From: "Mike Pagano" <mpagano@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/linux-patches:4.14 commit in: /
Date: Thu, 2 Apr 2020 15:23:58 +0000 (UTC) [thread overview]
Message-ID: <1585841011.6e811d9cc6d4be645b3acdb91a621a98bf365883.mpagano@gentoo> (raw)
commit: 6e811d9cc6d4be645b3acdb91a621a98bf365883
Author: Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Thu Apr 2 15:23:31 2020 +0000
Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Thu Apr 2 15:23:31 2020 +0000
URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=6e811d9c
Linux patch 4.14.175
Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>
0000_README | 4 +
1174_linux-4.14.175.patch | 4354 +++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 4358 insertions(+)
diff --git a/0000_README b/0000_README
index 37451f3..babf032 100644
--- a/0000_README
+++ b/0000_README
@@ -739,6 +739,10 @@ Patch: 1173_linux-4.14.174.patch
From: https://www.kernel.org
Desc: Linux 4.14.174
+Patch: 1174_linux-4.14.175.patch
+From: https://www.kernel.org
+Desc: Linux 4.14.175
+
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/1174_linux-4.14.175.patch b/1174_linux-4.14.175.patch
new file mode 100644
index 0000000..ba46f78
--- /dev/null
+++ b/1174_linux-4.14.175.patch
@@ -0,0 +1,4354 @@
+diff --git a/Documentation/devicetree/bindings/net/fsl-fman.txt b/Documentation/devicetree/bindings/net/fsl-fman.txt
+index df873d1f3b7c..2aaae210317b 100644
+--- a/Documentation/devicetree/bindings/net/fsl-fman.txt
++++ b/Documentation/devicetree/bindings/net/fsl-fman.txt
+@@ -110,6 +110,13 @@ PROPERTIES
+ Usage: required
+ Definition: See soc/fsl/qman.txt and soc/fsl/bman.txt
+
++- fsl,erratum-a050385
++ Usage: optional
++ Value type: boolean
++ Definition: A boolean property. Indicates the presence of the
++ erratum A050385 which indicates that DMA transactions that are
++ split can result in a FMan lock.
++
+ =============================================================================
+ FMan MURAM Node
+
+diff --git a/Makefile b/Makefile
+index edc6b62bd892..3b792208fbc2 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 4
+ PATCHLEVEL = 14
+-SUBLEVEL = 174
++SUBLEVEL = 175
+ EXTRAVERSION =
+ NAME = Petit Gorille
+
+diff --git a/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts
+index b8565fc33eea..e5f2cca86f04 100644
+--- a/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts
++++ b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts
+@@ -118,6 +118,7 @@
+ &sdhci {
+ #address-cells = <1>;
+ #size-cells = <0>;
++ pinctrl-names = "default";
+ pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>;
+ mmc-pwrseq = <&wifi_pwrseq>;
+ non-removable;
+diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
+index fec965009b9f..f271c564d57d 100644
+--- a/arch/arm/boot/dts/dra7.dtsi
++++ b/arch/arm/boot/dts/dra7.dtsi
+@@ -137,6 +137,7 @@
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x0 0x0 0x0 0xc0000000>;
++ dma-ranges = <0x80000000 0x0 0x80000000 0x80000000>;
+ ti,hwmods = "l3_main_1", "l3_main_2";
+ reg = <0x0 0x44000000 0x0 0x1000000>,
+ <0x0 0x45000000 0x0 0x1000>;
+@@ -302,6 +303,7 @@
+ device_type = "pci";
+ ranges = <0x81000000 0 0 0x03000 0 0x00010000
+ 0x82000000 0 0x20013000 0x13000 0 0xffed000>;
++ dma-ranges = <0x02000000 0x0 0x00000000 0x00000000 0x1 0x00000000>;
+ bus-range = <0x00 0xff>;
+ #interrupt-cells = <1>;
+ num-lanes = <1>;
+@@ -356,6 +358,7 @@
+ device_type = "pci";
+ ranges = <0x81000000 0 0 0x03000 0 0x00010000
+ 0x82000000 0 0x30013000 0x13000 0 0xffed000>;
++ dma-ranges = <0x02000000 0x0 0x00000000 0x00000000 0x1 0x00000000>;
+ bus-range = <0x00 0xff>;
+ #interrupt-cells = <1>;
+ num-lanes = <1>;
+diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi
+index eaff2a5751dd..bc3f53c79e9d 100644
+--- a/arch/arm/boot/dts/omap5.dtsi
++++ b/arch/arm/boot/dts/omap5.dtsi
+@@ -131,6 +131,7 @@
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0 0 0xc0000000>;
++ dma-ranges = <0x80000000 0x0 0x80000000 0x80000000>;
+ ti,hwmods = "l3_main_1", "l3_main_2", "l3_main_3";
+ reg = <0 0x44000000 0 0x2000>,
+ <0 0x44800000 0 0x3000>,
+diff --git a/arch/arm/boot/dts/ox810se.dtsi b/arch/arm/boot/dts/ox810se.dtsi
+index 46aa6db8353a..3d2f91234f1a 100644
+--- a/arch/arm/boot/dts/ox810se.dtsi
++++ b/arch/arm/boot/dts/ox810se.dtsi
+@@ -322,8 +322,8 @@
+ interrupt-controller;
+ reg = <0 0x200>;
+ #interrupt-cells = <1>;
+- valid-mask = <0xFFFFFFFF>;
+- clear-mask = <0>;
++ valid-mask = <0xffffffff>;
++ clear-mask = <0xffffffff>;
+ };
+
+ timer0: timer@200 {
+diff --git a/arch/arm/boot/dts/ox820.dtsi b/arch/arm/boot/dts/ox820.dtsi
+index 459207536a46..8355cb034525 100644
+--- a/arch/arm/boot/dts/ox820.dtsi
++++ b/arch/arm/boot/dts/ox820.dtsi
+@@ -239,8 +239,8 @@
+ reg = <0 0x200>;
+ interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
+ #interrupt-cells = <1>;
+- valid-mask = <0xFFFFFFFF>;
+- clear-mask = <0>;
++ valid-mask = <0xffffffff>;
++ clear-mask = <0xffffffff>;
+ };
+
+ timer0: timer@200 {
+diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1043-post.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1043-post.dtsi
+index 169e171407a6..acd205ef329f 100644
+--- a/arch/arm64/boot/dts/freescale/fsl-ls1043-post.dtsi
++++ b/arch/arm64/boot/dts/freescale/fsl-ls1043-post.dtsi
+@@ -21,6 +21,8 @@
+ };
+
+ &fman0 {
++ fsl,erratum-a050385;
++
+ /* these aliases provide the FMan ports mapping */
+ enet0: ethernet@e0000 {
+ };
+diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb.dts
+index 3dc0c8e9663d..3aead63e5475 100644
+--- a/arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb.dts
++++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a-rdb.dts
+@@ -155,12 +155,12 @@
+
+ ethernet@e4000 {
+ phy-handle = <&rgmii_phy1>;
+- phy-connection-type = "rgmii-txid";
++ phy-connection-type = "rgmii-id";
+ };
+
+ ethernet@e6000 {
+ phy-handle = <&rgmii_phy2>;
+- phy-connection-type = "rgmii-txid";
++ phy-connection-type = "rgmii-id";
+ };
+
+ ethernet@e8000 {
+diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts
+index 5dc2782e2a58..e775e59d0370 100644
+--- a/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts
++++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts
+@@ -162,12 +162,12 @@
+ &fman0 {
+ ethernet@e4000 {
+ phy-handle = <&rgmii_phy1>;
+- phy-connection-type = "rgmii";
++ phy-connection-type = "rgmii-id";
+ };
+
+ ethernet@e6000 {
+ phy-handle = <&rgmii_phy2>;
+- phy-connection-type = "rgmii";
++ phy-connection-type = "rgmii-id";
+ };
+
+ ethernet@e8000 {
+diff --git a/arch/arm64/include/asm/alternative.h b/arch/arm64/include/asm/alternative.h
+index 4cd4a793dc32..4ed869845a23 100644
+--- a/arch/arm64/include/asm/alternative.h
++++ b/arch/arm64/include/asm/alternative.h
+@@ -216,7 +216,7 @@ alternative_endif
+
+ .macro user_alt, label, oldinstr, newinstr, cond
+ 9999: alternative_insn "\oldinstr", "\newinstr", \cond
+- _ASM_EXTABLE 9999b, \label
++ _asm_extable 9999b, \label
+ .endm
+
+ /*
+diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c
+index e230b4dff960..e8574b95bda8 100644
+--- a/arch/arm64/kernel/ptrace.c
++++ b/arch/arm64/kernel/ptrace.c
+@@ -833,6 +833,7 @@ static int compat_gpr_get(struct task_struct *target,
+ break;
+ case 16:
+ reg = task_pt_regs(target)->pstate;
++ reg = pstate_to_compat_psr(reg);
+ break;
+ case 17:
+ reg = task_pt_regs(target)->orig_x0;
+@@ -900,6 +901,7 @@ static int compat_gpr_set(struct task_struct *target,
+ newregs.pc = reg;
+ break;
+ case 16:
++ reg = compat_psr_to_pstate(reg);
+ newregs.pstate = reg;
+ break;
+ case 17:
+diff --git a/arch/arm64/kernel/signal32.c b/arch/arm64/kernel/signal32.c
+index e09bf5d15606..3832750cee8b 100644
+--- a/arch/arm64/kernel/signal32.c
++++ b/arch/arm64/kernel/signal32.c
+@@ -321,6 +321,7 @@ static int compat_restore_sigframe(struct pt_regs *regs,
+ int err;
+ sigset_t set;
+ struct compat_aux_sigframe __user *aux;
++ unsigned long psr;
+
+ err = get_sigset_t(&set, &sf->uc.uc_sigmask);
+ if (err == 0) {
+@@ -344,7 +345,9 @@ static int compat_restore_sigframe(struct pt_regs *regs,
+ __get_user_error(regs->compat_sp, &sf->uc.uc_mcontext.arm_sp, err);
+ __get_user_error(regs->compat_lr, &sf->uc.uc_mcontext.arm_lr, err);
+ __get_user_error(regs->pc, &sf->uc.uc_mcontext.arm_pc, err);
+- __get_user_error(regs->pstate, &sf->uc.uc_mcontext.arm_cpsr, err);
++ __get_user_error(psr, &sf->uc.uc_mcontext.arm_cpsr, err);
++
++ regs->pstate = compat_psr_to_pstate(psr);
+
+ /*
+ * Avoid compat_sys_sigreturn() restarting.
+@@ -500,6 +503,7 @@ static int compat_setup_sigframe(struct compat_sigframe __user *sf,
+ struct pt_regs *regs, sigset_t *set)
+ {
+ struct compat_aux_sigframe __user *aux;
++ unsigned long psr = pstate_to_compat_psr(regs->pstate);
+ int err = 0;
+
+ __put_user_error(regs->regs[0], &sf->uc.uc_mcontext.arm_r0, err);
+@@ -518,7 +522,7 @@ static int compat_setup_sigframe(struct compat_sigframe __user *sf,
+ __put_user_error(regs->compat_sp, &sf->uc.uc_mcontext.arm_sp, err);
+ __put_user_error(regs->compat_lr, &sf->uc.uc_mcontext.arm_lr, err);
+ __put_user_error(regs->pc, &sf->uc.uc_mcontext.arm_pc, err);
+- __put_user_error(regs->pstate, &sf->uc.uc_mcontext.arm_cpsr, err);
++ __put_user_error(psr, &sf->uc.uc_mcontext.arm_cpsr, err);
+
+ __put_user_error((compat_ulong_t)0, &sf->uc.uc_mcontext.trap_no, err);
+ /* set the compat FSR WnR */
+diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
+index 909bf3926fd2..cfb5a6ad7865 100644
+--- a/arch/arm64/kernel/smp.c
++++ b/arch/arm64/kernel/smp.c
+@@ -913,11 +913,22 @@ void tick_broadcast(const struct cpumask *mask)
+ }
+ #endif
+
++/*
++ * The number of CPUs online, not counting this CPU (which may not be
++ * fully online and so not counted in num_online_cpus()).
++ */
++static inline unsigned int num_other_online_cpus(void)
++{
++ unsigned int this_cpu_online = cpu_online(smp_processor_id());
++
++ return num_online_cpus() - this_cpu_online;
++}
++
+ void smp_send_stop(void)
+ {
+ unsigned long timeout;
+
+- if (num_online_cpus() > 1) {
++ if (num_other_online_cpus()) {
+ cpumask_t mask;
+
+ cpumask_copy(&mask, cpu_online_mask);
+@@ -930,10 +941,10 @@ void smp_send_stop(void)
+
+ /* Wait up to one second for other CPUs to stop */
+ timeout = USEC_PER_SEC;
+- while (num_online_cpus() > 1 && timeout--)
++ while (num_other_online_cpus() && timeout--)
+ udelay(1);
+
+- if (num_online_cpus() > 1)
++ if (num_other_online_cpus())
+ pr_warning("SMP: failed to stop secondary CPUs %*pbl\n",
+ cpumask_pr_args(cpu_online_mask));
+ }
+@@ -954,13 +965,17 @@ void crash_smp_send_stop(void)
+
+ cpus_stopped = 1;
+
+- if (num_online_cpus() == 1)
++ /*
++ * If this cpu is the only one alive at this point in time, online or
++ * not, there are no stop messages to be sent around, so just back out.
++ */
++ if (num_other_online_cpus() == 0)
+ return;
+
+ cpumask_copy(&mask, cpu_online_mask);
+ cpumask_clear_cpu(smp_processor_id(), &mask);
+
+- atomic_set(&waiting_for_crash_ipi, num_online_cpus() - 1);
++ atomic_set(&waiting_for_crash_ipi, num_other_online_cpus());
+
+ pr_crit("SMP: stopping secondary CPUs\n");
+ smp_cross_call(&mask, IPI_CPU_CRASH_STOP);
+diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
+index b0cf4af7ba84..e4da937d6cf9 100644
+--- a/arch/powerpc/kernel/vmlinux.lds.S
++++ b/arch/powerpc/kernel/vmlinux.lds.S
+@@ -317,6 +317,12 @@ SECTIONS
+ *(.branch_lt)
+ }
+
++#ifdef CONFIG_DEBUG_INFO_BTF
++ .BTF : AT(ADDR(.BTF) - LOAD_OFFSET) {
++ *(.BTF)
++ }
++#endif
++
+ .opd : AT(ADDR(.opd) - LOAD_OFFSET) {
+ *(.opd)
+ }
+diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
+index ccc2b9d2956a..387340b1f6db 100644
+--- a/arch/x86/kernel/ftrace.c
++++ b/arch/x86/kernel/ftrace.c
+@@ -36,6 +36,7 @@
+ #ifdef CONFIG_DYNAMIC_FTRACE
+
+ int ftrace_arch_code_modify_prepare(void)
++ __acquires(&text_mutex)
+ {
+ mutex_lock(&text_mutex);
+ set_kernel_text_rw();
+@@ -44,6 +45,7 @@ int ftrace_arch_code_modify_prepare(void)
+ }
+
+ int ftrace_arch_code_modify_post_process(void)
++ __releases(&text_mutex)
+ {
+ set_all_modules_text_ro();
+ set_kernel_text_ro();
+diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
+index 27cab342a0b2..1789626cf95e 100644
+--- a/arch/x86/mm/fault.c
++++ b/arch/x86/mm/fault.c
+@@ -272,7 +272,7 @@ static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, unsigned long address)
+ return pmd_k;
+ }
+
+-void vmalloc_sync_all(void)
++static void vmalloc_sync(void)
+ {
+ unsigned long address;
+
+@@ -299,6 +299,16 @@ void vmalloc_sync_all(void)
+ }
+ }
+
++void vmalloc_sync_mappings(void)
++{
++ vmalloc_sync();
++}
++
++void vmalloc_sync_unmappings(void)
++{
++ vmalloc_sync();
++}
++
+ /*
+ * 32-bit:
+ *
+@@ -401,11 +411,23 @@ out:
+
+ #else /* CONFIG_X86_64: */
+
+-void vmalloc_sync_all(void)
++void vmalloc_sync_mappings(void)
+ {
++ /*
++ * 64-bit mappings might allocate new p4d/pud pages
++ * that need to be propagated to all tasks' PGDs.
++ */
+ sync_global_pgds(VMALLOC_START & PGDIR_MASK, VMALLOC_END);
+ }
+
++void vmalloc_sync_unmappings(void)
++{
++ /*
++ * Unmappings never allocate or free p4d/pud pages.
++ * No work is required here.
++ */
++}
++
+ /*
+ * 64-bit:
+ *
+diff --git a/block/bfq-cgroup.c b/block/bfq-cgroup.c
+index afbbe5750a1f..7d7aee024ece 100644
+--- a/block/bfq-cgroup.c
++++ b/block/bfq-cgroup.c
+@@ -499,12 +499,13 @@ struct bfq_group *bfq_find_set_group(struct bfq_data *bfqd,
+ */
+ entity = &bfqg->entity;
+ for_each_entity(entity) {
+- bfqg = container_of(entity, struct bfq_group, entity);
+- if (bfqg != bfqd->root_group) {
+- parent = bfqg_parent(bfqg);
++ struct bfq_group *curr_bfqg = container_of(entity,
++ struct bfq_group, entity);
++ if (curr_bfqg != bfqd->root_group) {
++ parent = bfqg_parent(curr_bfqg);
+ if (!parent)
+ parent = bfqd->root_group;
+- bfq_group_set_parent(bfqg, parent);
++ bfq_group_set_parent(curr_bfqg, parent);
+ }
+ }
+
+diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
+index cd6fae6ad4c2..3f9f286088fa 100644
+--- a/drivers/acpi/apei/ghes.c
++++ b/drivers/acpi/apei/ghes.c
+@@ -201,7 +201,7 @@ static int ghes_estatus_pool_expand(unsigned long len)
+ * New allocation must be visible in all pgd before it can be found by
+ * an NMI allocating from the pool.
+ */
+- vmalloc_sync_all();
++ vmalloc_sync_mappings();
+
+ return gen_pool_add(ghes_estatus_pool, addr, PAGE_ALIGN(len), -1);
+ }
+diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
+index c7b9125c8ec2..7c06f4541c5d 100644
+--- a/drivers/gpio/gpiolib-acpi.c
++++ b/drivers/gpio/gpiolib-acpi.c
+@@ -24,18 +24,21 @@
+
+ #include "gpiolib.h"
+
+-#define QUIRK_NO_EDGE_EVENTS_ON_BOOT 0x01l
+-#define QUIRK_NO_WAKEUP 0x02l
+-
+ static int run_edge_events_on_boot = -1;
+ module_param(run_edge_events_on_boot, int, 0444);
+ MODULE_PARM_DESC(run_edge_events_on_boot,
+ "Run edge _AEI event-handlers at boot: 0=no, 1=yes, -1=auto");
+
+-static int honor_wakeup = -1;
+-module_param(honor_wakeup, int, 0444);
+-MODULE_PARM_DESC(honor_wakeup,
+- "Honor the ACPI wake-capable flag: 0=no, 1=yes, -1=auto");
++static char *ignore_wake;
++module_param(ignore_wake, charp, 0444);
++MODULE_PARM_DESC(ignore_wake,
++ "controller@pin combos on which to ignore the ACPI wake flag "
++ "ignore_wake=controller@pin[,controller@pin[,...]]");
++
++struct acpi_gpiolib_dmi_quirk {
++ bool no_edge_events_on_boot;
++ char *ignore_wake;
++};
+
+ /**
+ * struct acpi_gpio_event - ACPI GPIO event handler data
+@@ -262,6 +265,57 @@ static void acpi_gpiochip_request_irqs(struct acpi_gpio_chip *acpi_gpio)
+ acpi_gpiochip_request_irq(acpi_gpio, event);
+ }
+
++static bool acpi_gpio_in_ignore_list(const char *controller_in, int pin_in)
++{
++ const char *controller, *pin_str;
++ int len, pin;
++ char *endp;
++
++ controller = ignore_wake;
++ while (controller) {
++ pin_str = strchr(controller, '@');
++ if (!pin_str)
++ goto err;
++
++ len = pin_str - controller;
++ if (len == strlen(controller_in) &&
++ strncmp(controller, controller_in, len) == 0) {
++ pin = simple_strtoul(pin_str + 1, &endp, 10);
++ if (*endp != 0 && *endp != ',')
++ goto err;
++
++ if (pin == pin_in)
++ return true;
++ }
++
++ controller = strchr(controller, ',');
++ if (controller)
++ controller++;
++ }
++
++ return false;
++err:
++ pr_err_once("Error invalid value for gpiolib_acpi.ignore_wake: %s\n",
++ ignore_wake);
++ return false;
++}
++
++static bool acpi_gpio_irq_is_wake(struct device *parent,
++ struct acpi_resource_gpio *agpio)
++{
++ int pin = agpio->pin_table[0];
++
++ if (agpio->wake_capable != ACPI_WAKE_CAPABLE)
++ return false;
++
++ if (acpi_gpio_in_ignore_list(dev_name(parent), pin)) {
++ dev_info(parent, "Ignoring wakeup on pin %d\n", pin);
++ return false;
++ }
++
++ return true;
++}
++
+ static acpi_status acpi_gpiochip_alloc_event(struct acpi_resource *ares,
+ void *context)
+ {
+@@ -347,7 +401,7 @@ static acpi_status acpi_gpiochip_alloc_event(struct acpi_resource *ares,
+ event->handle = evt_handle;
+ event->handler = handler;
+ event->irq = irq;
+- event->irq_is_wake = honor_wakeup && agpio->wake_capable == ACPI_WAKE_CAPABLE;
++ event->irq_is_wake = acpi_gpio_irq_is_wake(chip->parent, agpio);
+ event->pin = pin;
+ event->desc = desc;
+
+@@ -1331,7 +1385,9 @@ static const struct dmi_system_id gpiolib_acpi_quirks[] = {
+ DMI_MATCH(DMI_SYS_VENDOR, "MINIX"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Z83-4"),
+ },
+- .driver_data = (void *)QUIRK_NO_EDGE_EVENTS_ON_BOOT,
++ .driver_data = &(struct acpi_gpiolib_dmi_quirk) {
++ .no_edge_events_on_boot = true,
++ },
+ },
+ {
+ /*
+@@ -1344,16 +1400,20 @@ static const struct dmi_system_id gpiolib_acpi_quirks[] = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Wortmann_AG"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TERRA_PAD_1061"),
+ },
+- .driver_data = (void *)QUIRK_NO_EDGE_EVENTS_ON_BOOT,
++ .driver_data = &(struct acpi_gpiolib_dmi_quirk) {
++ .no_edge_events_on_boot = true,
++ },
+ },
+ {
+ /*
+- * Various HP X2 10 Cherry Trail models use an external
+- * embedded-controller connected via I2C + an ACPI GPIO
+- * event handler. The embedded controller generates various
+- * spurious wakeup events when suspended. So disable wakeup
+- * for its handler (it uses the only ACPI GPIO event handler).
+- * This breaks wakeup when opening the lid, the user needs
++ * HP X2 10 models with Cherry Trail SoC + TI PMIC use an
++ * external embedded-controller connected via I2C + an ACPI GPIO
++ * event handler on INT33FF:01 pin 0, causing spurious wakeups.
++ * When suspending by closing the LID, the power to the USB
++ * keyboard is turned off, causing INT0002 ACPI events to
++ * trigger once the XHCI controller notices the keyboard is
++ * gone. So INT0002 events cause spurious wakeups too. Ignoring
++ * EC wakes breaks wakeup when opening the lid, the user needs
+ * to press the power-button to wakeup the system. The
+ * alternative is suspend simply not working, which is worse.
+ */
+@@ -1361,33 +1421,61 @@ static const struct dmi_system_id gpiolib_acpi_quirks[] = {
+ DMI_MATCH(DMI_SYS_VENDOR, "HP"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP x2 Detachable 10-p0XX"),
+ },
+- .driver_data = (void *)QUIRK_NO_WAKEUP,
++ .driver_data = &(struct acpi_gpiolib_dmi_quirk) {
++ .ignore_wake = "INT33FF:01@0,INT0002:00@2",
++ },
++ },
++ {
++ /*
++ * HP X2 10 models with Bay Trail SoC + AXP288 PMIC use an
++ * external embedded-controller connected via I2C + an ACPI GPIO
++ * event handler on INT33FC:02 pin 28, causing spurious wakeups.
++ */
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
++ DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion x2 Detachable"),
++ DMI_MATCH(DMI_BOARD_NAME, "815D"),
++ },
++ .driver_data = &(struct acpi_gpiolib_dmi_quirk) {
++ .ignore_wake = "INT33FC:02@28",
++ },
++ },
++ {
++ /*
++ * HP X2 10 models with Cherry Trail SoC + AXP288 PMIC use an
++ * external embedded-controller connected via I2C + an ACPI GPIO
++ * event handler on INT33FF:01 pin 0, causing spurious wakeups.
++ */
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "HP"),
++ DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion x2 Detachable"),
++ DMI_MATCH(DMI_BOARD_NAME, "813E"),
++ },
++ .driver_data = &(struct acpi_gpiolib_dmi_quirk) {
++ .ignore_wake = "INT33FF:01@0",
++ },
+ },
+ {} /* Terminating entry */
+ };
+
+ static int acpi_gpio_setup_params(void)
+ {
++ const struct acpi_gpiolib_dmi_quirk *quirk = NULL;
+ const struct dmi_system_id *id;
+- long quirks = 0;
+
+ id = dmi_first_match(gpiolib_acpi_quirks);
+ if (id)
+- quirks = (long)id->driver_data;
++ quirk = id->driver_data;
+
+ if (run_edge_events_on_boot < 0) {
+- if (quirks & QUIRK_NO_EDGE_EVENTS_ON_BOOT)
++ if (quirk && quirk->no_edge_events_on_boot)
+ run_edge_events_on_boot = 0;
+ else
+ run_edge_events_on_boot = 1;
+ }
+
+- if (honor_wakeup < 0) {
+- if (quirks & QUIRK_NO_WAKEUP)
+- honor_wakeup = 0;
+- else
+- honor_wakeup = 1;
+- }
++ if (ignore_wake == NULL && quirk && quirk->ignore_wake)
++ ignore_wake = quirk->ignore_wake;
+
+ return 0;
+ }
+diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+index cc1094f90125..96cf64d0ee82 100644
+--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
++++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+@@ -1348,28 +1348,34 @@ static void hdmi_config_AVI(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
+ frame.colorspace = HDMI_COLORSPACE_RGB;
+
+ /* Set up colorimetry */
+- switch (hdmi->hdmi_data.enc_out_encoding) {
+- case V4L2_YCBCR_ENC_601:
+- if (hdmi->hdmi_data.enc_in_encoding == V4L2_YCBCR_ENC_XV601)
+- frame.colorimetry = HDMI_COLORIMETRY_EXTENDED;
+- else
++ if (!hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format)) {
++ switch (hdmi->hdmi_data.enc_out_encoding) {
++ case V4L2_YCBCR_ENC_601:
++ if (hdmi->hdmi_data.enc_in_encoding == V4L2_YCBCR_ENC_XV601)
++ frame.colorimetry = HDMI_COLORIMETRY_EXTENDED;
++ else
++ frame.colorimetry = HDMI_COLORIMETRY_ITU_601;
++ frame.extended_colorimetry =
++ HDMI_EXTENDED_COLORIMETRY_XV_YCC_601;
++ break;
++ case V4L2_YCBCR_ENC_709:
++ if (hdmi->hdmi_data.enc_in_encoding == V4L2_YCBCR_ENC_XV709)
++ frame.colorimetry = HDMI_COLORIMETRY_EXTENDED;
++ else
++ frame.colorimetry = HDMI_COLORIMETRY_ITU_709;
++ frame.extended_colorimetry =
++ HDMI_EXTENDED_COLORIMETRY_XV_YCC_709;
++ break;
++ default: /* Carries no data */
+ frame.colorimetry = HDMI_COLORIMETRY_ITU_601;
++ frame.extended_colorimetry =
++ HDMI_EXTENDED_COLORIMETRY_XV_YCC_601;
++ break;
++ }
++ } else {
++ frame.colorimetry = HDMI_COLORIMETRY_NONE;
+ frame.extended_colorimetry =
+- HDMI_EXTENDED_COLORIMETRY_XV_YCC_601;
+- break;
+- case V4L2_YCBCR_ENC_709:
+- if (hdmi->hdmi_data.enc_in_encoding == V4L2_YCBCR_ENC_XV709)
+- frame.colorimetry = HDMI_COLORIMETRY_EXTENDED;
+- else
+- frame.colorimetry = HDMI_COLORIMETRY_ITU_709;
+- frame.extended_colorimetry =
+- HDMI_EXTENDED_COLORIMETRY_XV_YCC_709;
+- break;
+- default: /* Carries no data */
+- frame.colorimetry = HDMI_COLORIMETRY_ITU_601;
+- frame.extended_colorimetry =
+- HDMI_EXTENDED_COLORIMETRY_XV_YCC_601;
+- break;
++ HDMI_EXTENDED_COLORIMETRY_XV_YCC_601;
+ }
+
+ frame.scan_mode = HDMI_SCAN_MODE_NONE;
+diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
+index 9d94c306c8ca..c8c83f84aced 100644
+--- a/drivers/gpu/drm/drm_dp_mst_topology.c
++++ b/drivers/gpu/drm/drm_dp_mst_topology.c
+@@ -982,20 +982,9 @@ static struct drm_dp_mst_port *drm_dp_mst_get_port_ref_locked(struct drm_dp_mst_
+ static struct drm_dp_mst_port *drm_dp_get_validated_port_ref(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port)
+ {
+ struct drm_dp_mst_port *rport = NULL;
+-
+ mutex_lock(&mgr->lock);
+- /*
+- * Port may or may not be 'valid' but we don't care about that when
+- * destroying the port and we are guaranteed that the port pointer
+- * will be valid until we've finished
+- */
+- if (current_work() == &mgr->destroy_connector_work) {
+- kref_get(&port->kref);
+- rport = port;
+- } else if (mgr->mst_primary) {
+- rport = drm_dp_mst_get_port_ref_locked(mgr->mst_primary,
+- port);
+- }
++ if (mgr->mst_primary)
++ rport = drm_dp_mst_get_port_ref_locked(mgr->mst_primary, port);
+ mutex_unlock(&mgr->lock);
+ return rport;
+ }
+diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+index 7904ffa9abfb..366c975cde5b 100644
+--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
++++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+@@ -1739,8 +1739,9 @@ static int exynos_dsi_probe(struct platform_device *pdev)
+ ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(dsi->supplies),
+ dsi->supplies);
+ if (ret) {
+- dev_info(dev, "failed to get regulators: %d\n", ret);
+- return -EPROBE_DEFER;
++ if (ret != -EPROBE_DEFER)
++ dev_info(dev, "failed to get regulators: %d\n", ret);
++ return ret;
+ }
+
+ dsi->clks = devm_kzalloc(dev,
+@@ -1753,9 +1754,10 @@ static int exynos_dsi_probe(struct platform_device *pdev)
+ dsi->clks[i] = devm_clk_get(dev, clk_names[i]);
+ if (IS_ERR(dsi->clks[i])) {
+ if (strcmp(clk_names[i], "sclk_mipi") == 0) {
+- strcpy(clk_names[i], OLD_SCLK_MIPI_CLK_NAME);
+- i--;
+- continue;
++ dsi->clks[i] = devm_clk_get(dev,
++ OLD_SCLK_MIPI_CLK_NAME);
++ if (!IS_ERR(dsi->clks[i]))
++ continue;
+ }
+
+ dev_info(dev, "failed to get the clock: %s\n",
+diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c
+index 6ebf6a2edb33..ca2717137ad2 100644
+--- a/drivers/hwtracing/intel_th/msu.c
++++ b/drivers/hwtracing/intel_th/msu.c
+@@ -499,7 +499,7 @@ static int msc_configure(struct msc *msc)
+ lockdep_assert_held(&msc->buf_mutex);
+
+ if (msc->mode > MSC_MODE_MULTI)
+- return -ENOTSUPP;
++ return -EINVAL;
+
+ if (msc->mode == MSC_MODE_MULTI)
+ msc_buffer_clear_hw_header(msc);
+@@ -950,7 +950,7 @@ static int msc_buffer_alloc(struct msc *msc, unsigned long *nr_pages,
+ } else if (msc->mode == MSC_MODE_MULTI) {
+ ret = msc_buffer_multi_alloc(msc, nr_pages, nr_wins);
+ } else {
+- ret = -ENOTSUPP;
++ ret = -EINVAL;
+ }
+
+ if (!ret) {
+@@ -1173,7 +1173,7 @@ static ssize_t intel_th_msc_read(struct file *file, char __user *buf,
+ if (ret >= 0)
+ *ppos = iter->offset;
+ } else {
+- ret = -ENOTSUPP;
++ ret = -EINVAL;
+ }
+
+ put_count:
+diff --git a/drivers/hwtracing/intel_th/pci.c b/drivers/hwtracing/intel_th/pci.c
+index fc371444407d..b8cbd26b60e1 100644
+--- a/drivers/hwtracing/intel_th/pci.c
++++ b/drivers/hwtracing/intel_th/pci.c
+@@ -218,6 +218,11 @@ static const struct pci_device_id intel_th_pci_id_table[] = {
+ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x4da6),
+ .driver_data = (kernel_ulong_t)&intel_th_2x,
+ },
++ {
++ /* Elkhart Lake CPU */
++ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x4529),
++ .driver_data = (kernel_ulong_t)&intel_th_2x,
++ },
+ {
+ /* Elkhart Lake */
+ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x4b26),
+diff --git a/drivers/i2c/busses/i2c-hix5hd2.c b/drivers/i2c/busses/i2c-hix5hd2.c
+index bb68957d3da5..aa5c55bd8b11 100644
+--- a/drivers/i2c/busses/i2c-hix5hd2.c
++++ b/drivers/i2c/busses/i2c-hix5hd2.c
+@@ -498,6 +498,7 @@ static int hix5hd2_i2c_remove(struct platform_device *pdev)
+ i2c_del_adapter(&priv->adap);
+ pm_runtime_disable(priv->dev);
+ pm_runtime_set_suspended(priv->dev);
++ clk_disable_unprepare(priv->clk);
+
+ return 0;
+ }
+diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c
+index a70ef7fec95f..34639ee2d2ce 100644
+--- a/drivers/iio/adc/at91-sama5d2_adc.c
++++ b/drivers/iio/adc/at91-sama5d2_adc.c
+@@ -300,6 +300,27 @@ static const struct iio_chan_spec at91_adc_channels[] = {
+ + AT91_SAMA5D2_DIFF_CHAN_CNT + 1),
+ };
+
++static int at91_adc_chan_xlate(struct iio_dev *indio_dev, int chan)
++{
++ int i;
++
++ for (i = 0; i < indio_dev->num_channels; i++) {
++ if (indio_dev->channels[i].scan_index == chan)
++ return i;
++ }
++ return -EINVAL;
++}
++
++static inline struct iio_chan_spec const *
++at91_adc_chan_get(struct iio_dev *indio_dev, int chan)
++{
++ int index = at91_adc_chan_xlate(indio_dev, chan);
++
++ if (index < 0)
++ return NULL;
++ return indio_dev->channels + index;
++}
++
+ static int at91_adc_configure_trigger(struct iio_trigger *trig, bool state)
+ {
+ struct iio_dev *indio = iio_trigger_get_drvdata(trig);
+@@ -317,7 +338,24 @@ static int at91_adc_configure_trigger(struct iio_trigger *trig, bool state)
+ at91_adc_writel(st, AT91_SAMA5D2_TRGR, status);
+
+ for_each_set_bit(bit, indio->active_scan_mask, indio->num_channels) {
+- struct iio_chan_spec const *chan = indio->channels + bit;
++ struct iio_chan_spec const *chan = at91_adc_chan_get(indio, bit);
++ u32 cor;
++
++ if (!chan)
++ continue;
++ if (state) {
++ cor = at91_adc_readl(st, AT91_SAMA5D2_COR);
++
++ if (chan->differential)
++ cor |= (BIT(chan->channel) |
++ BIT(chan->channel2)) <<
++ AT91_SAMA5D2_COR_DIFF_OFFSET;
++ else
++ cor &= ~(BIT(chan->channel) <<
++ AT91_SAMA5D2_COR_DIFF_OFFSET);
++
++ at91_adc_writel(st, AT91_SAMA5D2_COR, cor);
++ }
+
+ if (state) {
+ at91_adc_writel(st, AT91_SAMA5D2_CHER,
+@@ -398,8 +436,11 @@ static irqreturn_t at91_adc_trigger_handler(int irq, void *p)
+ u8 bit;
+
+ for_each_set_bit(bit, indio->active_scan_mask, indio->num_channels) {
+- struct iio_chan_spec const *chan = indio->channels + bit;
++ struct iio_chan_spec const *chan =
++ at91_adc_chan_get(indio, bit);
+
++ if (!chan)
++ continue;
+ st->buffer[i] = at91_adc_readl(st, chan->address);
+ i++;
+ }
+diff --git a/drivers/iio/magnetometer/ak8974.c b/drivers/iio/magnetometer/ak8974.c
+index 0bff76e96950..283ecd4ea800 100644
+--- a/drivers/iio/magnetometer/ak8974.c
++++ b/drivers/iio/magnetometer/ak8974.c
+@@ -563,7 +563,7 @@ static int ak8974_read_raw(struct iio_dev *indio_dev,
+ * We read all axes and discard all but one, for optimized
+ * reading, use the triggered buffer.
+ */
+- *val = le16_to_cpu(hw_values[chan->address]);
++ *val = (s16)le16_to_cpu(hw_values[chan->address]);
+
+ ret = IIO_VAL_INT;
+ }
+diff --git a/drivers/iio/trigger/stm32-timer-trigger.c b/drivers/iio/trigger/stm32-timer-trigger.c
+index eb212f8c8879..0e4da570f22f 100644
+--- a/drivers/iio/trigger/stm32-timer-trigger.c
++++ b/drivers/iio/trigger/stm32-timer-trigger.c
+@@ -161,7 +161,8 @@ static int stm32_timer_start(struct stm32_timer_trigger *priv,
+ return 0;
+ }
+
+-static void stm32_timer_stop(struct stm32_timer_trigger *priv)
++static void stm32_timer_stop(struct stm32_timer_trigger *priv,
++ struct iio_trigger *trig)
+ {
+ u32 ccer, cr1;
+
+@@ -179,6 +180,12 @@ static void stm32_timer_stop(struct stm32_timer_trigger *priv)
+ regmap_write(priv->regmap, TIM_PSC, 0);
+ regmap_write(priv->regmap, TIM_ARR, 0);
+
++ /* Force disable master mode */
++ if (stm32_timer_is_trgo2_name(trig->name))
++ regmap_update_bits(priv->regmap, TIM_CR2, TIM_CR2_MMS2, 0);
++ else
++ regmap_update_bits(priv->regmap, TIM_CR2, TIM_CR2_MMS, 0);
++
+ /* Make sure that registers are updated */
+ regmap_update_bits(priv->regmap, TIM_EGR, TIM_EGR_UG, TIM_EGR_UG);
+ }
+@@ -197,7 +204,7 @@ static ssize_t stm32_tt_store_frequency(struct device *dev,
+ return ret;
+
+ if (freq == 0) {
+- stm32_timer_stop(priv);
++ stm32_timer_stop(priv, trig);
+ } else {
+ ret = stm32_timer_start(priv, trig, freq);
+ if (ret)
+diff --git a/drivers/infiniband/core/security.c b/drivers/infiniband/core/security.c
+index ce8e3009344a..f4770601e6bf 100644
+--- a/drivers/infiniband/core/security.c
++++ b/drivers/infiniband/core/security.c
+@@ -348,16 +348,11 @@ static struct ib_ports_pkeys *get_new_pps(const struct ib_qp *qp,
+ 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))
++ if (((qp_attr_mask & IB_QP_PKEY_INDEX) &&
++ (qp_attr_mask & IB_QP_PORT)) ||
++ (qp_pps && qp_pps->main.state != IB_PORT_PKEY_NOT_VALID))
+ new_pps->main.state = IB_PORT_PKEY_VALID;
+
+- 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)
+- new_pps->main.state = IB_PORT_PKEY_VALID;
+- }
+-
+ if (qp_attr_mask & IB_QP_ALT_PATH) {
+ new_pps->alt.port_num = qp_attr->alt_port_num;
+ new_pps->alt.pkey_index = qp_attr->alt_pkey_index;
+diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
+index 84c962820aa2..0cb60072c82f 100644
+--- a/drivers/infiniband/hw/mlx5/qp.c
++++ b/drivers/infiniband/hw/mlx5/qp.c
+@@ -4896,6 +4896,10 @@ struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd,
+ if (udata->outlen && udata->outlen < min_resp_len)
+ return ERR_PTR(-EINVAL);
+
++ if (!capable(CAP_SYS_RAWIO) &&
++ init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP)
++ return ERR_PTR(-EPERM);
++
+ dev = to_mdev(pd->device);
+ switch (init_attr->wq_type) {
+ case IB_WQT_RQ:
+diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
+index 5f764e0993a4..2bca84f4c2b2 100644
+--- a/drivers/input/mouse/synaptics.c
++++ b/drivers/input/mouse/synaptics.c
+@@ -189,6 +189,7 @@ static const char * const smbus_pnp_ids[] = {
+ "SYN3052", /* HP EliteBook 840 G4 */
+ "SYN3221", /* HP 15-ay000 */
+ "SYN323d", /* HP Spectre X360 13-w013dx */
++ "SYN3257", /* HP Envy 13-ad105ng */
+ NULL
+ };
+
+diff --git a/drivers/input/touchscreen/raydium_i2c_ts.c b/drivers/input/touchscreen/raydium_i2c_ts.c
+index 4f1d3fd5d412..7da44956555e 100644
+--- a/drivers/input/touchscreen/raydium_i2c_ts.c
++++ b/drivers/input/touchscreen/raydium_i2c_ts.c
+@@ -441,7 +441,7 @@ static int raydium_i2c_write_object(struct i2c_client *client,
+ return 0;
+ }
+
+-static bool raydium_i2c_boot_trigger(struct i2c_client *client)
++static int raydium_i2c_boot_trigger(struct i2c_client *client)
+ {
+ static const u8 cmd[7][6] = {
+ { 0x08, 0x0C, 0x09, 0x00, 0x50, 0xD7 },
+@@ -469,7 +469,7 @@ static bool raydium_i2c_boot_trigger(struct i2c_client *client)
+ return 0;
+ }
+
+-static bool raydium_i2c_fw_trigger(struct i2c_client *client)
++static int raydium_i2c_fw_trigger(struct i2c_client *client)
+ {
+ static const u8 cmd[5][11] = {
+ { 0, 0x09, 0x71, 0x0C, 0x09, 0x00, 0x50, 0xD7, 0, 0, 0 },
+diff --git a/drivers/md/dm-bio-record.h b/drivers/md/dm-bio-record.h
+index c82578af56a5..2ea0360108e1 100644
+--- a/drivers/md/dm-bio-record.h
++++ b/drivers/md/dm-bio-record.h
+@@ -20,8 +20,13 @@
+ struct dm_bio_details {
+ struct gendisk *bi_disk;
+ u8 bi_partno;
++ int __bi_remaining;
+ unsigned long bi_flags;
+ struct bvec_iter bi_iter;
++ bio_end_io_t *bi_end_io;
++#if defined(CONFIG_BLK_DEV_INTEGRITY)
++ struct bio_integrity_payload *bi_integrity;
++#endif
+ };
+
+ static inline void dm_bio_record(struct dm_bio_details *bd, struct bio *bio)
+@@ -30,6 +35,11 @@ static inline void dm_bio_record(struct dm_bio_details *bd, struct bio *bio)
+ bd->bi_partno = bio->bi_partno;
+ bd->bi_flags = bio->bi_flags;
+ bd->bi_iter = bio->bi_iter;
++ bd->__bi_remaining = atomic_read(&bio->__bi_remaining);
++ bd->bi_end_io = bio->bi_end_io;
++#if defined(CONFIG_BLK_DEV_INTEGRITY)
++ bd->bi_integrity = bio_integrity(bio);
++#endif
+ }
+
+ static inline void dm_bio_restore(struct dm_bio_details *bd, struct bio *bio)
+@@ -38,6 +48,11 @@ static inline void dm_bio_restore(struct dm_bio_details *bd, struct bio *bio)
+ bio->bi_partno = bd->bi_partno;
+ bio->bi_flags = bd->bi_flags;
+ bio->bi_iter = bd->bi_iter;
++ atomic_set(&bio->__bi_remaining, bd->__bi_remaining);
++ bio->bi_end_io = bd->bi_end_io;
++#if defined(CONFIG_BLK_DEV_INTEGRITY)
++ bio->bi_integrity = bd->bi_integrity;
++#endif
+ }
+
+ #endif
+diff --git a/drivers/media/usb/b2c2/flexcop-usb.c b/drivers/media/usb/b2c2/flexcop-usb.c
+index 427cda457af6..5104678f29b7 100644
+--- a/drivers/media/usb/b2c2/flexcop-usb.c
++++ b/drivers/media/usb/b2c2/flexcop-usb.c
+@@ -510,6 +510,9 @@ static int flexcop_usb_init(struct flexcop_usb *fc_usb)
+ return ret;
+ }
+
++ if (fc_usb->uintf->cur_altsetting->desc.bNumEndpoints < 1)
++ return -ENODEV;
++
+ switch (fc_usb->udev->speed) {
+ case USB_SPEED_LOW:
+ err("cannot handle USB speed because it is too slow.");
+@@ -543,9 +546,6 @@ static int flexcop_usb_probe(struct usb_interface *intf,
+ struct flexcop_device *fc = NULL;
+ int ret;
+
+- if (intf->cur_altsetting->desc.bNumEndpoints < 1)
+- return -ENODEV;
+-
+ if ((fc = flexcop_device_kmalloc(sizeof(struct flexcop_usb))) == NULL) {
+ err("out of memory\n");
+ return -ENOMEM;
+diff --git a/drivers/media/usb/dvb-usb/dib0700_core.c b/drivers/media/usb/dvb-usb/dib0700_core.c
+index 1ee7ec558293..33dd54c8fa04 100644
+--- a/drivers/media/usb/dvb-usb/dib0700_core.c
++++ b/drivers/media/usb/dvb-usb/dib0700_core.c
+@@ -821,7 +821,7 @@ int dib0700_rc_setup(struct dvb_usb_device *d, struct usb_interface *intf)
+
+ /* Starting in firmware 1.20, the RC info is provided on a bulk pipe */
+
+- if (intf->altsetting[0].desc.bNumEndpoints < rc_ep + 1)
++ if (intf->cur_altsetting->desc.bNumEndpoints < rc_ep + 1)
+ return -ENODEV;
+
+ purb = usb_alloc_urb(0, GFP_KERNEL);
+@@ -841,7 +841,7 @@ int dib0700_rc_setup(struct dvb_usb_device *d, struct usb_interface *intf)
+ * Some devices like the Hauppauge NovaTD model 52009 use an interrupt
+ * endpoint, while others use a bulk one.
+ */
+- e = &intf->altsetting[0].endpoint[rc_ep].desc;
++ e = &intf->cur_altsetting->endpoint[rc_ep].desc;
+ if (usb_endpoint_dir_in(e)) {
+ if (usb_endpoint_xfer_bulk(e)) {
+ pipe = usb_rcvbulkpipe(d->udev, rc_ep);
+diff --git a/drivers/media/usb/gspca/ov519.c b/drivers/media/usb/gspca/ov519.c
+index 8106a47a0dd0..b51d2de1aca8 100644
+--- a/drivers/media/usb/gspca/ov519.c
++++ b/drivers/media/usb/gspca/ov519.c
+@@ -3478,6 +3478,11 @@ static void ov511_mode_init_regs(struct sd *sd)
+ return;
+ }
+
++ if (alt->desc.bNumEndpoints < 1) {
++ sd->gspca_dev.usb_err = -ENODEV;
++ return;
++ }
++
+ packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
+ reg_w(sd, R51x_FIFO_PSIZE, packet_size >> 5);
+
+@@ -3604,6 +3609,11 @@ static void ov518_mode_init_regs(struct sd *sd)
+ return;
+ }
+
++ if (alt->desc.bNumEndpoints < 1) {
++ sd->gspca_dev.usb_err = -ENODEV;
++ return;
++ }
++
+ packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
+ ov518_reg_w32(sd, R51x_FIFO_PSIZE, packet_size & ~7, 2);
+
+diff --git a/drivers/media/usb/gspca/stv06xx/stv06xx.c b/drivers/media/usb/gspca/stv06xx/stv06xx.c
+index e72c3e1ab9ff..9caa5ef9d9e0 100644
+--- a/drivers/media/usb/gspca/stv06xx/stv06xx.c
++++ b/drivers/media/usb/gspca/stv06xx/stv06xx.c
+@@ -289,6 +289,9 @@ static int stv06xx_start(struct gspca_dev *gspca_dev)
+ return -EIO;
+ }
+
++ if (alt->desc.bNumEndpoints < 1)
++ return -ENODEV;
++
+ packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
+ err = stv06xx_write_bridge(sd, STV_ISO_SIZE_L, packet_size);
+ if (err < 0)
+@@ -313,11 +316,21 @@ out:
+
+ static int stv06xx_isoc_init(struct gspca_dev *gspca_dev)
+ {
++ struct usb_interface_cache *intfc;
+ struct usb_host_interface *alt;
+ struct sd *sd = (struct sd *) gspca_dev;
+
++ intfc = gspca_dev->dev->actconfig->intf_cache[0];
++
++ if (intfc->num_altsetting < 2)
++ return -ENODEV;
++
++ alt = &intfc->altsetting[1];
++
++ if (alt->desc.bNumEndpoints < 1)
++ return -ENODEV;
++
+ /* Start isoc bandwidth "negotiation" at max isoc bandwidth */
+- alt = &gspca_dev->dev->actconfig->intf_cache[0]->altsetting[1];
+ alt->endpoint[0].desc.wMaxPacketSize =
+ cpu_to_le16(sd->sensor->max_packet_size[gspca_dev->curr_mode]);
+
+@@ -330,6 +343,10 @@ static int stv06xx_isoc_nego(struct gspca_dev *gspca_dev)
+ struct usb_host_interface *alt;
+ struct sd *sd = (struct sd *) gspca_dev;
+
++ /*
++ * Existence of altsetting and endpoint was verified in
++ * stv06xx_isoc_init()
++ */
+ alt = &gspca_dev->dev->actconfig->intf_cache[0]->altsetting[1];
+ packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
+ min_packet_size = sd->sensor->min_packet_size[gspca_dev->curr_mode];
+diff --git a/drivers/media/usb/gspca/stv06xx/stv06xx_pb0100.c b/drivers/media/usb/gspca/stv06xx/stv06xx_pb0100.c
+index e1ce96e9405f..8d855b2756ba 100644
+--- a/drivers/media/usb/gspca/stv06xx/stv06xx_pb0100.c
++++ b/drivers/media/usb/gspca/stv06xx/stv06xx_pb0100.c
+@@ -194,6 +194,10 @@ static int pb0100_start(struct sd *sd)
+ alt = usb_altnum_to_altsetting(intf, sd->gspca_dev.alt);
+ if (!alt)
+ return -ENODEV;
++
++ if (alt->desc.bNumEndpoints < 1)
++ return -ENODEV;
++
+ packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
+
+ /* If we don't have enough bandwidth use a lower framerate */
+diff --git a/drivers/media/usb/gspca/xirlink_cit.c b/drivers/media/usb/gspca/xirlink_cit.c
+index 68656e7986c7..765a5d03e7cc 100644
+--- a/drivers/media/usb/gspca/xirlink_cit.c
++++ b/drivers/media/usb/gspca/xirlink_cit.c
+@@ -1451,6 +1451,9 @@ static int cit_get_packet_size(struct gspca_dev *gspca_dev)
+ return -EIO;
+ }
+
++ if (alt->desc.bNumEndpoints < 1)
++ return -ENODEV;
++
+ return le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
+ }
+
+@@ -2634,6 +2637,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
+
+ static int sd_isoc_init(struct gspca_dev *gspca_dev)
+ {
++ struct usb_interface_cache *intfc;
+ struct usb_host_interface *alt;
+ int max_packet_size;
+
+@@ -2649,8 +2653,17 @@ static int sd_isoc_init(struct gspca_dev *gspca_dev)
+ break;
+ }
+
++ intfc = gspca_dev->dev->actconfig->intf_cache[0];
++
++ if (intfc->num_altsetting < 2)
++ return -ENODEV;
++
++ alt = &intfc->altsetting[1];
++
++ if (alt->desc.bNumEndpoints < 1)
++ return -ENODEV;
++
+ /* Start isoc bandwidth "negotiation" at max isoc bandwidth */
+- alt = &gspca_dev->dev->actconfig->intf_cache[0]->altsetting[1];
+ alt->endpoint[0].desc.wMaxPacketSize = cpu_to_le16(max_packet_size);
+
+ return 0;
+@@ -2673,6 +2686,9 @@ static int sd_isoc_nego(struct gspca_dev *gspca_dev)
+ break;
+ }
+
++ /*
++ * Existence of altsetting and endpoint was verified in sd_isoc_init()
++ */
+ alt = &gspca_dev->dev->actconfig->intf_cache[0]->altsetting[1];
+ packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
+ if (packet_size <= min_packet_size)
+diff --git a/drivers/media/usb/usbtv/usbtv-core.c b/drivers/media/usb/usbtv/usbtv-core.c
+index 68df16b3ce72..50a61143898b 100644
+--- a/drivers/media/usb/usbtv/usbtv-core.c
++++ b/drivers/media/usb/usbtv/usbtv-core.c
+@@ -56,7 +56,7 @@ int usbtv_set_regs(struct usbtv *usbtv, const u16 regs[][2], int size)
+
+ ret = usb_control_msg(usbtv->udev, pipe, USBTV_REQUEST_REG,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+- value, index, NULL, 0, 0);
++ value, index, NULL, 0, USB_CTRL_GET_TIMEOUT);
+ if (ret < 0)
+ return ret;
+ }
+diff --git a/drivers/media/usb/usbtv/usbtv-video.c b/drivers/media/usb/usbtv/usbtv-video.c
+index 3668a04359e8..7c23d82313a8 100644
+--- a/drivers/media/usb/usbtv/usbtv-video.c
++++ b/drivers/media/usb/usbtv/usbtv-video.c
+@@ -720,7 +720,8 @@ static int usbtv_s_ctrl(struct v4l2_ctrl *ctrl)
+ ret = usb_control_msg(usbtv->udev,
+ usb_rcvctrlpipe(usbtv->udev, 0), USBTV_CONTROL_REG,
+ USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+- 0, USBTV_BASE + 0x0244, (void *)data, 3, 0);
++ 0, USBTV_BASE + 0x0244, (void *)data, 3,
++ USB_CTRL_GET_TIMEOUT);
+ if (ret < 0)
+ goto error;
+ }
+@@ -771,7 +772,7 @@ static int usbtv_s_ctrl(struct v4l2_ctrl *ctrl)
+ ret = usb_control_msg(usbtv->udev, usb_sndctrlpipe(usbtv->udev, 0),
+ USBTV_CONTROL_REG,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+- 0, index, (void *)data, size, 0);
++ 0, index, (void *)data, size, USB_CTRL_SET_TIMEOUT);
+
+ error:
+ if (ret < 0)
+diff --git a/drivers/misc/altera-stapl/altera.c b/drivers/misc/altera-stapl/altera.c
+index 494e263daa74..b7ee8043a133 100644
+--- a/drivers/misc/altera-stapl/altera.c
++++ b/drivers/misc/altera-stapl/altera.c
+@@ -2126,8 +2126,8 @@ exit_done:
+ return status;
+ }
+
+-static int altera_get_note(u8 *p, s32 program_size,
+- s32 *offset, char *key, char *value, int length)
++static int altera_get_note(u8 *p, s32 program_size, s32 *offset,
++ char *key, char *value, int keylen, int vallen)
+ /*
+ * Gets key and value of NOTE fields in the JBC file.
+ * Can be called in two modes: if offset pointer is NULL,
+@@ -2184,7 +2184,7 @@ static int altera_get_note(u8 *p, s32 program_size,
+ &p[note_table + (8 * i) + 4])];
+
+ if (value != NULL)
+- strlcpy(value, value_ptr, length);
++ strlcpy(value, value_ptr, vallen);
+
+ }
+ }
+@@ -2203,13 +2203,13 @@ static int altera_get_note(u8 *p, s32 program_size,
+ strlcpy(key, &p[note_strings +
+ get_unaligned_be32(
+ &p[note_table + (8 * i)])],
+- length);
++ keylen);
+
+ if (value != NULL)
+ strlcpy(value, &p[note_strings +
+ get_unaligned_be32(
+ &p[note_table + (8 * i) + 4])],
+- length);
++ vallen);
+
+ *offset = i + 1;
+ }
+@@ -2463,7 +2463,7 @@ int altera_init(struct altera_config *config, const struct firmware *fw)
+ __func__, (format_version == 2) ? "Jam STAPL" :
+ "pre-standardized Jam 1.1");
+ while (altera_get_note((u8 *)fw->data, fw->size,
+- &offset, key, value, 256) == 0)
++ &offset, key, value, 32, 256) == 0)
+ printk(KERN_INFO "%s: NOTE \"%s\" = \"%s\"\n",
+ __func__, key, value);
+ }
+diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c
+index 1dadd460cc8f..78c9ac33b562 100644
+--- a/drivers/mmc/host/sdhci-of-at91.c
++++ b/drivers/mmc/host/sdhci-of-at91.c
+@@ -125,7 +125,8 @@ static void sdhci_at91_reset(struct sdhci_host *host, u8 mask)
+ {
+ sdhci_reset(host, mask);
+
+- if (host->mmc->caps & MMC_CAP_NONREMOVABLE)
++ if ((host->mmc->caps & MMC_CAP_NONREMOVABLE)
++ || mmc_gpio_get_cd(host->mmc) >= 0)
+ sdhci_at91_set_force_card_detect(host);
+ }
+
+@@ -404,8 +405,11 @@ static int sdhci_at91_probe(struct platform_device *pdev)
+ * detection procedure using the SDMCC_CD signal is bypassed.
+ * This bit is reset when a software reset for all command is performed
+ * so we need to implement our own reset function to set back this bit.
++ *
++ * WA: SAMA5D2 doesn't drive CMD if using CD GPIO line.
+ */
+- if (host->mmc->caps & MMC_CAP_NONREMOVABLE)
++ if ((host->mmc->caps & MMC_CAP_NONREMOVABLE)
++ || mmc_gpio_get_cd(host->mmc) >= 0)
+ sdhci_at91_set_force_card_detect(host);
+
+ pm_runtime_put_autosuspend(&pdev->dev);
+diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c
+index 35564a9561b7..7c37b96ff22a 100644
+--- a/drivers/net/can/slcan.c
++++ b/drivers/net/can/slcan.c
+@@ -621,7 +621,10 @@ err_free_chan:
+ tty->disc_data = NULL;
+ clear_bit(SLF_INUSE, &sl->flags);
+ slc_free_netdev(sl->dev);
++ /* do not call free_netdev before rtnl_unlock */
++ rtnl_unlock();
+ free_netdev(sl->dev);
++ return err;
+
+ err_exit:
+ rtnl_unlock();
+diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
+index 3b073e152237..58c16aa00a70 100644
+--- a/drivers/net/dsa/mt7530.c
++++ b/drivers/net/dsa/mt7530.c
+@@ -549,7 +549,7 @@ mt7530_mib_reset(struct dsa_switch *ds)
+ static void
+ mt7530_port_set_status(struct mt7530_priv *priv, int port, int enable)
+ {
+- u32 mask = PMCR_TX_EN | PMCR_RX_EN;
++ u32 mask = PMCR_TX_EN | PMCR_RX_EN | PMCR_FORCE_LNK;
+
+ if (enable)
+ mt7530_set(priv, MT7530_PMCR_P(port), mask);
+diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c
+index fed37cd9ae1d..125e22ffe2ae 100644
+--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c
++++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c
+@@ -387,24 +387,26 @@ static int bnxt_dcbnl_ieee_getets(struct net_device *dev, struct ieee_ets *ets)
+ {
+ struct bnxt *bp = netdev_priv(dev);
+ struct ieee_ets *my_ets = bp->ieee_ets;
++ int rc;
+
+ ets->ets_cap = bp->max_tc;
+
+ if (!my_ets) {
+- int rc;
+-
+ if (bp->dcbx_cap & DCB_CAP_DCBX_HOST)
+ return 0;
+
+ my_ets = kzalloc(sizeof(*my_ets), GFP_KERNEL);
+ if (!my_ets)
+- return 0;
++ return -ENOMEM;
+ rc = bnxt_hwrm_queue_cos2bw_qcfg(bp, my_ets);
+ if (rc)
+- return 0;
++ goto error;
+ rc = bnxt_hwrm_queue_pri2cos_qcfg(bp, my_ets);
+ if (rc)
+- return 0;
++ goto error;
++
++ /* cache result */
++ bp->ieee_ets = my_ets;
+ }
+
+ ets->cbs = my_ets->cbs;
+@@ -413,6 +415,9 @@ static int bnxt_dcbnl_ieee_getets(struct net_device *dev, struct ieee_ets *ets)
+ memcpy(ets->tc_tsa, my_ets->tc_tsa, sizeof(ets->tc_tsa));
+ memcpy(ets->prio_tc, my_ets->prio_tc, sizeof(ets->prio_tc));
+ return 0;
++error:
++ kfree(my_ets);
++ return rc;
+ }
+
+ static int bnxt_dcbnl_ieee_setets(struct net_device *dev, struct ieee_ets *ets)
+diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
+index 39b8b6730e77..67246d42c3d9 100644
+--- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
++++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
+@@ -2646,9 +2646,7 @@ static inline u16 dpaa_get_headroom(struct dpaa_buffer_layout *bl)
+ headroom = (u16)(bl->priv_data_size + DPAA_PARSE_RESULTS_SIZE +
+ DPAA_TIME_STAMP_SIZE + DPAA_HASH_RESULTS_SIZE);
+
+- return DPAA_FD_DATA_ALIGNMENT ? ALIGN(headroom,
+- DPAA_FD_DATA_ALIGNMENT) :
+- headroom;
++ return ALIGN(headroom, DPAA_FD_DATA_ALIGNMENT);
+ }
+
+ static int dpaa_eth_probe(struct platform_device *pdev)
+diff --git a/drivers/net/ethernet/freescale/fman/Kconfig b/drivers/net/ethernet/freescale/fman/Kconfig
+index 8870a9a798ca..91437b94bfcb 100644
+--- a/drivers/net/ethernet/freescale/fman/Kconfig
++++ b/drivers/net/ethernet/freescale/fman/Kconfig
+@@ -8,3 +8,31 @@ config FSL_FMAN
+ help
+ Freescale Data-Path Acceleration Architecture Frame Manager
+ (FMan) support
++
++config DPAA_ERRATUM_A050385
++ bool
++ depends on ARM64 && FSL_DPAA
++ default y
++ help
++ DPAA FMan erratum A050385 software workaround implementation:
++ align buffers, data start, SG fragment length to avoid FMan DMA
++ splits.
++ FMAN DMA read or writes under heavy traffic load may cause FMAN
++ internal resource leak thus stopping further packet processing.
++ The FMAN internal queue can overflow when FMAN splits single
++ read or write transactions into multiple smaller transactions
++ such that more than 17 AXI transactions are in flight from FMAN
++ to interconnect. When the FMAN internal queue overflows, it can
++ stall further packet processing. The issue can occur with any
++ one of the following three conditions:
++ 1. FMAN AXI transaction crosses 4K address boundary (Errata
++ A010022)
++ 2. FMAN DMA address for an AXI transaction is not 16 byte
++ aligned, i.e. the last 4 bits of an address are non-zero
++ 3. Scatter Gather (SG) frames have more than one SG buffer in
++ the SG list and any one of the buffers, except the last
++ buffer in the SG list has data size that is not a multiple
++ of 16 bytes, i.e., other than 16, 32, 48, 64, etc.
++ With any one of the above three conditions present, there is
++ likelihood of stalled FMAN packet processing, especially under
++ stress with multiple ports injecting line-rate traffic.
+diff --git a/drivers/net/ethernet/freescale/fman/fman.c b/drivers/net/ethernet/freescale/fman/fman.c
+index 97425d94e280..9080d2332d03 100644
+--- a/drivers/net/ethernet/freescale/fman/fman.c
++++ b/drivers/net/ethernet/freescale/fman/fman.c
+@@ -1,5 +1,6 @@
+ /*
+ * Copyright 2008-2015 Freescale Semiconductor Inc.
++ * Copyright 2020 NXP
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+@@ -566,6 +567,10 @@ struct fman_cfg {
+ u32 qmi_def_tnums_thresh;
+ };
+
++#ifdef CONFIG_DPAA_ERRATUM_A050385
++static bool fman_has_err_a050385;
++#endif
++
+ static irqreturn_t fman_exceptions(struct fman *fman,
+ enum fman_exceptions exception)
+ {
+@@ -2517,6 +2522,14 @@ struct fman *fman_bind(struct device *fm_dev)
+ }
+ EXPORT_SYMBOL(fman_bind);
+
++#ifdef CONFIG_DPAA_ERRATUM_A050385
++bool fman_has_errata_a050385(void)
++{
++ return fman_has_err_a050385;
++}
++EXPORT_SYMBOL(fman_has_errata_a050385);
++#endif
++
+ static irqreturn_t fman_err_irq(int irq, void *handle)
+ {
+ struct fman *fman = (struct fman *)handle;
+@@ -2843,6 +2856,11 @@ static struct fman *read_dts_node(struct platform_device *of_dev)
+ goto fman_free;
+ }
+
++#ifdef CONFIG_DPAA_ERRATUM_A050385
++ fman_has_err_a050385 =
++ of_property_read_bool(fm_node, "fsl,erratum-a050385");
++#endif
++
+ return fman;
+
+ fman_node_put:
+diff --git a/drivers/net/ethernet/freescale/fman/fman.h b/drivers/net/ethernet/freescale/fman/fman.h
+index bfa02e0014ae..693401994fa2 100644
+--- a/drivers/net/ethernet/freescale/fman/fman.h
++++ b/drivers/net/ethernet/freescale/fman/fman.h
+@@ -1,5 +1,6 @@
+ /*
+ * Copyright 2008-2015 Freescale Semiconductor Inc.
++ * Copyright 2020 NXP
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+@@ -397,6 +398,10 @@ u16 fman_get_max_frm(void);
+
+ int fman_get_rx_extra_headroom(void);
+
++#ifdef CONFIG_DPAA_ERRATUM_A050385
++bool fman_has_errata_a050385(void);
++#endif
++
+ struct fman *fman_bind(struct device *dev);
+
+ #endif /* __FM_H */
+diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
+index a0c64b30f81a..a115e51dc211 100644
+--- a/drivers/net/ethernet/marvell/mvneta.c
++++ b/drivers/net/ethernet/marvell/mvneta.c
+@@ -2759,11 +2759,10 @@ static int mvneta_poll(struct napi_struct *napi, int budget)
+ /* For the case where the last mvneta_poll did not process all
+ * RX packets
+ */
+- rx_queue = fls(((cause_rx_tx >> 8) & 0xff));
+-
+ cause_rx_tx |= pp->neta_armada3700 ? pp->cause_rx_tx :
+ port->cause_rx_tx;
+
++ rx_queue = fls(((cause_rx_tx >> 8) & 0xff));
+ if (rx_queue) {
+ rx_queue = rx_queue - 1;
+ if (pp->bm_priv)
+diff --git a/drivers/net/ethernet/micrel/ks8851_mll.c b/drivers/net/ethernet/micrel/ks8851_mll.c
+index c699a779757e..1b0e1fc7825f 100644
+--- a/drivers/net/ethernet/micrel/ks8851_mll.c
++++ b/drivers/net/ethernet/micrel/ks8851_mll.c
+@@ -474,6 +474,50 @@ static int msg_enable;
+ * chip is busy transferring packet data (RX/TX FIFO accesses).
+ */
+
++/**
++ * ks_check_endian - Check whether endianness of the bus is correct
++ * @ks : The chip information
++ *
++ * The KS8851-16MLL EESK pin allows selecting the endianness of the 16bit
++ * bus. To maintain optimum performance, the bus endianness should be set
++ * such that it matches the endianness of the CPU.
++ */
++
++static int ks_check_endian(struct ks_net *ks)
++{
++ u16 cider;
++
++ /*
++ * Read CIDER register first, however read it the "wrong" way around.
++ * If the endian strap on the KS8851-16MLL in incorrect and the chip
++ * is operating in different endianness than the CPU, then the meaning
++ * of BE[3:0] byte-enable bits is also swapped such that:
++ * BE[3,2,1,0] becomes BE[1,0,3,2]
++ *
++ * Luckily for us, the byte-enable bits are the top four MSbits of
++ * the address register and the CIDER register is at offset 0xc0.
++ * Hence, by reading address 0xc0c0, which is not impacted by endian
++ * swapping, we assert either BE[3:2] or BE[1:0] while reading the
++ * CIDER register.
++ *
++ * If the bus configuration is correct, reading 0xc0c0 asserts
++ * BE[3:2] and this read returns 0x0000, because to read register
++ * with bottom two LSbits of address set to 0, BE[1:0] must be
++ * asserted.
++ *
++ * If the bus configuration is NOT correct, reading 0xc0c0 asserts
++ * BE[1:0] and this read returns non-zero 0x8872 value.
++ */
++ iowrite16(BE3 | BE2 | KS_CIDER, ks->hw_addr_cmd);
++ cider = ioread16(ks->hw_addr);
++ if (!cider)
++ return 0;
++
++ netdev_err(ks->netdev, "incorrect EESK endian strap setting\n");
++
++ return -EINVAL;
++}
++
+ /**
+ * ks_rdreg16 - read 16 bit register from device
+ * @ks : The chip information
+@@ -484,7 +528,7 @@ static int msg_enable;
+
+ static u16 ks_rdreg16(struct ks_net *ks, int offset)
+ {
+- ks->cmd_reg_cache = (u16)offset | ((BE3 | BE2) >> (offset & 0x02));
++ ks->cmd_reg_cache = (u16)offset | ((BE1 | BE0) << (offset & 0x02));
+ iowrite16(ks->cmd_reg_cache, ks->hw_addr_cmd);
+ return ioread16(ks->hw_addr);
+ }
+@@ -499,7 +543,7 @@ static u16 ks_rdreg16(struct ks_net *ks, int offset)
+
+ static void ks_wrreg16(struct ks_net *ks, int offset, u16 value)
+ {
+- ks->cmd_reg_cache = (u16)offset | ((BE3 | BE2) >> (offset & 0x02));
++ ks->cmd_reg_cache = (u16)offset | ((BE1 | BE0) << (offset & 0x02));
+ iowrite16(ks->cmd_reg_cache, ks->hw_addr_cmd);
+ iowrite16(value, ks->hw_addr);
+ }
+@@ -515,7 +559,7 @@ static inline void ks_inblk(struct ks_net *ks, u16 *wptr, u32 len)
+ {
+ len >>= 1;
+ while (len--)
+- *wptr++ = be16_to_cpu(ioread16(ks->hw_addr));
++ *wptr++ = (u16)ioread16(ks->hw_addr);
+ }
+
+ /**
+@@ -529,7 +573,7 @@ static inline void ks_outblk(struct ks_net *ks, u16 *wptr, u32 len)
+ {
+ len >>= 1;
+ while (len--)
+- iowrite16(cpu_to_be16(*wptr++), ks->hw_addr);
++ iowrite16(*wptr++, ks->hw_addr);
+ }
+
+ static void ks_disable_int(struct ks_net *ks)
+@@ -1539,6 +1583,10 @@ static int ks8851_probe(struct platform_device *pdev)
+ goto err_free;
+ }
+
++ err = ks_check_endian(ks);
++ if (err)
++ goto err_free;
++
+ netdev->irq = platform_get_irq(pdev, 0);
+
+ if ((int)netdev->irq < 0) {
+diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c b/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
+index 89831adb8eb7..6d27eec85fce 100644
+--- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
++++ b/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
+@@ -2284,7 +2284,7 @@ static int __init sxgbe_cmdline_opt(char *str)
+ if (!str || !*str)
+ return -EINVAL;
+ while ((opt = strsep(&str, ",")) != NULL) {
+- if (!strncmp(opt, "eee_timer:", 6)) {
++ if (!strncmp(opt, "eee_timer:", 10)) {
+ if (kstrtoint(opt + 10, 0, &eee_timer))
+ goto err;
+ }
+diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
+index 712b5eb3507a..4156cf007b53 100644
+--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
++++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
+@@ -1362,7 +1362,7 @@ static int rk_gmac_probe(struct platform_device *pdev)
+
+ ret = rk_gmac_clk_init(plat_dat);
+ if (ret)
+- return ret;
++ goto err_remove_config_dt;
+
+ ret = rk_gmac_powerup(plat_dat->bsp_priv);
+ if (ret)
+diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
+index c2c3ce5653db..5959e8817a1b 100644
+--- a/drivers/net/macsec.c
++++ b/drivers/net/macsec.c
+@@ -19,6 +19,7 @@
+ #include <net/genetlink.h>
+ #include <net/sock.h>
+ #include <net/gro_cells.h>
++#include <linux/if_arp.h>
+
+ #include <uapi/linux/if_macsec.h>
+
+@@ -3219,6 +3220,8 @@ static int macsec_newlink(struct net *net, struct net_device *dev,
+ real_dev = __dev_get_by_index(net, nla_get_u32(tb[IFLA_LINK]));
+ if (!real_dev)
+ return -ENODEV;
++ if (real_dev->type != ARPHRD_ETHER)
++ return -EINVAL;
+
+ dev->priv_flags |= IFF_MACSEC;
+
+diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
+index a8d5561afc7d..e028e03765a5 100644
+--- a/drivers/net/usb/qmi_wwan.c
++++ b/drivers/net/usb/qmi_wwan.c
+@@ -1139,6 +1139,7 @@ static const struct usb_device_id products[] = {
+ {QMI_FIXED_INTF(0x1435, 0xd181, 4)}, /* Wistron NeWeb D18Q1 */
+ {QMI_FIXED_INTF(0x1435, 0xd181, 5)}, /* Wistron NeWeb D18Q1 */
+ {QMI_QUIRK_SET_DTR(0x1508, 0x1001, 4)}, /* Fibocom NL668 series */
++ {QMI_FIXED_INTF(0x1690, 0x7588, 4)}, /* ASKEY WWHC050 */
+ {QMI_FIXED_INTF(0x16d8, 0x6003, 0)}, /* CMOTech 6003 */
+ {QMI_FIXED_INTF(0x16d8, 0x6007, 0)}, /* CMOTech CHE-628S */
+ {QMI_FIXED_INTF(0x16d8, 0x6008, 0)}, /* CMOTech CMU-301 */
+diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
+index e0cea5c05f0e..03e4fcdfeab7 100644
+--- a/drivers/net/vrf.c
++++ b/drivers/net/vrf.c
+@@ -996,23 +996,24 @@ static struct sk_buff *vrf_ip6_rcv(struct net_device *vrf_dev,
+ struct sk_buff *skb)
+ {
+ int orig_iif = skb->skb_iif;
+- bool need_strict = rt6_need_strict(&ipv6_hdr(skb)->daddr);
+- bool is_ndisc = ipv6_ndisc_frame(skb);
++ bool need_strict;
+
+- /* loopback, multicast & non-ND link-local traffic; do not push through
+- * packet taps again. Reset pkt_type for upper layers to process skb
++ /* loopback traffic; do not push through packet taps again.
++ * Reset pkt_type for upper layers to process skb
+ */
+- if (skb->pkt_type == PACKET_LOOPBACK || (need_strict && !is_ndisc)) {
++ if (skb->pkt_type == PACKET_LOOPBACK) {
+ skb->dev = vrf_dev;
+ skb->skb_iif = vrf_dev->ifindex;
+ IP6CB(skb)->flags |= IP6SKB_L3SLAVE;
+- if (skb->pkt_type == PACKET_LOOPBACK)
+- skb->pkt_type = PACKET_HOST;
++ skb->pkt_type = PACKET_HOST;
+ goto out;
+ }
+
+- /* if packet is NDISC then keep the ingress interface */
+- if (!is_ndisc) {
++ /* if packet is NDISC or addressed to multicast or link-local
++ * then keep the ingress interface
++ */
++ need_strict = rt6_need_strict(&ipv6_hdr(skb)->daddr);
++ if (!ipv6_ndisc_frame(skb) && !need_strict) {
+ vrf_rx_stats(vrf_dev, skb->len);
+ skb->dev = vrf_dev;
+ skb->skb_iif = vrf_dev->ifindex;
+diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
+index 4d97a7b5fe3c..927d62c76a60 100644
+--- a/drivers/net/vxlan.c
++++ b/drivers/net/vxlan.c
+@@ -2454,10 +2454,19 @@ static void vxlan_vs_add_dev(struct vxlan_sock *vs, struct vxlan_dev *vxlan,
+ /* Setup stats when device is created */
+ static int vxlan_init(struct net_device *dev)
+ {
++ struct vxlan_dev *vxlan = netdev_priv(dev);
++ int err;
++
+ dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
+ if (!dev->tstats)
+ return -ENOMEM;
+
++ err = gro_cells_init(&vxlan->gro_cells, dev);
++ if (err) {
++ free_percpu(dev->tstats);
++ return err;
++ }
++
+ return 0;
+ }
+
+@@ -2717,8 +2726,6 @@ static void vxlan_setup(struct net_device *dev)
+
+ vxlan->dev = dev;
+
+- gro_cells_init(&vxlan->gro_cells, dev);
+-
+ for (h = 0; h < FDB_HASH_SIZE; ++h)
+ INIT_HLIST_HEAD(&vxlan->fdb_head[h]);
+ }
+diff --git a/drivers/nfc/fdp/fdp.c b/drivers/nfc/fdp/fdp.c
+index ec50027b0d8b..3195bae1685f 100644
+--- a/drivers/nfc/fdp/fdp.c
++++ b/drivers/nfc/fdp/fdp.c
+@@ -192,7 +192,7 @@ static int fdp_nci_send_patch(struct nci_dev *ndev, u8 conn_id, u8 type)
+ const struct firmware *fw;
+ struct sk_buff *skb;
+ unsigned long len;
+- u8 max_size, payload_size;
++ int max_size, payload_size;
+ int rc = 0;
+
+ if ((type == NCI_PATCH_TYPE_OTP && !info->otp_patch) ||
+@@ -215,8 +215,7 @@ static int fdp_nci_send_patch(struct nci_dev *ndev, u8 conn_id, u8 type)
+
+ while (len) {
+
+- payload_size = min_t(unsigned long, (unsigned long) max_size,
+- len);
++ payload_size = min_t(unsigned long, max_size, len);
+
+ skb = nci_skb_alloc(ndev, (NCI_CTRL_HDR_SIZE + payload_size),
+ GFP_KERNEL);
+diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
+index fe26697d3bd7..69da2f6896da 100644
+--- a/drivers/of/of_mdio.c
++++ b/drivers/of/of_mdio.c
+@@ -259,6 +259,7 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
+ rc = of_mdiobus_register_phy(mdio, child, addr);
+ if (rc && rc != -ENODEV)
+ goto unregister;
++ break;
+ }
+ }
+ }
+diff --git a/drivers/perf/arm_pmu_acpi.c b/drivers/perf/arm_pmu_acpi.c
+index 3303dd8d8eb5..604e549a9a47 100644
+--- a/drivers/perf/arm_pmu_acpi.c
++++ b/drivers/perf/arm_pmu_acpi.c
+@@ -25,8 +25,6 @@ static int arm_pmu_acpi_register_irq(int cpu)
+ int gsi, trigger;
+
+ gicc = acpi_cpu_get_madt_gicc(cpu);
+- if (WARN_ON(!gicc))
+- return -EINVAL;
+
+ gsi = gicc->performance_interrupt;
+
+@@ -65,11 +63,10 @@ static void arm_pmu_acpi_unregister_irq(int cpu)
+ int gsi;
+
+ gicc = acpi_cpu_get_madt_gicc(cpu);
+- if (!gicc)
+- return;
+
+ gsi = gicc->performance_interrupt;
+- acpi_unregister_gsi(gsi);
++ if (gsi)
++ acpi_unregister_gsi(gsi);
+ }
+
+ static int arm_pmu_acpi_parse_irqs(void)
+diff --git a/drivers/platform/x86/pmc_atom.c b/drivers/platform/x86/pmc_atom.c
+index 74997194fd88..92205b90c25c 100644
+--- a/drivers/platform/x86/pmc_atom.c
++++ b/drivers/platform/x86/pmc_atom.c
+@@ -443,6 +443,14 @@ static const struct dmi_system_id critclk_systems[] = {
+ DMI_MATCH(DMI_PRODUCT_NAME, "3I380D"),
+ },
+ },
++ {
++ /* pmc_plt_clk* - are used for ethernet controllers */
++ .ident = "Lex 2I385SW",
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "Lex BayTrail"),
++ DMI_MATCH(DMI_PRODUCT_NAME, "2I385SW"),
++ },
++ },
+ {
+ /* pmc_plt_clk* - are used for ethernet controllers */
+ .ident = "Beckhoff CB3163",
+diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
+index e0e58f3b1420..68b76e6ddc1e 100644
+--- a/drivers/rtc/Kconfig
++++ b/drivers/rtc/Kconfig
+@@ -323,6 +323,7 @@ config RTC_DRV_MAX6900
+ config RTC_DRV_MAX8907
+ tristate "Maxim MAX8907"
+ depends on MFD_MAX8907 || COMPILE_TEST
++ select REGMAP_IRQ
+ help
+ If you say yes here you will get support for the
+ RTC of Maxim MAX8907 PMIC.
+diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
+index 35d54ee1c5c7..b172f0a02083 100644
+--- a/drivers/scsi/ipr.c
++++ b/drivers/scsi/ipr.c
+@@ -9962,6 +9962,7 @@ static void ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg,
+ ioa_cfg->max_devs_supported = ipr_max_devs;
+
+ if (ioa_cfg->sis64) {
++ host->max_channel = IPR_MAX_SIS64_BUSES;
+ host->max_id = IPR_MAX_SIS64_TARGETS_PER_BUS;
+ host->max_lun = IPR_MAX_SIS64_LUNS_PER_TARGET;
+ if (ipr_max_devs > IPR_MAX_SIS64_DEVS)
+@@ -9970,6 +9971,7 @@ static void ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg,
+ + ((sizeof(struct ipr_config_table_entry64)
+ * ioa_cfg->max_devs_supported)));
+ } else {
++ host->max_channel = IPR_VSET_BUS;
+ host->max_id = IPR_MAX_NUM_TARGETS_PER_BUS;
+ host->max_lun = IPR_MAX_NUM_LUNS_PER_TARGET;
+ if (ipr_max_devs > IPR_MAX_PHYSICAL_DEVS)
+@@ -9979,7 +9981,6 @@ static void ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg,
+ * ioa_cfg->max_devs_supported)));
+ }
+
+- host->max_channel = IPR_VSET_BUS;
+ host->unique_id = host->host_no;
+ host->max_cmd_len = IPR_MAX_CDB_LEN;
+ host->can_queue = ioa_cfg->max_cmds;
+diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
+index 085e6c90f9e6..89b36987ff30 100644
+--- a/drivers/scsi/ipr.h
++++ b/drivers/scsi/ipr.h
+@@ -1306,6 +1306,7 @@ struct ipr_resource_entry {
+ #define IPR_ARRAY_VIRTUAL_BUS 0x1
+ #define IPR_VSET_VIRTUAL_BUS 0x2
+ #define IPR_IOAFP_VIRTUAL_BUS 0x3
++#define IPR_MAX_SIS64_BUSES 0x4
+
+ #define IPR_GET_RES_PHYS_LOC(res) \
+ (((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
+diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
+index e8c2afbb82e9..49d0720a0b7d 100644
+--- a/drivers/scsi/sd.c
++++ b/drivers/scsi/sd.c
+@@ -3212,9 +3212,11 @@ static int sd_revalidate_disk(struct gendisk *disk)
+ if (sd_validate_opt_xfer_size(sdkp, dev_max)) {
+ q->limits.io_opt = logical_to_bytes(sdp, sdkp->opt_xfer_blocks);
+ rw_max = logical_to_sectors(sdp, sdkp->opt_xfer_blocks);
+- } else
++ } else {
++ q->limits.io_opt = 0;
+ rw_max = min_not_zero(logical_to_sectors(sdp, dev_max),
+ (sector_t)BLK_DEF_MAX_SECTORS);
++ }
+
+ /* Do not exceed controller limit */
+ rw_max = min(rw_max, queue_max_hw_sectors(q));
+diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
+index b2245cdce230..5160e16d3a98 100644
+--- a/drivers/spi/spi-pxa2xx.c
++++ b/drivers/spi/spi-pxa2xx.c
+@@ -76,6 +76,10 @@ MODULE_ALIAS("platform:pxa2xx-spi");
+ #define LPSS_CAPS_CS_EN_SHIFT 9
+ #define LPSS_CAPS_CS_EN_MASK (0xf << LPSS_CAPS_CS_EN_SHIFT)
+
++#define LPSS_PRIV_CLOCK_GATE 0x38
++#define LPSS_PRIV_CLOCK_GATE_CLK_CTL_MASK 0x3
++#define LPSS_PRIV_CLOCK_GATE_CLK_CTL_FORCE_ON 0x3
++
+ struct lpss_config {
+ /* LPSS offset from drv_data->ioaddr */
+ unsigned offset;
+@@ -92,6 +96,8 @@ struct lpss_config {
+ unsigned cs_sel_shift;
+ unsigned cs_sel_mask;
+ unsigned cs_num;
++ /* Quirks */
++ unsigned cs_clk_stays_gated : 1;
+ };
+
+ /* Keep these sorted with enum pxa_ssp_type */
+@@ -162,6 +168,7 @@ static const struct lpss_config lpss_platforms[] = {
+ .tx_threshold_hi = 56,
+ .cs_sel_shift = 8,
+ .cs_sel_mask = 3 << 8,
++ .cs_clk_stays_gated = true,
+ },
+ };
+
+@@ -385,6 +392,22 @@ static void lpss_ssp_cs_control(struct driver_data *drv_data, bool enable)
+ else
+ value |= LPSS_CS_CONTROL_CS_HIGH;
+ __lpss_ssp_write_priv(drv_data, config->reg_cs_ctrl, value);
++ if (config->cs_clk_stays_gated) {
++ u32 clkgate;
++
++ /*
++ * Changing CS alone when dynamic clock gating is on won't
++ * actually flip CS at that time. This ruins SPI transfers
++ * that specify delays, or have no data. Toggle the clock mode
++ * to force on briefly to poke the CS pin to move.
++ */
++ clkgate = __lpss_ssp_read_priv(drv_data, LPSS_PRIV_CLOCK_GATE);
++ value = (clkgate & ~LPSS_PRIV_CLOCK_GATE_CLK_CTL_MASK) |
++ LPSS_PRIV_CLOCK_GATE_CLK_CTL_FORCE_ON;
++
++ __lpss_ssp_write_priv(drv_data, LPSS_PRIV_CLOCK_GATE, value);
++ __lpss_ssp_write_priv(drv_data, LPSS_PRIV_CLOCK_GATE, clkgate);
++ }
+ }
+
+ static void cs_assert(struct driver_data *drv_data)
+diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c
+index 974a8ce58b68..cb74fd1af205 100644
+--- a/drivers/spi/spi-qup.c
++++ b/drivers/spi/spi-qup.c
+@@ -1190,6 +1190,11 @@ static int spi_qup_suspend(struct device *device)
+ struct spi_qup *controller = spi_master_get_devdata(master);
+ int ret;
+
++ if (pm_runtime_suspended(device)) {
++ ret = spi_qup_pm_resume_runtime(device);
++ if (ret)
++ return ret;
++ }
+ ret = spi_master_suspend(master);
+ if (ret)
+ return ret;
+@@ -1198,10 +1203,8 @@ static int spi_qup_suspend(struct device *device)
+ if (ret)
+ return ret;
+
+- if (!pm_runtime_suspended(device)) {
+- clk_disable_unprepare(controller->cclk);
+- clk_disable_unprepare(controller->iclk);
+- }
++ clk_disable_unprepare(controller->cclk);
++ clk_disable_unprepare(controller->iclk);
+ return 0;
+ }
+
+diff --git a/drivers/spi/spi-zynqmp-gqspi.c b/drivers/spi/spi-zynqmp-gqspi.c
+index 18aeaceee286..d26c0eda2d9e 100644
+--- a/drivers/spi/spi-zynqmp-gqspi.c
++++ b/drivers/spi/spi-zynqmp-gqspi.c
+@@ -415,9 +415,6 @@ static void zynqmp_qspi_chipselect(struct spi_device *qspi, bool is_high)
+
+ zynqmp_gqspi_write(xqspi, GQSPI_GEN_FIFO_OFST, genfifoentry);
+
+- /* Dummy generic FIFO entry */
+- zynqmp_gqspi_write(xqspi, GQSPI_GEN_FIFO_OFST, 0x0);
+-
+ /* Manually start the generic FIFO command */
+ zynqmp_gqspi_write(xqspi, GQSPI_CONFIG_OFST,
+ zynqmp_gqspi_read(xqspi, GQSPI_CONFIG_OFST) |
+diff --git a/drivers/staging/greybus/tools/loopback_test.c b/drivers/staging/greybus/tools/loopback_test.c
+index fbe589fca840..b6aa70b94f33 100644
+--- a/drivers/staging/greybus/tools/loopback_test.c
++++ b/drivers/staging/greybus/tools/loopback_test.c
+@@ -20,6 +20,7 @@
+ #include <signal.h>
+
+ #define MAX_NUM_DEVICES 10
++#define MAX_SYSFS_PREFIX 0x80
+ #define MAX_SYSFS_PATH 0x200
+ #define CSV_MAX_LINE 0x1000
+ #define SYSFS_MAX_INT 0x20
+@@ -68,7 +69,7 @@ struct loopback_results {
+ };
+
+ struct loopback_device {
+- char name[MAX_SYSFS_PATH];
++ char name[MAX_STR_LEN];
+ char sysfs_entry[MAX_SYSFS_PATH];
+ char debugfs_entry[MAX_SYSFS_PATH];
+ struct loopback_results results;
+@@ -94,8 +95,8 @@ struct loopback_test {
+ int stop_all;
+ int poll_count;
+ char test_name[MAX_STR_LEN];
+- char sysfs_prefix[MAX_SYSFS_PATH];
+- char debugfs_prefix[MAX_SYSFS_PATH];
++ char sysfs_prefix[MAX_SYSFS_PREFIX];
++ char debugfs_prefix[MAX_SYSFS_PREFIX];
+ struct timespec poll_timeout;
+ struct loopback_device devices[MAX_NUM_DEVICES];
+ struct loopback_results aggregate_results;
+@@ -644,7 +645,7 @@ baddir:
+ static int open_poll_files(struct loopback_test *t)
+ {
+ struct loopback_device *dev;
+- char buf[MAX_STR_LEN];
++ char buf[MAX_SYSFS_PATH + MAX_STR_LEN];
+ char dummy;
+ int fds_idx = 0;
+ int i;
+@@ -914,10 +915,10 @@ int main(int argc, char *argv[])
+ t.iteration_max = atoi(optarg);
+ break;
+ case 'S':
+- snprintf(t.sysfs_prefix, MAX_SYSFS_PATH, "%s", optarg);
++ snprintf(t.sysfs_prefix, MAX_SYSFS_PREFIX, "%s", optarg);
+ break;
+ case 'D':
+- snprintf(t.debugfs_prefix, MAX_SYSFS_PATH, "%s", optarg);
++ snprintf(t.debugfs_prefix, MAX_SYSFS_PREFIX, "%s", optarg);
+ break;
+ case 'm':
+ t.mask = atol(optarg);
+@@ -968,10 +969,10 @@ int main(int argc, char *argv[])
+ }
+
+ if (!strcmp(t.sysfs_prefix, ""))
+- snprintf(t.sysfs_prefix, MAX_SYSFS_PATH, "%s", sysfs_prefix);
++ snprintf(t.sysfs_prefix, MAX_SYSFS_PREFIX, "%s", sysfs_prefix);
+
+ if (!strcmp(t.debugfs_prefix, ""))
+- snprintf(t.debugfs_prefix, MAX_SYSFS_PATH, "%s", debugfs_prefix);
++ snprintf(t.debugfs_prefix, MAX_SYSFS_PREFIX, "%s", debugfs_prefix);
+
+ ret = find_loopback_devices(&t);
+ if (ret)
+diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
+index 536453358568..30615b8fb657 100644
+--- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c
++++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
+@@ -40,12 +40,14 @@ static const struct usb_device_id rtw_usb_id_tbl[] = {
+ /****** 8188EUS ********/
+ {USB_DEVICE(0x056e, 0x4008)}, /* Elecom WDC-150SU2M */
+ {USB_DEVICE(0x07b8, 0x8179)}, /* Abocom - Abocom */
++ {USB_DEVICE(0x0B05, 0x18F0)}, /* ASUS USB-N10 Nano B1 */
+ {USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */
+ {USB_DEVICE(0x2001, 0x3310)}, /* Dlink DWA-123 REV D1 */
+ {USB_DEVICE(0x2001, 0x3311)}, /* DLink GO-USB-N150 REV B1 */
+ {USB_DEVICE(0x2001, 0x331B)}, /* D-Link DWA-121 rev B1 */
+ {USB_DEVICE(0x2357, 0x010c)}, /* TP-Link TL-WN722N v2 */
+ {USB_DEVICE(0x2357, 0x0111)}, /* TP-Link TL-WN727N v5.21 */
++ {USB_DEVICE(0x2C4E, 0x0102)}, /* MERCUSYS MW150US v2 */
+ {USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */
+ {USB_DEVICE(USB_VENDER_ID_REALTEK, 0xffef)}, /* Rosewill RNX-N150NUB */
+ {} /* Terminating entry */
+diff --git a/drivers/staging/speakup/main.c b/drivers/staging/speakup/main.c
+index 56f7be6af1f6..a27f5e9a1ae1 100644
+--- a/drivers/staging/speakup/main.c
++++ b/drivers/staging/speakup/main.c
+@@ -567,7 +567,7 @@ static u_long get_word(struct vc_data *vc)
+ return 0;
+ } else if (tmpx < vc->vc_cols - 2 &&
+ (ch == SPACE || ch == 0 || (ch < 0x100 && IS_WDLM(ch))) &&
+- get_char(vc, (u_short *)&tmp_pos + 1, &temp) > SPACE) {
++ get_char(vc, (u_short *)tmp_pos + 1, &temp) > SPACE) {
+ tmp_pos += 2;
+ tmpx++;
+ } else
+diff --git a/drivers/staging/wlan-ng/hfa384x_usb.c b/drivers/staging/wlan-ng/hfa384x_usb.c
+index 2a22e448a2b3..fb1a76c4c927 100644
+--- a/drivers/staging/wlan-ng/hfa384x_usb.c
++++ b/drivers/staging/wlan-ng/hfa384x_usb.c
+@@ -3495,6 +3495,8 @@ static void hfa384x_int_rxmonitor(struct wlandevice *wlandev,
+ WLAN_HDR_A4_LEN + WLAN_DATA_MAXLEN + WLAN_CRC_LEN)) {
+ pr_debug("overlen frm: len=%zd\n",
+ skblen - sizeof(struct p80211_caphdr));
++
++ return;
+ }
+
+ skb = dev_alloc_skb(skblen);
+diff --git a/drivers/staging/wlan-ng/prism2usb.c b/drivers/staging/wlan-ng/prism2usb.c
+index b5ba176004c1..d8d86761b790 100644
+--- a/drivers/staging/wlan-ng/prism2usb.c
++++ b/drivers/staging/wlan-ng/prism2usb.c
+@@ -180,6 +180,7 @@ static void prism2sta_disconnect_usb(struct usb_interface *interface)
+
+ cancel_work_sync(&hw->link_bh);
+ cancel_work_sync(&hw->commsqual_bh);
++ cancel_work_sync(&hw->usb_work);
+
+ /* Now we complete any outstanding commands
+ * and tell everyone who is waiting for their
+diff --git a/drivers/tty/vt/selection.c b/drivers/tty/vt/selection.c
+index 91ffe3f2b8a0..8687b17f6cf0 100644
+--- a/drivers/tty/vt/selection.c
++++ b/drivers/tty/vt/selection.c
+@@ -83,6 +83,11 @@ void clear_selection(void)
+ }
+ }
+
++bool vc_is_sel(struct vc_data *vc)
++{
++ return vc == sel_cons;
++}
++
+ /*
+ * User settable table: what characters are to be considered alphabetic?
+ * 128 bits. Locked by the console lock.
+diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
+index 826433af4bdd..46defa3be9a4 100644
+--- a/drivers/tty/vt/vt.c
++++ b/drivers/tty/vt/vt.c
+@@ -584,8 +584,9 @@ static void hide_softcursor(struct vc_data *vc)
+
+ static void hide_cursor(struct vc_data *vc)
+ {
+- if (vc == sel_cons)
++ if (vc_is_sel(vc))
+ clear_selection();
++
+ vc->vc_sw->con_cursor(vc, CM_ERASE);
+ hide_softcursor(vc);
+ }
+@@ -595,7 +596,7 @@ static void set_cursor(struct vc_data *vc)
+ if (!con_is_fg(vc) || console_blanked || vc->vc_mode == KD_GRAPHICS)
+ return;
+ if (vc->vc_deccm) {
+- if (vc == sel_cons)
++ if (vc_is_sel(vc))
+ clear_selection();
+ add_softcursor(vc);
+ if ((vc->vc_cursor_type & 0x0f) != 1)
+@@ -750,6 +751,17 @@ static void visual_init(struct vc_data *vc, int num, int init)
+ vc->vc_screenbuf_size = vc->vc_rows * vc->vc_size_row;
+ }
+
++static void vc_port_destruct(struct tty_port *port)
++{
++ struct vc_data *vc = container_of(port, struct vc_data, port);
++
++ kfree(vc);
++}
++
++static const struct tty_port_operations vc_port_ops = {
++ .destruct = vc_port_destruct,
++};
++
+ int vc_allocate(unsigned int currcons) /* return 0 on success */
+ {
+ struct vt_notifier_param param;
+@@ -775,6 +787,7 @@ int vc_allocate(unsigned int currcons) /* return 0 on success */
+
+ vc_cons[currcons].d = vc;
+ tty_port_init(&vc->port);
++ vc->port.ops = &vc_port_ops;
+ INIT_WORK(&vc_cons[currcons].SAK_work, vc_SAK);
+
+ visual_init(vc, currcons, 1);
+@@ -873,7 +886,7 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
+ if (!newscreen)
+ return -ENOMEM;
+
+- if (vc == sel_cons)
++ if (vc_is_sel(vc))
+ clear_selection();
+
+ old_rows = vc->vc_rows;
+@@ -2894,6 +2907,7 @@ static int con_install(struct tty_driver *driver, struct tty_struct *tty)
+
+ tty->driver_data = vc;
+ vc->port.tty = tty;
++ tty_port_get(&vc->port);
+
+ if (!tty->winsize.ws_row && !tty->winsize.ws_col) {
+ tty->winsize.ws_row = vc_cons[currcons].d->vc_rows;
+@@ -2929,6 +2943,13 @@ static void con_shutdown(struct tty_struct *tty)
+ console_unlock();
+ }
+
++static void con_cleanup(struct tty_struct *tty)
++{
++ struct vc_data *vc = tty->driver_data;
++
++ tty_port_put(&vc->port);
++}
++
+ static int default_color = 7; /* white */
+ static int default_italic_color = 2; // green (ASCII)
+ static int default_underline_color = 3; // cyan (ASCII)
+@@ -3053,7 +3074,8 @@ static const struct tty_operations con_ops = {
+ .throttle = con_throttle,
+ .unthrottle = con_unthrottle,
+ .resize = vt_resize,
+- .shutdown = con_shutdown
++ .shutdown = con_shutdown,
++ .cleanup = con_cleanup,
+ };
+
+ static struct cdev vc0_cdev;
+diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c
+index c320fefab360..699ad55e3ec6 100644
+--- a/drivers/tty/vt/vt_ioctl.c
++++ b/drivers/tty/vt/vt_ioctl.c
+@@ -39,11 +39,32 @@
+ #include <linux/kbd_diacr.h>
+ #include <linux/selection.h>
+
+-char vt_dont_switch;
+-extern struct tty_driver *console_driver;
++bool vt_dont_switch;
+
+-#define VT_IS_IN_USE(i) (console_driver->ttys[i] && console_driver->ttys[i]->count)
+-#define VT_BUSY(i) (VT_IS_IN_USE(i) || i == fg_console || vc_cons[i].d == sel_cons)
++static inline bool vt_in_use(unsigned int i)
++{
++ const struct vc_data *vc = vc_cons[i].d;
++
++ /*
++ * console_lock must be held to prevent the vc from being deallocated
++ * while we're checking whether it's in-use.
++ */
++ WARN_CONSOLE_UNLOCKED();
++
++ return vc && kref_read(&vc->port.kref) > 1;
++}
++
++static inline bool vt_busy(int i)
++{
++ if (vt_in_use(i))
++ return true;
++ if (i == fg_console)
++ return true;
++ if (vc_is_sel(vc_cons[i].d))
++ return true;
++
++ return false;
++}
+
+ /*
+ * Console (vt and kd) routines, as defined by USL SVR4 manual, and by
+@@ -289,16 +310,14 @@ static int vt_disallocate(unsigned int vc_num)
+ int ret = 0;
+
+ console_lock();
+- if (VT_BUSY(vc_num))
++ if (vt_busy(vc_num))
+ ret = -EBUSY;
+ else if (vc_num)
+ vc = vc_deallocate(vc_num);
+ console_unlock();
+
+- if (vc && vc_num >= MIN_NR_CONSOLES) {
+- tty_port_destroy(&vc->port);
+- kfree(vc);
+- }
++ if (vc && vc_num >= MIN_NR_CONSOLES)
++ tty_port_put(&vc->port);
+
+ return ret;
+ }
+@@ -311,17 +330,15 @@ static void vt_disallocate_all(void)
+
+ console_lock();
+ for (i = 1; i < MAX_NR_CONSOLES; i++)
+- if (!VT_BUSY(i))
++ if (!vt_busy(i))
+ vc[i] = vc_deallocate(i);
+ else
+ vc[i] = NULL;
+ console_unlock();
+
+ for (i = 1; i < MAX_NR_CONSOLES; i++) {
+- if (vc[i] && i >= MIN_NR_CONSOLES) {
+- tty_port_destroy(&vc[i]->port);
+- kfree(vc[i]);
+- }
++ if (vc[i] && i >= MIN_NR_CONSOLES)
++ tty_port_put(&vc[i]->port);
+ }
+ }
+
+@@ -335,22 +352,13 @@ int vt_ioctl(struct tty_struct *tty,
+ {
+ struct vc_data *vc = tty->driver_data;
+ struct console_font_op op; /* used in multiple places here */
+- unsigned int console;
++ unsigned int console = vc->vc_num;
+ unsigned char ucval;
+ unsigned int uival;
+ void __user *up = (void __user *)arg;
+ int i, perm;
+ int ret = 0;
+
+- console = vc->vc_num;
+-
+-
+- if (!vc_cons_allocated(console)) { /* impossible? */
+- ret = -ENOIOCTLCMD;
+- goto out;
+- }
+-
+-
+ /*
+ * To have permissions to do most of the vt ioctls, we either have
+ * to be the owner of the tty, or have CAP_SYS_TTY_CONFIG.
+@@ -641,15 +649,16 @@ int vt_ioctl(struct tty_struct *tty,
+ struct vt_stat __user *vtstat = up;
+ unsigned short state, mask;
+
+- /* Review: FIXME: Console lock ? */
+ if (put_user(fg_console + 1, &vtstat->v_active))
+ ret = -EFAULT;
+ else {
+ state = 1; /* /dev/tty0 is always open */
++ console_lock(); /* required by vt_in_use() */
+ for (i = 0, mask = 2; i < MAX_NR_CONSOLES && mask;
+ ++i, mask <<= 1)
+- if (VT_IS_IN_USE(i))
++ if (vt_in_use(i))
+ state |= mask;
++ console_unlock();
+ ret = put_user(state, &vtstat->v_state);
+ }
+ break;
+@@ -659,10 +668,11 @@ int vt_ioctl(struct tty_struct *tty,
+ * Returns the first available (non-opened) console.
+ */
+ case VT_OPENQRY:
+- /* FIXME: locking ? - but then this is a stupid API */
++ console_lock(); /* required by vt_in_use() */
+ for (i = 0; i < MAX_NR_CONSOLES; ++i)
+- if (! VT_IS_IN_USE(i))
++ if (!vt_in_use(i))
+ break;
++ console_unlock();
+ uival = i < MAX_NR_CONSOLES ? (i+1) : -1;
+ goto setint;
+
+@@ -1011,12 +1021,12 @@ int vt_ioctl(struct tty_struct *tty,
+ case VT_LOCKSWITCH:
+ if (!capable(CAP_SYS_TTY_CONFIG))
+ return -EPERM;
+- vt_dont_switch = 1;
++ vt_dont_switch = true;
+ break;
+ case VT_UNLOCKSWITCH:
+ if (!capable(CAP_SYS_TTY_CONFIG))
+ return -EPERM;
+- vt_dont_switch = 0;
++ vt_dont_switch = false;
+ break;
+ case VT_GETHIFONTMASK:
+ ret = put_user(vc->vc_hi_font_mask,
+@@ -1180,18 +1190,10 @@ long vt_compat_ioctl(struct tty_struct *tty,
+ {
+ struct vc_data *vc = tty->driver_data;
+ struct console_font_op op; /* used in multiple places here */
+- unsigned int console;
+ void __user *up = (void __user *)arg;
+ int perm;
+ int ret = 0;
+
+- console = vc->vc_num;
+-
+- if (!vc_cons_allocated(console)) { /* impossible? */
+- ret = -ENOIOCTLCMD;
+- goto out;
+- }
+-
+ /*
+ * To have permissions to do most of the vt ioctls, we either have
+ * to be the owner of the tty, or have CAP_SYS_TTY_CONFIG.
+@@ -1251,7 +1253,7 @@ long vt_compat_ioctl(struct tty_struct *tty,
+ arg = (unsigned long)compat_ptr(arg);
+ goto fallback;
+ }
+-out:
++
+ return ret;
+
+ fallback:
+diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
+index 0453f0eb1178..5e171e45c685 100644
+--- a/drivers/usb/class/cdc-acm.c
++++ b/drivers/usb/class/cdc-acm.c
+@@ -926,10 +926,10 @@ static int get_serial_info(struct acm *acm, struct serial_struct __user *info)
+ memset(&tmp, 0, sizeof(tmp));
+ tmp.xmit_fifo_size = acm->writesize;
+ tmp.baud_base = le32_to_cpu(acm->line.dwDTERate);
+- tmp.close_delay = acm->port.close_delay / 10;
++ tmp.close_delay = jiffies_to_msecs(acm->port.close_delay) / 10;
+ tmp.closing_wait = acm->port.closing_wait == ASYNC_CLOSING_WAIT_NONE ?
+ ASYNC_CLOSING_WAIT_NONE :
+- acm->port.closing_wait / 10;
++ jiffies_to_msecs(acm->port.closing_wait) / 10;
+
+ if (copy_to_user(info, &tmp, sizeof(tmp)))
+ return -EFAULT;
+@@ -942,20 +942,28 @@ static int set_serial_info(struct acm *acm,
+ {
+ struct serial_struct new_serial;
+ unsigned int closing_wait, close_delay;
++ unsigned int old_closing_wait, old_close_delay;
+ int retval = 0;
+
+ if (copy_from_user(&new_serial, newinfo, sizeof(new_serial)))
+ return -EFAULT;
+
+- close_delay = new_serial.close_delay * 10;
++ close_delay = msecs_to_jiffies(new_serial.close_delay * 10);
+ closing_wait = new_serial.closing_wait == ASYNC_CLOSING_WAIT_NONE ?
+- ASYNC_CLOSING_WAIT_NONE : new_serial.closing_wait * 10;
++ ASYNC_CLOSING_WAIT_NONE :
++ msecs_to_jiffies(new_serial.closing_wait * 10);
++
++ /* we must redo the rounding here, so that the values match */
++ old_close_delay = jiffies_to_msecs(acm->port.close_delay) / 10;
++ old_closing_wait = acm->port.closing_wait == ASYNC_CLOSING_WAIT_NONE ?
++ ASYNC_CLOSING_WAIT_NONE :
++ jiffies_to_msecs(acm->port.closing_wait) / 10;
+
+ mutex_lock(&acm->port.mutex);
+
+ if (!capable(CAP_SYS_ADMIN)) {
+- if ((close_delay != acm->port.close_delay) ||
+- (closing_wait != acm->port.closing_wait))
++ if ((new_serial.close_delay != old_close_delay) ||
++ (new_serial.closing_wait != old_closing_wait))
+ retval = -EPERM;
+ else
+ retval = -EOPNOTSUPP;
+diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
+index 64c03e871f2d..6c4bb47922ac 100644
+--- a/drivers/usb/core/quirks.c
++++ b/drivers/usb/core/quirks.c
+@@ -229,6 +229,12 @@ static const struct usb_device_id usb_quirk_list[] = {
+ { USB_DEVICE(0x0b05, 0x17e0), .driver_info =
+ USB_QUIRK_IGNORE_REMOTE_WAKEUP },
+
++ /* Realtek hub in Dell WD19 (Type-C) */
++ { USB_DEVICE(0x0bda, 0x0487), .driver_info = USB_QUIRK_NO_LPM },
++
++ /* Generic RTL8153 based ethernet adapters */
++ { USB_DEVICE(0x0bda, 0x8153), .driver_info = USB_QUIRK_NO_LPM },
++
+ /* Action Semiconductor flash disk */
+ { USB_DEVICE(0x10d6, 0x2200), .driver_info =
+ USB_QUIRK_STRING_FETCH_255 },
+diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
+index 908496ed3254..c01a0d1e8b5c 100644
+--- a/drivers/usb/host/xhci-pci.c
++++ b/drivers/usb/host/xhci-pci.c
+@@ -140,7 +140,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
+ xhci->quirks |= XHCI_AMD_PLL_FIX;
+
+ if (pdev->vendor == PCI_VENDOR_ID_AMD &&
+- (pdev->device == 0x15e0 ||
++ (pdev->device == 0x145c ||
++ pdev->device == 0x15e0 ||
+ pdev->device == 0x15e1 ||
+ pdev->device == 0x43bb))
+ xhci->quirks |= XHCI_SUSPEND_DELAY;
+diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
+index 108a212294bf..a7feb6338d97 100644
+--- a/drivers/usb/host/xhci-plat.c
++++ b/drivers/usb/host/xhci-plat.c
+@@ -416,6 +416,7 @@ MODULE_DEVICE_TABLE(acpi, usb_xhci_acpi_match);
+ static struct platform_driver usb_xhci_driver = {
+ .probe = xhci_plat_probe,
+ .remove = xhci_plat_remove,
++ .shutdown = usb_hcd_platform_shutdown,
+ .driver = {
+ .name = "xhci-hcd",
+ .pm = &xhci_plat_pm_ops,
+diff --git a/drivers/usb/host/xhci-trace.h b/drivers/usb/host/xhci-trace.h
+index 02a1164ca599..a350c46d01e8 100644
+--- a/drivers/usb/host/xhci-trace.h
++++ b/drivers/usb/host/xhci-trace.h
+@@ -276,23 +276,12 @@ DECLARE_EVENT_CLASS(xhci_log_urb,
+ ),
+ TP_printk("ep%d%s-%s: urb %p pipe %u slot %d length %d/%d sgs %d/%d stream %d flags %08x",
+ __entry->epnum, __entry->dir_in ? "in" : "out",
+- ({ char *s;
+- switch (__entry->type) {
+- case USB_ENDPOINT_XFER_INT:
+- s = "intr";
+- break;
+- case USB_ENDPOINT_XFER_CONTROL:
+- s = "control";
+- break;
+- case USB_ENDPOINT_XFER_BULK:
+- s = "bulk";
+- break;
+- case USB_ENDPOINT_XFER_ISOC:
+- s = "isoc";
+- break;
+- default:
+- s = "UNKNOWN";
+- } s; }), __entry->urb, __entry->pipe, __entry->slot_id,
++ __print_symbolic(__entry->type,
++ { USB_ENDPOINT_XFER_INT, "intr" },
++ { USB_ENDPOINT_XFER_CONTROL, "control" },
++ { USB_ENDPOINT_XFER_BULK, "bulk" },
++ { USB_ENDPOINT_XFER_ISOC, "isoc" }),
++ __entry->urb, __entry->pipe, __entry->slot_id,
+ __entry->actual, __entry->length, __entry->num_mapped_sgs,
+ __entry->num_sgs, __entry->stream, __entry->flags
+ )
+diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
+index 802388bb42ba..3ec0752e67ac 100644
+--- a/drivers/usb/musb/musb_host.c
++++ b/drivers/usb/musb/musb_host.c
+@@ -1494,10 +1494,7 @@ done:
+ * We need to map sg if the transfer_buffer is
+ * NULL.
+ */
+- if (!urb->transfer_buffer)
+- qh->use_sg = true;
+-
+- if (qh->use_sg) {
++ if (!urb->transfer_buffer) {
+ /* sg_miter_start is already done in musb_ep_program */
+ if (!sg_miter_next(&qh->sg_miter)) {
+ dev_err(musb->controller, "error: sg list empty\n");
+@@ -1505,9 +1502,8 @@ done:
+ status = -EINVAL;
+ goto done;
+ }
+- urb->transfer_buffer = qh->sg_miter.addr;
+ length = min_t(u32, length, qh->sg_miter.length);
+- musb_write_fifo(hw_ep, length, urb->transfer_buffer);
++ musb_write_fifo(hw_ep, length, qh->sg_miter.addr);
+ qh->sg_miter.consumed = length;
+ sg_miter_stop(&qh->sg_miter);
+ } else {
+@@ -1516,11 +1512,6 @@ done:
+
+ qh->segsize = length;
+
+- if (qh->use_sg) {
+- if (offset + length >= urb->transfer_buffer_length)
+- qh->use_sg = false;
+- }
+-
+ musb_ep_select(mbase, epnum);
+ musb_writew(epio, MUSB_TXCSR,
+ MUSB_TXCSR_H_WZC_BITS | MUSB_TXCSR_TXPKTRDY);
+@@ -2038,8 +2029,10 @@ finish:
+ urb->actual_length += xfer_len;
+ qh->offset += xfer_len;
+ if (done) {
+- if (qh->use_sg)
++ if (qh->use_sg) {
+ qh->use_sg = false;
++ urb->transfer_buffer = NULL;
++ }
+
+ if (urb->status == -EINPROGRESS)
+ urb->status = status;
+diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
+index 3705b64ab948..45d5e5c899e1 100644
+--- a/drivers/usb/serial/io_edgeport.c
++++ b/drivers/usb/serial/io_edgeport.c
+@@ -714,7 +714,7 @@ static void edge_interrupt_callback(struct urb *urb)
+ /* grab the txcredits for the ports if available */
+ position = 2;
+ portNumber = 0;
+- while ((position < length) &&
++ while ((position < length - 1) &&
+ (portNumber < edge_serial->serial->num_ports)) {
+ txCredits = data[position] | (data[position+1] << 8);
+ if (txCredits) {
+diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
+index eff353de47cd..3621bde2a0ed 100644
+--- a/drivers/usb/serial/option.c
++++ b/drivers/usb/serial/option.c
+@@ -1186,6 +1186,8 @@ static const struct usb_device_id option_ids[] = {
+ .driver_info = NCTRL(0) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x110a, 0xff), /* Telit ME910G1 */
+ .driver_info = NCTRL(0) | RSVD(3) },
++ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x110b, 0xff), /* Telit ME910G1 (ECM) */
++ .driver_info = NCTRL(0) },
+ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910),
+ .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
+ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910_USBCFG4),
+@@ -1992,8 +1994,14 @@ static const struct usb_device_id option_ids[] = {
+ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x7e11, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/A3 */
++ { USB_DEVICE_INTERFACE_CLASS(0x1435, 0xd191, 0xff), /* Wistron Neweb D19Q1 */
++ .driver_info = RSVD(1) | RSVD(4) },
++ { USB_DEVICE_INTERFACE_CLASS(0x1690, 0x7588, 0xff), /* ASKEY WWHC050 */
++ .driver_info = RSVD(1) | RSVD(4) },
+ { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x2031, 0xff), /* Olicard 600 */
+ .driver_info = RSVD(4) },
++ { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x2033, 0xff), /* BroadMobi BM806U */
++ .driver_info = RSVD(4) },
+ { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x2060, 0xff), /* BroadMobi BM818 */
+ .driver_info = RSVD(4) },
+ { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */
+diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
+index 1c4d3dbd4635..5051b1dad09e 100644
+--- a/drivers/usb/serial/pl2303.c
++++ b/drivers/usb/serial/pl2303.c
+@@ -96,6 +96,7 @@ static const struct usb_device_id id_table[] = {
+ { USB_DEVICE(SUPERIAL_VENDOR_ID, SUPERIAL_PRODUCT_ID) },
+ { USB_DEVICE(HP_VENDOR_ID, HP_LD220_PRODUCT_ID) },
+ { USB_DEVICE(HP_VENDOR_ID, HP_LD220TA_PRODUCT_ID) },
++ { USB_DEVICE(HP_VENDOR_ID, HP_LD381_PRODUCT_ID) },
+ { USB_DEVICE(HP_VENDOR_ID, HP_LD960_PRODUCT_ID) },
+ { USB_DEVICE(HP_VENDOR_ID, HP_LD960TA_PRODUCT_ID) },
+ { USB_DEVICE(HP_VENDOR_ID, HP_LCM220_PRODUCT_ID) },
+diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
+index fcc2cfc1da28..f0a9eeb6272d 100644
+--- a/drivers/usb/serial/pl2303.h
++++ b/drivers/usb/serial/pl2303.h
+@@ -129,6 +129,7 @@
+ #define HP_LM920_PRODUCT_ID 0x026b
+ #define HP_TD620_PRODUCT_ID 0x0956
+ #define HP_LD960_PRODUCT_ID 0x0b39
++#define HP_LD381_PRODUCT_ID 0x0f7f
+ #define HP_LCM220_PRODUCT_ID 0x3139
+ #define HP_LCM960_PRODUCT_ID 0x3239
+ #define HP_LD220_PRODUCT_ID 0x3524
+diff --git a/drivers/xen/xenbus/xenbus_comms.c b/drivers/xen/xenbus/xenbus_comms.c
+index d239fc3c5e3d..eb5151fc8efa 100644
+--- a/drivers/xen/xenbus/xenbus_comms.c
++++ b/drivers/xen/xenbus/xenbus_comms.c
+@@ -313,6 +313,8 @@ static int process_msg(void)
+ req->msg.type = state.msg.type;
+ req->msg.len = state.msg.len;
+ req->body = state.body;
++ /* write body, then update state */
++ virt_wmb();
+ req->state = xb_req_state_got_reply;
+ req->cb(req);
+ } else
+@@ -395,6 +397,8 @@ static int process_writes(void)
+ if (state.req->state == xb_req_state_aborted)
+ kfree(state.req);
+ else {
++ /* write err, then update state */
++ virt_wmb();
+ state.req->state = xb_req_state_got_reply;
+ wake_up(&state.req->wq);
+ }
+diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c
+index 3f3b29398ab8..b609c6e08796 100644
+--- a/drivers/xen/xenbus/xenbus_xs.c
++++ b/drivers/xen/xenbus/xenbus_xs.c
+@@ -188,8 +188,11 @@ static bool xenbus_ok(void)
+
+ static bool test_reply(struct xb_req_data *req)
+ {
+- if (req->state == xb_req_state_got_reply || !xenbus_ok())
++ if (req->state == xb_req_state_got_reply || !xenbus_ok()) {
++ /* read req->state before all other fields */
++ virt_rmb();
+ return true;
++ }
+
+ /* Make sure to reread req->state each time. */
+ barrier();
+@@ -199,7 +202,7 @@ static bool test_reply(struct xb_req_data *req)
+
+ static void *read_reply(struct xb_req_data *req)
+ {
+- while (req->state != xb_req_state_got_reply) {
++ do {
+ wait_event(req->wq, test_reply(req));
+
+ if (!xenbus_ok())
+@@ -213,7 +216,7 @@ static void *read_reply(struct xb_req_data *req)
+ if (req->err)
+ return ERR_PTR(req->err);
+
+- }
++ } while (req->state != xb_req_state_got_reply);
+
+ return req->body;
+ }
+diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c
+index ccc9c708a860..7dc9c78a1c31 100644
+--- a/fs/afs/rxrpc.c
++++ b/fs/afs/rxrpc.c
+@@ -173,7 +173,7 @@ void afs_put_call(struct afs_call *call)
+ int n = atomic_dec_return(&call->usage);
+ int o = atomic_read(&afs_outstanding_calls);
+
+- trace_afs_call(call, afs_call_trace_put, n + 1, o,
++ trace_afs_call(call, afs_call_trace_put, n, o,
+ __builtin_return_address(0));
+
+ ASSERTCMP(n, >=, 0);
+@@ -619,7 +619,7 @@ static void afs_wake_up_async_call(struct sock *sk, struct rxrpc_call *rxcall,
+
+ u = __atomic_add_unless(&call->usage, 1, 0);
+ if (u != 0) {
+- trace_afs_call(call, afs_call_trace_wake, u,
++ trace_afs_call(call, afs_call_trace_wake, u + 1,
+ atomic_read(&afs_outstanding_calls),
+ __builtin_return_address(0));
+
+diff --git a/fs/inode.c b/fs/inode.c
+index d2a700c5efce..17172b616d22 100644
+--- a/fs/inode.c
++++ b/fs/inode.c
+@@ -135,6 +135,7 @@ int inode_init_always(struct super_block *sb, struct inode *inode)
+ inode->i_sb = sb;
+ inode->i_blkbits = sb->s_blocksize_bits;
+ inode->i_flags = 0;
++ atomic64_set(&inode->i_sequence, 0);
+ atomic_set(&inode->i_count, 1);
+ inode->i_op = &empty_iops;
+ inode->i_fop = &no_open_fops;
+diff --git a/fs/libfs.c b/fs/libfs.c
+index 49623301e5f0..cb9310b091f5 100644
+--- a/fs/libfs.c
++++ b/fs/libfs.c
+@@ -802,7 +802,7 @@ int simple_attr_open(struct inode *inode, struct file *file,
+ {
+ struct simple_attr *attr;
+
+- attr = kmalloc(sizeof(*attr), GFP_KERNEL);
++ attr = kzalloc(sizeof(*attr), GFP_KERNEL);
+ if (!attr)
+ return -ENOMEM;
+
+@@ -842,9 +842,11 @@ ssize_t simple_attr_read(struct file *file, char __user *buf,
+ if (ret)
+ return ret;
+
+- if (*ppos) { /* continued read */
++ if (*ppos && attr->get_buf[0]) {
++ /* continued read */
+ size = strlen(attr->get_buf);
+- } else { /* first read */
++ } else {
++ /* first read */
+ u64 val;
+ ret = attr->get(attr->data, &val);
+ if (ret)
+diff --git a/include/linux/fs.h b/include/linux/fs.h
+index f0fddf4ea828..a94642fcf93b 100644
+--- a/include/linux/fs.h
++++ b/include/linux/fs.h
+@@ -645,6 +645,7 @@ struct inode {
+ struct rcu_head i_rcu;
+ };
+ u64 i_version;
++ atomic64_t i_sequence; /* see futex */
+ atomic_t i_count;
+ atomic_t i_dio_count;
+ atomic_t i_writecount;
+diff --git a/include/linux/futex.h b/include/linux/futex.h
+index a4b6cba699bf..6adb1ccac603 100644
+--- a/include/linux/futex.h
++++ b/include/linux/futex.h
+@@ -34,23 +34,26 @@ long do_futex(u32 __user *uaddr, int op, u32 val, ktime_t *timeout,
+
+ union futex_key {
+ struct {
++ u64 i_seq;
+ unsigned long pgoff;
+- struct inode *inode;
+- int offset;
++ unsigned int offset;
+ } shared;
+ struct {
++ union {
++ struct mm_struct *mm;
++ u64 __tmp;
++ };
+ unsigned long address;
+- struct mm_struct *mm;
+- int offset;
++ unsigned int offset;
+ } private;
+ struct {
++ u64 ptr;
+ unsigned long word;
+- void *ptr;
+- int offset;
++ unsigned int offset;
+ } both;
+ };
+
+-#define FUTEX_KEY_INIT (union futex_key) { .both = { .ptr = NULL } }
++#define FUTEX_KEY_INIT (union futex_key) { .both = { .ptr = 0ULL } }
+
+ #ifdef CONFIG_FUTEX
+ enum {
+diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
+index 5f966c94732b..7cbd8195ffb3 100644
+--- a/include/linux/page-flags.h
++++ b/include/linux/page-flags.h
+@@ -264,7 +264,7 @@ static inline int TestClearPage##uname(struct page *page) { return 0; }
+
+ __PAGEFLAG(Locked, locked, PF_NO_TAIL)
+ PAGEFLAG(Waiters, waiters, PF_ONLY_HEAD) __CLEARPAGEFLAG(Waiters, waiters, PF_ONLY_HEAD)
+-PAGEFLAG(Error, error, PF_NO_COMPOUND) TESTCLEARFLAG(Error, error, PF_NO_COMPOUND)
++PAGEFLAG(Error, error, PF_NO_TAIL) TESTCLEARFLAG(Error, error, PF_NO_TAIL)
+ PAGEFLAG(Referenced, referenced, PF_HEAD)
+ TESTCLEARFLAG(Referenced, referenced, PF_HEAD)
+ __SETPAGEFLAG(Referenced, referenced, PF_HEAD)
+diff --git a/include/linux/selection.h b/include/linux/selection.h
+index 5b278ce99d8d..35937a61da06 100644
+--- a/include/linux/selection.h
++++ b/include/linux/selection.h
+@@ -13,8 +13,8 @@
+
+ struct tty_struct;
+
+-extern struct vc_data *sel_cons;
+ struct tty_struct;
++struct vc_data;
+
+ extern void clear_selection(void);
+ extern int set_selection(const struct tiocl_selection __user *sel, struct tty_struct *tty);
+@@ -23,6 +23,8 @@ extern int sel_loadlut(char __user *p);
+ extern int mouse_reporting(void);
+ extern void mouse_report(struct tty_struct * tty, int butt, int mrx, int mry);
+
++bool vc_is_sel(struct vc_data *vc);
++
+ extern int console_blanked;
+
+ extern const unsigned char color_table[];
+diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
+index 1e5d8c392f15..29ef33498cb6 100644
+--- a/include/linux/vmalloc.h
++++ b/include/linux/vmalloc.h
+@@ -106,8 +106,9 @@ extern int remap_vmalloc_range_partial(struct vm_area_struct *vma,
+
+ extern int remap_vmalloc_range(struct vm_area_struct *vma, void *addr,
+ unsigned long pgoff);
+-void vmalloc_sync_all(void);
+-
++void vmalloc_sync_mappings(void);
++void vmalloc_sync_unmappings(void);
++
+ /*
+ * Lowlevel-APIs (not for driver use!)
+ */
+diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h
+index 3fd07912909c..a3de234d3350 100644
+--- a/include/linux/vt_kern.h
++++ b/include/linux/vt_kern.h
+@@ -142,7 +142,7 @@ static inline bool vt_force_oops_output(struct vc_data *vc)
+ return false;
+ }
+
+-extern char vt_dont_switch;
++extern bool vt_dont_switch;
+ extern int default_utf8;
+ extern int global_cursor_default;
+
+diff --git a/include/trace/events/afs.h b/include/trace/events/afs.h
+index 8b95c16b7045..0978bdae2243 100644
+--- a/include/trace/events/afs.h
++++ b/include/trace/events/afs.h
+@@ -40,7 +40,7 @@ enum afs_call_trace {
+ EM(afs_call_trace_free, "FREE ") \
+ EM(afs_call_trace_put, "PUT ") \
+ EM(afs_call_trace_wake, "WAKE ") \
+- E_(afs_call_trace_work, "WORK ")
++ E_(afs_call_trace_work, "QUEUE")
+
+ /*
+ * Export enum symbols via userspace.
+diff --git a/include/uapi/linux/serio.h b/include/uapi/linux/serio.h
+index a0cac1d8670d..1937915be413 100644
+--- a/include/uapi/linux/serio.h
++++ b/include/uapi/linux/serio.h
+@@ -9,7 +9,7 @@
+ #ifndef _UAPI_SERIO_H
+ #define _UAPI_SERIO_H
+
+-
++#include <linux/const.h>
+ #include <linux/ioctl.h>
+
+ #define SPIOCSTYPE _IOW('q', 0x01, unsigned long)
+@@ -18,10 +18,10 @@
+ /*
+ * bit masks for use in "interrupt" flags (3rd argument)
+ */
+-#define SERIO_TIMEOUT BIT(0)
+-#define SERIO_PARITY BIT(1)
+-#define SERIO_FRAME BIT(2)
+-#define SERIO_OOB_DATA BIT(3)
++#define SERIO_TIMEOUT _BITUL(0)
++#define SERIO_PARITY _BITUL(1)
++#define SERIO_FRAME _BITUL(2)
++#define SERIO_OOB_DATA _BITUL(3)
+
+ /*
+ * Serio types
+diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
+index f5c1d5479ba3..21073682061d 100644
+--- a/kernel/bpf/syscall.c
++++ b/kernel/bpf/syscall.c
+@@ -1364,7 +1364,7 @@ static int bpf_prog_get_info_by_fd(struct bpf_prog *prog,
+ union bpf_attr __user *uattr)
+ {
+ struct bpf_prog_info __user *uinfo = u64_to_user_ptr(attr->info.info);
+- struct bpf_prog_info info = {};
++ struct bpf_prog_info info;
+ u32 info_len = attr->info.info_len;
+ char __user *uinsns;
+ u32 ulen;
+@@ -1375,6 +1375,7 @@ static int bpf_prog_get_info_by_fd(struct bpf_prog *prog,
+ return err;
+ info_len = min_t(u32, sizeof(info), info_len);
+
++ memset(&info, 0, sizeof(info));
+ if (copy_from_user(&info, uinfo, info_len))
+ return -EFAULT;
+
+@@ -1420,7 +1421,7 @@ static int bpf_map_get_info_by_fd(struct bpf_map *map,
+ union bpf_attr __user *uattr)
+ {
+ struct bpf_map_info __user *uinfo = u64_to_user_ptr(attr->info.info);
+- struct bpf_map_info info = {};
++ struct bpf_map_info info;
+ u32 info_len = attr->info.info_len;
+ int err;
+
+@@ -1429,6 +1430,7 @@ static int bpf_map_get_info_by_fd(struct bpf_map *map,
+ return err;
+ info_len = min_t(u32, sizeof(info), info_len);
+
++ memset(&info, 0, sizeof(info));
+ info.type = map->map_type;
+ info.id = map->id;
+ info.key_size = map->key_size;
+@@ -1474,7 +1476,7 @@ static int bpf_obj_get_info_by_fd(const union bpf_attr *attr,
+
+ SYSCALL_DEFINE3(bpf, int, cmd, union bpf_attr __user *, uattr, unsigned int, size)
+ {
+- union bpf_attr attr = {};
++ union bpf_attr attr;
+ int err;
+
+ if (sysctl_unprivileged_bpf_disabled && !capable(CAP_SYS_ADMIN))
+@@ -1486,6 +1488,7 @@ SYSCALL_DEFINE3(bpf, int, cmd, union bpf_attr __user *, uattr, unsigned int, siz
+ size = min_t(u32, size, sizeof(attr));
+
+ /* copy attributes from user space, may be less than sizeof(bpf_attr) */
++ memset(&attr, 0, sizeof(attr));
+ if (copy_from_user(&attr, uattr, size) != 0)
+ return -EFAULT;
+
+diff --git a/kernel/cgroup/cgroup-v1.c b/kernel/cgroup/cgroup-v1.c
+index a2c05d2476ac..545f29c5268d 100644
+--- a/kernel/cgroup/cgroup-v1.c
++++ b/kernel/cgroup/cgroup-v1.c
+@@ -501,6 +501,7 @@ static void *cgroup_pidlist_next(struct seq_file *s, void *v, loff_t *pos)
+ */
+ p++;
+ if (p >= end) {
++ (*pos)++;
+ return NULL;
+ } else {
+ *pos = *p;
+@@ -823,7 +824,7 @@ void cgroup1_release_agent(struct work_struct *work)
+
+ pathbuf = kmalloc(PATH_MAX, GFP_KERNEL);
+ agentbuf = kstrdup(cgrp->root->release_agent_path, GFP_KERNEL);
+- if (!pathbuf || !agentbuf)
++ if (!pathbuf || !agentbuf || !strlen(agentbuf))
+ goto out;
+
+ spin_lock_irq(&css_set_lock);
+diff --git a/kernel/futex.c b/kernel/futex.c
+index f5aae14c247b..2921ebaa1467 100644
+--- a/kernel/futex.c
++++ b/kernel/futex.c
+@@ -401,9 +401,9 @@ static inline int hb_waiters_pending(struct futex_hash_bucket *hb)
+ */
+ static struct futex_hash_bucket *hash_futex(union futex_key *key)
+ {
+- u32 hash = jhash2((u32*)&key->both.word,
+- (sizeof(key->both.word)+sizeof(key->both.ptr))/4,
++ u32 hash = jhash2((u32 *)key, offsetof(typeof(*key), both.offset) / 4,
+ key->both.offset);
++
+ return &futex_queues[hash & (futex_hashsize - 1)];
+ }
+
+@@ -445,7 +445,7 @@ static void get_futex_key_refs(union futex_key *key)
+
+ switch (key->both.offset & (FUT_OFF_INODE|FUT_OFF_MMSHARED)) {
+ case FUT_OFF_INODE:
+- ihold(key->shared.inode); /* implies smp_mb(); (B) */
++ smp_mb(); /* explicit smp_mb(); (B) */
+ break;
+ case FUT_OFF_MMSHARED:
+ futex_get_mm(key); /* implies smp_mb(); (B) */
+@@ -479,7 +479,6 @@ static void drop_futex_key_refs(union futex_key *key)
+
+ switch (key->both.offset & (FUT_OFF_INODE|FUT_OFF_MMSHARED)) {
+ case FUT_OFF_INODE:
+- iput(key->shared.inode);
+ break;
+ case FUT_OFF_MMSHARED:
+ mmdrop(key->private.mm);
+@@ -487,6 +486,46 @@ static void drop_futex_key_refs(union futex_key *key)
+ }
+ }
+
++/*
++ * Generate a machine wide unique identifier for this inode.
++ *
++ * This relies on u64 not wrapping in the life-time of the machine; which with
++ * 1ns resolution means almost 585 years.
++ *
++ * This further relies on the fact that a well formed program will not unmap
++ * the file while it has a (shared) futex waiting on it. This mapping will have
++ * a file reference which pins the mount and inode.
++ *
++ * If for some reason an inode gets evicted and read back in again, it will get
++ * a new sequence number and will _NOT_ match, even though it is the exact same
++ * file.
++ *
++ * It is important that match_futex() will never have a false-positive, esp.
++ * for PI futexes that can mess up the state. The above argues that false-negatives
++ * are only possible for malformed programs.
++ */
++static u64 get_inode_sequence_number(struct inode *inode)
++{
++ static atomic64_t i_seq;
++ u64 old;
++
++ /* Does the inode already have a sequence number? */
++ old = atomic64_read(&inode->i_sequence);
++ if (likely(old))
++ return old;
++
++ for (;;) {
++ u64 new = atomic64_add_return(1, &i_seq);
++ if (WARN_ON_ONCE(!new))
++ continue;
++
++ old = atomic64_cmpxchg_relaxed(&inode->i_sequence, 0, new);
++ if (old)
++ return old;
++ return new;
++ }
++}
++
+ /**
+ * get_futex_key() - Get parameters which are the keys for a futex
+ * @uaddr: virtual address of the futex
+@@ -499,9 +538,15 @@ static void drop_futex_key_refs(union futex_key *key)
+ *
+ * The key words are stored in @key on success.
+ *
+- * For shared mappings, it's (page->index, file_inode(vma->vm_file),
+- * offset_within_page). For private mappings, it's (uaddr, current->mm).
+- * We can usually work out the index without swapping in the page.
++ * For shared mappings (when @fshared), the key is:
++ * ( inode->i_sequence, page->index, offset_within_page )
++ * [ also see get_inode_sequence_number() ]
++ *
++ * For private mappings (or when !@fshared), the key is:
++ * ( current->mm, address, 0 )
++ *
++ * This allows (cross process, where applicable) identification of the futex
++ * without keeping the page pinned for the duration of the FUTEX_WAIT.
+ *
+ * lock_page() might sleep, the caller should not hold a spinlock.
+ */
+@@ -641,8 +686,6 @@ again:
+ key->private.mm = mm;
+ key->private.address = address;
+
+- get_futex_key_refs(key); /* implies smp_mb(); (B) */
+-
+ } else {
+ struct inode *inode;
+
+@@ -674,40 +717,14 @@ again:
+ goto again;
+ }
+
+- /*
+- * Take a reference unless it is about to be freed. Previously
+- * this reference was taken by ihold under the page lock
+- * pinning the inode in place so i_lock was unnecessary. The
+- * only way for this check to fail is if the inode was
+- * truncated in parallel which is almost certainly an
+- * application bug. In such a case, just retry.
+- *
+- * We are not calling into get_futex_key_refs() in file-backed
+- * cases, therefore a successful atomic_inc return below will
+- * guarantee that get_futex_key() will still imply smp_mb(); (B).
+- */
+- if (!atomic_inc_not_zero(&inode->i_count)) {
+- rcu_read_unlock();
+- put_page(page);
+-
+- goto again;
+- }
+-
+- /* Should be impossible but lets be paranoid for now */
+- if (WARN_ON_ONCE(inode->i_mapping != mapping)) {
+- err = -EFAULT;
+- rcu_read_unlock();
+- iput(inode);
+-
+- goto out;
+- }
+-
+ key->both.offset |= FUT_OFF_INODE; /* inode-based key */
+- key->shared.inode = inode;
++ key->shared.i_seq = get_inode_sequence_number(inode);
+ key->shared.pgoff = basepage_index(tail);
+ rcu_read_unlock();
+ }
+
++ get_futex_key_refs(key); /* implies smp_mb(); (B) */
++
+ out:
+ put_page(page);
+ return err;
+diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
+index 037e8fc1b008..5277949e82e0 100644
+--- a/kernel/irq/manage.c
++++ b/kernel/irq/manage.c
+@@ -224,7 +224,11 @@ int irq_set_affinity_locked(struct irq_data *data, const struct cpumask *mask,
+
+ if (desc->affinity_notify) {
+ kref_get(&desc->affinity_notify->kref);
+- schedule_work(&desc->affinity_notify->work);
++ if (!schedule_work(&desc->affinity_notify->work)) {
++ /* Work was already scheduled, drop our extra ref */
++ kref_put(&desc->affinity_notify->kref,
++ desc->affinity_notify->release);
++ }
+ }
+ irqd_set(data, IRQD_AFFINITY_SET);
+
+@@ -324,7 +328,10 @@ irq_set_affinity_notifier(unsigned int irq, struct irq_affinity_notify *notify)
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
+
+ if (old_notify) {
+- cancel_work_sync(&old_notify->work);
++ if (cancel_work_sync(&old_notify->work)) {
++ /* Pending work had a ref, put that one too */
++ kref_put(&old_notify->kref, old_notify->release);
++ }
+ kref_put(&old_notify->kref, old_notify->release);
+ }
+
+diff --git a/kernel/notifier.c b/kernel/notifier.c
+index 6196af8a8223..59a1e9b48a6a 100644
+--- a/kernel/notifier.c
++++ b/kernel/notifier.c
+@@ -552,7 +552,7 @@ NOKPROBE_SYMBOL(notify_die);
+
+ int register_die_notifier(struct notifier_block *nb)
+ {
+- vmalloc_sync_all();
++ vmalloc_sync_mappings();
+ return atomic_notifier_chain_register(&die_chain, nb);
+ }
+ EXPORT_SYMBOL_GPL(register_die_notifier);
+diff --git a/mm/memcontrol.c b/mm/memcontrol.c
+index 5d6ebd1449f0..d8df500e0eea 100644
+--- a/mm/memcontrol.c
++++ b/mm/memcontrol.c
+@@ -3518,7 +3518,7 @@ static void __mem_cgroup_usage_unregister_event(struct mem_cgroup *memcg,
+ struct mem_cgroup_thresholds *thresholds;
+ struct mem_cgroup_threshold_ary *new;
+ unsigned long usage;
+- int i, j, size;
++ int i, j, size, entries;
+
+ mutex_lock(&memcg->thresholds_lock);
+
+@@ -3538,14 +3538,20 @@ static void __mem_cgroup_usage_unregister_event(struct mem_cgroup *memcg,
+ __mem_cgroup_threshold(memcg, type == _MEMSWAP);
+
+ /* Calculate new number of threshold */
+- size = 0;
++ size = entries = 0;
+ for (i = 0; i < thresholds->primary->size; i++) {
+ if (thresholds->primary->entries[i].eventfd != eventfd)
+ size++;
++ else
++ entries++;
+ }
+
+ new = thresholds->spare;
+
++ /* If no items related to eventfd have been cleared, nothing to do */
++ if (!entries)
++ goto unlock;
++
+ /* Set thresholds array to NULL if we don't have thresholds */
+ if (!size) {
+ kfree(new);
+diff --git a/mm/nommu.c b/mm/nommu.c
+index 17c00d93de2e..13fc62d97544 100644
+--- a/mm/nommu.c
++++ b/mm/nommu.c
+@@ -450,10 +450,14 @@ void vm_unmap_aliases(void)
+ EXPORT_SYMBOL_GPL(vm_unmap_aliases);
+
+ /*
+- * Implement a stub for vmalloc_sync_all() if the architecture chose not to
+- * have one.
++ * Implement a stub for vmalloc_sync_[un]mapping() if the architecture
++ * chose not to have one.
+ */
+-void __weak vmalloc_sync_all(void)
++void __weak vmalloc_sync_mappings(void)
++{
++}
++
++void __weak vmalloc_sync_unmappings(void)
+ {
+ }
+
+diff --git a/mm/slub.c b/mm/slub.c
+index 099c7a85ede0..958a8f7a3c25 100644
+--- a/mm/slub.c
++++ b/mm/slub.c
+@@ -1923,8 +1923,6 @@ static void *get_partial(struct kmem_cache *s, gfp_t flags, int node,
+
+ if (node == NUMA_NO_NODE)
+ searchnode = numa_mem_id();
+- else if (!node_present_pages(node))
+- searchnode = node_to_mem_node(node);
+
+ object = get_partial_node(s, get_node(s, searchnode), c, flags);
+ if (object || node != NUMA_NO_NODE)
+@@ -2521,17 +2519,27 @@ static void *___slab_alloc(struct kmem_cache *s, gfp_t gfpflags, int node,
+ struct page *page;
+
+ page = c->page;
+- if (!page)
++ if (!page) {
++ /*
++ * if the node is not online or has no normal memory, just
++ * ignore the node constraint
++ */
++ if (unlikely(node != NUMA_NO_NODE &&
++ !node_state(node, N_NORMAL_MEMORY)))
++ node = NUMA_NO_NODE;
+ goto new_slab;
++ }
+ redo:
+
+ if (unlikely(!node_match(page, node))) {
+- int searchnode = node;
+-
+- if (node != NUMA_NO_NODE && !node_present_pages(node))
+- searchnode = node_to_mem_node(node);
+-
+- if (unlikely(!node_match(page, searchnode))) {
++ /*
++ * same as above but node_match() being false already
++ * implies node != NUMA_NO_NODE
++ */
++ if (!node_state(node, N_NORMAL_MEMORY)) {
++ node = NUMA_NO_NODE;
++ goto redo;
++ } else {
+ stat(s, ALLOC_NODE_MISMATCH);
+ deactivate_slab(s, page, c->freelist, c);
+ goto new_slab;
+@@ -2943,11 +2951,13 @@ redo:
+ barrier();
+
+ if (likely(page == c->page)) {
+- set_freepointer(s, tail_obj, c->freelist);
++ void **freelist = READ_ONCE(c->freelist);
++
++ set_freepointer(s, tail_obj, freelist);
+
+ if (unlikely(!this_cpu_cmpxchg_double(
+ s->cpu_slab->freelist, s->cpu_slab->tid,
+- c->freelist, tid,
++ freelist, tid,
+ head, next_tid(tid)))) {
+
+ note_cmpxchg_failure("slab_free", s, tid);
+diff --git a/mm/vmalloc.c b/mm/vmalloc.c
+index 0b8852d80f44..d00961ba0c42 100644
+--- a/mm/vmalloc.c
++++ b/mm/vmalloc.c
+@@ -1769,7 +1769,7 @@ void *__vmalloc_node_range(unsigned long size, unsigned long align,
+ * First make sure the mappings are removed from all page-tables
+ * before they are freed.
+ */
+- vmalloc_sync_all();
++ vmalloc_sync_unmappings();
+
+ /*
+ * In this function, newly allocated vm_struct has VM_UNINITIALIZED
+@@ -2318,16 +2318,19 @@ int remap_vmalloc_range(struct vm_area_struct *vma, void *addr,
+ EXPORT_SYMBOL(remap_vmalloc_range);
+
+ /*
+- * Implement a stub for vmalloc_sync_all() if the architecture chose not to
+- * have one.
++ * Implement stubs for vmalloc_sync_[un]mappings () if the architecture chose
++ * not to have one.
+ *
+ * The purpose of this function is to make sure the vmalloc area
+ * mappings are identical in all page-tables in the system.
+ */
+-void __weak vmalloc_sync_all(void)
++void __weak vmalloc_sync_mappings(void)
+ {
+ }
+
++void __weak vmalloc_sync_unmappings(void)
++{
++}
+
+ static int f(pte_t *pte, pgtable_t table, unsigned long addr, void *data)
+ {
+diff --git a/net/dsa/tag_brcm.c b/net/dsa/tag_brcm.c
+index de92fc1fc3be..b3b918afd212 100644
+--- a/net/dsa/tag_brcm.c
++++ b/net/dsa/tag_brcm.c
+@@ -134,6 +134,8 @@ static struct sk_buff *brcm_tag_rcv(struct sk_buff *skb, struct net_device *dev,
+
+ skb->dev = ds->ports[source_port].netdev;
+
++ skb->offload_fwd_mark = 1;
++
+ return skb;
+ }
+
+diff --git a/net/hsr/hsr_framereg.c b/net/hsr/hsr_framereg.c
+index 6705420b3111..d7206581145d 100644
+--- a/net/hsr/hsr_framereg.c
++++ b/net/hsr/hsr_framereg.c
+@@ -468,13 +468,9 @@ int hsr_get_node_data(struct hsr_priv *hsr,
+ struct hsr_port *port;
+ unsigned long tdiff;
+
+-
+- rcu_read_lock();
+ node = find_node_by_AddrA(&hsr->node_db, addr);
+- if (!node) {
+- rcu_read_unlock();
+- return -ENOENT; /* No such entry */
+- }
++ if (!node)
++ return -ENOENT;
+
+ ether_addr_copy(addr_b, node->MacAddressB);
+
+@@ -509,7 +505,5 @@ int hsr_get_node_data(struct hsr_priv *hsr,
+ *addr_b_ifindex = -1;
+ }
+
+- rcu_read_unlock();
+-
+ return 0;
+ }
+diff --git a/net/hsr/hsr_netlink.c b/net/hsr/hsr_netlink.c
+index b9cce0fd5696..37708dabebd1 100644
+--- a/net/hsr/hsr_netlink.c
++++ b/net/hsr/hsr_netlink.c
+@@ -259,17 +259,16 @@ static int hsr_get_node_status(struct sk_buff *skb_in, struct genl_info *info)
+ if (!na)
+ goto invalid;
+
+- hsr_dev = __dev_get_by_index(genl_info_net(info),
+- nla_get_u32(info->attrs[HSR_A_IFINDEX]));
++ rcu_read_lock();
++ hsr_dev = dev_get_by_index_rcu(genl_info_net(info),
++ nla_get_u32(info->attrs[HSR_A_IFINDEX]));
+ if (!hsr_dev)
+- goto invalid;
++ goto rcu_unlock;
+ if (!is_hsr_master(hsr_dev))
+- goto invalid;
+-
++ goto rcu_unlock;
+
+ /* Send reply */
+-
+- skb_out = genlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
++ skb_out = genlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC);
+ if (!skb_out) {
+ res = -ENOMEM;
+ goto fail;
+@@ -321,12 +320,10 @@ static int hsr_get_node_status(struct sk_buff *skb_in, struct genl_info *info)
+ res = nla_put_u16(skb_out, HSR_A_IF1_SEQ, hsr_node_if1_seq);
+ if (res < 0)
+ goto nla_put_failure;
+- rcu_read_lock();
+ port = hsr_port_get_hsr(hsr, HSR_PT_SLAVE_A);
+ if (port)
+ res = nla_put_u32(skb_out, HSR_A_IF1_IFINDEX,
+ port->dev->ifindex);
+- rcu_read_unlock();
+ if (res < 0)
+ goto nla_put_failure;
+
+@@ -336,20 +333,22 @@ static int hsr_get_node_status(struct sk_buff *skb_in, struct genl_info *info)
+ res = nla_put_u16(skb_out, HSR_A_IF2_SEQ, hsr_node_if2_seq);
+ if (res < 0)
+ goto nla_put_failure;
+- rcu_read_lock();
+ port = hsr_port_get_hsr(hsr, HSR_PT_SLAVE_B);
+ if (port)
+ res = nla_put_u32(skb_out, HSR_A_IF2_IFINDEX,
+ port->dev->ifindex);
+- rcu_read_unlock();
+ if (res < 0)
+ goto nla_put_failure;
+
++ rcu_read_unlock();
++
+ genlmsg_end(skb_out, msg_head);
+ genlmsg_unicast(genl_info_net(info), skb_out, info->snd_portid);
+
+ return 0;
+
++rcu_unlock:
++ rcu_read_unlock();
+ invalid:
+ netlink_ack(skb_in, nlmsg_hdr(skb_in), -EINVAL, NULL);
+ return 0;
+@@ -359,6 +358,7 @@ nla_put_failure:
+ /* Fall through */
+
+ fail:
++ rcu_read_unlock();
+ return res;
+ }
+
+@@ -366,16 +366,14 @@ fail:
+ */
+ static int hsr_get_node_list(struct sk_buff *skb_in, struct genl_info *info)
+ {
+- /* For receiving */
+- struct nlattr *na;
++ unsigned char addr[ETH_ALEN];
+ struct net_device *hsr_dev;
+-
+- /* For sending */
+ struct sk_buff *skb_out;
+- void *msg_head;
+ struct hsr_priv *hsr;
+- void *pos;
+- unsigned char addr[ETH_ALEN];
++ bool restart = false;
++ struct nlattr *na;
++ void *pos = NULL;
++ void *msg_head;
+ int res;
+
+ if (!info)
+@@ -385,17 +383,17 @@ static int hsr_get_node_list(struct sk_buff *skb_in, struct genl_info *info)
+ if (!na)
+ goto invalid;
+
+- hsr_dev = __dev_get_by_index(genl_info_net(info),
+- nla_get_u32(info->attrs[HSR_A_IFINDEX]));
++ rcu_read_lock();
++ hsr_dev = dev_get_by_index_rcu(genl_info_net(info),
++ nla_get_u32(info->attrs[HSR_A_IFINDEX]));
+ if (!hsr_dev)
+- goto invalid;
++ goto rcu_unlock;
+ if (!is_hsr_master(hsr_dev))
+- goto invalid;
+-
++ goto rcu_unlock;
+
++restart:
+ /* Send reply */
+-
+- skb_out = genlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
++ skb_out = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_ATOMIC);
+ if (!skb_out) {
+ res = -ENOMEM;
+ goto fail;
+@@ -409,18 +407,26 @@ static int hsr_get_node_list(struct sk_buff *skb_in, struct genl_info *info)
+ goto nla_put_failure;
+ }
+
+- res = nla_put_u32(skb_out, HSR_A_IFINDEX, hsr_dev->ifindex);
+- if (res < 0)
+- goto nla_put_failure;
++ if (!restart) {
++ res = nla_put_u32(skb_out, HSR_A_IFINDEX, hsr_dev->ifindex);
++ if (res < 0)
++ goto nla_put_failure;
++ }
+
+ hsr = netdev_priv(hsr_dev);
+
+- rcu_read_lock();
+- pos = hsr_get_next_node(hsr, NULL, addr);
++ if (!pos)
++ pos = hsr_get_next_node(hsr, NULL, addr);
+ while (pos) {
+ res = nla_put(skb_out, HSR_A_NODE_ADDR, ETH_ALEN, addr);
+ if (res < 0) {
+- rcu_read_unlock();
++ if (res == -EMSGSIZE) {
++ genlmsg_end(skb_out, msg_head);
++ genlmsg_unicast(genl_info_net(info), skb_out,
++ info->snd_portid);
++ restart = true;
++ goto restart;
++ }
+ goto nla_put_failure;
+ }
+ pos = hsr_get_next_node(hsr, pos, addr);
+@@ -432,15 +438,18 @@ static int hsr_get_node_list(struct sk_buff *skb_in, struct genl_info *info)
+
+ return 0;
+
++rcu_unlock:
++ rcu_read_unlock();
+ invalid:
+ netlink_ack(skb_in, nlmsg_hdr(skb_in), -EINVAL, NULL);
+ return 0;
+
+ nla_put_failure:
+- kfree_skb(skb_out);
++ nlmsg_free(skb_out);
+ /* Fall through */
+
+ fail:
++ rcu_read_unlock();
+ return res;
+ }
+
+@@ -467,6 +476,7 @@ static struct genl_family hsr_genl_family __ro_after_init = {
+ .name = "HSR",
+ .version = 1,
+ .maxattr = HSR_A_MAX,
++ .netnsok = true,
+ .module = THIS_MODULE,
+ .ops = hsr_ops,
+ .n_ops = ARRAY_SIZE(hsr_ops),
+diff --git a/net/hsr/hsr_slave.c b/net/hsr/hsr_slave.c
+index 5fee6ec7c93d..b215df0bce0e 100644
+--- a/net/hsr/hsr_slave.c
++++ b/net/hsr/hsr_slave.c
+@@ -152,16 +152,16 @@ int hsr_add_port(struct hsr_priv *hsr, struct net_device *dev,
+ if (port == NULL)
+ return -ENOMEM;
+
++ port->hsr = hsr;
++ port->dev = dev;
++ port->type = type;
++
+ if (type != HSR_PT_MASTER) {
+ res = hsr_portdev_setup(dev, port);
+ if (res)
+ goto fail_dev_setup;
+ }
+
+- port->hsr = hsr;
+- port->dev = dev;
+- port->type = type;
+-
+ list_add_tail_rcu(&port->port_list, &hsr->ports);
+ synchronize_rcu();
+
+diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
+index f48fe6fc7e8c..4abc4ba733bf 100644
+--- a/net/ipv4/Kconfig
++++ b/net/ipv4/Kconfig
+@@ -297,6 +297,7 @@ config SYN_COOKIES
+
+ config NET_IPVTI
+ tristate "Virtual (secure) IP: tunneling"
++ depends on IPV6 || IPV6=n
+ select INET_TUNNEL
+ select NET_IP_TUNNEL
+ depends on INET_XFRM_MODE_TUNNEL
+diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
+index 59384ffe89f7..b930ab5cf140 100644
+--- a/net/ipv4/ip_vti.c
++++ b/net/ipv4/ip_vti.c
+@@ -208,17 +208,39 @@ static netdev_tx_t vti_xmit(struct sk_buff *skb, struct net_device *dev,
+ int mtu;
+
+ if (!dst) {
+- struct rtable *rt;
+-
+- fl->u.ip4.flowi4_oif = dev->ifindex;
+- fl->u.ip4.flowi4_flags |= FLOWI_FLAG_ANYSRC;
+- rt = __ip_route_output_key(dev_net(dev), &fl->u.ip4);
+- if (IS_ERR(rt)) {
++ switch (skb->protocol) {
++ case htons(ETH_P_IP): {
++ struct rtable *rt;
++
++ fl->u.ip4.flowi4_oif = dev->ifindex;
++ fl->u.ip4.flowi4_flags |= FLOWI_FLAG_ANYSRC;
++ rt = __ip_route_output_key(dev_net(dev), &fl->u.ip4);
++ if (IS_ERR(rt)) {
++ dev->stats.tx_carrier_errors++;
++ goto tx_error_icmp;
++ }
++ dst = &rt->dst;
++ skb_dst_set(skb, dst);
++ break;
++ }
++#if IS_ENABLED(CONFIG_IPV6)
++ case htons(ETH_P_IPV6):
++ fl->u.ip6.flowi6_oif = dev->ifindex;
++ fl->u.ip6.flowi6_flags |= FLOWI_FLAG_ANYSRC;
++ dst = ip6_route_output(dev_net(dev), NULL, &fl->u.ip6);
++ if (dst->error) {
++ dst_release(dst);
++ dst = NULL;
++ dev->stats.tx_carrier_errors++;
++ goto tx_error_icmp;
++ }
++ skb_dst_set(skb, dst);
++ break;
++#endif
++ default:
+ dev->stats.tx_carrier_errors++;
+ goto tx_error_icmp;
+ }
+- dst = &rt->dst;
+- skb_dst_set(skb, dst);
+ }
+
+ dst_hold(dst);
+diff --git a/net/ipv4/route.c b/net/ipv4/route.c
+index 8b855d3eec9e..05fe1d007544 100644
+--- a/net/ipv4/route.c
++++ b/net/ipv4/route.c
+@@ -1014,21 +1014,22 @@ out: kfree_skb(skb);
+ static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu)
+ {
+ struct dst_entry *dst = &rt->dst;
++ u32 old_mtu = ipv4_mtu(dst);
+ struct fib_result res;
+ bool lock = false;
+
+ if (ip_mtu_locked(dst))
+ return;
+
+- if (ipv4_mtu(dst) < mtu)
++ if (old_mtu < mtu)
+ return;
+
+ if (mtu < ip_rt_min_pmtu) {
+ lock = true;
+- mtu = ip_rt_min_pmtu;
++ mtu = min(old_mtu, ip_rt_min_pmtu);
+ }
+
+- if (rt->rt_pmtu == mtu &&
++ if (rt->rt_pmtu == mtu && !lock &&
+ time_before(jiffies, dst->expires - ip_rt_mtu_expires / 2))
+ return;
+
+diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
+index 396a0f61f5f8..207bf342e995 100644
+--- a/net/ipv6/ip6_vti.c
++++ b/net/ipv6/ip6_vti.c
+@@ -315,7 +315,7 @@ static int vti6_rcv(struct sk_buff *skb)
+
+ if (!xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) {
+ rcu_read_unlock();
+- return 0;
++ goto discard;
+ }
+
+ ipv6h = ipv6_hdr(skb);
+@@ -454,15 +454,33 @@ vti6_xmit(struct sk_buff *skb, struct net_device *dev, struct flowi *fl)
+ int mtu;
+
+ if (!dst) {
+- fl->u.ip6.flowi6_oif = dev->ifindex;
+- fl->u.ip6.flowi6_flags |= FLOWI_FLAG_ANYSRC;
+- dst = ip6_route_output(dev_net(dev), NULL, &fl->u.ip6);
+- if (dst->error) {
+- dst_release(dst);
+- dst = NULL;
++ switch (skb->protocol) {
++ case htons(ETH_P_IP): {
++ struct rtable *rt;
++
++ fl->u.ip4.flowi4_oif = dev->ifindex;
++ fl->u.ip4.flowi4_flags |= FLOWI_FLAG_ANYSRC;
++ rt = __ip_route_output_key(dev_net(dev), &fl->u.ip4);
++ if (IS_ERR(rt))
++ goto tx_err_link_failure;
++ dst = &rt->dst;
++ skb_dst_set(skb, dst);
++ break;
++ }
++ case htons(ETH_P_IPV6):
++ fl->u.ip6.flowi6_oif = dev->ifindex;
++ fl->u.ip6.flowi6_flags |= FLOWI_FLAG_ANYSRC;
++ dst = ip6_route_output(dev_net(dev), NULL, &fl->u.ip6);
++ if (dst->error) {
++ dst_release(dst);
++ dst = NULL;
++ goto tx_err_link_failure;
++ }
++ skb_dst_set(skb, dst);
++ break;
++ default:
+ goto tx_err_link_failure;
+ }
+- skb_dst_set(skb, dst);
+ }
+
+ dst_hold(dst);
+diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
+index 5ec73cf386df..7b4ce3f9e2f4 100644
+--- a/net/ipv6/tcp_ipv6.c
++++ b/net/ipv6/tcp_ipv6.c
+@@ -718,7 +718,6 @@ static void tcp_v6_init_req(struct request_sock *req,
+ const struct sock *sk_listener,
+ struct sk_buff *skb)
+ {
+- bool l3_slave = ipv6_l3mdev_skb(TCP_SKB_CB(skb)->header.h6.flags);
+ struct inet_request_sock *ireq = inet_rsk(req);
+ const struct ipv6_pinfo *np = inet6_sk(sk_listener);
+
+@@ -726,7 +725,7 @@ static void tcp_v6_init_req(struct request_sock *req,
+ ireq->ir_v6_loc_addr = ipv6_hdr(skb)->daddr;
+
+ /* So that link locals have meaning */
+- if ((!sk_listener->sk_bound_dev_if || l3_slave) &&
++ if (!sk_listener->sk_bound_dev_if &&
+ ipv6_addr_type(&ireq->ir_v6_rmt_addr) & IPV6_ADDR_LINKLOCAL)
+ ireq->ir_iif = tcp_v6_iif(skb);
+
+diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
+index 994dde6e5f9d..986e9b6b961d 100644
+--- a/net/mac80211/mesh_hwmp.c
++++ b/net/mac80211/mesh_hwmp.c
+@@ -1137,7 +1137,8 @@ int mesh_nexthop_resolve(struct ieee80211_sub_if_data *sdata,
+ }
+ }
+
+- if (!(mpath->flags & MESH_PATH_RESOLVING))
++ if (!(mpath->flags & MESH_PATH_RESOLVING) &&
++ mesh_path_sel_is_hwmp(sdata))
+ mesh_queue_preq(mpath, PREQ_Q_F_START);
+
+ if (skb_queue_len(&mpath->frame_queue) >= MESH_FRAME_QUEUE_LEN)
+diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
+index 627dc642f894..77ab9cc1a230 100644
+--- a/net/mac80211/sta_info.c
++++ b/net/mac80211/sta_info.c
+@@ -3,6 +3,7 @@
+ * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
+ * Copyright 2013-2014 Intel Mobile Communications GmbH
+ * Copyright (C) 2015 - 2017 Intel Deutschland GmbH
++ * Copyright (C) 2018-2020 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+@@ -951,6 +952,11 @@ static void __sta_info_destroy_part2(struct sta_info *sta)
+ might_sleep();
+ lockdep_assert_held(&local->sta_mtx);
+
++ while (sta->sta_state == IEEE80211_STA_AUTHORIZED) {
++ ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
++ WARN_ON_ONCE(ret);
++ }
++
+ /* now keys can no longer be reached */
+ ieee80211_free_sta_keys(local, sta);
+
+diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
+index 09c7aa519ca8..513d071ccac7 100644
+--- a/net/mac80211/tx.c
++++ b/net/mac80211/tx.c
+@@ -3451,8 +3451,26 @@ begin:
+ tx.skb = skb;
+ tx.sdata = vif_to_sdata(info->control.vif);
+
+- if (txq->sta)
++ if (txq->sta) {
+ tx.sta = container_of(txq->sta, struct sta_info, sta);
++ /*
++ * Drop unicast frames to unauthorised stations unless they are
++ * EAPOL frames from the local station.
++ */
++ if (unlikely(ieee80211_is_data(hdr->frame_control) &&
++ !ieee80211_vif_is_mesh(&tx.sdata->vif) &&
++ tx.sdata->vif.type != NL80211_IFTYPE_OCB &&
++ !is_multicast_ether_addr(hdr->addr1) &&
++ !test_sta_flag(tx.sta, WLAN_STA_AUTHORIZED) &&
++ (!(info->control.flags &
++ IEEE80211_TX_CTRL_PORT_CTRL_PROTO) ||
++ !ether_addr_equal(tx.sdata->vif.addr,
++ hdr->addr2)))) {
++ I802_DEBUG_INC(local->tx_handlers_drop_unauth_port);
++ ieee80211_free_txskb(&local->hw, skb);
++ goto begin;
++ }
++ }
+
+ /*
+ * The key can be removed while the packet was queued, so need to call
+diff --git a/net/netfilter/nft_fwd_netdev.c b/net/netfilter/nft_fwd_netdev.c
+index ce13a50b9189..ee190fa4dc34 100644
+--- a/net/netfilter/nft_fwd_netdev.c
++++ b/net/netfilter/nft_fwd_netdev.c
+@@ -62,6 +62,13 @@ nla_put_failure:
+ return -1;
+ }
+
++static int nft_fwd_validate(const struct nft_ctx *ctx,
++ const struct nft_expr *expr,
++ const struct nft_data **data)
++{
++ return nft_chain_validate_hooks(ctx->chain, (1 << NF_NETDEV_INGRESS));
++}
++
+ static struct nft_expr_type nft_fwd_netdev_type;
+ static const struct nft_expr_ops nft_fwd_netdev_ops = {
+ .type = &nft_fwd_netdev_type,
+@@ -69,6 +76,7 @@ static const struct nft_expr_ops nft_fwd_netdev_ops = {
+ .eval = nft_fwd_netdev_eval,
+ .init = nft_fwd_netdev_init,
+ .dump = nft_fwd_netdev_dump,
++ .validate = nft_fwd_validate,
+ };
+
+ static struct nft_expr_type nft_fwd_netdev_type __read_mostly = {
+diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
+index 387589a4a340..102750bd751c 100644
+--- a/net/packet/af_packet.c
++++ b/net/packet/af_packet.c
+@@ -2204,6 +2204,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
+ struct timespec ts;
+ __u32 ts_status;
+ bool is_drop_n_account = false;
++ unsigned int slot_id = 0;
+ bool do_vnet = false;
+
+ /* struct tpacket{2,3}_hdr is aligned to a multiple of TPACKET_ALIGNMENT.
+@@ -2300,6 +2301,13 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
+ if (!h.raw)
+ goto drop_n_account;
+
++ if (po->tp_version <= TPACKET_V2) {
++ slot_id = po->rx_ring.head;
++ if (test_bit(slot_id, po->rx_ring.rx_owner_map))
++ goto drop_n_account;
++ __set_bit(slot_id, po->rx_ring.rx_owner_map);
++ }
++
+ if (do_vnet &&
+ virtio_net_hdr_from_skb(skb, h.raw + macoff -
+ sizeof(struct virtio_net_hdr),
+@@ -2405,7 +2413,10 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
+ #endif
+
+ if (po->tp_version <= TPACKET_V2) {
++ spin_lock(&sk->sk_receive_queue.lock);
+ __packet_set_status(po, h.raw, status);
++ __clear_bit(slot_id, po->rx_ring.rx_owner_map);
++ spin_unlock(&sk->sk_receive_queue.lock);
+ sk->sk_data_ready(sk);
+ } else {
+ prb_clear_blk_fill_status(&po->rx_ring);
+@@ -4298,6 +4309,7 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u,
+ {
+ struct pgv *pg_vec = NULL;
+ struct packet_sock *po = pkt_sk(sk);
++ unsigned long *rx_owner_map = NULL;
+ int was_running, order = 0;
+ struct packet_ring_buffer *rb;
+ struct sk_buff_head *rb_queue;
+@@ -4383,6 +4395,12 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u,
+ }
+ break;
+ default:
++ if (!tx_ring) {
++ rx_owner_map = bitmap_alloc(req->tp_frame_nr,
++ GFP_KERNEL | __GFP_NOWARN | __GFP_ZERO);
++ if (!rx_owner_map)
++ goto out_free_pg_vec;
++ }
+ break;
+ }
+ }
+@@ -4412,6 +4430,8 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u,
+ err = 0;
+ spin_lock_bh(&rb_queue->lock);
+ swap(rb->pg_vec, pg_vec);
++ if (po->tp_version <= TPACKET_V2)
++ swap(rb->rx_owner_map, rx_owner_map);
+ rb->frame_max = (req->tp_frame_nr - 1);
+ rb->head = 0;
+ rb->frame_size = req->tp_frame_size;
+@@ -4443,6 +4463,7 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u,
+ }
+
+ out_free_pg_vec:
++ bitmap_free(rx_owner_map);
+ if (pg_vec)
+ free_pg_vec(pg_vec, order, req->tp_block_nr);
+ out:
+diff --git a/net/packet/internal.h b/net/packet/internal.h
+index c70a2794456f..f10294800aaf 100644
+--- a/net/packet/internal.h
++++ b/net/packet/internal.h
+@@ -70,7 +70,10 @@ struct packet_ring_buffer {
+
+ unsigned int __percpu *pending_refcnt;
+
+- struct tpacket_kbdq_core prb_bdqc;
++ union {
++ unsigned long *rx_owner_map;
++ struct tpacket_kbdq_core prb_bdqc;
++ };
+ };
+
+ extern struct mutex fanout_mutex;
+diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c
+index ac9a5b8825b9..4f133faa9e60 100644
+--- a/net/sched/cls_route.c
++++ b/net/sched/cls_route.c
+@@ -539,8 +539,8 @@ static int route4_change(struct net *net, struct sk_buff *in_skb,
+ fp = &b->ht[h];
+ for (pfp = rtnl_dereference(*fp); pfp;
+ fp = &pfp->next, pfp = rtnl_dereference(*fp)) {
+- if (pfp == f) {
+- *fp = f->next;
++ if (pfp == fold) {
++ rcu_assign_pointer(*fp, fold->next);
+ break;
+ }
+ }
+diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c
+index 796b4e1beb12..c2d2c054a4e4 100644
+--- a/net/sched/cls_tcindex.c
++++ b/net/sched/cls_tcindex.c
+@@ -375,6 +375,7 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base,
+
+ if (tcindex_alloc_perfect_hash(cp) < 0)
+ goto errout;
++ cp->alloc_hash = cp->hash;
+ for (i = 0; i < min(cp->hash, p->hash); i++)
+ cp->perfect[i].res = p->perfect[i].res;
+ balloc = 1;
+diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c
+index 4e458fd9236a..c58557193527 100644
+--- a/net/xfrm/xfrm_device.c
++++ b/net/xfrm/xfrm_device.c
+@@ -187,6 +187,7 @@ static int xfrm_dev_event(struct notifier_block *this, unsigned long event, void
+ return xfrm_dev_feat_change(dev);
+
+ case NETDEV_DOWN:
++ case NETDEV_UNREGISTER:
+ return xfrm_dev_down(dev);
+ }
+ return NOTIFY_DONE;
+diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
+index b5006a091fd6..f76bb5237df3 100644
+--- a/net/xfrm/xfrm_policy.c
++++ b/net/xfrm/xfrm_policy.c
+@@ -301,7 +301,9 @@ EXPORT_SYMBOL(xfrm_policy_destroy);
+
+ static void xfrm_policy_kill(struct xfrm_policy *policy)
+ {
++ write_lock_bh(&policy->lock);
+ policy->walk.dead = 1;
++ write_unlock_bh(&policy->lock);
+
+ atomic_inc(&policy->genid);
+
+diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
+index 339a070da597..86084086a472 100644
+--- a/net/xfrm/xfrm_user.c
++++ b/net/xfrm/xfrm_user.c
+@@ -109,7 +109,8 @@ static inline int verify_sec_ctx_len(struct nlattr **attrs)
+ return 0;
+
+ uctx = nla_data(rt);
+- if (uctx->len != (sizeof(struct xfrm_user_sec_ctx) + uctx->ctx_len))
++ if (uctx->len > nla_len(rt) ||
++ uctx->len != (sizeof(struct xfrm_user_sec_ctx) + uctx->ctx_len))
+ return -EINVAL;
+
+ return 0;
+@@ -2211,6 +2212,9 @@ static int xfrm_add_acquire(struct sk_buff *skb, struct nlmsghdr *nlh,
+ xfrm_mark_get(attrs, &mark);
+
+ err = verify_newpolicy_info(&ua->policy);
++ if (err)
++ goto free_state;
++ err = verify_sec_ctx_len(attrs);
+ if (err)
+ goto free_state;
+
+diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn
+index 8d5357053f86..486e135d3e30 100644
+--- a/scripts/Makefile.extrawarn
++++ b/scripts/Makefile.extrawarn
+@@ -72,5 +72,6 @@ KBUILD_CFLAGS += $(call cc-disable-warning, format)
+ KBUILD_CFLAGS += $(call cc-disable-warning, sign-compare)
+ KBUILD_CFLAGS += $(call cc-disable-warning, format-zero-length)
+ KBUILD_CFLAGS += $(call cc-disable-warning, uninitialized)
++KBUILD_CFLAGS += $(call cc-disable-warning, pointer-to-enum-cast)
+ endif
+ endif
+diff --git a/scripts/dtc/dtc-lexer.l b/scripts/dtc/dtc-lexer.l
+index fd825ebba69c..24af54997758 100644
+--- a/scripts/dtc/dtc-lexer.l
++++ b/scripts/dtc/dtc-lexer.l
+@@ -38,7 +38,6 @@ LINECOMMENT "//".*\n
+ #include "srcpos.h"
+ #include "dtc-parser.tab.h"
+
+-YYLTYPE yylloc;
+ extern bool treesource_error;
+
+ /* CAUTION: this will stop working if we ever use yyless() or yyunput() */
+diff --git a/scripts/dtc/dtc-lexer.lex.c_shipped b/scripts/dtc/dtc-lexer.lex.c_shipped
+index 64c243772398..9db3a409c507 100644
+--- a/scripts/dtc/dtc-lexer.lex.c_shipped
++++ b/scripts/dtc/dtc-lexer.lex.c_shipped
+@@ -631,7 +631,6 @@ char *yytext;
+ #include "srcpos.h"
+ #include "dtc-parser.tab.h"
+
+-YYLTYPE yylloc;
+ extern bool treesource_error;
+
+ /* CAUTION: this will stop working if we ever use yyless() or yyunput() */
+diff --git a/scripts/parse-maintainers.pl b/scripts/parse-maintainers.pl
+old mode 100644
+new mode 100755
+diff --git a/sound/core/oss/pcm_plugin.c b/sound/core/oss/pcm_plugin.c
+index b8ab46b8298d..40d2d39151bf 100644
+--- a/sound/core/oss/pcm_plugin.c
++++ b/sound/core/oss/pcm_plugin.c
+@@ -111,7 +111,7 @@ int snd_pcm_plug_alloc(struct snd_pcm_substream *plug, snd_pcm_uframes_t frames)
+ while (plugin->next) {
+ if (plugin->dst_frames)
+ frames = plugin->dst_frames(plugin, frames);
+- if (snd_BUG_ON((snd_pcm_sframes_t)frames <= 0))
++ if ((snd_pcm_sframes_t)frames <= 0)
+ return -ENXIO;
+ plugin = plugin->next;
+ err = snd_pcm_plugin_alloc(plugin, frames);
+@@ -123,7 +123,7 @@ int snd_pcm_plug_alloc(struct snd_pcm_substream *plug, snd_pcm_uframes_t frames)
+ while (plugin->prev) {
+ if (plugin->src_frames)
+ frames = plugin->src_frames(plugin, frames);
+- if (snd_BUG_ON((snd_pcm_sframes_t)frames <= 0))
++ if ((snd_pcm_sframes_t)frames <= 0)
+ return -ENXIO;
+ plugin = plugin->prev;
+ err = snd_pcm_plugin_alloc(plugin, frames);
+@@ -209,6 +209,8 @@ snd_pcm_sframes_t snd_pcm_plug_client_size(struct snd_pcm_substream *plug, snd_p
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ plugin = snd_pcm_plug_last(plug);
+ while (plugin && drv_frames > 0) {
++ if (drv_frames > plugin->buf_frames)
++ drv_frames = plugin->buf_frames;
+ plugin_prev = plugin->prev;
+ if (plugin->src_frames)
+ drv_frames = plugin->src_frames(plugin, drv_frames);
+@@ -220,6 +222,8 @@ snd_pcm_sframes_t snd_pcm_plug_client_size(struct snd_pcm_substream *plug, snd_p
+ plugin_next = plugin->next;
+ if (plugin->dst_frames)
+ drv_frames = plugin->dst_frames(plugin, drv_frames);
++ if (drv_frames > plugin->buf_frames)
++ drv_frames = plugin->buf_frames;
+ plugin = plugin_next;
+ }
+ } else
+@@ -248,11 +252,15 @@ snd_pcm_sframes_t snd_pcm_plug_slave_size(struct snd_pcm_substream *plug, snd_pc
+ if (frames < 0)
+ return frames;
+ }
++ if (frames > plugin->buf_frames)
++ frames = plugin->buf_frames;
+ plugin = plugin_next;
+ }
+ } else if (stream == SNDRV_PCM_STREAM_CAPTURE) {
+ plugin = snd_pcm_plug_last(plug);
+ while (plugin) {
++ if (frames > plugin->buf_frames)
++ frames = plugin->buf_frames;
+ plugin_prev = plugin->prev;
+ if (plugin->src_frames) {
+ frames = plugin->src_frames(plugin, frames);
+diff --git a/sound/core/seq/oss/seq_oss_midi.c b/sound/core/seq/oss/seq_oss_midi.c
+index 9debd1b8fd28..cdfb8f92d554 100644
+--- a/sound/core/seq/oss/seq_oss_midi.c
++++ b/sound/core/seq/oss/seq_oss_midi.c
+@@ -615,6 +615,7 @@ send_midi_event(struct seq_oss_devinfo *dp, struct snd_seq_event *ev, struct seq
+ len = snd_seq_oss_timer_start(dp->timer);
+ if (ev->type == SNDRV_SEQ_EVENT_SYSEX) {
+ snd_seq_oss_readq_sysex(dp->readq, mdev->seq_device, ev);
++ snd_midi_event_reset_decode(mdev->coder);
+ } else {
+ len = snd_midi_event_decode(mdev->coder, msg, sizeof(msg), ev);
+ if (len > 0)
+diff --git a/sound/core/seq/seq_virmidi.c b/sound/core/seq/seq_virmidi.c
+index 8ebbca554e99..dd958d76ca5d 100644
+--- a/sound/core/seq/seq_virmidi.c
++++ b/sound/core/seq/seq_virmidi.c
+@@ -95,6 +95,7 @@ static int snd_virmidi_dev_receive_event(struct snd_virmidi_dev *rdev,
+ if ((ev->flags & SNDRV_SEQ_EVENT_LENGTH_MASK) != SNDRV_SEQ_EVENT_LENGTH_VARIABLE)
+ continue;
+ snd_seq_dump_var_event(ev, (snd_seq_dump_func_t)snd_rawmidi_receive, vmidi->substream);
++ snd_midi_event_reset_decode(vmidi->parser);
+ } else {
+ len = snd_midi_event_decode(vmidi->parser, msg, sizeof(msg), ev);
+ if (len > 0)
+diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
+index 5a7afbeb612d..b500dad33ea9 100644
+--- a/sound/pci/hda/patch_realtek.c
++++ b/sound/pci/hda/patch_realtek.c
+@@ -4687,6 +4687,8 @@ static void alc_determine_headset_type(struct hda_codec *codec)
+ is_ctia = (val & 0x1c02) == 0x1c02;
+ break;
+ case 0x10ec0225:
++ codec->power_save_node = 1;
++ /* fall through */
+ case 0x10ec0295:
+ case 0x10ec0299:
+ alc_process_coef_fw(codec, alc225_pre_hsmode);
+diff --git a/sound/usb/line6/driver.c b/sound/usb/line6/driver.c
+index b223de3defc4..bf4eacc53a7d 100644
+--- a/sound/usb/line6/driver.c
++++ b/sound/usb/line6/driver.c
+@@ -313,7 +313,7 @@ static void line6_data_received(struct urb *urb)
+ line6_midibuf_read(mb, line6->buffer_message,
+ LINE6_MIDI_MESSAGE_MAXLEN);
+
+- if (done == 0)
++ if (done <= 0)
+ break;
+
+ line6->message_length = done;
+diff --git a/sound/usb/line6/midibuf.c b/sound/usb/line6/midibuf.c
+index 36a610ba342e..c931d48801eb 100644
+--- a/sound/usb/line6/midibuf.c
++++ b/sound/usb/line6/midibuf.c
+@@ -163,7 +163,7 @@ int line6_midibuf_read(struct midi_buffer *this, unsigned char *data,
+ int midi_length_prev =
+ midibuf_message_length(this->command_prev);
+
+- if (midi_length_prev > 0) {
++ if (midi_length_prev > 1) {
+ midi_length = midi_length_prev - 1;
+ repeat = 1;
+ } else
+diff --git a/tools/perf/Makefile b/tools/perf/Makefile
+index 7902a5681fc8..b8fc7d972be9 100644
+--- a/tools/perf/Makefile
++++ b/tools/perf/Makefile
+@@ -35,7 +35,7 @@ endif
+ # Only pass canonical directory names as the output directory:
+ #
+ ifneq ($(O),)
+- FULL_O := $(shell readlink -f $(O) || echo $(O))
++ FULL_O := $(shell cd $(PWD); readlink -f $(O) || echo $(O))
+ endif
+
+ #
+diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
+index 63db9872c880..a49f27aa0c95 100644
+--- a/tools/perf/util/map.c
++++ b/tools/perf/util/map.c
+@@ -90,7 +90,7 @@ static inline bool replace_android_lib(const char *filename, char *newfilename)
+ return true;
+ }
+
+- if (!strncmp(filename, "/system/lib/", 11)) {
++ if (!strncmp(filename, "/system/lib/", 12)) {
+ char *ndk, *app;
+ const char *arch;
+ size_t ndk_length;
+diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
+index 893193bd28c1..ae0feea4e8b5 100644
+--- a/tools/perf/util/probe-finder.c
++++ b/tools/perf/util/probe-finder.c
+@@ -626,14 +626,19 @@ static int convert_to_trace_point(Dwarf_Die *sp_die, Dwfl_Module *mod,
+ return -EINVAL;
+ }
+
+- /* Try to get actual symbol name from symtab */
+- symbol = dwfl_module_addrsym(mod, paddr, &sym, NULL);
++ if (dwarf_entrypc(sp_die, &eaddr) == 0) {
++ /* If the DIE has entrypc, use it. */
++ symbol = dwarf_diename(sp_die);
++ } else {
++ /* Try to get actual symbol name and address from symtab */
++ symbol = dwfl_module_addrsym(mod, paddr, &sym, NULL);
++ eaddr = sym.st_value;
++ }
+ if (!symbol) {
+ pr_warning("Failed to find symbol at 0x%lx\n",
+ (unsigned long)paddr);
+ return -ENOENT;
+ }
+- eaddr = sym.st_value;
+
+ tp->offset = (unsigned long)(paddr - eaddr);
+ tp->address = (unsigned long)paddr;
+diff --git a/tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c b/tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c
+index 2116df9ad832..c097a3748674 100644
+--- a/tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c
++++ b/tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c
+@@ -83,7 +83,7 @@ static struct pci_access *pci_acc;
+ static struct pci_dev *amd_fam14h_pci_dev;
+ static int nbp1_entered;
+
+-struct timespec start_time;
++static struct timespec start_time;
+ static unsigned long long timediff;
+
+ #ifdef DEBUG
+diff --git a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
+index 5b3205f16217..5277df27191f 100644
+--- a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
++++ b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
+@@ -21,7 +21,7 @@ struct cpuidle_monitor cpuidle_sysfs_monitor;
+
+ static unsigned long long **previous_count;
+ static unsigned long long **current_count;
+-struct timespec start_time;
++static struct timespec start_time;
+ static unsigned long long timediff;
+
+ static int cpuidle_get_count_percent(unsigned int id, double *percent,
+diff --git a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c
+index 05f953f0f0a0..80a21cb67d94 100644
+--- a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c
++++ b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c
+@@ -29,6 +29,8 @@ struct cpuidle_monitor *all_monitors[] = {
+ 0
+ };
+
++int cpu_count;
++
+ static struct cpuidle_monitor *monitors[MONITORS_MAX];
+ static unsigned int avail_monitors;
+
+diff --git a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h
+index 9e43f3371fbc..3558bbae2b5d 100644
+--- a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h
++++ b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h
+@@ -18,7 +18,7 @@
+ #define CSTATE_NAME_LEN 5
+ #define CSTATE_DESC_LEN 60
+
+-int cpu_count;
++extern int cpu_count;
+
+ /* Hard to define the right names ...: */
+ enum power_range_e {
+diff --git a/tools/scripts/Makefile.include b/tools/scripts/Makefile.include
+index 71dc7efc7efa..df247f39d7c5 100644
+--- a/tools/scripts/Makefile.include
++++ b/tools/scripts/Makefile.include
+@@ -1,8 +1,8 @@
+ # SPDX-License-Identifier: GPL-2.0
+ ifneq ($(O),)
+ ifeq ($(origin O), command line)
+- dummy := $(if $(shell test -d $(O) || echo $(O)),$(error O=$(O) does not exist),)
+- ABSOLUTE_O := $(shell cd $(O) ; pwd)
++ dummy := $(if $(shell cd $(PWD); test -d $(O) || echo $(O)),$(error O=$(O) does not exist),)
++ ABSOLUTE_O := $(shell cd $(PWD); cd $(O) ; pwd)
+ OUTPUT := $(ABSOLUTE_O)/$(if $(subdir),$(subdir)/)
+ COMMAND_O := O=$(ABSOLUTE_O)
+ ifeq ($(objtree),)
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