 100644
+--- a/drivers/net/ethernet/qlogic/qede/qede.h
++++ b/drivers/net/ethernet/qlogic/qede/qede.h
+@@ -156,6 +156,8 @@ struct qede_rdma_dev {
+ struct list_head entry;
+ struct list_head rdma_event_list;
+ struct workqueue_struct *rdma_wq;
++ struct kref refcnt;
++ struct completion event_comp;
+ };
+
+ struct qede_ptp;
+diff --git a/drivers/net/ethernet/qlogic/qede/qede_rdma.c b/drivers/net/ethernet/qlogic/qede/qede_rdma.c
+index 1900bf7e67d1..cd12fb919ad5 100644
+--- a/drivers/net/ethernet/qlogic/qede/qede_rdma.c
++++ b/drivers/net/ethernet/qlogic/qede/qede_rdma.c
+@@ -57,6 +57,9 @@ static void _qede_rdma_dev_add(struct qede_dev *edev)
+ static int qede_rdma_create_wq(struct qede_dev *edev)
+ {
+ INIT_LIST_HEAD(&edev->rdma_info.rdma_event_list);
++ kref_init(&edev->rdma_info.refcnt);
++ init_completion(&edev->rdma_info.event_comp);
++
+ edev->rdma_info.rdma_wq = create_singlethread_workqueue("rdma_wq");
+ if (!edev->rdma_info.rdma_wq) {
+ DP_NOTICE(edev, "qedr: Could not create workqueue\n");
+@@ -81,8 +84,23 @@ static void qede_rdma_cleanup_event(struct qede_dev *edev)
+ }
+ }
+
++static void qede_rdma_complete_event(struct kref *ref)
++{
++ struct qede_rdma_dev *rdma_dev =
++ container_of(ref, struct qede_rdma_dev, refcnt);
++
++ /* no more events will be added after this */
++ complete(&rdma_dev->event_comp);
++}
++
+ static void qede_rdma_destroy_wq(struct qede_dev *edev)
+ {
++ /* Avoid race with add_event flow, make sure it finishes before
++ * we start accessing the list and cleaning up the work
++ */
++ kref_put(&edev->rdma_info.refcnt, qede_rdma_complete_event);
++ wait_for_completion(&edev->rdma_info.event_comp);
++
+ qede_rdma_cleanup_event(edev);
+ destroy_workqueue(edev->rdma_info.rdma_wq);
+ }
+@@ -287,15 +305,24 @@ static void qede_rdma_add_event(struct qede_dev *edev,
+ if (!edev->rdma_info.qedr_dev)
+ return;
+
++ /* We don't want the cleanup flow to start while we're allocating and
++ * scheduling the work
++ */
++ if (!kref_get_unless_zero(&edev->rdma_info.refcnt))
++ return; /* already being destroyed */
++
+ event_node = qede_rdma_get_free_event_node(edev);
+ if (!event_node)
+- return;
++ goto out;
+
+ event_node->event = event;
+ event_node->ptr = edev;
+
+ INIT_WORK(&event_node->work, qede_rdma_handle_event);
+ queue_work(edev->rdma_info.rdma_wq, &event_node->work);
++
++out:
++ kref_put(&edev->rdma_info.refcnt, qede_rdma_complete_event);
+ }
+
+ void qede_rdma_dev_event_open(struct qede_dev *edev)
+diff --git a/drivers/net/phy/mdio-bcm-iproc.c b/drivers/net/phy/mdio-bcm-iproc.c
+index 46fe1ae919a3..51ce3ea17fb3 100644
+--- a/drivers/net/phy/mdio-bcm-iproc.c
++++ b/drivers/net/phy/mdio-bcm-iproc.c
+@@ -188,6 +188,23 @@ static int iproc_mdio_remove(struct platform_device *pdev)
+ return 0;
+ }
+
++#ifdef CONFIG_PM_SLEEP
++int iproc_mdio_resume(struct device *dev)
++{
++ struct platform_device *pdev = to_platform_device(dev);
++ struct iproc_mdio_priv *priv = platform_get_drvdata(pdev);
++
++ /* restore the mii clock configuration */
++ iproc_mdio_config_clk(priv->base);
++
++ return 0;
++}
++
++static const struct dev_pm_ops iproc_mdio_pm_ops = {
++ .resume = iproc_mdio_resume
++};
++#endif /* CONFIG_PM_SLEEP */
++
+ static const struct of_device_id iproc_mdio_of_match[] = {
+ { .compatible = "brcm,iproc-mdio", },
+ { /* sentinel */ },
+@@ -198,6 +215,9 @@ static struct platform_driver iproc_mdio_driver = {
+ .driver = {
+ .name = "iproc-mdio",
+ .of_match_table = iproc_mdio_of_match,
++#ifdef CONFIG_PM_SLEEP
++ .pm = &iproc_mdio_pm_ops,
++#endif
+ },
+ .probe = iproc_mdio_probe,
+ .remove = iproc_mdio_remove,
+diff --git a/drivers/net/tun.c b/drivers/net/tun.c
+index 3086211829a7..ba34f61d70de 100644
+--- a/drivers/net/tun.c
++++ b/drivers/net/tun.c
+@@ -1134,6 +1134,13 @@ static void tun_net_init(struct net_device *dev)
+ dev->max_mtu = MAX_MTU - dev->hard_header_len;
+ }
+
++static bool tun_sock_writeable(struct tun_struct *tun, struct tun_file *tfile)
++{
++ struct sock *sk = tfile->socket.sk;
++
++ return (tun->dev->flags & IFF_UP) && sock_writeable(sk);
++}
++
+ /* Character device part */
+
+ /* Poll */
+@@ -1156,10 +1163,14 @@ static unsigned int tun_chr_poll(struct file *file, poll_table *wait)
+ if (!skb_array_empty(&tfile->tx_array))
+ mask |= POLLIN | POLLRDNORM;
+
+- if (tun->dev->flags & IFF_UP &&
+- (sock_writeable(sk) ||
+- (!test_and_set_bit(SOCKWQ_ASYNC_NOSPACE, &sk->sk_socket->flags) &&
+- sock_writeable(sk))))
++ /* Make sure SOCKWQ_ASYNC_NOSPACE is set if not writable to
++ * guarantee EPOLLOUT to be raised by either here or
++ * tun_sock_write_space(). Then process could get notification
++ * after it writes to a down device and meets -EIO.
++ */
++ if (tun_sock_writeable(tun, tfile) ||
++ (!test_and_set_bit(SOCKWQ_ASYNC_NOSPACE, &sk->sk_socket->flags) &&
++ tun_sock_writeable(tun, tfile)))
+ mask |= POLLOUT | POLLWRNORM;
+
+ if (tun->dev->reg_state != NETREG_REGISTERED)
+diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
+index db70d4c5778a..189715438328 100644
+--- a/drivers/net/usb/qmi_wwan.c
++++ b/drivers/net/usb/qmi_wwan.c
+@@ -63,7 +63,6 @@ enum qmi_wwan_flags {
+
+ enum qmi_wwan_quirks {
+ QMI_WWAN_QUIRK_DTR = 1 << 0, /* needs "set DTR" request */
+- QMI_WWAN_QUIRK_QUECTEL_DYNCFG = 1 << 1, /* check num. endpoints */
+ };
+
+ struct qmimux_hdr {
+@@ -853,16 +852,6 @@ static const struct driver_info qmi_wwan_info_quirk_dtr = {
+ .data = QMI_WWAN_QUIRK_DTR,
+ };
+
+-static const struct driver_info qmi_wwan_info_quirk_quectel_dyncfg = {
+- .description = "WWAN/QMI device",
+- .flags = FLAG_WWAN | FLAG_SEND_ZLP,
+- .bind = qmi_wwan_bind,
+- .unbind = qmi_wwan_unbind,
+- .manage_power = qmi_wwan_manage_power,
+- .rx_fixup = qmi_wwan_rx_fixup,
+- .data = QMI_WWAN_QUIRK_DTR | QMI_WWAN_QUIRK_QUECTEL_DYNCFG,
+-};
+-
+ #define HUAWEI_VENDOR_ID 0x12D1
+
+ /* map QMI/wwan function by a fixed interface number */
+@@ -883,14 +872,18 @@ static const struct driver_info qmi_wwan_info_quirk_quectel_dyncfg = {
+ #define QMI_GOBI_DEVICE(vend, prod) \
+ QMI_FIXED_INTF(vend, prod, 0)
+
+-/* Quectel does not use fixed interface numbers on at least some of their
+- * devices. We need to check the number of endpoints to ensure that we bind to
+- * the correct interface.
++/* Many devices have QMI and DIAG functions which are distinguishable
++ * from other vendor specific functions by class, subclass and
++ * protocol all being 0xff. The DIAG function has exactly 2 endpoints
++ * and is silently rejected when probed.
++ *
++ * This makes it possible to match dynamically numbered QMI functions
++ * as seen on e.g. many Quectel modems.
+ */
+-#define QMI_QUIRK_QUECTEL_DYNCFG(vend, prod) \
++#define QMI_MATCH_FF_FF_FF(vend, prod) \
+ USB_DEVICE_AND_INTERFACE_INFO(vend, prod, USB_CLASS_VENDOR_SPEC, \
+ USB_SUBCLASS_VENDOR_SPEC, 0xff), \
+- .driver_info = (unsigned long)&qmi_wwan_info_quirk_quectel_dyncfg
++ .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr
+
+ static const struct usb_device_id products[] = {
+ /* 1. CDC ECM like devices match on the control interface */
+@@ -996,10 +989,10 @@ static const struct usb_device_id products[] = {
+ USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x581d, USB_CLASS_VENDOR_SPEC, 1, 7),
+ .driver_info = (unsigned long)&qmi_wwan_info,
+ },
+- {QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0125)}, /* Quectel EC25, EC20 R2.0 Mini PCIe */
+- {QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0306)}, /* Quectel EP06/EG06/EM06 */
+- {QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0512)}, /* Quectel EG12/EM12 */
+- {QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0800)}, /* Quectel RM500Q-GL */
++ {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0125)}, /* Quectel EC25, EC20 R2.0 Mini PCIe */
++ {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0306)}, /* Quectel EP06/EG06/EM06 */
++ {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0512)}, /* Quectel EG12/EM12 */
++ {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0800)}, /* Quectel RM500Q-GL */
+
+ /* 3. Combined interface devices matching on interface number */
+ {QMI_FIXED_INTF(0x0408, 0xea42, 4)}, /* Yota / Megafon M100-1 */
+@@ -1287,6 +1280,7 @@ static const struct usb_device_id products[] = {
+ {QMI_FIXED_INTF(0x413c, 0x81b6, 8)}, /* Dell Wireless 5811e */
+ {QMI_FIXED_INTF(0x413c, 0x81b6, 10)}, /* Dell Wireless 5811e */
+ {QMI_FIXED_INTF(0x413c, 0x81d7, 0)}, /* Dell Wireless 5821e */
++ {QMI_FIXED_INTF(0x413c, 0x81d7, 1)}, /* Dell Wireless 5821e preproduction config */
+ {QMI_FIXED_INTF(0x413c, 0x81e0, 0)}, /* Dell Wireless 5821e with eSIM support*/
+ {QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */
+ {QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)}, /* HP lt4120 Snapdragon X5 LTE */
+@@ -1378,7 +1372,6 @@ static int qmi_wwan_probe(struct usb_interface *intf,
+ {
+ struct usb_device_id *id = (struct usb_device_id *)prod;
+ struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc;
+- const struct driver_info *info;
+
+ /* Workaround to enable dynamic IDs. This disables usbnet
+ * blacklisting functionality. Which, if required, can be
+@@ -1414,12 +1407,8 @@ static int qmi_wwan_probe(struct usb_interface *intf,
+ * different. Ignore the current interface if the number of endpoints
+ * equals the number for the diag interface (two).
+ */
+- info = (void *)id->driver_info;
+-
+- if (info->data & QMI_WWAN_QUIRK_QUECTEL_DYNCFG) {
+- if (desc->bNumEndpoints == 2)
+- return -ENODEV;
+- }
++ if (desc->bNumEndpoints == 2)
++ return -ENODEV;
+
+ return usbnet_probe(intf, id);
+ }
+diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
+index dffa697d71e0..8a074a516fb2 100644
+--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
++++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
+@@ -3023,6 +3023,15 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
+ spin_lock_init(&trans_pcie->reg_lock);
+ mutex_init(&trans_pcie->mutex);
+ init_waitqueue_head(&trans_pcie->ucode_write_waitq);
++
++ trans_pcie->rba.alloc_wq = alloc_workqueue("rb_allocator",
++ WQ_HIGHPRI | WQ_UNBOUND, 1);
++ if (!trans_pcie->rba.alloc_wq) {
++ ret = -ENOMEM;
++ goto out_free_trans;
++ }
++ INIT_WORK(&trans_pcie->rba.rx_alloc, iwl_pcie_rx_allocator_work);
++
+ trans_pcie->tso_hdr_page = alloc_percpu(struct iwl_tso_hdr_page);
+ if (!trans_pcie->tso_hdr_page) {
+ ret = -ENOMEM;
+@@ -3195,10 +3204,6 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
+ trans_pcie->inta_mask = CSR_INI_SET_MASK;
+ }
+
+- trans_pcie->rba.alloc_wq = alloc_workqueue("rb_allocator",
+- WQ_HIGHPRI | WQ_UNBOUND, 1);
+- INIT_WORK(&trans_pcie->rba.rx_alloc, iwl_pcie_rx_allocator_work);
+-
+ #ifdef CONFIG_IWLWIFI_PCIE_RTPM
+ trans->runtime_pm_mode = IWL_PLAT_PM_MODE_D0I3;
+ #else
+@@ -3211,6 +3216,8 @@ out_free_ict:
+ iwl_pcie_free_ict(trans);
+ out_no_pci:
+ free_percpu(trans_pcie->tso_hdr_page);
++ destroy_workqueue(trans_pcie->rba.alloc_wq);
++out_free_trans:
+ iwl_trans_free(trans);
+ return ERR_PTR(ret);
+ }
+diff --git a/drivers/net/wireless/marvell/mwifiex/tdls.c b/drivers/net/wireless/marvell/mwifiex/tdls.c
+index b5340af9fa5e..80d20fb6f348 100644
+--- a/drivers/net/wireless/marvell/mwifiex/tdls.c
++++ b/drivers/net/wireless/marvell/mwifiex/tdls.c
+@@ -897,7 +897,7 @@ void mwifiex_process_tdls_action_frame(struct mwifiex_private *priv,
+ u8 *peer, *pos, *end;
+ u8 i, action, basic;
+ u16 cap = 0;
+- int ie_len = 0;
++ int ies_len = 0;
+
+ if (len < (sizeof(struct ethhdr) + 3))
+ return;
+@@ -919,7 +919,7 @@ void mwifiex_process_tdls_action_frame(struct mwifiex_private *priv,
+ pos = buf + sizeof(struct ethhdr) + 4;
+ /* payload 1+ category 1 + action 1 + dialog 1 */
+ cap = get_unaligned_le16(pos);
+- ie_len = len - sizeof(struct ethhdr) - TDLS_REQ_FIX_LEN;
++ ies_len = len - sizeof(struct ethhdr) - TDLS_REQ_FIX_LEN;
+ pos += 2;
+ break;
+
+@@ -929,7 +929,7 @@ void mwifiex_process_tdls_action_frame(struct mwifiex_private *priv,
+ /* payload 1+ category 1 + action 1 + dialog 1 + status code 2*/
+ pos = buf + sizeof(struct ethhdr) + 6;
+ cap = get_unaligned_le16(pos);
+- ie_len = len - sizeof(struct ethhdr) - TDLS_RESP_FIX_LEN;
++ ies_len = len - sizeof(struct ethhdr) - TDLS_RESP_FIX_LEN;
+ pos += 2;
+ break;
+
+@@ -937,7 +937,7 @@ void mwifiex_process_tdls_action_frame(struct mwifiex_private *priv,
+ if (len < (sizeof(struct ethhdr) + TDLS_CONFIRM_FIX_LEN))
+ return;
+ pos = buf + sizeof(struct ethhdr) + TDLS_CONFIRM_FIX_LEN;
+- ie_len = len - sizeof(struct ethhdr) - TDLS_CONFIRM_FIX_LEN;
++ ies_len = len - sizeof(struct ethhdr) - TDLS_CONFIRM_FIX_LEN;
+ break;
+ default:
+ mwifiex_dbg(priv->adapter, ERROR, "Unknown TDLS frame type.\n");
+@@ -950,33 +950,33 @@ void mwifiex_process_tdls_action_frame(struct mwifiex_private *priv,
+
+ sta_ptr->tdls_cap.capab = cpu_to_le16(cap);
+
+- for (end = pos + ie_len; pos + 1 < end; pos += 2 + pos[1]) {
+- if (pos + 2 + pos[1] > end)
++ for (end = pos + ies_len; pos + 1 < end; pos += 2 + pos[1]) {
++ u8 ie_len = pos[1];
++
++ if (pos + 2 + ie_len > end)
+ break;
+
+ switch (*pos) {
+ case WLAN_EID_SUPP_RATES:
+- if (pos[1] > 32)
++ if (ie_len > sizeof(sta_ptr->tdls_cap.rates))
+ return;
+- sta_ptr->tdls_cap.rates_len = pos[1];
+- for (i = 0; i < pos[1]; i++)
++ sta_ptr->tdls_cap.rates_len = ie_len;
++ for (i = 0; i < ie_len; i++)
+ sta_ptr->tdls_cap.rates[i] = pos[i + 2];
+ break;
+
+ case WLAN_EID_EXT_SUPP_RATES:
+- if (pos[1] > 32)
++ if (ie_len > sizeof(sta_ptr->tdls_cap.rates))
+ return;
+ basic = sta_ptr->tdls_cap.rates_len;
+- if (pos[1] > 32 - basic)
++ if (ie_len > sizeof(sta_ptr->tdls_cap.rates) - basic)
+ return;
+- for (i = 0; i < pos[1]; i++)
++ for (i = 0; i < ie_len; i++)
+ sta_ptr->tdls_cap.rates[basic + i] = pos[i + 2];
+- sta_ptr->tdls_cap.rates_len += pos[1];
++ sta_ptr->tdls_cap.rates_len += ie_len;
+ break;
+ case WLAN_EID_HT_CAPABILITY:
+- if (pos > end - sizeof(struct ieee80211_ht_cap) - 2)
+- return;
+- if (pos[1] != sizeof(struct ieee80211_ht_cap))
++ if (ie_len != sizeof(struct ieee80211_ht_cap))
+ return;
+ /* copy the ie's value into ht_capb*/
+ memcpy((u8 *)&sta_ptr->tdls_cap.ht_capb, pos + 2,
+@@ -984,59 +984,45 @@ void mwifiex_process_tdls_action_frame(struct mwifiex_private *priv,
+ sta_ptr->is_11n_enabled = 1;
+ break;
+ case WLAN_EID_HT_OPERATION:
+- if (pos > end -
+- sizeof(struct ieee80211_ht_operation) - 2)
+- return;
+- if (pos[1] != sizeof(struct ieee80211_ht_operation))
++ if (ie_len != sizeof(struct ieee80211_ht_operation))
+ return;
+ /* copy the ie's value into ht_oper*/
+ memcpy(&sta_ptr->tdls_cap.ht_oper, pos + 2,
+ sizeof(struct ieee80211_ht_operation));
+ break;
+ case WLAN_EID_BSS_COEX_2040:
+- if (pos > end - 3)
+- return;
+- if (pos[1] != 1)
++ if (ie_len != sizeof(pos[2]))
+ return;
+ sta_ptr->tdls_cap.coex_2040 = pos[2];
+ break;
+ case WLAN_EID_EXT_CAPABILITY:
+- if (pos > end - sizeof(struct ieee_types_header))
+- return;
+- if (pos[1] < sizeof(struct ieee_types_header))
++ if (ie_len < sizeof(struct ieee_types_header))
+ return;
+- if (pos[1] > 8)
++ if (ie_len > 8)
+ return;
+ memcpy((u8 *)&sta_ptr->tdls_cap.extcap, pos,
+ sizeof(struct ieee_types_header) +
+- min_t(u8, pos[1], 8));
++ min_t(u8, ie_len, 8));
+ break;
+ case WLAN_EID_RSN:
+- if (pos > end - sizeof(struct ieee_types_header))
++ if (ie_len < sizeof(struct ieee_types_header))
+ return;
+- if (pos[1] < sizeof(struct ieee_types_header))
+- return;
+- if (pos[1] > IEEE_MAX_IE_SIZE -
++ if (ie_len > IEEE_MAX_IE_SIZE -
+ sizeof(struct ieee_types_header))
+ return;
+ memcpy((u8 *)&sta_ptr->tdls_cap.rsn_ie, pos,
+ sizeof(struct ieee_types_header) +
+- min_t(u8, pos[1], IEEE_MAX_IE_SIZE -
++ min_t(u8, ie_len, IEEE_MAX_IE_SIZE -
+ sizeof(struct ieee_types_header)));
+ break;
+ case WLAN_EID_QOS_CAPA:
+- if (pos > end - 3)
+- return;
+- if (pos[1] != 1)
++ if (ie_len != sizeof(pos[2]))
+ return;
+ sta_ptr->tdls_cap.qos_info = pos[2];
+ break;
+ case WLAN_EID_VHT_OPERATION:
+ if (priv->adapter->is_hw_11ac_capable) {
+- if (pos > end -
+- sizeof(struct ieee80211_vht_operation) - 2)
+- return;
+- if (pos[1] !=
++ if (ie_len !=
+ sizeof(struct ieee80211_vht_operation))
+ return;
+ /* copy the ie's value into vhtoper*/
+@@ -1046,10 +1032,7 @@ void mwifiex_process_tdls_action_frame(struct mwifiex_private *priv,
+ break;
+ case WLAN_EID_VHT_CAPABILITY:
+ if (priv->adapter->is_hw_11ac_capable) {
+- if (pos > end -
+- sizeof(struct ieee80211_vht_cap) - 2)
+- return;
+- if (pos[1] != sizeof(struct ieee80211_vht_cap))
++ if (ie_len != sizeof(struct ieee80211_vht_cap))
+ return;
+ /* copy the ie's value into vhtcap*/
+ memcpy((u8 *)&sta_ptr->tdls_cap.vhtcap, pos + 2,
+@@ -1059,9 +1042,7 @@ void mwifiex_process_tdls_action_frame(struct mwifiex_private *priv,
+ break;
+ case WLAN_EID_AID:
+ if (priv->adapter->is_hw_11ac_capable) {
+- if (pos > end - 4)
+- return;
+- if (pos[1] != 2)
++ if (ie_len != sizeof(u16))
+ return;
+ sta_ptr->tdls_cap.aid =
+ get_unaligned_le16((pos + 2));
+diff --git a/drivers/nfc/pn544/i2c.c b/drivers/nfc/pn544/i2c.c
+index 4b14740edb67..8ba5a6d6329e 100644
+--- a/drivers/nfc/pn544/i2c.c
++++ b/drivers/nfc/pn544/i2c.c
+@@ -236,6 +236,7 @@ static void pn544_hci_i2c_platform_init(struct pn544_i2c_phy *phy)
+
+ out:
+ gpiod_set_value_cansleep(phy->gpiod_en, !phy->en_polarity);
++ usleep_range(10000, 15000);
+ }
+
+ static void pn544_hci_i2c_enable_mode(struct pn544_i2c_phy *phy, int run_mode)
+diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
+index f543b9932c83..a760c449f4a9 100644
+--- a/drivers/nvme/host/core.c
++++ b/drivers/nvme/host/core.c
+@@ -889,8 +889,8 @@ static struct nvme_id_ns *nvme_identify_ns(struct nvme_ctrl *ctrl,
+ static int nvme_set_features(struct nvme_ctrl *dev, unsigned fid, unsigned dword11,
+ void *buffer, size_t buflen, u32 *result)
+ {
++ union nvme_result res = { 0 };
+ struct nvme_command c;
+- union nvme_result res;
+ int ret;
+
+ memset(&c, 0, sizeof(c));
+diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c
+index 2a3f874a21d5..9cebff8e8d74 100644
+--- a/drivers/s390/cio/blacklist.c
++++ b/drivers/s390/cio/blacklist.c
+@@ -303,8 +303,10 @@ static void *
+ cio_ignore_proc_seq_next(struct seq_file *s, void *it, loff_t *offset)
+ {
+ struct ccwdev_iter *iter;
++ loff_t p = *offset;
+
+- if (*offset >= (__MAX_SUBCHANNEL + 1) * (__MAX_SSID + 1))
++ (*offset)++;
++ if (p >= (__MAX_SUBCHANNEL + 1) * (__MAX_SSID + 1))
+ return NULL;
+ iter = it;
+ if (iter->devno == __MAX_SUBCHANNEL) {
+@@ -314,7 +316,6 @@ cio_ignore_proc_seq_next(struct seq_file *s, void *it, loff_t *offset)
+ return NULL;
+ } else
+ iter->devno++;
+- (*offset)++;
+ return iter;
+ }
+
+diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c
+index 411b4b03457b..899f36b59af7 100644
+--- a/drivers/tty/serial/8250/8250_exar.c
++++ b/drivers/tty/serial/8250/8250_exar.c
+@@ -27,6 +27,14 @@
+
+ #include "8250.h"
+
++#define PCI_DEVICE_ID_ACCES_COM_2S 0x1052
++#define PCI_DEVICE_ID_ACCES_COM_4S 0x105d
++#define PCI_DEVICE_ID_ACCES_COM_8S 0x106c
++#define PCI_DEVICE_ID_ACCES_COM232_8 0x10a8
++#define PCI_DEVICE_ID_ACCES_COM_2SM 0x10d2
++#define PCI_DEVICE_ID_ACCES_COM_4SM 0x10db
++#define PCI_DEVICE_ID_ACCES_COM_8SM 0x10ea
++
+ #define PCI_DEVICE_ID_COMMTECH_4224PCI335 0x0002
+ #define PCI_DEVICE_ID_COMMTECH_4222PCI335 0x0004
+ #define PCI_DEVICE_ID_COMMTECH_2324PCI335 0x000a
+@@ -562,6 +570,22 @@ static int __maybe_unused exar_resume(struct device *dev)
+
+ static SIMPLE_DEV_PM_OPS(exar_pci_pm, exar_suspend, exar_resume);
+
++static const struct exar8250_board acces_com_2x = {
++ .num_ports = 2,
++ .setup = pci_xr17c154_setup,
++};
++
++static const struct exar8250_board acces_com_4x = {
++ .num_ports = 4,
++ .setup = pci_xr17c154_setup,
++};
++
++static const struct exar8250_board acces_com_8x = {
++ .num_ports = 8,
++ .setup = pci_xr17c154_setup,
++};
++
++
+ static const struct exar8250_board pbn_fastcom335_2 = {
+ .num_ports = 2,
+ .setup = pci_fastcom335_setup,
+@@ -632,6 +656,15 @@ static const struct exar8250_board pbn_exar_XR17V8358 = {
+ }
+
+ static const struct pci_device_id exar_pci_tbl[] = {
++ EXAR_DEVICE(ACCESSIO, ACCES_COM_2S, acces_com_2x),
++ EXAR_DEVICE(ACCESSIO, ACCES_COM_4S, acces_com_4x),
++ EXAR_DEVICE(ACCESSIO, ACCES_COM_8S, acces_com_8x),
++ EXAR_DEVICE(ACCESSIO, ACCES_COM232_8, acces_com_8x),
++ EXAR_DEVICE(ACCESSIO, ACCES_COM_2SM, acces_com_2x),
++ EXAR_DEVICE(ACCESSIO, ACCES_COM_4SM, acces_com_4x),
++ EXAR_DEVICE(ACCESSIO, ACCES_COM_8SM, acces_com_8x),
++
++
+ CONNECT_DEVICE(XR17C152, UART_2_232, pbn_connect),
+ CONNECT_DEVICE(XR17C154, UART_4_232, pbn_connect),
+ CONNECT_DEVICE(XR17C158, UART_8_232, pbn_connect),
+diff --git a/drivers/tty/serial/ar933x_uart.c b/drivers/tty/serial/ar933x_uart.c
+index ed545a61413c..ac56a5131a9c 100644
+--- a/drivers/tty/serial/ar933x_uart.c
++++ b/drivers/tty/serial/ar933x_uart.c
+@@ -289,6 +289,10 @@ static void ar933x_uart_set_termios(struct uart_port *port,
+ ar933x_uart_rmw_set(up, AR933X_UART_CS_REG,
+ AR933X_UART_CS_HOST_INT_EN);
+
++ /* enable RX and TX ready overide */
++ ar933x_uart_rmw_set(up, AR933X_UART_CS_REG,
++ AR933X_UART_CS_TX_READY_ORIDE | AR933X_UART_CS_RX_READY_ORIDE);
++
+ /* reenable the UART */
+ ar933x_uart_rmw(up, AR933X_UART_CS_REG,
+ AR933X_UART_CS_IF_MODE_M << AR933X_UART_CS_IF_MODE_S,
+@@ -421,6 +425,10 @@ static int ar933x_uart_startup(struct uart_port *port)
+ ar933x_uart_rmw_set(up, AR933X_UART_CS_REG,
+ AR933X_UART_CS_HOST_INT_EN);
+
++ /* enable RX and TX ready overide */
++ ar933x_uart_rmw_set(up, AR933X_UART_CS_REG,
++ AR933X_UART_CS_TX_READY_ORIDE | AR933X_UART_CS_RX_READY_ORIDE);
++
+ /* Enable RX interrupts */
+ up->ier = AR933X_UART_INT_RX_VALID;
+ ar933x_uart_write(up, AR933X_UART_INT_EN_REG, up->ier);
+diff --git a/drivers/tty/serial/mvebu-uart.c b/drivers/tty/serial/mvebu-uart.c
+index 401c983ec5f3..a10e4aa9e18e 100644
+--- a/drivers/tty/serial/mvebu-uart.c
++++ b/drivers/tty/serial/mvebu-uart.c
+@@ -581,7 +581,7 @@ static int mvebu_uart_probe(struct platform_device *pdev)
+
+ port->membase = devm_ioremap_resource(&pdev->dev, reg);
+ if (IS_ERR(port->membase))
+- return -PTR_ERR(port->membase);
++ return PTR_ERR(port->membase);
+
+ data = devm_kzalloc(&pdev->dev, sizeof(struct mvebu_uart_data),
+ GFP_KERNEL);
+diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
+index 377b3592384e..4c716ddd6599 100644
+--- a/drivers/tty/sysrq.c
++++ b/drivers/tty/sysrq.c
+@@ -546,7 +546,6 @@ void __handle_sysrq(int key, bool check_mask)
+ */
+ orig_log_level = console_loglevel;
+ console_loglevel = CONSOLE_LOGLEVEL_DEFAULT;
+- pr_info("SysRq : ");
+
+ op_p = __sysrq_get_key_op(key);
+ if (op_p) {
+@@ -555,14 +554,15 @@ void __handle_sysrq(int key, bool check_mask)
+ * should not) and is the invoked operation enabled?
+ */
+ if (!check_mask || sysrq_on_mask(op_p->enable_mask)) {
+- pr_cont("%s\n", op_p->action_msg);
++ pr_info("%s\n", op_p->action_msg);
+ console_loglevel = orig_log_level;
+ op_p->handler(key);
+ } else {
+- pr_cont("This sysrq operation is disabled.\n");
++ pr_info("This sysrq operation is disabled.\n");
++ console_loglevel = orig_log_level;
+ }
+ } else {
+- pr_cont("HELP : ");
++ pr_info("HELP : ");
+ /* Only print the help msg once per handler */
+ for (i = 0; i < ARRAY_SIZE(sysrq_key_table); i++) {
+ if (sysrq_key_table[i]) {
+diff --git a/drivers/tty/vt/selection.c b/drivers/tty/vt/selection.c
+index b157f17d2be2..91ffe3f2b8a0 100644
+--- a/drivers/tty/vt/selection.c
++++ b/drivers/tty/vt/selection.c
+@@ -14,6 +14,7 @@
+ #include <linux/tty.h>
+ #include <linux/sched.h>
+ #include <linux/mm.h>
++#include <linux/mutex.h>
+ #include <linux/slab.h>
+ #include <linux/types.h>
+
+@@ -43,6 +44,7 @@ static volatile int sel_start = -1; /* cleared by clear_selection */
+ static int sel_end;
+ static int sel_buffer_lth;
+ static char *sel_buffer;
++static DEFINE_MUTEX(sel_lock);
+
+ /* clear_selection, highlight and highlight_pointer can be called
+ from interrupt (via scrollback/front) */
+@@ -155,14 +157,14 @@ static int store_utf8(u16 c, char *p)
+ * The entire selection process is managed under the console_lock. It's
+ * a lot under the lock but its hardly a performance path
+ */
+-int set_selection(const struct tiocl_selection __user *sel, struct tty_struct *tty)
++static int __set_selection(const struct tiocl_selection __user *sel, struct tty_struct *tty)
+ {
+ struct vc_data *vc = vc_cons[fg_console].d;
+ int sel_mode, new_sel_start, new_sel_end, spc;
+ char *bp, *obp;
+ int i, ps, pe, multiplier;
+ u16 c;
+- int mode;
++ int mode, ret = 0;
+
+ poke_blanked_console();
+
+@@ -323,7 +325,21 @@ int set_selection(const struct tiocl_selection __user *sel, struct tty_struct *t
+ }
+ }
+ sel_buffer_lth = bp - sel_buffer;
+- return 0;
++
++ return ret;
++}
++
++int set_selection(const struct tiocl_selection __user *v, struct tty_struct *tty)
++{
++ int ret;
++
++ mutex_lock(&sel_lock);
++ console_lock();
++ ret = __set_selection(v, tty);
++ console_unlock();
++ mutex_unlock(&sel_lock);
++
++ return ret;
+ }
+
+ /* Insert the contents of the selection buffer into the
+@@ -352,6 +368,7 @@ int paste_selection(struct tty_struct *tty)
+ tty_buffer_lock_exclusive(&vc->port);
+
+ add_wait_queue(&vc->paste_wait, &wait);
++ mutex_lock(&sel_lock);
+ while (sel_buffer && sel_buffer_lth > pasted) {
+ set_current_state(TASK_INTERRUPTIBLE);
+ if (signal_pending(current)) {
+@@ -359,7 +376,9 @@ int paste_selection(struct tty_struct *tty)
+ break;
+ }
+ if (tty_throttled(tty)) {
++ mutex_unlock(&sel_lock);
+ schedule();
++ mutex_lock(&sel_lock);
+ continue;
+ }
+ __set_current_state(TASK_RUNNING);
+@@ -368,6 +387,7 @@ int paste_selection(struct tty_struct *tty)
+ count);
+ pasted += count;
+ }
++ mutex_unlock(&sel_lock);
+ remove_wait_queue(&vc->paste_wait, &wait);
+ __set_current_state(TASK_RUNNING);
+
+diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
+index 06761fcedeff..826433af4bdd 100644
+--- a/drivers/tty/vt/vt.c
++++ b/drivers/tty/vt/vt.c
+@@ -2688,9 +2688,7 @@ int tioclinux(struct tty_struct *tty, unsigned long arg)
+ switch (type)
+ {
+ case TIOCL_SETSEL:
+- console_lock();
+ ret = set_selection((struct tiocl_selection __user *)(p+1), tty);
+- console_unlock();
+ break;
+ case TIOCL_PASTESEL:
+ ret = paste_selection(tty);
+diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
+index ff1be6a6841b..4391192bdd19 100644
+--- a/drivers/usb/core/hub.c
++++ b/drivers/usb/core/hub.c
+@@ -958,13 +958,17 @@ int usb_remove_device(struct usb_device *udev)
+ {
+ struct usb_hub *hub;
+ struct usb_interface *intf;
++ int ret;
+
+ if (!udev->parent) /* Can't remove a root hub */
+ return -EINVAL;
+ hub = usb_hub_to_struct_hub(udev->parent);
+ intf = to_usb_interface(hub->intfdev);
+
+- usb_autopm_get_interface(intf);
++ ret = usb_autopm_get_interface(intf);
++ if (ret < 0)
++ return ret;
++
+ set_bit(udev->portnum, hub->removed_bits);
+ hub_port_logical_disconnect(hub, udev->portnum);
+ usb_autopm_put_interface(intf);
+@@ -1818,7 +1822,7 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id)
+
+ if (id->driver_info & HUB_QUIRK_DISABLE_AUTOSUSPEND) {
+ hub->quirk_disable_autosuspend = 1;
+- usb_autopm_get_interface(intf);
++ usb_autopm_get_interface_no_resume(intf);
+ }
+
+ if (hub_configure(hub, &desc->endpoint[0].desc) >= 0)
+diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c
+index 460c855be0d0..53c1f6e604b1 100644
+--- a/drivers/usb/core/port.c
++++ b/drivers/usb/core/port.c
+@@ -179,7 +179,10 @@ static int usb_port_runtime_resume(struct device *dev)
+ if (!port_dev->is_superspeed && peer)
+ pm_runtime_get_sync(&peer->dev);
+
+- usb_autopm_get_interface(intf);
++ retval = usb_autopm_get_interface(intf);
++ if (retval < 0)
++ return retval;
++
+ retval = usb_hub_set_port_power(hdev, hub, port1, true);
+ msleep(hub_power_on_good_delay(hub));
+ if (udev && !retval) {
+@@ -232,7 +235,10 @@ static int usb_port_runtime_suspend(struct device *dev)
+ if (usb_port_block_power_off)
+ return -EBUSY;
+
+- usb_autopm_get_interface(intf);
++ retval = usb_autopm_get_interface(intf);
++ if (retval < 0)
++ return retval;
++
+ retval = usb_hub_set_port_power(hdev, hub, port1, false);
+ usb_clear_port_feature(hdev, port1, USB_PORT_FEAT_C_CONNECTION);
+ if (!port_dev->is_superspeed)
+diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
+index ad8307140df8..64c03e871f2d 100644
+--- a/drivers/usb/core/quirks.c
++++ b/drivers/usb/core/quirks.c
+@@ -86,6 +86,9 @@ static const struct usb_device_id usb_quirk_list[] = {
+ /* Logitech PTZ Pro Camera */
+ { USB_DEVICE(0x046d, 0x0853), .driver_info = USB_QUIRK_DELAY_INIT },
+
++ /* Logitech Screen Share */
++ { USB_DEVICE(0x046d, 0x086c), .driver_info = USB_QUIRK_NO_LPM },
++
+ /* Logitech Quickcam Fusion */
+ { USB_DEVICE(0x046d, 0x08c1), .driver_info = USB_QUIRK_RESET_RESUME },
+
+diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
+index 6e30b177aa22..5a4cf779b269 100644
+--- a/drivers/usb/gadget/composite.c
++++ b/drivers/usb/gadget/composite.c
+@@ -441,9 +441,13 @@ static u8 encode_bMaxPower(enum usb_device_speed speed,
+ if (!val)
+ return 0;
+ if (speed < USB_SPEED_SUPER)
+- return DIV_ROUND_UP(val, 2);
++ return min(val, 500U) / 2;
+ else
+- return DIV_ROUND_UP(val, 8);
++ /*
++ * USB 3.x supports up to 900mA, but since 900 isn't divisible
++ * by 8 the integral division will effectively cap to 896mA.
++ */
++ return min(val, 900U) / 8;
+ }
+
+ static int config_buf(struct usb_configuration *config,
+@@ -841,6 +845,10 @@ static int set_config(struct usb_composite_dev *cdev,
+
+ /* when we return, be sure our power usage is valid */
+ power = c->MaxPower ? c->MaxPower : CONFIG_USB_GADGET_VBUS_DRAW;
++ if (gadget->speed < USB_SPEED_SUPER)
++ power = min(power, 500U);
++ else
++ power = min(power, 900U);
+ done:
+ usb_gadget_vbus_draw(gadget, power);
+ if (result >= 0 && cdev->delayed_status)
+@@ -2280,7 +2288,7 @@ void composite_resume(struct usb_gadget *gadget)
+ {
+ struct usb_composite_dev *cdev = get_gadget_data(gadget);
+ struct usb_function *f;
+- u16 maxpower;
++ unsigned maxpower;
+
+ /* REVISIT: should we have config level
+ * suspend/resume callbacks?
+@@ -2294,10 +2302,14 @@ void composite_resume(struct usb_gadget *gadget)
+ f->resume(f);
+ }
+
+- maxpower = cdev->config->MaxPower;
++ maxpower = cdev->config->MaxPower ?
++ cdev->config->MaxPower : CONFIG_USB_GADGET_VBUS_DRAW;
++ if (gadget->speed < USB_SPEED_SUPER)
++ maxpower = min(maxpower, 500U);
++ else
++ maxpower = min(maxpower, 900U);
+
+- usb_gadget_vbus_draw(gadget, maxpower ?
+- maxpower : CONFIG_USB_GADGET_VBUS_DRAW);
++ usb_gadget_vbus_draw(gadget, maxpower);
+ }
+
+ cdev->suspended = 0;
+diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
+index cdffbe999500..282396e8eec6 100644
+--- a/drivers/usb/gadget/function/f_fs.c
++++ b/drivers/usb/gadget/function/f_fs.c
+@@ -1078,18 +1078,19 @@ static int ffs_aio_cancel(struct kiocb *kiocb)
+ {
+ struct ffs_io_data *io_data = kiocb->private;
+ struct ffs_epfile *epfile = kiocb->ki_filp->private_data;
++ unsigned long flags;
+ int value;
+
+ ENTER();
+
+- spin_lock_irq(&epfile->ffs->eps_lock);
++ spin_lock_irqsave(&epfile->ffs->eps_lock, flags);
+
+ if (likely(io_data && io_data->ep && io_data->req))
+ value = usb_ep_dequeue(io_data->ep, io_data->req);
+ else
+ value = -EINVAL;
+
+- spin_unlock_irq(&epfile->ffs->eps_lock);
++ spin_unlock_irqrestore(&epfile->ffs->eps_lock, flags);
+
+ return value;
+ }
+diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c
+index 520ace49f91d..942d2977797d 100644
+--- a/drivers/usb/gadget/function/u_serial.c
++++ b/drivers/usb/gadget/function/u_serial.c
+@@ -715,8 +715,10 @@ static int gs_start_io(struct gs_port *port)
+ port->n_read = 0;
+ started = gs_start_rx(port);
+
+- /* unblock any pending writes into our circular buffer */
+ if (started) {
++ gs_start_tx(port);
++ /* Unblock any pending writes into our circular buffer, in case
++ * we didn't in gs_start_tx() */
+ tty_wakeup(port->port.tty);
+ } else {
+ gs_free_requests(ep, head, &port->read_allocated);
+diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
+index 868878f5b72b..97cf8e1fc07c 100644
+--- a/drivers/usb/host/xhci-ring.c
++++ b/drivers/usb/host/xhci-ring.c
+@@ -1640,6 +1640,12 @@ static void handle_port_status(struct xhci_hcd *xhci,
+ if ((major_revision == 0x03) != (hcd->speed >= HCD_USB3))
+ hcd = xhci->shared_hcd;
+
++ if (!hcd) {
++ xhci_dbg(xhci, "No hcd found for port %u event\n", port_id);
++ bogus_port_status = true;
++ goto cleanup;
++ }
++
+ if (major_revision == 0) {
+ xhci_warn(xhci, "Event for port %u not in "
+ "Extended Capabilities, ignoring.\n",
+diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
+index fb69cb64f7d4..df8ee83c3f1a 100644
+--- a/drivers/usb/storage/unusual_devs.h
++++ b/drivers/usb/storage/unusual_devs.h
+@@ -1277,6 +1277,12 @@ UNUSUAL_DEV( 0x090a, 0x1200, 0x0000, 0x9999,
+ USB_SC_RBC, USB_PR_BULK, NULL,
+ 0 ),
+
++UNUSUAL_DEV(0x090c, 0x1000, 0x1100, 0x1100,
++ "Samsung",
++ "Flash Drive FIT",
++ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
++ US_FL_MAX_SECTORS_64),
++
+ /* aeb */
+ UNUSUAL_DEV( 0x090c, 0x1132, 0x0000, 0xffff,
+ "Feiya",
+diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
+index 4d11152e60c1..8fe07622ae59 100644
+--- a/drivers/vhost/net.c
++++ b/drivers/vhost/net.c
+@@ -1025,11 +1025,7 @@ static int vhost_net_release(struct inode *inode, struct file *f)
+
+ static struct socket *get_raw_socket(int fd)
+ {
+- struct {
+- struct sockaddr_ll sa;
+- char buf[MAX_ADDR_LEN];
+- } uaddr;
+- int uaddr_len = sizeof uaddr, r;
++ int r;
+ struct socket *sock = sockfd_lookup(fd, &r);
+
+ if (!sock)
+@@ -1041,12 +1037,7 @@ static struct socket *get_raw_socket(int fd)
+ goto err;
+ }
+
+- r = sock->ops->getname(sock, (struct sockaddr *)&uaddr.sa,
+- &uaddr_len, 0);
+- if (r)
+- goto err;
+-
+- if (uaddr.sa.sll_family != AF_PACKET) {
++ if (sock->sk->sk_family != AF_PACKET) {
+ r = -EPFNOSUPPORT;
+ goto err;
+ }
+diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
+index a17ba1465815..ff6612a3ddc8 100644
+--- a/drivers/video/console/vgacon.c
++++ b/drivers/video/console/vgacon.c
+@@ -1309,6 +1309,9 @@ static int vgacon_font_get(struct vc_data *c, struct console_font *font)
+ static int vgacon_resize(struct vc_data *c, unsigned int width,
+ unsigned int height, unsigned int user)
+ {
++ if ((width << 1) * height > vga_vram_size)
++ return -EINVAL;
++
+ if (width % 2 || width > screen_info.orig_video_cols ||
+ height > (screen_info.orig_video_lines * vga_default_font_height)/
+ c->vc_font.height)
+diff --git a/drivers/watchdog/da9062_wdt.c b/drivers/watchdog/da9062_wdt.c
+index 9083d3d922b0..79383ff62019 100644
+--- a/drivers/watchdog/da9062_wdt.c
++++ b/drivers/watchdog/da9062_wdt.c
+@@ -126,13 +126,6 @@ static int da9062_wdt_stop(struct watchdog_device *wdd)
+ struct da9062_watchdog *wdt = watchdog_get_drvdata(wdd);
+ int ret;
+
+- ret = da9062_reset_watchdog_timer(wdt);
+- if (ret) {
+- dev_err(wdt->hw->dev, "Failed to ping the watchdog (err = %d)\n",
+- ret);
+- return ret;
+- }
+-
+ ret = regmap_update_bits(wdt->hw->regmap,
+ DA9062AA_CONTROL_D,
+ DA9062AA_TWDSCALE_MASK,
+diff --git a/drivers/watchdog/wdat_wdt.c b/drivers/watchdog/wdat_wdt.c
+index 0da9943d405f..c310e841561c 100644
+--- a/drivers/watchdog/wdat_wdt.c
++++ b/drivers/watchdog/wdat_wdt.c
+@@ -392,7 +392,7 @@ static int wdat_wdt_probe(struct platform_device *pdev)
+
+ memset(&r, 0, sizeof(r));
+ r.start = gas->address;
+- r.end = r.start + gas->access_width - 1;
++ r.end = r.start + ACPI_ACCESS_BYTE_WIDTH(gas->access_width) - 1;
+ if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
+ r.flags = IORESOURCE_MEM;
+ } else if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_IO) {
+diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
+index b98436f5c7c7..73d428af97a9 100644
+--- a/fs/cifs/cifsacl.c
++++ b/fs/cifs/cifsacl.c
+@@ -603,7 +603,7 @@ static void access_flags_to_mode(__le32 ace_flags, int type, umode_t *pmode,
+ ((flags & FILE_EXEC_RIGHTS) == FILE_EXEC_RIGHTS))
+ *pmode |= (S_IXUGO & (*pbits_to_set));
+
+- cifs_dbg(NOISY, "access flags 0x%x mode now 0x%x\n", flags, *pmode);
++ cifs_dbg(NOISY, "access flags 0x%x mode now %04o\n", flags, *pmode);
+ return;
+ }
+
+@@ -632,7 +632,7 @@ static void mode_to_access_flags(umode_t mode, umode_t bits_to_use,
+ if (mode & S_IXUGO)
+ *pace_flags |= SET_FILE_EXEC_RIGHTS;
+
+- cifs_dbg(NOISY, "mode: 0x%x, access flags now 0x%x\n",
++ cifs_dbg(NOISY, "mode: %04o, access flags now 0x%x\n",
+ mode, *pace_flags);
+ return;
+ }
+diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
+index 6e5ecf70996a..697edc92dff2 100644
+--- a/fs/cifs/connect.c
++++ b/fs/cifs/connect.c
+@@ -3521,7 +3521,7 @@ int cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
+ cifs_sb->mnt_gid = pvolume_info->linux_gid;
+ cifs_sb->mnt_file_mode = pvolume_info->file_mode;
+ cifs_sb->mnt_dir_mode = pvolume_info->dir_mode;
+- cifs_dbg(FYI, "file mode: 0x%hx dir mode: 0x%hx\n",
++ cifs_dbg(FYI, "file mode: %04ho dir mode: %04ho\n",
+ cifs_sb->mnt_file_mode, cifs_sb->mnt_dir_mode);
+
+ cifs_sb->actimeo = pvolume_info->actimeo;
+diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
+index a35c14105906..bdce714e9448 100644
+--- a/fs/cifs/inode.c
++++ b/fs/cifs/inode.c
+@@ -1581,7 +1581,7 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, umode_t mode)
+ struct TCP_Server_Info *server;
+ char *full_path;
+
+- cifs_dbg(FYI, "In cifs_mkdir, mode = 0x%hx inode = 0x%p\n",
++ cifs_dbg(FYI, "In cifs_mkdir, mode = %04ho inode = 0x%p\n",
+ mode, inode);
+
+ cifs_sb = CIFS_SB(inode->i_sb);
+@@ -1998,6 +1998,7 @@ int cifs_revalidate_dentry_attr(struct dentry *dentry)
+ struct inode *inode = d_inode(dentry);
+ struct super_block *sb = dentry->d_sb;
+ char *full_path = NULL;
++ int count = 0;
+
+ if (inode == NULL)
+ return -ENOENT;
+@@ -2019,15 +2020,18 @@ int cifs_revalidate_dentry_attr(struct dentry *dentry)
+ full_path, inode, inode->i_count.counter,
+ dentry, cifs_get_time(dentry), jiffies);
+
++again:
+ if (cifs_sb_master_tcon(CIFS_SB(sb))->unix_ext)
+ rc = cifs_get_inode_info_unix(&inode, full_path, sb, xid);
+ else
+ rc = cifs_get_inode_info(&inode, full_path, NULL, sb,
+ xid, NULL);
+-
++ if (rc == -EAGAIN && count++ < 10)
++ goto again;
+ out:
+ kfree(full_path);
+ free_xid(xid);
++
+ return rc;
+ }
+
+diff --git a/fs/dax.c b/fs/dax.c
+index ddb4981ae32e..34a55754164f 100644
+--- a/fs/dax.c
++++ b/fs/dax.c
+@@ -1057,6 +1057,9 @@ dax_iomap_rw(struct kiocb *iocb, struct iov_iter *iter,
+ lockdep_assert_held(&inode->i_rwsem);
+ }
+
++ if (iocb->ki_flags & IOCB_NOWAIT)
++ flags |= IOMAP_NOWAIT;
++
+ while (iov_iter_count(iter)) {
+ ret = iomap_apply(inode, pos, iov_iter_count(iter), flags, ops,
+ iter, dax_iomap_actor);
+diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c
+index 3f3ec50bf773..b134315fb69d 100644
+--- a/fs/ecryptfs/keystore.c
++++ b/fs/ecryptfs/keystore.c
+@@ -1285,7 +1285,7 @@ parse_tag_1_packet(struct ecryptfs_crypt_stat *crypt_stat,
+ printk(KERN_ERR "Enter w/ first byte != 0x%.2x\n",
+ ECRYPTFS_TAG_1_PACKET_TYPE);
+ rc = -EINVAL;
+- goto out_free;
++ goto out;
+ }
+ /* Released: wipe_auth_tok_list called in ecryptfs_parse_packet_set or
+ * at end of function upon failure */
+@@ -1335,7 +1335,7 @@ parse_tag_1_packet(struct ecryptfs_crypt_stat *crypt_stat,
+ printk(KERN_WARNING "Tag 1 packet contains key larger "
+ "than ECRYPTFS_MAX_ENCRYPTED_KEY_BYTES");
+ rc = -EINVAL;
+- goto out;
++ goto out_free;
+ }
+ memcpy((*new_auth_tok)->session_key.encrypted_key,
+ &data[(*packet_size)], (body_size - (ECRYPTFS_SIG_SIZE + 2)));
+diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
+index 70266a3355dc..fb38f20f869e 100644
+--- a/fs/ext4/balloc.c
++++ b/fs/ext4/balloc.c
+@@ -280,6 +280,7 @@ struct ext4_group_desc * ext4_get_group_desc(struct super_block *sb,
+ ext4_group_t ngroups = ext4_get_groups_count(sb);
+ struct ext4_group_desc *desc;
+ struct ext4_sb_info *sbi = EXT4_SB(sb);
++ struct buffer_head *bh_p;
+
+ if (block_group >= ngroups) {
+ ext4_error(sb, "block_group >= groups_count - block_group = %u,"
+@@ -290,7 +291,14 @@ struct ext4_group_desc * ext4_get_group_desc(struct super_block *sb,
+
+ group_desc = block_group >> EXT4_DESC_PER_BLOCK_BITS(sb);
+ offset = block_group & (EXT4_DESC_PER_BLOCK(sb) - 1);
+- if (!sbi->s_group_desc[group_desc]) {
++ bh_p = sbi_array_rcu_deref(sbi, s_group_desc, group_desc);
++ /*
++ * sbi_array_rcu_deref returns with rcu unlocked, this is ok since
++ * the pointer being dereferenced won't be dereferenced again. By
++ * looking at the usage in add_new_gdb() the value isn't modified,
++ * just the pointer, and so it remains valid.
++ */
++ if (!bh_p) {
+ ext4_error(sb, "Group descriptor not loaded - "
+ "block_group = %u, group_desc = %u, desc = %u",
+ block_group, group_desc, offset);
+@@ -298,10 +306,10 @@ struct ext4_group_desc * ext4_get_group_desc(struct super_block *sb,
+ }
+
+ desc = (struct ext4_group_desc *)(
+- (__u8 *)sbi->s_group_desc[group_desc]->b_data +
++ (__u8 *)bh_p->b_data +
+ offset * EXT4_DESC_SIZE(sb));
+ if (bh)
+- *bh = sbi->s_group_desc[group_desc];
++ *bh = bh_p;
+ return desc;
+ }
+
+diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
+index b162f602c430..4aa0f8f7d9a0 100644
+--- a/fs/ext4/ext4.h
++++ b/fs/ext4/ext4.h
+@@ -1382,7 +1382,7 @@ struct ext4_sb_info {
+ loff_t s_bitmap_maxbytes; /* max bytes for bitmap files */
+ struct buffer_head * s_sbh; /* Buffer containing the super block */
+ struct ext4_super_block *s_es; /* Pointer to the super block in the buffer */
+- struct buffer_head **s_group_desc;
++ struct buffer_head * __rcu *s_group_desc;
+ unsigned int s_mount_opt;
+ unsigned int s_mount_opt2;
+ unsigned int s_mount_flags;
+@@ -1442,7 +1442,7 @@ struct ext4_sb_info {
+ #endif
+
+ /* for buddy allocator */
+- struct ext4_group_info ***s_group_info;
++ struct ext4_group_info ** __rcu *s_group_info;
+ struct inode *s_buddy_cache;
+ spinlock_t s_md_lock;
+ unsigned short *s_mb_offsets;
+@@ -1492,7 +1492,7 @@ struct ext4_sb_info {
+ unsigned int s_extent_max_zeroout_kb;
+
+ unsigned int s_log_groups_per_flex;
+- struct flex_groups *s_flex_groups;
++ struct flex_groups * __rcu *s_flex_groups;
+ ext4_group_t s_flex_groups_allocated;
+
+ /* workqueue for reserved extent conversions (buffered io) */
+@@ -1556,6 +1556,23 @@ static inline int ext4_valid_inum(struct super_block *sb, unsigned long ino)
+ ino <= le32_to_cpu(EXT4_SB(sb)->s_es->s_inodes_count));
+ }
+
++/*
++ * Returns: sbi->field[index]
++ * Used to access an array element from the following sbi fields which require
++ * rcu protection to avoid dereferencing an invalid pointer due to reassignment
++ * - s_group_desc
++ * - s_group_info
++ * - s_flex_group
++ */
++#define sbi_array_rcu_deref(sbi, field, index) \
++({ \
++ typeof(*((sbi)->field)) _v; \
++ rcu_read_lock(); \
++ _v = ((typeof(_v)*)rcu_dereference((sbi)->field))[index]; \
++ rcu_read_unlock(); \
++ _v; \
++})
++
+ /*
+ * Inode dynamic state flags
+ */
+@@ -2569,6 +2586,7 @@ extern int ext4_generic_delete_entry(handle_t *handle,
+ extern bool ext4_empty_dir(struct inode *inode);
+
+ /* resize.c */
++extern void ext4_kvfree_array_rcu(void *to_free);
+ extern int ext4_group_add(struct super_block *sb,
+ struct ext4_new_group_data *input);
+ extern int ext4_group_extend(struct super_block *sb,
+@@ -2814,13 +2832,13 @@ static inline
+ struct ext4_group_info *ext4_get_group_info(struct super_block *sb,
+ ext4_group_t group)
+ {
+- struct ext4_group_info ***grp_info;
++ struct ext4_group_info **grp_info;
+ long indexv, indexh;
+ BUG_ON(group >= EXT4_SB(sb)->s_groups_count);
+- grp_info = EXT4_SB(sb)->s_group_info;
+ indexv = group >> (EXT4_DESC_PER_BLOCK_BITS(sb));
+ indexh = group & ((EXT4_DESC_PER_BLOCK(sb)) - 1);
+- return grp_info[indexv][indexh];
++ grp_info = sbi_array_rcu_deref(EXT4_SB(sb), s_group_info, indexv);
++ return grp_info[indexh];
+ }
+
+ /*
+diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
+index 2f46564d3fca..2a480c0ef1bc 100644
+--- a/fs/ext4/ialloc.c
++++ b/fs/ext4/ialloc.c
+@@ -333,11 +333,13 @@ void ext4_free_inode(handle_t *handle, struct inode *inode)
+
+ percpu_counter_inc(&sbi->s_freeinodes_counter);
+ if (sbi->s_log_groups_per_flex) {
+- ext4_group_t f = ext4_flex_group(sbi, block_group);
++ struct flex_groups *fg;
+
+- atomic_inc(&sbi->s_flex_groups[f].free_inodes);
++ fg = sbi_array_rcu_deref(sbi, s_flex_groups,
++ ext4_flex_group(sbi, block_group));
++ atomic_inc(&fg->free_inodes);
+ if (is_directory)
+- atomic_dec(&sbi->s_flex_groups[f].used_dirs);
++ atomic_dec(&fg->used_dirs);
+ }
+ BUFFER_TRACE(bh2, "call ext4_handle_dirty_metadata");
+ fatal = ext4_handle_dirty_metadata(handle, NULL, bh2);
+@@ -378,12 +380,13 @@ static void get_orlov_stats(struct super_block *sb, ext4_group_t g,
+ int flex_size, struct orlov_stats *stats)
+ {
+ struct ext4_group_desc *desc;
+- struct flex_groups *flex_group = EXT4_SB(sb)->s_flex_groups;
+
+ if (flex_size > 1) {
+- stats->free_inodes = atomic_read(&flex_group[g].free_inodes);
+- stats->free_clusters = atomic64_read(&flex_group[g].free_clusters);
+- stats->used_dirs = atomic_read(&flex_group[g].used_dirs);
++ struct flex_groups *fg = sbi_array_rcu_deref(EXT4_SB(sb),
++ s_flex_groups, g);
++ stats->free_inodes = atomic_read(&fg->free_inodes);
++ stats->free_clusters = atomic64_read(&fg->free_clusters);
++ stats->used_dirs = atomic_read(&fg->used_dirs);
+ return;
+ }
+
+@@ -1062,7 +1065,8 @@ got:
+ if (sbi->s_log_groups_per_flex) {
+ ext4_group_t f = ext4_flex_group(sbi, group);
+
+- atomic_inc(&sbi->s_flex_groups[f].used_dirs);
++ atomic_inc(&sbi_array_rcu_deref(sbi, s_flex_groups,
++ f)->used_dirs);
+ }
+ }
+ if (ext4_has_group_desc_csum(sb)) {
+@@ -1085,7 +1089,8 @@ got:
+
+ if (sbi->s_log_groups_per_flex) {
+ flex_group = ext4_flex_group(sbi, group);
+- atomic_dec(&sbi->s_flex_groups[flex_group].free_inodes);
++ atomic_dec(&sbi_array_rcu_deref(sbi, s_flex_groups,
++ flex_group)->free_inodes);
+ }
+
+ inode->i_ino = ino + group * EXT4_INODES_PER_GROUP(sb);
+diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
+index 3ba9a4ae4eac..745a89d30a57 100644
+--- a/fs/ext4/mballoc.c
++++ b/fs/ext4/mballoc.c
+@@ -2389,7 +2389,7 @@ int ext4_mb_alloc_groupinfo(struct super_block *sb, ext4_group_t ngroups)
+ {
+ struct ext4_sb_info *sbi = EXT4_SB(sb);
+ unsigned size;
+- struct ext4_group_info ***new_groupinfo;
++ struct ext4_group_info ***old_groupinfo, ***new_groupinfo;
+
+ size = (ngroups + EXT4_DESC_PER_BLOCK(sb) - 1) >>
+ EXT4_DESC_PER_BLOCK_BITS(sb);
+@@ -2402,13 +2402,16 @@ int ext4_mb_alloc_groupinfo(struct super_block *sb, ext4_group_t ngroups)
+ ext4_msg(sb, KERN_ERR, "can't allocate buddy meta group");
+ return -ENOMEM;
+ }
+- if (sbi->s_group_info) {
+- memcpy(new_groupinfo, sbi->s_group_info,
++ rcu_read_lock();
++ old_groupinfo = rcu_dereference(sbi->s_group_info);
++ if (old_groupinfo)
++ memcpy(new_groupinfo, old_groupinfo,
+ sbi->s_group_info_size * sizeof(*sbi->s_group_info));
+- kvfree(sbi->s_group_info);
+- }
+- sbi->s_group_info = new_groupinfo;
++ rcu_read_unlock();
++ rcu_assign_pointer(sbi->s_group_info, new_groupinfo);
+ sbi->s_group_info_size = size / sizeof(*sbi->s_group_info);
++ if (old_groupinfo)
++ ext4_kvfree_array_rcu(old_groupinfo);
+ ext4_debug("allocated s_groupinfo array for %d meta_bg's\n",
+ sbi->s_group_info_size);
+ return 0;
+@@ -2420,6 +2423,7 @@ int ext4_mb_add_groupinfo(struct super_block *sb, ext4_group_t group,
+ {
+ int i;
+ int metalen = 0;
++ int idx = group >> EXT4_DESC_PER_BLOCK_BITS(sb);
+ struct ext4_sb_info *sbi = EXT4_SB(sb);
+ struct ext4_group_info **meta_group_info;
+ struct kmem_cache *cachep = get_groupinfo_cache(sb->s_blocksize_bits);
+@@ -2438,12 +2442,12 @@ int ext4_mb_add_groupinfo(struct super_block *sb, ext4_group_t group,
+ "for a buddy group");
+ goto exit_meta_group_info;
+ }
+- sbi->s_group_info[group >> EXT4_DESC_PER_BLOCK_BITS(sb)] =
+- meta_group_info;
++ rcu_read_lock();
++ rcu_dereference(sbi->s_group_info)[idx] = meta_group_info;
++ rcu_read_unlock();
+ }
+
+- meta_group_info =
+- sbi->s_group_info[group >> EXT4_DESC_PER_BLOCK_BITS(sb)];
++ meta_group_info = sbi_array_rcu_deref(sbi, s_group_info, idx);
+ i = group & (EXT4_DESC_PER_BLOCK(sb) - 1);
+
+ meta_group_info[i] = kmem_cache_zalloc(cachep, GFP_NOFS);
+@@ -2491,8 +2495,13 @@ int ext4_mb_add_groupinfo(struct super_block *sb, ext4_group_t group,
+ exit_group_info:
+ /* If a meta_group_info table has been allocated, release it now */
+ if (group % EXT4_DESC_PER_BLOCK(sb) == 0) {
+- kfree(sbi->s_group_info[group >> EXT4_DESC_PER_BLOCK_BITS(sb)]);
+- sbi->s_group_info[group >> EXT4_DESC_PER_BLOCK_BITS(sb)] = NULL;
++ struct ext4_group_info ***group_info;
++
++ rcu_read_lock();
++ group_info = rcu_dereference(sbi->s_group_info);
++ kfree(group_info[idx]);
++ group_info[idx] = NULL;
++ rcu_read_unlock();
+ }
+ exit_meta_group_info:
+ return -ENOMEM;
+@@ -2505,6 +2514,7 @@ static int ext4_mb_init_backend(struct super_block *sb)
+ struct ext4_sb_info *sbi = EXT4_SB(sb);
+ int err;
+ struct ext4_group_desc *desc;
++ struct ext4_group_info ***group_info;
+ struct kmem_cache *cachep;
+
+ err = ext4_mb_alloc_groupinfo(sb, ngroups);
+@@ -2539,11 +2549,16 @@ err_freebuddy:
+ while (i-- > 0)
+ kmem_cache_free(cachep, ext4_get_group_info(sb, i));
+ i = sbi->s_group_info_size;
++ rcu_read_lock();
++ group_info = rcu_dereference(sbi->s_group_info);
+ while (i-- > 0)
+- kfree(sbi->s_group_info[i]);
++ kfree(group_info[i]);
++ rcu_read_unlock();
+ iput(sbi->s_buddy_cache);
+ err_freesgi:
+- kvfree(sbi->s_group_info);
++ rcu_read_lock();
++ kvfree(rcu_dereference(sbi->s_group_info));
++ rcu_read_unlock();
+ return -ENOMEM;
+ }
+
+@@ -2733,7 +2748,7 @@ int ext4_mb_release(struct super_block *sb)
+ ext4_group_t ngroups = ext4_get_groups_count(sb);
+ ext4_group_t i;
+ int num_meta_group_infos;
+- struct ext4_group_info *grinfo;
++ struct ext4_group_info *grinfo, ***group_info;
+ struct ext4_sb_info *sbi = EXT4_SB(sb);
+ struct kmem_cache *cachep = get_groupinfo_cache(sb->s_blocksize_bits);
+
+@@ -2751,9 +2766,12 @@ int ext4_mb_release(struct super_block *sb)
+ num_meta_group_infos = (ngroups +
+ EXT4_DESC_PER_BLOCK(sb) - 1) >>
+ EXT4_DESC_PER_BLOCK_BITS(sb);
++ rcu_read_lock();
++ group_info = rcu_dereference(sbi->s_group_info);
+ for (i = 0; i < num_meta_group_infos; i++)
+- kfree(sbi->s_group_info[i]);
+- kvfree(sbi->s_group_info);
++ kfree(group_info[i]);
++ kvfree(group_info);
++ rcu_read_unlock();
+ }
+ kfree(sbi->s_mb_offsets);
+ kfree(sbi->s_mb_maxs);
+@@ -3052,7 +3070,8 @@ ext4_mb_mark_diskspace_used(struct ext4_allocation_context *ac,
+ ext4_group_t flex_group = ext4_flex_group(sbi,
+ ac->ac_b_ex.fe_group);
+ atomic64_sub(ac->ac_b_ex.fe_len,
+- &sbi->s_flex_groups[flex_group].free_clusters);
++ &sbi_array_rcu_deref(sbi, s_flex_groups,
++ flex_group)->free_clusters);
+ }
+
+ err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);
+@@ -4947,7 +4966,8 @@ do_more:
+ if (sbi->s_log_groups_per_flex) {
+ ext4_group_t flex_group = ext4_flex_group(sbi, block_group);
+ atomic64_add(count_clusters,
+- &sbi->s_flex_groups[flex_group].free_clusters);
++ &sbi_array_rcu_deref(sbi, s_flex_groups,
++ flex_group)->free_clusters);
+ }
+
+ if (!(flags & EXT4_FREE_BLOCKS_NO_QUOT_UPDATE))
+@@ -5092,7 +5112,8 @@ int ext4_group_add_blocks(handle_t *handle, struct super_block *sb,
+ if (sbi->s_log_groups_per_flex) {
+ ext4_group_t flex_group = ext4_flex_group(sbi, block_group);
+ atomic64_add(EXT4_NUM_B2C(sbi, blocks_freed),
+- &sbi->s_flex_groups[flex_group].free_clusters);
++ &sbi_array_rcu_deref(sbi, s_flex_groups,
++ flex_group)->free_clusters);
+ }
+
+ ext4_mb_unload_buddy(&e4b);
+diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
+index 4f7cd78d0364..d42f7471fd5b 100644
+--- a/fs/ext4/resize.c
++++ b/fs/ext4/resize.c
+@@ -17,6 +17,33 @@
+
+ #include "ext4_jbd2.h"
+
++struct ext4_rcu_ptr {
++ struct rcu_head rcu;
++ void *ptr;
++};
++
++static void ext4_rcu_ptr_callback(struct rcu_head *head)
++{
++ struct ext4_rcu_ptr *ptr;
++
++ ptr = container_of(head, struct ext4_rcu_ptr, rcu);
++ kvfree(ptr->ptr);
++ kfree(ptr);
++}
++
++void ext4_kvfree_array_rcu(void *to_free)
++{
++ struct ext4_rcu_ptr *ptr = kzalloc(sizeof(*ptr), GFP_KERNEL);
++
++ if (ptr) {
++ ptr->ptr = to_free;
++ call_rcu(&ptr->rcu, ext4_rcu_ptr_callback);
++ return;
++ }
++ synchronize_rcu();
++ kvfree(to_free);
++}
++
+ int ext4_resize_begin(struct super_block *sb)
+ {
+ struct ext4_sb_info *sbi = EXT4_SB(sb);
+@@ -545,8 +572,8 @@ static int setup_new_flex_group_blocks(struct super_block *sb,
+ brelse(gdb);
+ goto out;
+ }
+- memcpy(gdb->b_data, sbi->s_group_desc[j]->b_data,
+- gdb->b_size);
++ memcpy(gdb->b_data, sbi_array_rcu_deref(sbi,
++ s_group_desc, j)->b_data, gdb->b_size);
+ set_buffer_uptodate(gdb);
+
+ err = ext4_handle_dirty_metadata(handle, NULL, gdb);
+@@ -854,13 +881,15 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
+ }
+ brelse(dind);
+
+- o_group_desc = EXT4_SB(sb)->s_group_desc;
++ rcu_read_lock();
++ o_group_desc = rcu_dereference(EXT4_SB(sb)->s_group_desc);
+ memcpy(n_group_desc, o_group_desc,
+ EXT4_SB(sb)->s_gdb_count * sizeof(struct buffer_head *));
++ rcu_read_unlock();
+ n_group_desc[gdb_num] = gdb_bh;
+- EXT4_SB(sb)->s_group_desc = n_group_desc;
++ rcu_assign_pointer(EXT4_SB(sb)->s_group_desc, n_group_desc);
+ EXT4_SB(sb)->s_gdb_count++;
+- kvfree(o_group_desc);
++ ext4_kvfree_array_rcu(o_group_desc);
+
+ le16_add_cpu(&es->s_reserved_gdt_blocks, -1);
+ err = ext4_handle_dirty_super(handle, sb);
+@@ -904,9 +933,11 @@ static int add_new_gdb_meta_bg(struct super_block *sb,
+ return err;
+ }
+
+- o_group_desc = EXT4_SB(sb)->s_group_desc;
++ rcu_read_lock();
++ o_group_desc = rcu_dereference(EXT4_SB(sb)->s_group_desc);
+ memcpy(n_group_desc, o_group_desc,
+ EXT4_SB(sb)->s_gdb_count * sizeof(struct buffer_head *));
++ rcu_read_unlock();
+ n_group_desc[gdb_num] = gdb_bh;
+
+ BUFFER_TRACE(gdb_bh, "get_write_access");
+@@ -917,9 +948,9 @@ static int add_new_gdb_meta_bg(struct super_block *sb,
+ return err;
+ }
+
+- EXT4_SB(sb)->s_group_desc = n_group_desc;
++ rcu_assign_pointer(EXT4_SB(sb)->s_group_desc, n_group_desc);
+ EXT4_SB(sb)->s_gdb_count++;
+- kvfree(o_group_desc);
++ ext4_kvfree_array_rcu(o_group_desc);
+ return err;
+ }
+
+@@ -1183,7 +1214,8 @@ static int ext4_add_new_descs(handle_t *handle, struct super_block *sb,
+ * use non-sparse filesystems anymore. This is already checked above.
+ */
+ if (gdb_off) {
+- gdb_bh = sbi->s_group_desc[gdb_num];
++ gdb_bh = sbi_array_rcu_deref(sbi, s_group_desc,
++ gdb_num);
+ BUFFER_TRACE(gdb_bh, "get_write_access");
+ err = ext4_journal_get_write_access(handle, gdb_bh);
+
+@@ -1265,7 +1297,7 @@ static int ext4_setup_new_descs(handle_t *handle, struct super_block *sb,
+ /*
+ * get_write_access() has been called on gdb_bh by ext4_add_new_desc().
+ */
+- gdb_bh = sbi->s_group_desc[gdb_num];
++ gdb_bh = sbi_array_rcu_deref(sbi, s_group_desc, gdb_num);
+ /* Update group descriptor block for new group */
+ gdp = (struct ext4_group_desc *)(gdb_bh->b_data +
+ gdb_off * EXT4_DESC_SIZE(sb));
+@@ -1393,11 +1425,14 @@ static void ext4_update_super(struct super_block *sb,
+ percpu_counter_read(&sbi->s_freeclusters_counter));
+ if (ext4_has_feature_flex_bg(sb) && sbi->s_log_groups_per_flex) {
+ ext4_group_t flex_group;
++ struct flex_groups *fg;
++
+ flex_group = ext4_flex_group(sbi, group_data[0].group);
++ fg = sbi_array_rcu_deref(sbi, s_flex_groups, flex_group);
+ atomic64_add(EXT4_NUM_B2C(sbi, free_blocks),
+- &sbi->s_flex_groups[flex_group].free_clusters);
++ &fg->free_clusters);
+ atomic_add(EXT4_INODES_PER_GROUP(sb) * flex_gd->count,
+- &sbi->s_flex_groups[flex_group].free_inodes);
++ &fg->free_inodes);
+ }
+
+ /*
+@@ -1492,7 +1527,8 @@ exit_journal:
+ for (; gdb_num <= gdb_num_end; gdb_num++) {
+ struct buffer_head *gdb_bh;
+
+- gdb_bh = sbi->s_group_desc[gdb_num];
++ gdb_bh = sbi_array_rcu_deref(sbi, s_group_desc,
++ gdb_num);
+ if (old_gdb == gdb_bh->b_blocknr)
+ continue;
+ update_backups(sb, gdb_bh->b_blocknr, gdb_bh->b_data,
+diff --git a/fs/ext4/super.c b/fs/ext4/super.c
+index 09b443709bca..f5646bcad770 100644
+--- a/fs/ext4/super.c
++++ b/fs/ext4/super.c
+@@ -900,6 +900,8 @@ static void ext4_put_super(struct super_block *sb)
+ {
+ struct ext4_sb_info *sbi = EXT4_SB(sb);
+ struct ext4_super_block *es = sbi->s_es;
++ struct buffer_head **group_desc;
++ struct flex_groups **flex_groups;
+ int aborted = 0;
+ int i, err;
+
+@@ -931,10 +933,18 @@ static void ext4_put_super(struct super_block *sb)
+ if (!sb_rdonly(sb))
+ ext4_commit_super(sb, 1);
+
++ rcu_read_lock();
++ group_desc = rcu_dereference(sbi->s_group_desc);
+ for (i = 0; i < sbi->s_gdb_count; i++)
+- brelse(sbi->s_group_desc[i]);
+- kvfree(sbi->s_group_desc);
+- kvfree(sbi->s_flex_groups);
++ brelse(group_desc[i]);
++ kvfree(group_desc);
++ flex_groups = rcu_dereference(sbi->s_flex_groups);
++ if (flex_groups) {
++ for (i = 0; i < sbi->s_flex_groups_allocated; i++)
++ kvfree(flex_groups[i]);
++ kvfree(flex_groups);
++ }
++ rcu_read_unlock();
+ percpu_counter_destroy(&sbi->s_freeclusters_counter);
+ percpu_counter_destroy(&sbi->s_freeinodes_counter);
+ percpu_counter_destroy(&sbi->s_dirs_counter);
+@@ -2227,8 +2237,8 @@ done:
+ int ext4_alloc_flex_bg_array(struct super_block *sb, ext4_group_t ngroup)
+ {
+ struct ext4_sb_info *sbi = EXT4_SB(sb);
+- struct flex_groups *new_groups;
+- int size;
++ struct flex_groups **old_groups, **new_groups;
++ int size, i, j;
+
+ if (!sbi->s_log_groups_per_flex)
+ return 0;
+@@ -2237,22 +2247,37 @@ int ext4_alloc_flex_bg_array(struct super_block *sb, ext4_group_t ngroup)
+ if (size <= sbi->s_flex_groups_allocated)
+ return 0;
+
+- size = roundup_pow_of_two(size * sizeof(struct flex_groups));
+- new_groups = kvzalloc(size, GFP_KERNEL);
++ new_groups = kvzalloc(roundup_pow_of_two(size *
++ sizeof(*sbi->s_flex_groups)), GFP_KERNEL);
+ if (!new_groups) {
+- ext4_msg(sb, KERN_ERR, "not enough memory for %d flex groups",
+- size / (int) sizeof(struct flex_groups));
++ ext4_msg(sb, KERN_ERR,
++ "not enough memory for %d flex group pointers", size);
+ return -ENOMEM;
+ }
+-
+- if (sbi->s_flex_groups) {
+- memcpy(new_groups, sbi->s_flex_groups,
+- (sbi->s_flex_groups_allocated *
+- sizeof(struct flex_groups)));
+- kvfree(sbi->s_flex_groups);
++ for (i = sbi->s_flex_groups_allocated; i < size; i++) {
++ new_groups[i] = kvzalloc(roundup_pow_of_two(
++ sizeof(struct flex_groups)),
++ GFP_KERNEL);
++ if (!new_groups[i]) {
++ for (j = sbi->s_flex_groups_allocated; j < i; j++)
++ kvfree(new_groups[j]);
++ kvfree(new_groups);
++ ext4_msg(sb, KERN_ERR,
++ "not enough memory for %d flex groups", size);
++ return -ENOMEM;
++ }
+ }
+- sbi->s_flex_groups = new_groups;
+- sbi->s_flex_groups_allocated = size / sizeof(struct flex_groups);
++ rcu_read_lock();
++ old_groups = rcu_dereference(sbi->s_flex_groups);
++ if (old_groups)
++ memcpy(new_groups, old_groups,
++ (sbi->s_flex_groups_allocated *
++ sizeof(struct flex_groups *)));
++ rcu_read_unlock();
++ rcu_assign_pointer(sbi->s_flex_groups, new_groups);
++ sbi->s_flex_groups_allocated = size;
++ if (old_groups)
++ ext4_kvfree_array_rcu(old_groups);
+ return 0;
+ }
+
+@@ -2260,6 +2285,7 @@ static int ext4_fill_flex_info(struct super_block *sb)
+ {
+ struct ext4_sb_info *sbi = EXT4_SB(sb);
+ struct ext4_group_desc *gdp = NULL;
++ struct flex_groups *fg;
+ ext4_group_t flex_group;
+ int i, err;
+
+@@ -2277,12 +2303,11 @@ static int ext4_fill_flex_info(struct super_block *sb)
+ gdp = ext4_get_group_desc(sb, i, NULL);
+
+ flex_group = ext4_flex_group(sbi, i);
+- atomic_add(ext4_free_inodes_count(sb, gdp),
+- &sbi->s_flex_groups[flex_group].free_inodes);
++ fg = sbi_array_rcu_deref(sbi, s_flex_groups, flex_group);
++ atomic_add(ext4_free_inodes_count(sb, gdp), &fg->free_inodes);
+ atomic64_add(ext4_free_group_clusters(sb, gdp),
+- &sbi->s_flex_groups[flex_group].free_clusters);
+- atomic_add(ext4_used_dirs_count(sb, gdp),
+- &sbi->s_flex_groups[flex_group].used_dirs);
++ &fg->free_clusters);
++ atomic_add(ext4_used_dirs_count(sb, gdp), &fg->used_dirs);
+ }
+
+ return 1;
+@@ -3489,9 +3514,10 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
+ {
+ struct dax_device *dax_dev = fs_dax_get_by_bdev(sb->s_bdev);
+ char *orig_data = kstrdup(data, GFP_KERNEL);
+- struct buffer_head *bh;
++ struct buffer_head *bh, **group_desc;
+ struct ext4_super_block *es = NULL;
+ struct ext4_sb_info *sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
++ struct flex_groups **flex_groups;
+ ext4_fsblk_t block;
+ ext4_fsblk_t sb_block = get_sb_block(&data);
+ ext4_fsblk_t logical_sb_block;
+@@ -4104,9 +4130,10 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
+ goto failed_mount;
+ }
+ }
+- sbi->s_group_desc = kvmalloc(db_count *
++ rcu_assign_pointer(sbi->s_group_desc,
++ kvmalloc_array(db_count,
+ sizeof(struct buffer_head *),
+- GFP_KERNEL);
++ GFP_KERNEL));
+ if (sbi->s_group_desc == NULL) {
+ ext4_msg(sb, KERN_ERR, "not enough memory");
+ ret = -ENOMEM;
+@@ -4122,14 +4149,19 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
+ }
+
+ for (i = 0; i < db_count; i++) {
++ struct buffer_head *bh;
++
+ block = descriptor_loc(sb, logical_sb_block, i);
+- sbi->s_group_desc[i] = sb_bread_unmovable(sb, block);
+- if (!sbi->s_group_desc[i]) {
++ bh = sb_bread_unmovable(sb, block);
++ if (!bh) {
+ ext4_msg(sb, KERN_ERR,
+ "can't read group descriptor %d", i);
+ db_count = i;
+ goto failed_mount2;
+ }
++ rcu_read_lock();
++ rcu_dereference(sbi->s_group_desc)[i] = bh;
++ rcu_read_unlock();
+ }
+ sbi->s_gdb_count = db_count;
+ if (!ext4_check_descriptors(sb, logical_sb_block, &first_not_zeroed)) {
+@@ -4484,8 +4516,14 @@ failed_mount7:
+ ext4_unregister_li_request(sb);
+ failed_mount6:
+ ext4_mb_release(sb);
+- if (sbi->s_flex_groups)
+- kvfree(sbi->s_flex_groups);
++ rcu_read_lock();
++ flex_groups = rcu_dereference(sbi->s_flex_groups);
++ if (flex_groups) {
++ for (i = 0; i < sbi->s_flex_groups_allocated; i++)
++ kvfree(flex_groups[i]);
++ kvfree(flex_groups);
++ }
++ rcu_read_unlock();
+ percpu_counter_destroy(&sbi->s_freeclusters_counter);
+ percpu_counter_destroy(&sbi->s_freeinodes_counter);
+ percpu_counter_destroy(&sbi->s_dirs_counter);
+@@ -4521,9 +4559,12 @@ failed_mount3:
+ if (sbi->s_mmp_tsk)
+ kthread_stop(sbi->s_mmp_tsk);
+ failed_mount2:
++ rcu_read_lock();
++ group_desc = rcu_dereference(sbi->s_group_desc);
+ for (i = 0; i < db_count; i++)
+- brelse(sbi->s_group_desc[i]);
+- kvfree(sbi->s_group_desc);
++ brelse(group_desc[i]);
++ kvfree(group_desc);
++ rcu_read_unlock();
+ failed_mount:
+ if (sbi->s_chksum_driver)
+ crypto_free_shash(sbi->s_chksum_driver);
+diff --git a/fs/fat/inode.c b/fs/fat/inode.c
+index 3b40937b942a..1df023c4c2cc 100644
+--- a/fs/fat/inode.c
++++ b/fs/fat/inode.c
+@@ -736,6 +736,13 @@ static struct inode *fat_alloc_inode(struct super_block *sb)
+ return NULL;
+
+ init_rwsem(&ei->truncate_lock);
++ /* Zeroing to allow iput() even if partial initialized inode. */
++ ei->mmu_private = 0;
++ ei->i_start = 0;
++ ei->i_logstart = 0;
++ ei->i_attrs = 0;
++ ei->i_pos = 0;
++
+ return &ei->vfs_inode;
+ }
+
+@@ -1366,16 +1373,6 @@ out:
+ return 0;
+ }
+
+-static void fat_dummy_inode_init(struct inode *inode)
+-{
+- /* Initialize this dummy inode to work as no-op. */
+- MSDOS_I(inode)->mmu_private = 0;
+- MSDOS_I(inode)->i_start = 0;
+- MSDOS_I(inode)->i_logstart = 0;
+- MSDOS_I(inode)->i_attrs = 0;
+- MSDOS_I(inode)->i_pos = 0;
+-}
+-
+ static int fat_read_root(struct inode *inode)
+ {
+ struct msdos_sb_info *sbi = MSDOS_SB(inode->i_sb);
+@@ -1820,13 +1817,11 @@ int fat_fill_super(struct super_block *sb, void *data, int silent, int isvfat,
+ fat_inode = new_inode(sb);
+ if (!fat_inode)
+ goto out_fail;
+- fat_dummy_inode_init(fat_inode);
+ sbi->fat_inode = fat_inode;
+
+ fsinfo_inode = new_inode(sb);
+ if (!fsinfo_inode)
+ goto out_fail;
+- fat_dummy_inode_init(fsinfo_inode);
+ fsinfo_inode->i_ino = MSDOS_FSINFO_INO;
+ sbi->fsinfo_inode = fsinfo_inode;
+ insert_inode_hash(fsinfo_inode);
+diff --git a/fs/namei.c b/fs/namei.c
+index f421f8d80f4d..c5ebe33984f4 100644
+--- a/fs/namei.c
++++ b/fs/namei.c
+@@ -1382,7 +1382,7 @@ static int follow_dotdot_rcu(struct nameidata *nd)
+ nd->path.dentry = parent;
+ nd->seq = seq;
+ if (unlikely(!path_connected(&nd->path)))
+- return -ENOENT;
++ return -ECHILD;
+ break;
+ } else {
+ struct mount *mnt = real_mount(nd->path.mnt);
+diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
+index 4f077edb9b81..71fadbe77e21 100644
+--- a/include/acpi/actypes.h
++++ b/include/acpi/actypes.h
+@@ -556,11 +556,12 @@ typedef u64 acpi_integer;
+ #define ACPI_MAKE_RSDP_SIG(dest) (memcpy (ACPI_CAST_PTR (char, (dest)), ACPI_SIG_RSDP, 8))
+
+ /*
+- * Algorithm to obtain access bit width.
++ * Algorithm to obtain access bit or byte width.
+ * Can be used with access_width of struct acpi_generic_address and access_size of
+ * struct acpi_resource_generic_register.
+ */
+ #define ACPI_ACCESS_BIT_WIDTH(size) (1 << ((size) + 2))
++#define ACPI_ACCESS_BYTE_WIDTH(size) (1 << ((size) - 1))
+
+ /*******************************************************************************
+ *
+diff --git a/include/linux/bitops.h b/include/linux/bitops.h
+index b767c7ad65c6..c51574fab0b0 100644
+--- a/include/linux/bitops.h
++++ b/include/linux/bitops.h
+@@ -4,7 +4,8 @@
+ #include <asm/types.h>
+ #include <linux/bits.h>
+
+-#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long))
++#define BITS_PER_TYPE(type) (sizeof(type) * BITS_PER_BYTE)
++#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_TYPE(long))
+
+ extern unsigned int __sw_hweight8(unsigned int w);
+ extern unsigned int __sw_hweight16(unsigned int w);
+diff --git a/include/linux/hid.h b/include/linux/hid.h
+index 3656a04d764b..ba1f67559831 100644
+--- a/include/linux/hid.h
++++ b/include/linux/hid.h
+@@ -477,7 +477,7 @@ struct hid_report_enum {
+ };
+
+ #define HID_MIN_BUFFER_SIZE 64 /* make sure there is at least a packet size of space */
+-#define HID_MAX_BUFFER_SIZE 4096 /* 4kb */
++#define HID_MAX_BUFFER_SIZE 8192 /* 8kb */
+ #define HID_CONTROL_FIFO_SIZE 256 /* to init devices with >100 reports */
+ #define HID_OUTPUT_FIFO_SIZE 64
+
+diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h
+index 227dc0a84172..ddf916e5e57d 100644
+--- a/include/net/flow_dissector.h
++++ b/include/net/flow_dissector.h
+@@ -5,6 +5,7 @@
+ #include <linux/types.h>
+ #include <linux/in6.h>
+ #include <linux/siphash.h>
++#include <linux/string.h>
+ #include <uapi/linux/if_ether.h>
+
+ /**
+@@ -282,4 +283,12 @@ static inline void *skb_flow_dissector_target(struct flow_dissector *flow_dissec
+ return ((char *)target_container) + flow_dissector->offset[key_id];
+ }
+
++static inline void
++flow_dissector_init_keys(struct flow_dissector_key_control *key_control,
++ struct flow_dissector_key_basic *key_basic)
++{
++ memset(key_control, 0, sizeof(*key_control));
++ memset(key_basic, 0, sizeof(*key_basic));
++}
++
+ #endif
+diff --git a/include/uapi/linux/usb/charger.h b/include/uapi/linux/usb/charger.h
+index 5f72af35b3ed..ad22079125bf 100644
+--- a/include/uapi/linux/usb/charger.h
++++ b/include/uapi/linux/usb/charger.h
+@@ -14,18 +14,18 @@
+ * ACA (Accessory Charger Adapters)
+ */
+ enum usb_charger_type {
+- UNKNOWN_TYPE,
+- SDP_TYPE,
+- DCP_TYPE,
+- CDP_TYPE,
+- ACA_TYPE,
++ UNKNOWN_TYPE = 0,
++ SDP_TYPE = 1,
++ DCP_TYPE = 2,
++ CDP_TYPE = 3,
++ ACA_TYPE = 4,
+ };
+
+ /* USB charger state */
+ enum usb_charger_state {
+- USB_CHARGER_DEFAULT,
+- USB_CHARGER_PRESENT,
+- USB_CHARGER_ABSENT,
++ USB_CHARGER_DEFAULT = 0,
++ USB_CHARGER_PRESENT = 1,
++ USB_CHARGER_ABSENT = 2,
+ };
+
+ #endif /* _UAPI__LINUX_USB_CHARGER_H */
+diff --git a/kernel/audit.c b/kernel/audit.c
+index d301276bca58..b21a8910f765 100644
+--- a/kernel/audit.c
++++ b/kernel/audit.c
+@@ -1067,13 +1067,11 @@ static void audit_log_feature_change(int which, u32 old_feature, u32 new_feature
+ audit_log_end(ab);
+ }
+
+-static int audit_set_feature(struct sk_buff *skb)
++static int audit_set_feature(struct audit_features *uaf)
+ {
+- struct audit_features *uaf;
+ int i;
+
+ BUILD_BUG_ON(AUDIT_LAST_FEATURE + 1 > ARRAY_SIZE(audit_feature_names));
+- uaf = nlmsg_data(nlmsg_hdr(skb));
+
+ /* if there is ever a version 2 we should handle that here */
+
+@@ -1141,6 +1139,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
+ {
+ u32 seq;
+ void *data;
++ int data_len;
+ int err;
+ struct audit_buffer *ab;
+ u16 msg_type = nlh->nlmsg_type;
+@@ -1154,6 +1153,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
+
+ seq = nlh->nlmsg_seq;
+ data = nlmsg_data(nlh);
++ data_len = nlmsg_len(nlh);
+
+ switch (msg_type) {
+ case AUDIT_GET: {
+@@ -1177,7 +1177,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
+ struct audit_status s;
+ memset(&s, 0, sizeof(s));
+ /* guard against past and future API changes */
+- memcpy(&s, data, min_t(size_t, sizeof(s), nlmsg_len(nlh)));
++ memcpy(&s, data, min_t(size_t, sizeof(s), data_len));
+ if (s.mask & AUDIT_STATUS_ENABLED) {
+ err = audit_set_enabled(s.enabled);
+ if (err < 0)
+@@ -1281,7 +1281,9 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
+ return err;
+ break;
+ case AUDIT_SET_FEATURE:
+- err = audit_set_feature(skb);
++ if (data_len < sizeof(struct audit_features))
++ return -EINVAL;
++ err = audit_set_feature(data);
+ if (err)
+ return err;
+ break;
+@@ -1293,6 +1295,8 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
+
+ err = audit_filter(msg_type, AUDIT_FILTER_USER);
+ if (err == 1) { /* match or error */
++ char *str = data;
++
+ err = 0;
+ if (msg_type == AUDIT_USER_TTY) {
+ err = tty_audit_push();
+@@ -1300,26 +1304,24 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
+ break;
+ }
+ audit_log_common_recv_msg(&ab, msg_type);
+- if (msg_type != AUDIT_USER_TTY)
++ if (msg_type != AUDIT_USER_TTY) {
++ /* ensure NULL termination */
++ str[data_len - 1] = '\0';
+ audit_log_format(ab, " msg='%.*s'",
+ AUDIT_MESSAGE_TEXT_MAX,
+- (char *)data);
+- else {
+- int size;
+-
++ str);
++ } else {
+ audit_log_format(ab, " data=");
+- size = nlmsg_len(nlh);
+- if (size > 0 &&
+- ((unsigned char *)data)[size - 1] == '\0')
+- size--;
+- audit_log_n_untrustedstring(ab, data, size);
++ if (data_len > 0 && str[data_len - 1] == '\0')
++ data_len--;
++ audit_log_n_untrustedstring(ab, str, data_len);
+ }
+ audit_log_end(ab);
+ }
+ break;
+ case AUDIT_ADD_RULE:
+ case AUDIT_DEL_RULE:
+- if (nlmsg_len(nlh) < sizeof(struct audit_rule_data))
++ if (data_len < sizeof(struct audit_rule_data))
+ return -EINVAL;
+ if (audit_enabled == AUDIT_LOCKED) {
+ audit_log_common_recv_msg(&ab, AUDIT_CONFIG_CHANGE);
+@@ -1327,7 +1329,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
+ audit_log_end(ab);
+ return -EPERM;
+ }
+- err = audit_rule_change(msg_type, seq, data, nlmsg_len(nlh));
++ err = audit_rule_change(msg_type, seq, data, data_len);
+ break;
+ case AUDIT_LIST_RULES:
+ err = audit_list_rules_send(skb, seq);
+@@ -1341,7 +1343,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
+ case AUDIT_MAKE_EQUIV: {
+ void *bufp = data;
+ u32 sizes[2];
+- size_t msglen = nlmsg_len(nlh);
++ size_t msglen = data_len;
+ char *old, *new;
+
+ err = -EINVAL;
+@@ -1417,7 +1419,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
+
+ memset(&s, 0, sizeof(s));
+ /* guard against past and future API changes */
+- memcpy(&s, data, min_t(size_t, sizeof(s), nlmsg_len(nlh)));
++ memcpy(&s, data, min_t(size_t, sizeof(s), data_len));
+ /* check if new data is valid */
+ if ((s.enabled != 0 && s.enabled != 1) ||
+ (s.log_passwd != 0 && s.log_passwd != 1))
+diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
+index 215c6e1ee026..16cf396ea738 100644
+--- a/kernel/auditfilter.c
++++ b/kernel/auditfilter.c
+@@ -435,6 +435,7 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data,
+ bufp = data->buf;
+ for (i = 0; i < data->field_count; i++) {
+ struct audit_field *f = &entry->rule.fields[i];
++ u32 f_val;
+
+ err = -EINVAL;
+
+@@ -443,12 +444,12 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data,
+ goto exit_free;
+
+ f->type = data->fields[i];
+- f->val = data->values[i];
++ f_val = data->values[i];
+
+ /* Support legacy tests for a valid loginuid */
+- if ((f->type == AUDIT_LOGINUID) && (f->val == AUDIT_UID_UNSET)) {
++ if ((f->type == AUDIT_LOGINUID) && (f_val == AUDIT_UID_UNSET)) {
+ f->type = AUDIT_LOGINUID_SET;
+- f->val = 0;
++ f_val = 0;
+ entry->rule.pflags |= AUDIT_LOGINUID_LEGACY;
+ }
+
+@@ -464,7 +465,7 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data,
+ case AUDIT_SUID:
+ case AUDIT_FSUID:
+ case AUDIT_OBJ_UID:
+- f->uid = make_kuid(current_user_ns(), f->val);
++ f->uid = make_kuid(current_user_ns(), f_val);
+ if (!uid_valid(f->uid))
+ goto exit_free;
+ break;
+@@ -473,12 +474,13 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data,
+ case AUDIT_SGID:
+ case AUDIT_FSGID:
+ case AUDIT_OBJ_GID:
+- f->gid = make_kgid(current_user_ns(), f->val);
++ f->gid = make_kgid(current_user_ns(), f_val);
+ if (!gid_valid(f->gid))
+ goto exit_free;
+ break;
+ case AUDIT_SESSIONID:
+ case AUDIT_ARCH:
++ f->val = f_val;
+ entry->rule.arch_f = f;
+ break;
+ case AUDIT_SUBJ_USER:
+@@ -491,11 +493,13 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data,
+ case AUDIT_OBJ_TYPE:
+ case AUDIT_OBJ_LEV_LOW:
+ case AUDIT_OBJ_LEV_HIGH:
+- str = audit_unpack_string(&bufp, &remain, f->val);
+- if (IS_ERR(str))
++ str = audit_unpack_string(&bufp, &remain, f_val);
++ if (IS_ERR(str)) {
++ err = PTR_ERR(str);
+ goto exit_free;
+- entry->rule.buflen += f->val;
+-
++ }
++ entry->rule.buflen += f_val;
++ f->lsm_str = str;
+ err = security_audit_rule_init(f->type, f->op, str,
+ (void **)&f->lsm_rule);
+ /* Keep currently invalid fields around in case they
+@@ -504,68 +508,71 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data,
+ pr_warn("audit rule for LSM \'%s\' is invalid\n",
+ str);
+ err = 0;
+- }
+- if (err) {
+- kfree(str);
++ } else if (err)
+ goto exit_free;
+- } else
+- f->lsm_str = str;
+ break;
+ case AUDIT_WATCH:
+- str = audit_unpack_string(&bufp, &remain, f->val);
+- if (IS_ERR(str))
++ str = audit_unpack_string(&bufp, &remain, f_val);
++ if (IS_ERR(str)) {
++ err = PTR_ERR(str);
+ goto exit_free;
+- entry->rule.buflen += f->val;
+-
+- err = audit_to_watch(&entry->rule, str, f->val, f->op);
++ }
++ err = audit_to_watch(&entry->rule, str, f_val, f->op);
+ if (err) {
+ kfree(str);
+ goto exit_free;
+ }
++ entry->rule.buflen += f_val;
+ break;
+ case AUDIT_DIR:
+- str = audit_unpack_string(&bufp, &remain, f->val);
+- if (IS_ERR(str))
++ str = audit_unpack_string(&bufp, &remain, f_val);
++ if (IS_ERR(str)) {
++ err = PTR_ERR(str);
+ goto exit_free;
+- entry->rule.buflen += f->val;
+-
++ }
+ err = audit_make_tree(&entry->rule, str, f->op);
+ kfree(str);
+ if (err)
+ goto exit_free;
++ entry->rule.buflen += f_val;
+ break;
+ case AUDIT_INODE:
++ f->val = f_val;
+ err = audit_to_inode(&entry->rule, f);
+ if (err)
+ goto exit_free;
+ break;
+ case AUDIT_FILTERKEY:
+- if (entry->rule.filterkey || f->val > AUDIT_MAX_KEY_LEN)
++ if (entry->rule.filterkey || f_val > AUDIT_MAX_KEY_LEN)
+ goto exit_free;
+- str = audit_unpack_string(&bufp, &remain, f->val);
+- if (IS_ERR(str))
++ str = audit_unpack_string(&bufp, &remain, f_val);
++ if (IS_ERR(str)) {
++ err = PTR_ERR(str);
+ goto exit_free;
+- entry->rule.buflen += f->val;
++ }
++ entry->rule.buflen += f_val;
+ entry->rule.filterkey = str;
+ break;
+ case AUDIT_EXE:
+- if (entry->rule.exe || f->val > PATH_MAX)
++ if (entry->rule.exe || f_val > PATH_MAX)
+ goto exit_free;
+- str = audit_unpack_string(&bufp, &remain, f->val);
++ str = audit_unpack_string(&bufp, &remain, f_val);
+ if (IS_ERR(str)) {
+ err = PTR_ERR(str);
+ goto exit_free;
+ }
+- entry->rule.buflen += f->val;
+-
+- audit_mark = audit_alloc_mark(&entry->rule, str, f->val);
++ audit_mark = audit_alloc_mark(&entry->rule, str, f_val);
+ if (IS_ERR(audit_mark)) {
+ kfree(str);
+ err = PTR_ERR(audit_mark);
+ goto exit_free;
+ }
++ entry->rule.buflen += f_val;
+ entry->rule.exe = audit_mark;
+ break;
++ default:
++ f->val = f_val;
++ break;
+ }
+ }
+
+diff --git a/kernel/kprobes.c b/kernel/kprobes.c
+index d0fe20a5475f..66f1818d4762 100644
+--- a/kernel/kprobes.c
++++ b/kernel/kprobes.c
+@@ -523,6 +523,8 @@ static void do_unoptimize_kprobes(void)
+ arch_unoptimize_kprobes(&unoptimizing_list, &freeing_list);
+ /* Loop free_list for disarming */
+ list_for_each_entry_safe(op, tmp, &freeing_list, list) {
++ /* Switching from detour code to origin */
++ op->kp.flags &= ~KPROBE_FLAG_OPTIMIZED;
+ /* Disarm probes if marked disabled */
+ if (kprobe_disabled(&op->kp))
+ arch_disarm_kprobe(&op->kp);
+@@ -623,6 +625,18 @@ void wait_for_kprobe_optimizer(void)
+ mutex_unlock(&kprobe_mutex);
+ }
+
++static bool optprobe_queued_unopt(struct optimized_kprobe *op)
++{
++ struct optimized_kprobe *_op;
++
++ list_for_each_entry(_op, &unoptimizing_list, list) {
++ if (op == _op)
++ return true;
++ }
++
++ return false;
++}
++
+ /* Optimize kprobe if p is ready to be optimized */
+ static void optimize_kprobe(struct kprobe *p)
+ {
+@@ -644,17 +658,21 @@ static void optimize_kprobe(struct kprobe *p)
+ return;
+
+ /* Check if it is already optimized. */
+- if (op->kp.flags & KPROBE_FLAG_OPTIMIZED)
++ if (op->kp.flags & KPROBE_FLAG_OPTIMIZED) {
++ if (optprobe_queued_unopt(op)) {
++ /* This is under unoptimizing. Just dequeue the probe */
++ list_del_init(&op->list);
++ }
+ return;
++ }
+ op->kp.flags |= KPROBE_FLAG_OPTIMIZED;
+
+- if (!list_empty(&op->list))
+- /* This is under unoptimizing. Just dequeue the probe */
+- list_del_init(&op->list);
+- else {
+- list_add(&op->list, &optimizing_list);
+- kick_kprobe_optimizer();
+- }
++ /* On unoptimizing/optimizing_list, op must have OPTIMIZED flag */
++ if (WARN_ON_ONCE(!list_empty(&op->list)))
++ return;
++
++ list_add(&op->list, &optimizing_list);
++ kick_kprobe_optimizer();
+ }
+
+ /* Short cut to direct unoptimizing */
+@@ -662,6 +680,7 @@ static void force_unoptimize_kprobe(struct optimized_kprobe *op)
+ {
+ lockdep_assert_cpus_held();
+ arch_unoptimize_kprobe(op);
++ op->kp.flags &= ~KPROBE_FLAG_OPTIMIZED;
+ if (kprobe_disabled(&op->kp))
+ arch_disarm_kprobe(&op->kp);
+ }
+@@ -675,31 +694,33 @@ static void unoptimize_kprobe(struct kprobe *p, bool force)
+ return; /* This is not an optprobe nor optimized */
+
+ op = container_of(p, struct optimized_kprobe, kp);
+- if (!kprobe_optimized(p)) {
+- /* Unoptimized or unoptimizing case */
+- if (force && !list_empty(&op->list)) {
+- /*
+- * Only if this is unoptimizing kprobe and forced,
+- * forcibly unoptimize it. (No need to unoptimize
+- * unoptimized kprobe again :)
+- */
+- list_del_init(&op->list);
+- force_unoptimize_kprobe(op);
+- }
++ if (!kprobe_optimized(p))
+ return;
+- }
+
+- op->kp.flags &= ~KPROBE_FLAG_OPTIMIZED;
+ if (!list_empty(&op->list)) {
+- /* Dequeue from the optimization queue */
+- list_del_init(&op->list);
++ if (optprobe_queued_unopt(op)) {
++ /* Queued in unoptimizing queue */
++ if (force) {
++ /*
++ * Forcibly unoptimize the kprobe here, and queue it
++ * in the freeing list for release afterwards.
++ */
++ force_unoptimize_kprobe(op);
++ list_move(&op->list, &freeing_list);
++ }
++ } else {
++ /* Dequeue from the optimizing queue */
++ list_del_init(&op->list);
++ op->kp.flags &= ~KPROBE_FLAG_OPTIMIZED;
++ }
+ return;
+ }
++
+ /* Optimized kprobe case */
+- if (force)
++ if (force) {
+ /* Forcibly update the code: this is a special case */
+ force_unoptimize_kprobe(op);
+- else {
++ } else {
+ list_add(&op->list, &unoptimizing_list);
+ kick_kprobe_optimizer();
+ }
+diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
+index c456c2b06277..207d7c35214f 100644
+--- a/kernel/trace/trace.c
++++ b/kernel/trace/trace.c
+@@ -1543,6 +1543,7 @@ static __init int init_trace_selftests(void)
+
+ pr_info("Running postponed tracer tests:\n");
+
++ tracing_selftest_running = true;
+ list_for_each_entry_safe(p, n, &postponed_selftests, list) {
+ ret = run_tracer_selftest(p->type);
+ /* If the test fails, then warn and remove from available_tracers */
+@@ -1561,6 +1562,7 @@ static __init int init_trace_selftests(void)
+ list_del(&p->list);
+ kfree(p);
+ }
++ tracing_selftest_running = false;
+
+ out:
+ mutex_unlock(&trace_types_lock);
+diff --git a/mm/huge_memory.c b/mm/huge_memory.c
+index 92915cc87549..283963032eff 100644
+--- a/mm/huge_memory.c
++++ b/mm/huge_memory.c
+@@ -163,16 +163,13 @@ static ssize_t enabled_store(struct kobject *kobj,
+ {
+ ssize_t ret = count;
+
+- if (!memcmp("always", buf,
+- min(sizeof("always")-1, count))) {
++ if (sysfs_streq(buf, "always")) {
+ clear_bit(TRANSPARENT_HUGEPAGE_REQ_MADV_FLAG, &transparent_hugepage_flags);
+ set_bit(TRANSPARENT_HUGEPAGE_FLAG, &transparent_hugepage_flags);
+- } else if (!memcmp("madvise", buf,
+- min(sizeof("madvise")-1, count))) {
++ } else if (sysfs_streq(buf, "madvise")) {
+ clear_bit(TRANSPARENT_HUGEPAGE_FLAG, &transparent_hugepage_flags);
+ set_bit(TRANSPARENT_HUGEPAGE_REQ_MADV_FLAG, &transparent_hugepage_flags);
+- } else if (!memcmp("never", buf,
+- min(sizeof("never")-1, count))) {
++ } else if (sysfs_streq(buf, "never")) {
+ clear_bit(TRANSPARENT_HUGEPAGE_FLAG, &transparent_hugepage_flags);
+ clear_bit(TRANSPARENT_HUGEPAGE_REQ_MADV_FLAG, &transparent_hugepage_flags);
+ } else
+@@ -236,32 +233,27 @@ static ssize_t defrag_store(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ const char *buf, size_t count)
+ {
+- if (!memcmp("always", buf,
+- min(sizeof("always")-1, count))) {
++ if (sysfs_streq(buf, "always")) {
+ clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_FLAG, &transparent_hugepage_flags);
+ clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_OR_MADV_FLAG, &transparent_hugepage_flags);
+ clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_REQ_MADV_FLAG, &transparent_hugepage_flags);
+ set_bit(TRANSPARENT_HUGEPAGE_DEFRAG_DIRECT_FLAG, &transparent_hugepage_flags);
+- } else if (!memcmp("defer+madvise", buf,
+- min(sizeof("defer+madvise")-1, count))) {
++ } else if (sysfs_streq(buf, "defer+madvise")) {
+ clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_DIRECT_FLAG, &transparent_hugepage_flags);
+ clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_FLAG, &transparent_hugepage_flags);
+ clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_REQ_MADV_FLAG, &transparent_hugepage_flags);
+ set_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_OR_MADV_FLAG, &transparent_hugepage_flags);
+- } else if (!memcmp("defer", buf,
+- min(sizeof("defer")-1, count))) {
++ } else if (sysfs_streq(buf, "defer")) {
+ clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_DIRECT_FLAG, &transparent_hugepage_flags);
+ clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_OR_MADV_FLAG, &transparent_hugepage_flags);
+ clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_REQ_MADV_FLAG, &transparent_hugepage_flags);
+ set_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_FLAG, &transparent_hugepage_flags);
+- } else if (!memcmp("madvise", buf,
+- min(sizeof("madvise")-1, count))) {
++ } else if (sysfs_streq(buf, "madvise")) {
+ clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_DIRECT_FLAG, &transparent_hugepage_flags);
+ clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_FLAG, &transparent_hugepage_flags);
+ clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_OR_MADV_FLAG, &transparent_hugepage_flags);
+ set_bit(TRANSPARENT_HUGEPAGE_DEFRAG_REQ_MADV_FLAG, &transparent_hugepage_flags);
+- } else if (!memcmp("never", buf,
+- min(sizeof("never")-1, count))) {
++ } else if (sysfs_streq(buf, "never")) {
+ clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_DIRECT_FLAG, &transparent_hugepage_flags);
+ clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_FLAG, &transparent_hugepage_flags);
+ clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_OR_MADV_FLAG, &transparent_hugepage_flags);
+@@ -2561,7 +2553,7 @@ int split_huge_page_to_list(struct page *page, struct list_head *list)
+ unsigned long flags;
+ pgoff_t end;
+
+- VM_BUG_ON_PAGE(is_huge_zero_page(page), page);
++ VM_BUG_ON_PAGE(is_huge_zero_page(head), head);
+ VM_BUG_ON_PAGE(!PageLocked(page), page);
+ VM_BUG_ON_PAGE(!PageCompound(page), page);
+
+diff --git a/mm/mprotect.c b/mm/mprotect.c
+index 60864e19421e..18ecbd744978 100644
+--- a/mm/mprotect.c
++++ b/mm/mprotect.c
+@@ -148,6 +148,31 @@ static unsigned long change_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
+ return pages;
+ }
+
++/*
++ * Used when setting automatic NUMA hinting protection where it is
++ * critical that a numa hinting PMD is not confused with a bad PMD.
++ */
++static inline int pmd_none_or_clear_bad_unless_trans_huge(pmd_t *pmd)
++{
++ pmd_t pmdval = pmd_read_atomic(pmd);
++
++ /* See pmd_none_or_trans_huge_or_clear_bad for info on barrier */
++#ifdef CONFIG_TRANSPARENT_HUGEPAGE
++ barrier();
++#endif
++
++ if (pmd_none(pmdval))
++ return 1;
++ if (pmd_trans_huge(pmdval))
++ return 0;
++ if (unlikely(pmd_bad(pmdval))) {
++ pmd_clear_bad(pmd);
++ return 1;
++ }
++
++ return 0;
++}
++
+ static inline unsigned long change_pmd_range(struct vm_area_struct *vma,
+ pud_t *pud, unsigned long addr, unsigned long end,
+ pgprot_t newprot, int dirty_accountable, int prot_numa)
+@@ -164,8 +189,17 @@ static inline unsigned long change_pmd_range(struct vm_area_struct *vma,
+ unsigned long this_pages;
+
+ next = pmd_addr_end(addr, end);
+- if (!is_swap_pmd(*pmd) && !pmd_trans_huge(*pmd) && !pmd_devmap(*pmd)
+- && pmd_none_or_clear_bad(pmd))
++
++ /*
++ * Automatic NUMA balancing walks the tables with mmap_sem
++ * held for read. It's possible a parallel update to occur
++ * between pmd_trans_huge() and a pmd_none_or_clear_bad()
++ * check leading to a false positive and clearing.
++ * Hence, it's necessary to atomically read the PMD value
++ * for all the checks.
++ */
++ if (!is_swap_pmd(*pmd) && !pmd_devmap(*pmd) &&
++ pmd_none_or_clear_bad_unless_trans_huge(pmd))
+ goto next;
+
+ /* invoke the mmu notifier if the pmd is populated */
+diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
+index 9a6d97c1d810..9bb321df0869 100644
+--- a/net/core/fib_rules.c
++++ b/net/core/fib_rules.c
+@@ -799,7 +799,7 @@ static int fib_nl_fill_rule(struct sk_buff *skb, struct fib_rule *rule,
+
+ frh = nlmsg_data(nlh);
+ frh->family = ops->family;
+- frh->table = rule->table;
++ frh->table = rule->table < 256 ? rule->table : RT_TABLE_COMPAT;
+ if (nla_put_u32(skb, FRA_TABLE, rule->table))
+ goto nla_put_failure;
+ if (nla_put_u32(skb, FRA_SUPPRESS_PREFIXLEN, rule->suppress_prefixlen))
+diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
+index e5308d7cbd75..d43abeb1e415 100644
+--- a/net/ipv6/ip6_fib.c
++++ b/net/ipv6/ip6_fib.c
+@@ -893,8 +893,7 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
+ found++;
+ break;
+ }
+- if (rt_can_ecmp)
+- fallback_ins = fallback_ins ?: ins;
++ fallback_ins = fallback_ins ?: ins;
+ goto next_iter;
+ }
+
+@@ -934,7 +933,9 @@ next_iter:
+ }
+
+ if (fallback_ins && !found) {
+- /* No ECMP-able route found, replace first non-ECMP one */
++ /* No matching route with same ecmp-able-ness found, replace
++ * first matching route
++ */
+ ins = fallback_ins;
+ iter = *ins;
+ found++;
+diff --git a/net/ipv6/route.c b/net/ipv6/route.c
+index b81522bcf223..a4079ed56803 100644
+--- a/net/ipv6/route.c
++++ b/net/ipv6/route.c
+@@ -3283,6 +3283,7 @@ static int ip6_route_multipath_add(struct fib6_config *cfg,
+ */
+ cfg->fc_nlinfo.nlh->nlmsg_flags &= ~(NLM_F_EXCL |
+ NLM_F_REPLACE);
++ cfg->fc_nlinfo.nlh->nlmsg_flags |= NLM_F_CREATE;
+ nhn++;
+ }
+
+diff --git a/net/mac80211/util.c b/net/mac80211/util.c
+index 81f120466c38..cd3cdd1a0b57 100644
+--- a/net/mac80211/util.c
++++ b/net/mac80211/util.c
+@@ -944,16 +944,22 @@ u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
+ elem_parse_failed = true;
+ break;
+ case WLAN_EID_VHT_OPERATION:
+- if (elen >= sizeof(struct ieee80211_vht_operation))
++ if (elen >= sizeof(struct ieee80211_vht_operation)) {
+ elems->vht_operation = (void *)pos;
+- else
+- elem_parse_failed = true;
++ if (calc_crc)
++ crc = crc32_be(crc, pos - 2, elen + 2);
++ break;
++ }
++ elem_parse_failed = true;
+ break;
+ case WLAN_EID_OPMODE_NOTIF:
+- if (elen > 0)
++ if (elen > 0) {
+ elems->opmode_notif = pos;
+- else
+- elem_parse_failed = true;
++ if (calc_crc)
++ crc = crc32_be(crc, pos - 2, elen + 2);
++ break;
++ }
++ elem_parse_failed = true;
+ break;
+ case WLAN_EID_MESH_ID:
+ elems->mesh_id = pos;
+diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
+index 2e65271bed01..a79f5a89cab1 100644
+--- a/net/netfilter/nf_conntrack_core.c
++++ b/net/netfilter/nf_conntrack_core.c
+@@ -543,6 +543,18 @@ nf_ct_key_equal(struct nf_conntrack_tuple_hash *h,
+ net_eq(net, nf_ct_net(ct));
+ }
+
++static inline bool
++nf_ct_match(const struct nf_conn *ct1, const struct nf_conn *ct2)
++{
++ return nf_ct_tuple_equal(&ct1->tuplehash[IP_CT_DIR_ORIGINAL].tuple,
++ &ct2->tuplehash[IP_CT_DIR_ORIGINAL].tuple) &&
++ nf_ct_tuple_equal(&ct1->tuplehash[IP_CT_DIR_REPLY].tuple,
++ &ct2->tuplehash[IP_CT_DIR_REPLY].tuple) &&
++ nf_ct_zone_equal(ct1, nf_ct_zone(ct2), IP_CT_DIR_ORIGINAL) &&
++ nf_ct_zone_equal(ct1, nf_ct_zone(ct2), IP_CT_DIR_REPLY) &&
++ net_eq(nf_ct_net(ct1), nf_ct_net(ct2));
++}
++
+ /* caller must hold rcu readlock and none of the nf_conntrack_locks */
+ static void nf_ct_gc_expired(struct nf_conn *ct)
+ {
+@@ -736,19 +748,21 @@ static int nf_ct_resolve_clash(struct net *net, struct sk_buff *skb,
+ /* This is the conntrack entry already in hashes that won race. */
+ struct nf_conn *ct = nf_ct_tuplehash_to_ctrack(h);
+ const struct nf_conntrack_l4proto *l4proto;
++ enum ip_conntrack_info oldinfo;
++ struct nf_conn *loser_ct = nf_ct_get(skb, &oldinfo);
+
+ l4proto = __nf_ct_l4proto_find(nf_ct_l3num(ct), nf_ct_protonum(ct));
+ if (l4proto->allow_clash &&
+- ((ct->status & IPS_NAT_DONE_MASK) == 0) &&
+ !nf_ct_is_dying(ct) &&
+ atomic_inc_not_zero(&ct->ct_general.use)) {
+- enum ip_conntrack_info oldinfo;
+- struct nf_conn *loser_ct = nf_ct_get(skb, &oldinfo);
+-
+- nf_ct_acct_merge(ct, ctinfo, loser_ct);
+- nf_conntrack_put(&loser_ct->ct_general);
+- nf_ct_set(skb, ct, oldinfo);
+- return NF_ACCEPT;
++ if (((ct->status & IPS_NAT_DONE_MASK) == 0) ||
++ nf_ct_match(ct, loser_ct)) {
++ nf_ct_acct_merge(ct, ctinfo, loser_ct);
++ nf_conntrack_put(&loser_ct->ct_general);
++ nf_ct_set(skb, ct, oldinfo);
++ return NF_ACCEPT;
++ }
++ nf_ct_put(ct);
+ }
+ NF_CT_STAT_INC(net, drop);
+ return NF_DROP;
+diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
+index c67abda5d639..07924559cb10 100644
+--- a/net/netlink/af_netlink.c
++++ b/net/netlink/af_netlink.c
+@@ -997,7 +997,8 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr,
+ if (nlk->netlink_bind && groups) {
+ int group;
+
+- for (group = 0; group < nlk->ngroups; group++) {
++ /* nl_groups is a u32, so cap the maximum groups we can bind */
++ for (group = 0; group < BITS_PER_TYPE(u32); group++) {
+ if (!test_bit(group, &groups))
+ continue;
+ err = nlk->netlink_bind(net, group + 1);
+@@ -1016,7 +1017,7 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr,
+ netlink_insert(sk, nladdr->nl_pid) :
+ netlink_autobind(sock);
+ if (err) {
+- netlink_undo_bind(nlk->ngroups, groups, sk);
++ netlink_undo_bind(BITS_PER_TYPE(u32), groups, sk);
+ goto unlock;
+ }
+ }
+diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
+index 80a5a6d503c8..8974bd25c71e 100644
+--- a/net/sched/cls_flower.c
++++ b/net/sched/cls_flower.c
+@@ -160,6 +160,7 @@ static int fl_classify(struct sk_buff *skb, const struct tcf_proto *tp,
+ if (!atomic_read(&head->ht.nelems))
+ return -1;
+
++ flow_dissector_init_keys(&skb_key.control, &skb_key.basic);
+ fl_clear_masked_range(&skb_key, &head->mask);
+
+ info = skb_tunnel_info(skb);
+diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
+index a2e058127ef7..ba29d782af30 100644
+--- a/net/sctp/sm_statefuns.c
++++ b/net/sctp/sm_statefuns.c
+@@ -182,6 +182,16 @@ static inline bool sctp_chunk_length_valid(struct sctp_chunk *chunk,
+ return true;
+ }
+
++/* Check for format error in an ABORT chunk */
++static inline bool sctp_err_chunk_valid(struct sctp_chunk *chunk)
++{
++ struct sctp_errhdr *err;
++
++ sctp_walk_errors(err, chunk->chunk_hdr);
++
++ return (void *)err == (void *)chunk->chunk_end;
++}
++
+ /**********************************************************
+ * These are the state functions for handling chunk events.
+ **********************************************************/
+@@ -2202,6 +2212,9 @@ enum sctp_disposition sctp_sf_shutdown_pending_abort(
+ sctp_bind_addr_state(&asoc->base.bind_addr, &chunk->dest))
+ return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands);
+
++ if (!sctp_err_chunk_valid(chunk))
++ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
++
+ return __sctp_sf_do_9_1_abort(net, ep, asoc, type, arg, commands);
+ }
+
+@@ -2245,6 +2258,9 @@ enum sctp_disposition sctp_sf_shutdown_sent_abort(
+ sctp_bind_addr_state(&asoc->base.bind_addr, &chunk->dest))
+ return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands);
+
++ if (!sctp_err_chunk_valid(chunk))
++ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
++
+ /* Stop the T2-shutdown timer. */
+ sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP,
+ SCTP_TO(SCTP_EVENT_TIMEOUT_T2_SHUTDOWN));
+@@ -2512,6 +2528,9 @@ enum sctp_disposition sctp_sf_do_9_1_abort(
+ sctp_bind_addr_state(&asoc->base.bind_addr, &chunk->dest))
+ return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands);
+
++ if (!sctp_err_chunk_valid(chunk))
++ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
++
+ return __sctp_sf_do_9_1_abort(net, ep, asoc, type, arg, commands);
+ }
+
+@@ -2529,16 +2548,8 @@ static enum sctp_disposition __sctp_sf_do_9_1_abort(
+
+ /* See if we have an error cause code in the chunk. */
+ len = ntohs(chunk->chunk_hdr->length);
+- if (len >= sizeof(struct sctp_chunkhdr) + sizeof(struct sctp_errhdr)) {
+- struct sctp_errhdr *err;
+-
+- sctp_walk_errors(err, chunk->chunk_hdr);
+- if ((void *)err != (void *)chunk->chunk_end)
+- return sctp_sf_pdiscard(net, ep, asoc, type, arg,
+- commands);
+-
++ if (len >= sizeof(struct sctp_chunkhdr) + sizeof(struct sctp_errhdr))
+ error = ((struct sctp_errhdr *)chunk->skb->data)->cause;
+- }
+
+ sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, SCTP_ERROR(ECONNRESET));
+ /* ASSOC_FAILED will DELETE_TCB. */
+diff --git a/net/wireless/ethtool.c b/net/wireless/ethtool.c
+index a9c0f368db5d..24e18405cdb4 100644
+--- a/net/wireless/ethtool.c
++++ b/net/wireless/ethtool.c
+@@ -7,9 +7,13 @@
+ void cfg80211_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
+ {
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
++ struct device *pdev = wiphy_dev(wdev->wiphy);
+
+- strlcpy(info->driver, wiphy_dev(wdev->wiphy)->driver->name,
+- sizeof(info->driver));
++ if (pdev->driver)
++ strlcpy(info->driver, pdev->driver->name,
++ sizeof(info->driver));
++ else
++ strlcpy(info->driver, "N/A", sizeof(info->driver));
+
+ strlcpy(info->version, init_utsname()->release, sizeof(info->version));
+
+diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
+index df8c5312f26a..b248578aeb7b 100644
+--- a/net/wireless/nl80211.c
++++ b/net/wireless/nl80211.c
+@@ -321,6 +321,7 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
+ [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
+ [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
+ [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
++ [NL80211_ATTR_STATUS_CODE] = { .type = NLA_U16 },
+ [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
+ [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
+ [NL80211_ATTR_PID] = { .type = NLA_U32 },
+diff --git a/sound/soc/codecs/pcm512x.c b/sound/soc/codecs/pcm512x.c
+index 68feae262476..940bdc30753d 100644
+--- a/sound/soc/codecs/pcm512x.c
++++ b/sound/soc/codecs/pcm512x.c
+@@ -1438,13 +1438,15 @@ int pcm512x_probe(struct device *dev, struct regmap *regmap)
+ }
+
+ pcm512x->sclk = devm_clk_get(dev, NULL);
+- if (PTR_ERR(pcm512x->sclk) == -EPROBE_DEFER)
+- return -EPROBE_DEFER;
++ if (PTR_ERR(pcm512x->sclk) == -EPROBE_DEFER) {
++ ret = -EPROBE_DEFER;
++ goto err;
++ }
+ if (!IS_ERR(pcm512x->sclk)) {
+ ret = clk_prepare_enable(pcm512x->sclk);
+ if (ret != 0) {
+ dev_err(dev, "Failed to enable SCLK: %d\n", ret);
+- return ret;
++ goto err;
+ }
+ }
+
+diff --git a/sound/soc/intel/skylake/skl-debug.c b/sound/soc/intel/skylake/skl-debug.c
+index 1987f78ea91e..71c6bbf37b6c 100644
+--- a/sound/soc/intel/skylake/skl-debug.c
++++ b/sound/soc/intel/skylake/skl-debug.c
+@@ -42,8 +42,8 @@ static ssize_t skl_print_pins(struct skl_module_pin *m_pin, char *buf,
+ int i;
+ ssize_t ret = 0;
+
+- for (i = 0; i < max_pin; i++)
+- ret += snprintf(buf + size, MOD_BUF - size,
++ for (i = 0; i < max_pin; i++) {
++ ret += scnprintf(buf + size, MOD_BUF - size,
+ "%s %d\n\tModule %d\n\tInstance %d\n\t"
+ "In-used %s\n\tType %s\n"
+ "\tState %d\n\tIndex %d\n",
+@@ -53,13 +53,15 @@ static ssize_t skl_print_pins(struct skl_module_pin *m_pin, char *buf,
+ m_pin[i].in_use ? "Used" : "Unused",
+ m_pin[i].is_dynamic ? "Dynamic" : "Static",
+ m_pin[i].pin_state, i);
++ size += ret;
++ }
+ return ret;
+ }
+
+ static ssize_t skl_print_fmt(struct skl_module_fmt *fmt, char *buf,
+ ssize_t size, bool direction)
+ {
+- return snprintf(buf + size, MOD_BUF - size,
++ return scnprintf(buf + size, MOD_BUF - size,
+ "%s\n\tCh %d\n\tFreq %d\n\tBit depth %d\n\t"
+ "Valid bit depth %d\n\tCh config %#x\n\tInterleaving %d\n\t"
+ "Sample Type %d\n\tCh Map %#x\n",
+@@ -81,16 +83,16 @@ static ssize_t module_read(struct file *file, char __user *user_buf,
+ if (!buf)
+ return -ENOMEM;
+
+- ret = snprintf(buf, MOD_BUF, "Module:\n\tUUID %pUL\n\tModule id %d\n"
++ ret = scnprintf(buf, MOD_BUF, "Module:\n\tUUID %pUL\n\tModule id %d\n"
+ "\tInstance id %d\n\tPvt_id %d\n", mconfig->guid,
+ mconfig->id.module_id, mconfig->id.instance_id,
+ mconfig->id.pvt_id);
+
+- ret += snprintf(buf + ret, MOD_BUF - ret,
++ ret += scnprintf(buf + ret, MOD_BUF - ret,
+ "Resources:\n\tMCPS %#x\n\tIBS %#x\n\tOBS %#x\t\n",
+ mconfig->mcps, mconfig->ibs, mconfig->obs);
+
+- ret += snprintf(buf + ret, MOD_BUF - ret,
++ ret += scnprintf(buf + ret, MOD_BUF - ret,
+ "Module data:\n\tCore %d\n\tIn queue %d\n\t"
+ "Out queue %d\n\tType %s\n",
+ mconfig->core_id, mconfig->max_in_queue,
+@@ -100,38 +102,38 @@ static ssize_t module_read(struct file *file, char __user *user_buf,
+ ret += skl_print_fmt(mconfig->in_fmt, buf, ret, true);
+ ret += skl_print_fmt(mconfig->out_fmt, buf, ret, false);
+
+- ret += snprintf(buf + ret, MOD_BUF - ret,
++ ret += scnprintf(buf + ret, MOD_BUF - ret,
+ "Fixup:\n\tParams %#x\n\tConverter %#x\n",
+ mconfig->params_fixup, mconfig->converter);
+
+- ret += snprintf(buf + ret, MOD_BUF - ret,
++ ret += scnprintf(buf + ret, MOD_BUF - ret,
+ "Module Gateway:\n\tType %#x\n\tVbus %#x\n\tHW conn %#x\n\tSlot %#x\n",
+ mconfig->dev_type, mconfig->vbus_id,
+ mconfig->hw_conn_type, mconfig->time_slot);
+
+- ret += snprintf(buf + ret, MOD_BUF - ret,
++ ret += scnprintf(buf + ret, MOD_BUF - ret,
+ "Pipeline:\n\tID %d\n\tPriority %d\n\tConn Type %d\n\t"
+ "Pages %#x\n", mconfig->pipe->ppl_id,
+ mconfig->pipe->pipe_priority, mconfig->pipe->conn_type,
+ mconfig->pipe->memory_pages);
+
+- ret += snprintf(buf + ret, MOD_BUF - ret,
++ ret += scnprintf(buf + ret, MOD_BUF - ret,
+ "\tParams:\n\t\tHost DMA %d\n\t\tLink DMA %d\n",
+ mconfig->pipe->p_params->host_dma_id,
+ mconfig->pipe->p_params->link_dma_id);
+
+- ret += snprintf(buf + ret, MOD_BUF - ret,
++ ret += scnprintf(buf + ret, MOD_BUF - ret,
+ "\tPCM params:\n\t\tCh %d\n\t\tFreq %d\n\t\tFormat %d\n",
+ mconfig->pipe->p_params->ch,
+ mconfig->pipe->p_params->s_freq,
+ mconfig->pipe->p_params->s_fmt);
+
+- ret += snprintf(buf + ret, MOD_BUF - ret,
++ ret += scnprintf(buf + ret, MOD_BUF - ret,
+ "\tLink %#x\n\tStream %#x\n",
+ mconfig->pipe->p_params->linktype,
+ mconfig->pipe->p_params->stream);
+
+- ret += snprintf(buf + ret, MOD_BUF - ret,
++ ret += scnprintf(buf + ret, MOD_BUF - ret,
+ "\tState %d\n\tPassthru %s\n",
+ mconfig->pipe->state,
+ mconfig->pipe->passthru ? "true" : "false");
+@@ -141,7 +143,7 @@ static ssize_t module_read(struct file *file, char __user *user_buf,
+ ret += skl_print_pins(mconfig->m_out_pin, buf,
+ mconfig->max_out_queue, ret, false);
+
+- ret += snprintf(buf + ret, MOD_BUF - ret,
++ ret += scnprintf(buf + ret, MOD_BUF - ret,
+ "Other:\n\tDomain %d\n\tHomogenous Input %s\n\t"
+ "Homogenous Output %s\n\tIn Queue Mask %d\n\t"
+ "Out Queue Mask %d\n\tDMA ID %d\n\tMem Pages %d\n\t"
+@@ -199,7 +201,7 @@ static ssize_t fw_softreg_read(struct file *file, char __user *user_buf,
+ __ioread32_copy(d->fw_read_buff, fw_reg_addr, w0_stat_sz >> 2);
+
+ for (offset = 0; offset < FW_REG_SIZE; offset += 16) {
+- ret += snprintf(tmp + ret, FW_REG_BUF - ret, "%#.4x: ", offset);
++ ret += scnprintf(tmp + ret, FW_REG_BUF - ret, "%#.4x: ", offset);
+ hex_dump_to_buffer(d->fw_read_buff + offset, 16, 16, 4,
+ tmp + ret, FW_REG_BUF - ret, 0);
+ ret += strlen(tmp + ret);
+diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
+index 104d5f487c7d..fb2fef166672 100644
+--- a/sound/soc/soc-dapm.c
++++ b/sound/soc/soc-dapm.c
+@@ -4481,7 +4481,7 @@ static void soc_dapm_shutdown_dapm(struct snd_soc_dapm_context *dapm)
+ continue;
+ if (w->power) {
+ dapm_seq_insert(w, &down_list, false);
+- w->power = 0;
++ w->new_power = 0;
+ powerdown = 1;
+ }
+ }
+diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
+index 89f772ed4705..e75822dd9930 100644
+--- a/sound/soc/soc-pcm.c
++++ b/sound/soc/soc-pcm.c
+@@ -2957,16 +2957,16 @@ static ssize_t dpcm_show_state(struct snd_soc_pcm_runtime *fe,
+ ssize_t offset = 0;
+
+ /* FE state */
+- offset += snprintf(buf + offset, size - offset,
++ offset += scnprintf(buf + offset, size - offset,
+ "[%s - %s]\n", fe->dai_link->name,
+ stream ? "Capture" : "Playback");
+
+- offset += snprintf(buf + offset, size - offset, "State: %s\n",
++ offset += scnprintf(buf + offset, size - offset, "State: %s\n",
+ dpcm_state_string(fe->dpcm[stream].state));
+
+ if ((fe->dpcm[stream].state >= SND_SOC_DPCM_STATE_HW_PARAMS) &&
+ (fe->dpcm[stream].state <= SND_SOC_DPCM_STATE_STOP))
+- offset += snprintf(buf + offset, size - offset,
++ offset += scnprintf(buf + offset, size - offset,
+ "Hardware Params: "
+ "Format = %s, Channels = %d, Rate = %d\n",
+ snd_pcm_format_name(params_format(params)),
+@@ -2974,10 +2974,10 @@ static ssize_t dpcm_show_state(struct snd_soc_pcm_runtime *fe,
+ params_rate(params));
+
+ /* BEs state */
+- offset += snprintf(buf + offset, size - offset, "Backends:\n");
++ offset += scnprintf(buf + offset, size - offset, "Backends:\n");
+
+ if (list_empty(&fe->dpcm[stream].be_clients)) {
+- offset += snprintf(buf + offset, size - offset,
++ offset += scnprintf(buf + offset, size - offset,
+ " No active DSP links\n");
+ goto out;
+ }
+@@ -2986,16 +2986,16 @@ static ssize_t dpcm_show_state(struct snd_soc_pcm_runtime *fe,
+ struct snd_soc_pcm_runtime *be = dpcm->be;
+ params = &dpcm->hw_params;
+
+- offset += snprintf(buf + offset, size - offset,
++ offset += scnprintf(buf + offset, size - offset,
+ "- %s\n", be->dai_link->name);
+
+- offset += snprintf(buf + offset, size - offset,
++ offset += scnprintf(buf + offset, size - offset,
+ " State: %s\n",
+ dpcm_state_string(be->dpcm[stream].state));
+
+ if ((be->dpcm[stream].state >= SND_SOC_DPCM_STATE_HW_PARAMS) &&
+ (be->dpcm[stream].state <= SND_SOC_DPCM_STATE_STOP))
+- offset += snprintf(buf + offset, size - offset,
++ offset += scnprintf(buf + offset, size - offset,
+ " Hardware Params: "
+ "Format = %s, Channels = %d, Rate = %d\n",
+ snd_pcm_format_name(params_format(params)),
+diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
+index 72301bcad3bd..1a912f72bddd 100644
+--- a/sound/soc/soc-topology.c
++++ b/sound/soc/soc-topology.c
+@@ -2177,8 +2177,11 @@ static int soc_tplg_link_elems_load(struct soc_tplg *tplg,
+ }
+
+ ret = soc_tplg_link_config(tplg, _link);
+- if (ret < 0)
++ if (ret < 0) {
++ if (!abi_match)
++ kfree(_link);
+ return ret;
++ }
+
+ /* offset by version-specific struct size and
+ * real priv data size
+@@ -2330,7 +2333,7 @@ static int soc_tplg_manifest_load(struct soc_tplg *tplg,
+ {
+ struct snd_soc_tplg_manifest *manifest, *_manifest;
+ bool abi_match;
+- int err;
++ int ret = 0;
+
+ if (tplg->pass != SOC_TPLG_PASS_MANIFEST)
+ return 0;
+@@ -2343,19 +2346,19 @@ static int soc_tplg_manifest_load(struct soc_tplg *tplg,
+ _manifest = manifest;
+ } else {
+ abi_match = false;
+- err = manifest_new_ver(tplg, manifest, &_manifest);
+- if (err < 0)
+- return err;
++ ret = manifest_new_ver(tplg, manifest, &_manifest);
++ if (ret < 0)
++ return ret;
+ }
+
+ /* pass control to component driver for optional further init */
+ if (tplg->comp && tplg->ops && tplg->ops->manifest)
+- return tplg->ops->manifest(tplg->comp, _manifest);
++ ret = tplg->ops->manifest(tplg->comp, _manifest);
+
+ if (!abi_match) /* free the duplicated one */
+ kfree(_manifest);
+
+- return 0;
++ return ret;
+ }
+
+ /* validate header magic, size and type */
+diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
+index 628ad5f7eddb..49a87fb64156 100644
+--- a/tools/perf/ui/browsers/hists.c
++++ b/tools/perf/ui/browsers/hists.c
+@@ -3142,6 +3142,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
+
+ continue;
+ }
++ actions->ms.map = map;
+ top = pstack__peek(browser->pstack);
+ if (top == &browser->hists->dso_filter) {
+ /*
+diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk
+index 5bef05d6ba39..c9be64dc681d 100644
+--- a/tools/testing/selftests/lib.mk
++++ b/tools/testing/selftests/lib.mk
+@@ -54,17 +54,20 @@ else
+ $(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS))
+ endif
+
++define INSTALL_SINGLE_RULE
++ $(if $(INSTALL_LIST),@mkdir -p $(INSTALL_PATH))
++ $(if $(INSTALL_LIST),@echo rsync -a $(INSTALL_LIST) $(INSTALL_PATH)/)
++ $(if $(INSTALL_LIST),@rsync -a $(INSTALL_LIST) $(INSTALL_PATH)/)
++endef
++
+ define INSTALL_RULE
+- @if [ "X$(TEST_PROGS)$(TEST_PROGS_EXTENDED)$(TEST_FILES)" != "X" ]; then \
+- mkdir -p ${INSTALL_PATH}; \
+- echo "rsync -a $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(INSTALL_PATH)/"; \
+- rsync -a $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(INSTALL_PATH)/; \
+- fi
+- @if [ "X$(TEST_GEN_PROGS)$(TEST_CUSTOM_PROGS)$(TEST_GEN_PROGS_EXTENDED)$(TEST_GEN_FILES)" != "X" ]; then \
+- mkdir -p ${INSTALL_PATH}; \
+- echo "rsync -a $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(INSTALL_PATH)/"; \
+- rsync -a $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(INSTALL_PATH)/; \
+- fi
++ $(eval INSTALL_LIST = $(TEST_PROGS)) $(INSTALL_SINGLE_RULE)
++ $(eval INSTALL_LIST = $(TEST_PROGS_EXTENDED)) $(INSTALL_SINGLE_RULE)
++ $(eval INSTALL_LIST = $(TEST_FILES)) $(INSTALL_SINGLE_RULE)
++ $(eval INSTALL_LIST = $(TEST_GEN_PROGS)) $(INSTALL_SINGLE_RULE)
++ $(eval INSTALL_LIST = $(TEST_CUSTOM_PROGS)) $(INSTALL_SINGLE_RULE)
++ $(eval INSTALL_LIST = $(TEST_GEN_PROGS_EXTENDED)) $(INSTALL_SINGLE_RULE)
++ $(eval INSTALL_LIST = $(TEST_GEN_FILES)) $(INSTALL_SINGLE_RULE)
+ endef
+
+ install: all
+diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
+index 745ee09083dd..71f77ae6c2a6 100644
+--- a/virt/kvm/kvm_main.c
++++ b/virt/kvm/kvm_main.c
+@@ -2027,12 +2027,12 @@ int kvm_write_guest_offset_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
+ if (slots->generation != ghc->generation)
+ __kvm_gfn_to_hva_cache_init(slots, ghc, ghc->gpa, ghc->len);
+
+- if (unlikely(!ghc->memslot))
+- return kvm_write_guest(kvm, gpa, data, len);
+-
+ if (kvm_is_error_hva(ghc->hva))
+ return -EFAULT;
+
++ if (unlikely(!ghc->memslot))
++ return kvm_write_guest(kvm, gpa, data, len);
++
+ r = __copy_to_user((void __user *)ghc->hva + offset, data, len);
+ if (r)
+ return -EFAULT;
+@@ -2060,12 +2060,12 @@ int kvm_read_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
+ if (slots->generation != ghc->generation)
+ __kvm_gfn_to_hva_cache_init(slots, ghc, ghc->gpa, ghc->len);
+
+- if (unlikely(!ghc->memslot))
+- return kvm_read_guest(kvm, ghc->gpa, data, len);
+-
+ if (kvm_is_error_hva(ghc->hva))
+ return -EFAULT;
+
++ if (unlikely(!ghc->memslot))
++ return kvm_read_guest(kvm, ghc->gpa, data, len);
++
+ r = __copy_from_user(data, (void __user *)ghc->hva, len);
+ if (r)
+ return -EFAULT;
next reply other threads:[~2020-03-11 18:19 UTC|newest]
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