commit:     41b998757415c5917867b58dae4a2b76c8a28988
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Sun Nov  1 20:29:16 2020 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Sun Nov  1 20:29:16 2020 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=41b99875

Linux patch 4.19.154

Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>

 0000_README               |    4 +
 1153_linux-4.19.154.patch | 3490 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 3494 insertions(+)

diff --git a/0000_README b/0000_README
index f3a1010..ea0813a 100644
--- a/0000_README
+++ b/0000_README
@@ -651,6 +651,10 @@ Patch:  1152_linux-4.19.153.patch
 From:   https://www.kernel.org
 Desc:   Linux 4.19.153
 
+Patch:  1153_linux-4.19.154.patch
+From:   https://www.kernel.org
+Desc:   Linux 4.19.154
+
 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/1153_linux-4.19.154.patch b/1153_linux-4.19.154.patch
new file mode 100644
index 0000000..8691528
--- /dev/null
+++ b/1153_linux-4.19.154.patch
@@ -0,0 +1,3490 @@
+diff --git a/Makefile b/Makefile
+index d5e93bf207998..a7056e26947c3 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 4
+ PATCHLEVEL = 19
+-SUBLEVEL = 153
++SUBLEVEL = 154
+ EXTRAVERSION =
+ NAME = "People's Front"
+ 
+diff --git a/arch/arm/boot/dts/imx6sl.dtsi b/arch/arm/boot/dts/imx6sl.dtsi
+index 55d1872aa81a8..9d19183f40e15 100644
+--- a/arch/arm/boot/dts/imx6sl.dtsi
++++ b/arch/arm/boot/dts/imx6sl.dtsi
+@@ -922,8 +922,10 @@
+                       };
+ 
+                       rngb: rngb@21b4000 {
++                              compatible = "fsl,imx6sl-rngb", 
"fsl,imx25-rngb";
+                               reg = <0x021b4000 0x4000>;
+                               interrupts = <0 5 IRQ_TYPE_LEVEL_HIGH>;
++                              clocks = <&clks IMX6SL_CLK_DUMMY>;
+                       };
+ 
+                       weim: weim@21b8000 {
+diff --git a/arch/arm/boot/dts/owl-s500.dtsi b/arch/arm/boot/dts/owl-s500.dtsi
+index 43c9980a4260c..75a76842c2700 100644
+--- a/arch/arm/boot/dts/owl-s500.dtsi
++++ b/arch/arm/boot/dts/owl-s500.dtsi
+@@ -85,21 +85,21 @@
+               global_timer: timer@b0020200 {
+                       compatible = "arm,cortex-a9-global-timer";
+                       reg = <0xb0020200 0x100>;
+-                      interrupts = <GIC_PPI 0 (GIC_CPU_MASK_SIMPLE(4) | 
IRQ_TYPE_EDGE_RISING)>;
++                      interrupts = <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | 
IRQ_TYPE_EDGE_RISING)>;
+                       status = "disabled";
+               };
+ 
+               twd_timer: timer@b0020600 {
+                       compatible = "arm,cortex-a9-twd-timer";
+                       reg = <0xb0020600 0x20>;
+-                      interrupts = <GIC_PPI 2 (GIC_CPU_MASK_SIMPLE(4) | 
IRQ_TYPE_EDGE_RISING)>;
++                      interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | 
IRQ_TYPE_EDGE_RISING)>;
+                       status = "disabled";
+               };
+ 
+               twd_wdt: wdt@b0020620 {
+                       compatible = "arm,cortex-a9-twd-wdt";
+                       reg = <0xb0020620 0xe0>;
+-                      interrupts = <GIC_PPI 3 (GIC_CPU_MASK_SIMPLE(4) | 
IRQ_TYPE_EDGE_RISING)>;
++                      interrupts = <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | 
IRQ_TYPE_EDGE_RISING)>;
+                       status = "disabled";
+               };
+ 
+diff --git a/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts 
b/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
+index c39b9169ea641..b2a773a718e16 100644
+--- a/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
++++ b/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
+@@ -206,16 +206,16 @@
+ };
+ 
+ &reg_dc1sw {
+-      regulator-min-microvolt = <3000000>;
+-      regulator-max-microvolt = <3000000>;
++      regulator-min-microvolt = <3300000>;
++      regulator-max-microvolt = <3300000>;
+       regulator-name = "vcc-gmac-phy";
+ };
+ 
+ &reg_dcdc1 {
+       regulator-always-on;
+-      regulator-min-microvolt = <3000000>;
+-      regulator-max-microvolt = <3000000>;
+-      regulator-name = "vcc-3v0";
++      regulator-min-microvolt = <3300000>;
++      regulator-max-microvolt = <3300000>;
++      regulator-name = "vcc-3v3";
+ };
+ 
+ &reg_dcdc2 {
+diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi 
b/arch/arm64/boot/dts/qcom/msm8916.dtsi
+index 8011e564a234b..2c5193ae20277 100644
+--- a/arch/arm64/boot/dts/qcom/msm8916.dtsi
++++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi
+@@ -877,7 +877,7 @@
+                               reg-names = "mdp_phys";
+ 
+                               interrupt-parent = <&mdss>;
+-                              interrupts = <0 0>;
++                              interrupts = <0>;
+ 
+                               clocks = <&gcc GCC_MDSS_AHB_CLK>,
+                                        <&gcc GCC_MDSS_AXI_CLK>,
+@@ -909,7 +909,7 @@
+                               reg-names = "dsi_ctrl";
+ 
+                               interrupt-parent = <&mdss>;
+-                              interrupts = <4 0>;
++                              interrupts = <4>;
+ 
+                               assigned-clocks = <&gcc BYTE0_CLK_SRC>,
+                                                 <&gcc PCLK0_CLK_SRC>;
+diff --git a/arch/arm64/boot/dts/qcom/pm8916.dtsi 
b/arch/arm64/boot/dts/qcom/pm8916.dtsi
+index 196b1c0ceb9b0..b968afa8da175 100644
+--- a/arch/arm64/boot/dts/qcom/pm8916.dtsi
++++ b/arch/arm64/boot/dts/qcom/pm8916.dtsi
+@@ -99,7 +99,7 @@
+ 
+               wcd_codec: codec@f000 {
+                       compatible = "qcom,pm8916-wcd-analog-codec";
+-                      reg = <0xf000 0x200>;
++                      reg = <0xf000>;
+                       reg-names = "pmic-codec-core";
+                       clocks = <&gcc GCC_CODEC_DIGCODEC_CLK>;
+                       clock-names = "mclk";
+diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi 
b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+index a516c0e01429a..8a885ae647b7e 100644
+--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
++++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+@@ -411,7 +411,7 @@
+               };
+ 
+               i2c0: i2c@ff020000 {
+-                      compatible = "cdns,i2c-r1p14", "cdns,i2c-r1p10";
++                      compatible = "cdns,i2c-r1p14";
+                       status = "disabled";
+                       interrupt-parent = <&gic>;
+                       interrupts = <0 17 4>;
+@@ -421,7 +421,7 @@
+               };
+ 
+               i2c1: i2c@ff030000 {
+-                      compatible = "cdns,i2c-r1p14", "cdns,i2c-r1p10";
++                      compatible = "cdns,i2c-r1p14";
+                       status = "disabled";
+                       interrupt-parent = <&gic>;
+                       interrupts = <0 18 4>;
+diff --git a/arch/powerpc/include/asm/tlb.h b/arch/powerpc/include/asm/tlb.h
+index f0e571b2dc7c8..a6073fecdacd3 100644
+--- a/arch/powerpc/include/asm/tlb.h
++++ b/arch/powerpc/include/asm/tlb.h
+@@ -76,19 +76,6 @@ static inline int mm_is_thread_local(struct mm_struct *mm)
+               return false;
+       return cpumask_test_cpu(smp_processor_id(), mm_cpumask(mm));
+ }
+-static inline void mm_reset_thread_local(struct mm_struct *mm)
+-{
+-      WARN_ON(atomic_read(&mm->context.copros) > 0);
+-      /*
+-       * It's possible for mm_access to take a reference on mm_users to
+-       * access the remote mm from another thread, but it's not allowed
+-       * to set mm_cpumask, so mm_users may be > 1 here.
+-       */
+-      WARN_ON(current->mm != mm);
+-      atomic_set(&mm->context.active_cpus, 1);
+-      cpumask_clear(mm_cpumask(mm));
+-      cpumask_set_cpu(smp_processor_id(), mm_cpumask(mm));
+-}
+ #else /* CONFIG_PPC_BOOK3S_64 */
+ static inline int mm_is_thread_local(struct mm_struct *mm)
+ {
+diff --git a/arch/powerpc/kernel/tau_6xx.c b/arch/powerpc/kernel/tau_6xx.c
+index a130473f16e5b..8ece45c2a1f64 100644
+--- a/arch/powerpc/kernel/tau_6xx.c
++++ b/arch/powerpc/kernel/tau_6xx.c
+@@ -40,7 +40,7 @@ static struct tau_temp
+       unsigned char grew;
+ } tau[NR_CPUS];
+ 
+-#undef DEBUG
++static bool tau_int_enable;
+ 
+ /* TODO: put these in a /proc interface, with some sanity checks, and maybe
+  * dynamic adjustment to minimize # of interrupts */
+@@ -54,62 +54,44 @@ static struct tau_temp
+ 
+ static void set_thresholds(unsigned long cpu)
+ {
+-#ifdef CONFIG_TAU_INT
+-      /*
+-       * setup THRM1,
+-       * threshold, valid bit, enable interrupts, interrupt when below 
threshold
+-       */
+-      mtspr(SPRN_THRM1, THRM1_THRES(tau[cpu].low) | THRM1_V | THRM1_TIE | 
THRM1_TID);
++      u32 maybe_tie = tau_int_enable ? THRM1_TIE : 0;
+ 
+-      /* setup THRM2,
+-       * threshold, valid bit, enable interrupts, interrupt when above 
threshold
+-       */
+-      mtspr (SPRN_THRM2, THRM1_THRES(tau[cpu].high) | THRM1_V | THRM1_TIE);
+-#else
+-      /* same thing but don't enable interrupts */
+-      mtspr(SPRN_THRM1, THRM1_THRES(tau[cpu].low) | THRM1_V | THRM1_TID);
+-      mtspr(SPRN_THRM2, THRM1_THRES(tau[cpu].high) | THRM1_V);
+-#endif
++      /* setup THRM1, threshold, valid bit, interrupt when below threshold */
++      mtspr(SPRN_THRM1, THRM1_THRES(tau[cpu].low) | THRM1_V | maybe_tie | 
THRM1_TID);
++
++      /* setup THRM2, threshold, valid bit, interrupt when above threshold */
++      mtspr(SPRN_THRM2, THRM1_THRES(tau[cpu].high) | THRM1_V | maybe_tie);
+ }
+ 
+ static void TAUupdate(int cpu)
+ {
+-      unsigned thrm;
+-
+-#ifdef DEBUG
+-      printk("TAUupdate ");
+-#endif
++      u32 thrm;
++      u32 bits = THRM1_TIV | THRM1_TIN | THRM1_V;
+ 
+       /* if both thresholds are crossed, the step_sizes cancel out
+        * and the window winds up getting expanded twice. */
+-      if((thrm = mfspr(SPRN_THRM1)) & THRM1_TIV){ /* is valid? */
+-              if(thrm & THRM1_TIN){ /* crossed low threshold */
+-                      if (tau[cpu].low >= step_size){
+-                              tau[cpu].low -= step_size;
+-                              tau[cpu].high -= (step_size - window_expand);
+-                      }
+-                      tau[cpu].grew = 1;
+-#ifdef DEBUG
+-                      printk("low threshold crossed ");
+-#endif
++      thrm = mfspr(SPRN_THRM1);
++      if ((thrm & bits) == bits) {
++              mtspr(SPRN_THRM1, 0);
++
++              if (tau[cpu].low >= step_size) {
++                      tau[cpu].low -= step_size;
++                      tau[cpu].high -= (step_size - window_expand);
+               }
++              tau[cpu].grew = 1;
++              pr_debug("%s: low threshold crossed\n", __func__);
+       }
+-      if((thrm = mfspr(SPRN_THRM2)) & THRM1_TIV){ /* is valid? */
+-              if(thrm & THRM1_TIN){ /* crossed high threshold */
+-                      if (tau[cpu].high <= 127-step_size){
+-                              tau[cpu].low += (step_size - window_expand);
+-                              tau[cpu].high += step_size;
+-                      }
+-                      tau[cpu].grew = 1;
+-#ifdef DEBUG
+-                      printk("high threshold crossed ");
+-#endif
++      thrm = mfspr(SPRN_THRM2);
++      if ((thrm & bits) == bits) {
++              mtspr(SPRN_THRM2, 0);
++
++              if (tau[cpu].high <= 127 - step_size) {
++                      tau[cpu].low += (step_size - window_expand);
++                      tau[cpu].high += step_size;
+               }
++              tau[cpu].grew = 1;
++              pr_debug("%s: high threshold crossed\n", __func__);
+       }
+-
+-#ifdef DEBUG
+-      printk("grew = %d\n", tau[cpu].grew);
+-#endif
+ }
+ 
+ #ifdef CONFIG_TAU_INT
+@@ -134,17 +116,16 @@ void TAUException(struct pt_regs * regs)
+ static void tau_timeout(void * info)
+ {
+       int cpu;
+-      unsigned long flags;
+       int size;
+       int shrink;
+ 
+-      /* disabling interrupts *should* be okay */
+-      local_irq_save(flags);
+       cpu = smp_processor_id();
+ 
+-#ifndef CONFIG_TAU_INT
+-      TAUupdate(cpu);
+-#endif
++      if (!tau_int_enable)
++              TAUupdate(cpu);
++
++      /* Stop thermal sensor comparisons and interrupts */
++      mtspr(SPRN_THRM3, 0);
+ 
+       size = tau[cpu].high - tau[cpu].low;
+       if (size > min_window && ! tau[cpu].grew) {
+@@ -167,18 +148,12 @@ static void tau_timeout(void * info)
+ 
+       set_thresholds(cpu);
+ 
+-      /*
+-       * Do the enable every time, since otherwise a bunch of (relatively)
+-       * complex sleep code needs to be added. One mtspr every time
+-       * tau_timeout is called is probably not a big deal.
+-       *
++      /* Restart thermal sensor comparisons and interrupts.
+        * The "PowerPC 740 and PowerPC 750 Microprocessor Datasheet"
+        * recommends that "the maximum value be set in THRM3 under all
+        * conditions."
+        */
+       mtspr(SPRN_THRM3, THRM3_SITV(0x1fff) | THRM3_E);
+-
+-      local_irq_restore(flags);
+ }
+ 
+ static struct workqueue_struct *tau_workq;
+@@ -225,6 +200,9 @@ static int __init TAU_init(void)
+               return 1;
+       }
+ 
++      tau_int_enable = IS_ENABLED(CONFIG_TAU_INT) &&
++                       !strcmp(cur_cpu_spec->platform, "ppc750");
++
+       tau_workq = alloc_workqueue("tau", WQ_UNBOUND, 1);
+       if (!tau_workq)
+               return -ENOMEM;
+@@ -234,7 +212,7 @@ static int __init TAU_init(void)
+       queue_work(tau_workq, &tau_work);
+ 
+       pr_info("Thermal assist unit using %s, shrink_timer: %d ms\n",
+-              IS_ENABLED(CONFIG_TAU_INT) ? "interrupts" : "workqueue", 
shrink_timer);
++              tau_int_enable ? "interrupts" : "workqueue", shrink_timer);
+       tau_initialized = 1;
+ 
+       return 0;
+diff --git a/arch/powerpc/mm/tlb-radix.c b/arch/powerpc/mm/tlb-radix.c
+index 1749f15fc0705..80b8fc4173de6 100644
+--- a/arch/powerpc/mm/tlb-radix.c
++++ b/arch/powerpc/mm/tlb-radix.c
+@@ -598,19 +598,29 @@ static void do_exit_flush_lazy_tlb(void *arg)
+       struct mm_struct *mm = arg;
+       unsigned long pid = mm->context.id;
+ 
++      /*
++       * A kthread could have done a mmget_not_zero() after the flushing CPU
++       * checked mm_is_singlethreaded, and be in the process of
++       * kthread_use_mm when interrupted here. In that case, current->mm will
++       * be set to mm, because kthread_use_mm() setting ->mm and switching to
++       * the mm is done with interrupts off.
++       */
+       if (current->mm == mm)
+-              return; /* Local CPU */
++              goto out_flush;
+ 
+       if (current->active_mm == mm) {
+-              /*
+-               * Must be a kernel thread because sender is single-threaded.
+-               */
+-              BUG_ON(current->mm);
++              WARN_ON_ONCE(current->mm != NULL);
++              /* Is a kernel thread and is using mm as the lazy tlb */
+               mmgrab(&init_mm);
+-              switch_mm(mm, &init_mm, current);
+               current->active_mm = &init_mm;
++              switch_mm_irqs_off(mm, &init_mm, current);
+               mmdrop(mm);
+       }
++
++      atomic_dec(&mm->context.active_cpus);
++      cpumask_clear_cpu(smp_processor_id(), mm_cpumask(mm));
++
++out_flush:
+       _tlbiel_pid(pid, RIC_FLUSH_ALL);
+ }
+ 
+@@ -625,7 +635,6 @@ static void exit_flush_lazy_tlbs(struct mm_struct *mm)
+        */
+       smp_call_function_many(mm_cpumask(mm), do_exit_flush_lazy_tlb,
+                               (void *)mm, 1);
+-      mm_reset_thread_local(mm);
+ }
+ 
+ void radix__flush_tlb_mm(struct mm_struct *mm)
+diff --git a/arch/powerpc/perf/hv-gpci-requests.h 
b/arch/powerpc/perf/hv-gpci-requests.h
+index e608f9db12ddc..8965b4463d433 100644
+--- a/arch/powerpc/perf/hv-gpci-requests.h
++++ b/arch/powerpc/perf/hv-gpci-requests.h
+@@ -95,7 +95,7 @@ REQUEST(__field(0,   8,      partition_id)
+ 
+ #define REQUEST_NAME system_performance_capabilities
+ #define REQUEST_NUM 0x40
+-#define REQUEST_IDX_KIND "starting_index=0xffffffffffffffff"
++#define REQUEST_IDX_KIND "starting_index=0xffffffff"
+ #include I(REQUEST_BEGIN)
+ REQUEST(__field(0,    1,      perf_collect_privileged)
+       __field(0x1,    1,      capability_mask)
+@@ -223,7 +223,7 @@ REQUEST(__field(0, 2, partition_id)
+ 
+ #define REQUEST_NAME system_hypervisor_times
+ #define REQUEST_NUM 0xF0
+-#define REQUEST_IDX_KIND "starting_index=0xffffffffffffffff"
++#define REQUEST_IDX_KIND "starting_index=0xffffffff"
+ #include I(REQUEST_BEGIN)
+ REQUEST(__count(0,    8,      time_spent_to_dispatch_virtual_processors)
+       __count(0x8,    8,      time_spent_processing_virtual_processor_timers)
+@@ -234,7 +234,7 @@ REQUEST(__count(0, 8,      
time_spent_to_dispatch_virtual_processors)
+ 
+ #define REQUEST_NAME system_tlbie_count_and_time
+ #define REQUEST_NUM 0xF4
+-#define REQUEST_IDX_KIND "starting_index=0xffffffffffffffff"
++#define REQUEST_IDX_KIND "starting_index=0xffffffff"
+ #include I(REQUEST_BEGIN)
+ REQUEST(__count(0,    8,      tlbie_instructions_issued)
+       /*
+diff --git a/arch/powerpc/perf/isa207-common.c 
b/arch/powerpc/perf/isa207-common.c
+index 053b8e9aa9e75..69a2dc2b16cf1 100644
+--- a/arch/powerpc/perf/isa207-common.c
++++ b/arch/powerpc/perf/isa207-common.c
+@@ -273,6 +273,15 @@ int isa207_get_constraint(u64 event, unsigned long 
*maskp, unsigned long *valp)
+ 
+               mask  |= CNST_PMC_MASK(pmc);
+               value |= CNST_PMC_VAL(pmc);
++
++              /*
++               * PMC5 and PMC6 are used to count cycles and instructions and
++               * they do not support most of the constraint bits. Add a check
++               * to exclude PMC5/6 from most of the constraints except for
++               * EBB/BHRB.
++               */
++              if (pmc >= 5)
++                      goto ebb_bhrb;
+       }
+ 
+       if (pmc <= 4) {
+@@ -331,6 +340,7 @@ int isa207_get_constraint(u64 event, unsigned long *maskp, 
unsigned long *valp)
+               }
+       }
+ 
++ebb_bhrb:
+       if (!pmc && ebb)
+               /* EBB events must specify the PMC */
+               return -1;
+diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
+index 14ef17e10ec9a..9914544e66774 100644
+--- a/arch/powerpc/platforms/Kconfig
++++ b/arch/powerpc/platforms/Kconfig
+@@ -238,12 +238,11 @@ config TAU
+         temperature within 2-4 degrees Celsius. This option shows the current
+         on-die temperature in /proc/cpuinfo if the cpu supports it.
+ 
+-        Unfortunately, on some chip revisions, this sensor is very inaccurate
+-        and in many cases, does not work at all, so don't assume the cpu
+-        temp is actually what /proc/cpuinfo says it is.
++        Unfortunately, this sensor is very inaccurate when uncalibrated, so
++        don't assume the cpu temp is actually what /proc/cpuinfo says it is.
+ 
+ config TAU_INT
+-      bool "Interrupt driven TAU driver (DANGEROUS)"
++      bool "Interrupt driven TAU driver (EXPERIMENTAL)"
+       depends on TAU
+       ---help---
+         The TAU supports an interrupt driven mode which causes an interrupt
+@@ -251,12 +250,7 @@ config TAU_INT
+         to get notified the temp has exceeded a range. With this option off,
+         a timer is used to re-check the temperature periodically.
+ 
+-        However, on some cpus it appears that the TAU interrupt hardware
+-        is buggy and can cause a situation which would lead unexplained hard
+-        lockups.
+-
+-        Unless you are extending the TAU driver, or enjoy kernel/hardware
+-        debugging, leave this option off.
++        If in doubt, say N here.
+ 
+ config TAU_AVERAGE
+       bool "Average high and low temp"
+diff --git a/arch/powerpc/platforms/powernv/opal-dump.c 
b/arch/powerpc/platforms/powernv/opal-dump.c
+index 198143833f00d..1dc2122a3cf51 100644
+--- a/arch/powerpc/platforms/powernv/opal-dump.c
++++ b/arch/powerpc/platforms/powernv/opal-dump.c
+@@ -322,15 +322,14 @@ static ssize_t dump_attr_read(struct file *filep, struct 
kobject *kobj,
+       return count;
+ }
+ 
+-static struct dump_obj *create_dump_obj(uint32_t id, size_t size,
+-                                      uint32_t type)
++static void create_dump_obj(uint32_t id, size_t size, uint32_t type)
+ {
+       struct dump_obj *dump;
+       int rc;
+ 
+       dump = kzalloc(sizeof(*dump), GFP_KERNEL);
+       if (!dump)
+-              return NULL;
++              return;
+ 
+       dump->kobj.kset = dump_kset;
+ 
+@@ -350,21 +349,39 @@ static struct dump_obj *create_dump_obj(uint32_t id, 
size_t size,
+       rc = kobject_add(&dump->kobj, NULL, "0x%x-0x%x", type, id);
+       if (rc) {
+               kobject_put(&dump->kobj);
+-              return NULL;
++              return;
+       }
+ 
++      /*
++       * As soon as the sysfs file for this dump is created/activated there is
++       * a chance the opal_errd daemon (or any userspace) might read and
++       * acknowledge the dump before kobject_uevent() is called. If that
++       * happens then there is a potential race between
++       * dump_ack_store->kobject_put() and kobject_uevent() which leads to a
++       * use-after-free of a kernfs object resulting in a kernel crash.
++       *
++       * To avoid that, we need to take a reference on behalf of the bin file,
++       * so that our reference remains valid while we call kobject_uevent().
++       * We then drop our reference before exiting the function, leaving the
++       * bin file to drop the last reference (if it hasn't already).
++       */
++
++      /* Take a reference for the bin file */
++      kobject_get(&dump->kobj);
+       rc = sysfs_create_bin_file(&dump->kobj, &dump->dump_attr);
+-      if (rc) {
++      if (rc == 0) {
++              kobject_uevent(&dump->kobj, KOBJ_ADD);
++
++              pr_info("%s: New platform dump. ID = 0x%x Size %u\n",
++                      __func__, dump->id, dump->size);
++      } else {
++              /* Drop reference count taken for bin file */
+               kobject_put(&dump->kobj);
+-              return NULL;
+       }
+ 
+-      pr_info("%s: New platform dump. ID = 0x%x Size %u\n",
+-              __func__, dump->id, dump->size);
+-
+-      kobject_uevent(&dump->kobj, KOBJ_ADD);
+-
+-      return dump;
++      /* Drop our reference */
++      kobject_put(&dump->kobj);
++      return;
+ }
+ 
+ static irqreturn_t process_dump(int irq, void *data)
+diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
+index 210eabd71ab23..670c2aedcefab 100644
+--- a/arch/x86/kvm/emulate.c
++++ b/arch/x86/kvm/emulate.c
+@@ -3561,7 +3561,7 @@ static int em_rdpid(struct x86_emulate_ctxt *ctxt)
+       u64 tsc_aux = 0;
+ 
+       if (ctxt->ops->get_msr(ctxt, MSR_TSC_AUX, &tsc_aux))
+-              return emulate_gp(ctxt, 0);
++              return emulate_ud(ctxt);
+       ctxt->dst.val = tsc_aux;
+       return X86EMUL_CONTINUE;
+ }
+diff --git a/block/blk-core.c b/block/blk-core.c
+index ce3710404544c..445b878e35194 100644
+--- a/block/blk-core.c
++++ b/block/blk-core.c
+@@ -2127,11 +2127,10 @@ static void handle_bad_sector(struct bio *bio, 
sector_t maxsector)
+ {
+       char b[BDEVNAME_SIZE];
+ 
+-      printk(KERN_INFO "attempt to access beyond end of device\n");
+-      printk(KERN_INFO "%s: rw=%d, want=%Lu, limit=%Lu\n",
+-                      bio_devname(bio, b), bio->bi_opf,
+-                      (unsigned long long)bio_end_sector(bio),
+-                      (long long)maxsector);
++      pr_info_ratelimited("attempt to access beyond end of device\n"
++                          "%s: rw=%d, want=%llu, limit=%llu\n",
++                          bio_devname(bio, b), bio->bi_opf,
++                          bio_end_sector(bio), maxsector);
+ }
+ 
+ #ifdef CONFIG_FAIL_MAKE_REQUEST
+diff --git a/drivers/clk/at91/clk-main.c b/drivers/clk/at91/clk-main.c
+index 90988e7a5b47f..2e7da9b379d48 100644
+--- a/drivers/clk/at91/clk-main.c
++++ b/drivers/clk/at91/clk-main.c
+@@ -517,12 +517,17 @@ static int clk_sam9x5_main_set_parent(struct clk_hw *hw, 
u8 index)
+               return -EINVAL;
+ 
+       regmap_read(regmap, AT91_CKGR_MOR, &tmp);
+-      tmp &= ~MOR_KEY_MASK;
+ 
+       if (index && !(tmp & AT91_PMC_MOSCSEL))
+-              regmap_write(regmap, AT91_CKGR_MOR, tmp | AT91_PMC_MOSCSEL);
++              tmp = AT91_PMC_MOSCSEL;
+       else if (!index && (tmp & AT91_PMC_MOSCSEL))
+-              regmap_write(regmap, AT91_CKGR_MOR, tmp & ~AT91_PMC_MOSCSEL);
++              tmp = 0;
++      else
++              return 0;
++
++      regmap_update_bits(regmap, AT91_CKGR_MOR,
++                         AT91_PMC_MOSCSEL | MOR_KEY_MASK,
++                         tmp | AT91_PMC_KEY);
+ 
+       while (!clk_sam9x5_main_ready(regmap))
+               cpu_relax();
+diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c
+index 1c093fb35ebee..e4fee233849d2 100644
+--- a/drivers/clk/bcm/clk-bcm2835.c
++++ b/drivers/clk/bcm/clk-bcm2835.c
+@@ -1319,8 +1319,10 @@ static struct clk_hw *bcm2835_register_pll(struct 
bcm2835_cprman *cprman,
+       pll->hw.init = &init;
+ 
+       ret = devm_clk_hw_register(cprman->dev, &pll->hw);
+-      if (ret)
++      if (ret) {
++              kfree(pll);
+               return NULL;
++      }
+       return &pll->hw;
+ }
+ 
+diff --git a/drivers/clk/rockchip/clk-half-divider.c 
b/drivers/clk/rockchip/clk-half-divider.c
+index b8da6e799423a..6a371d05218da 100644
+--- a/drivers/clk/rockchip/clk-half-divider.c
++++ b/drivers/clk/rockchip/clk-half-divider.c
+@@ -166,7 +166,7 @@ struct clk *rockchip_clk_register_halfdiv(const char *name,
+                                         unsigned long flags,
+                                         spinlock_t *lock)
+ {
+-      struct clk *clk;
++      struct clk *clk = ERR_PTR(-ENOMEM);
+       struct clk_mux *mux = NULL;
+       struct clk_gate *gate = NULL;
+       struct clk_divider *div = NULL;
+diff --git a/drivers/cpufreq/powernv-cpufreq.c 
b/drivers/cpufreq/powernv-cpufreq.c
+index 79942f7057576..5da985604692f 100644
+--- a/drivers/cpufreq/powernv-cpufreq.c
++++ b/drivers/cpufreq/powernv-cpufreq.c
+@@ -885,12 +885,15 @@ static int powernv_cpufreq_reboot_notifier(struct 
notifier_block *nb,
+                               unsigned long action, void *unused)
+ {
+       int cpu;
+-      struct cpufreq_policy cpu_policy;
++      struct cpufreq_policy *cpu_policy;
+ 
+       rebooting = true;
+       for_each_online_cpu(cpu) {
+-              cpufreq_get_policy(&cpu_policy, cpu);
+-              powernv_cpufreq_target_index(&cpu_policy, get_nominal_index());
++              cpu_policy = cpufreq_cpu_get(cpu);
++              if (!cpu_policy)
++                      continue;
++              powernv_cpufreq_target_index(cpu_policy, get_nominal_index());
++              cpufreq_cpu_put(cpu_policy);
+       }
+ 
+       return NOTIFY_DONE;
+diff --git a/drivers/crypto/ccp/ccp-ops.c b/drivers/crypto/ccp/ccp-ops.c
+index 626b643d610eb..20ca9c9e109e0 100644
+--- a/drivers/crypto/ccp/ccp-ops.c
++++ b/drivers/crypto/ccp/ccp-ops.c
+@@ -1752,7 +1752,7 @@ ccp_run_sha_cmd(struct ccp_cmd_queue *cmd_q, struct 
ccp_cmd *cmd)
+                       break;
+               default:
+                       ret = -EINVAL;
+-                      goto e_ctx;
++                      goto e_data;
+               }
+       } else {
+               /* Stash the context */
+diff --git a/drivers/gpu/drm/virtio/virtgpu_kms.c 
b/drivers/gpu/drm/virtio/virtgpu_kms.c
+index 65060c08522d7..22397a23780c0 100644
+--- a/drivers/gpu/drm/virtio/virtgpu_kms.c
++++ b/drivers/gpu/drm/virtio/virtgpu_kms.c
+@@ -113,8 +113,10 @@ static void virtio_gpu_get_capsets(struct 
virtio_gpu_device *vgdev,
+                                        vgdev->capsets[i].id > 0, 5 * HZ);
+               if (ret == 0) {
+                       DRM_ERROR("timed out waiting for cap set %d\n", i);
++                      spin_lock(&vgdev->display_info_lock);
+                       kfree(vgdev->capsets);
+                       vgdev->capsets = NULL;
++                      spin_unlock(&vgdev->display_info_lock);
+                       return;
+               }
+               DRM_INFO("cap set %d: id %d, max-version %d, max-size %d\n",
+diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c 
b/drivers/gpu/drm/virtio/virtgpu_vq.c
+index 608906f06cedd..3e72c6dac0ffe 100644
+--- a/drivers/gpu/drm/virtio/virtgpu_vq.c
++++ b/drivers/gpu/drm/virtio/virtgpu_vq.c
+@@ -566,9 +566,13 @@ static void virtio_gpu_cmd_get_capset_info_cb(struct 
virtio_gpu_device *vgdev,
+       int i = le32_to_cpu(cmd->capset_index);
+ 
+       spin_lock(&vgdev->display_info_lock);
+-      vgdev->capsets[i].id = le32_to_cpu(resp->capset_id);
+-      vgdev->capsets[i].max_version = le32_to_cpu(resp->capset_max_version);
+-      vgdev->capsets[i].max_size = le32_to_cpu(resp->capset_max_size);
++      if (vgdev->capsets) {
++              vgdev->capsets[i].id = le32_to_cpu(resp->capset_id);
++              vgdev->capsets[i].max_version = 
le32_to_cpu(resp->capset_max_version);
++              vgdev->capsets[i].max_size = le32_to_cpu(resp->capset_max_size);
++      } else {
++              DRM_ERROR("invalid capset memory.");
++      }
+       spin_unlock(&vgdev->display_info_lock);
+       wake_up(&vgdev->resp_wq);
+ }
+diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
+index ee6dd1b84fac8..017aec34a238d 100644
+--- a/drivers/i2c/busses/Kconfig
++++ b/drivers/i2c/busses/Kconfig
+@@ -1117,6 +1117,7 @@ config I2C_RCAR
+       tristate "Renesas R-Car I2C Controller"
+       depends on ARCH_RENESAS || COMPILE_TEST
+       select I2C_SLAVE
++      select RESET_CONTROLLER if ARCH_RCAR_GEN3
+       help
+         If you say yes to this option, support will be included for the
+         R-Car I2C controller.
+diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c
+index eb05693593875..8ba4122fb3404 100644
+--- a/drivers/i2c/i2c-core-acpi.c
++++ b/drivers/i2c/i2c-core-acpi.c
+@@ -219,6 +219,7 @@ static acpi_status i2c_acpi_add_device(acpi_handle handle, 
u32 level,
+ void i2c_acpi_register_devices(struct i2c_adapter *adap)
+ {
+       acpi_status status;
++      acpi_handle handle;
+ 
+       if (!has_acpi_companion(&adap->dev))
+               return;
+@@ -229,6 +230,15 @@ void i2c_acpi_register_devices(struct i2c_adapter *adap)
+                                    adap, NULL);
+       if (ACPI_FAILURE(status))
+               dev_warn(&adap->dev, "failed to enumerate I2C slaves\n");
++
++      if (!adap->dev.parent)
++              return;
++
++      handle = ACPI_HANDLE(adap->dev.parent);
++      if (!handle)
++              return;
++
++      acpi_walk_dep_device_list(handle);
+ }
+ 
+ const struct acpi_device_id *
+@@ -693,7 +703,6 @@ int i2c_acpi_install_space_handler(struct i2c_adapter 
*adapter)
+               return -ENOMEM;
+       }
+ 
+-      acpi_walk_dep_device_list(handle);
+       return 0;
+ }
+ 
+diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
+index 1f14cd4ce3db5..8cdf933310d15 100644
+--- a/drivers/infiniband/core/cma.c
++++ b/drivers/infiniband/core/cma.c
+@@ -1678,19 +1678,30 @@ static void cma_release_port(struct rdma_id_private 
*id_priv)
+       mutex_unlock(&lock);
+ }
+ 
+-static void cma_leave_roce_mc_group(struct rdma_id_private *id_priv,
+-                                  struct cma_multicast *mc)
++static void destroy_mc(struct rdma_id_private *id_priv,
++                     struct cma_multicast *mc)
+ {
+-      struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr;
+-      struct net_device *ndev = NULL;
++      if (rdma_cap_ib_mcast(id_priv->id.device, id_priv->id.port_num)) {
++              ib_sa_free_multicast(mc->multicast.ib);
++              kfree(mc);
++              return;
++      }
+ 
+-      if (dev_addr->bound_dev_if)
+-              ndev = dev_get_by_index(dev_addr->net, dev_addr->bound_dev_if);
+-      if (ndev) {
+-              cma_igmp_send(ndev, &mc->multicast.ib->rec.mgid, false);
+-              dev_put(ndev);
++      if (rdma_protocol_roce(id_priv->id.device,
++                                    id_priv->id.port_num)) {
++              struct rdma_dev_addr *dev_addr =
++                      &id_priv->id.route.addr.dev_addr;
++              struct net_device *ndev = NULL;
++
++              if (dev_addr->bound_dev_if)
++                      ndev = dev_get_by_index(dev_addr->net,
++                                              dev_addr->bound_dev_if);
++              if (ndev) {
++                      cma_igmp_send(ndev, &mc->multicast.ib->rec.mgid, false);
++                      dev_put(ndev);
++              }
++              kref_put(&mc->mcref, release_mc);
+       }
+-      kref_put(&mc->mcref, release_mc);
+ }
+ 
+ static void cma_leave_mc_groups(struct rdma_id_private *id_priv)
+@@ -1698,16 +1709,10 @@ static void cma_leave_mc_groups(struct rdma_id_private 
*id_priv)
+       struct cma_multicast *mc;
+ 
+       while (!list_empty(&id_priv->mc_list)) {
+-              mc = container_of(id_priv->mc_list.next,
+-                                struct cma_multicast, list);
++              mc = list_first_entry(&id_priv->mc_list, struct cma_multicast,
++                                    list);
+               list_del(&mc->list);
+-              if (rdma_cap_ib_mcast(id_priv->cma_dev->device,
+-                                    id_priv->id.port_num)) {
+-                      ib_sa_free_multicast(mc->multicast.ib);
+-                      kfree(mc);
+-              } else {
+-                      cma_leave_roce_mc_group(id_priv, mc);
+-              }
++              destroy_mc(id_priv, mc);
+       }
+ }
+ 
+@@ -4020,16 +4025,6 @@ static int cma_ib_mc_handler(int status, struct 
ib_sa_multicast *multicast)
+       else
+               pr_debug_ratelimited("RDMA CM: MULTICAST_ERROR: failed to join 
multicast. status %d\n",
+                                    status);
+-      mutex_lock(&id_priv->qp_mutex);
+-      if (!status && id_priv->id.qp) {
+-              status = ib_attach_mcast(id_priv->id.qp, &multicast->rec.mgid,
+-                                       be16_to_cpu(multicast->rec.mlid));
+-              if (status)
+-                      pr_debug_ratelimited("RDMA CM: MULTICAST_ERROR: failed 
to attach QP. status %d\n",
+-                                           status);
+-      }
+-      mutex_unlock(&id_priv->qp_mutex);
+-
+       event.status = status;
+       event.param.ud.private_data = mc->context;
+       if (!status) {
+@@ -4283,6 +4278,10 @@ int rdma_join_multicast(struct rdma_cm_id *id, struct 
sockaddr *addr,
+       struct cma_multicast *mc;
+       int ret;
+ 
++      /* Not supported for kernel QPs */
++      if (WARN_ON(id->qp))
++              return -EINVAL;
++
+       if (!id->device)
+               return -EINVAL;
+ 
+@@ -4333,25 +4332,14 @@ void rdma_leave_multicast(struct rdma_cm_id *id, 
struct sockaddr *addr)
+       id_priv = container_of(id, struct rdma_id_private, id);
+       spin_lock_irq(&id_priv->lock);
+       list_for_each_entry(mc, &id_priv->mc_list, list) {
+-              if (!memcmp(&mc->addr, addr, rdma_addr_size(addr))) {
+-                      list_del(&mc->list);
+-                      spin_unlock_irq(&id_priv->lock);
+-
+-                      if (id->qp)
+-                              ib_detach_mcast(id->qp,
+-                                              &mc->multicast.ib->rec.mgid,
+-                                              
be16_to_cpu(mc->multicast.ib->rec.mlid));
+-
+-                      BUG_ON(id_priv->cma_dev->device != id->device);
+-
+-                      if (rdma_cap_ib_mcast(id->device, id->port_num)) {
+-                              ib_sa_free_multicast(mc->multicast.ib);
+-                              kfree(mc);
+-                      } else if (rdma_protocol_roce(id->device, 
id->port_num)) {
+-                              cma_leave_roce_mc_group(id_priv, mc);
+-                      }
+-                      return;
+-              }
++              if (memcmp(&mc->addr, addr, rdma_addr_size(addr)) != 0)
++                      continue;
++              list_del(&mc->list);
++              spin_unlock_irq(&id_priv->lock);
++
++              WARN_ON(id_priv->cma_dev->device != id->device);
++              destroy_mc(id_priv, mc);
++              return;
+       }
+       spin_unlock_irq(&id_priv->lock);
+ }
+diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c 
b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
+index 081aa91fc162d..620eaca2b8314 100644
+--- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
++++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
+@@ -274,7 +274,6 @@ static int hns_roce_v1_post_send(struct ib_qp *ibqp,
+                               ps_opcode = HNS_ROCE_WQE_OPCODE_SEND;
+                               break;
+                       case IB_WR_LOCAL_INV:
+-                              break;
+                       case IB_WR_ATOMIC_CMP_AND_SWP:
+                       case IB_WR_ATOMIC_FETCH_AND_ADD:
+                       case IB_WR_LSO:
+diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c 
b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+index 417de7ac0d5e2..2a203e08d4c1a 100644
+--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
++++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+@@ -3821,6 +3821,7 @@ done:
+       }
+ 
+       qp_init_attr->cap = qp_attr->cap;
++      qp_init_attr->sq_sig_type = hr_qp->sq_signal_bits;
+ 
+ out:
+       mutex_unlock(&hr_qp->mutex);
+diff --git a/drivers/infiniband/sw/rdmavt/vt.c 
b/drivers/infiniband/sw/rdmavt/vt.c
+index 17e4abc067afa..541ee30727aa0 100644
+--- a/drivers/infiniband/sw/rdmavt/vt.c
++++ b/drivers/infiniband/sw/rdmavt/vt.c
+@@ -95,9 +95,7 @@ struct rvt_dev_info *rvt_alloc_device(size_t size, int 
nports)
+       if (!rdi)
+               return rdi;
+ 
+-      rdi->ports = kcalloc(nports,
+-                           sizeof(struct rvt_ibport **),
+-                           GFP_KERNEL);
++      rdi->ports = kcalloc(nports, sizeof(*rdi->ports), GFP_KERNEL);
+       if (!rdi->ports)
+               ib_dealloc_device(&rdi->ibdev);
+ 
+diff --git a/drivers/input/keyboard/ep93xx_keypad.c 
b/drivers/input/keyboard/ep93xx_keypad.c
+index f77b295e0123e..01788a78041b3 100644
+--- a/drivers/input/keyboard/ep93xx_keypad.c
++++ b/drivers/input/keyboard/ep93xx_keypad.c
+@@ -257,8 +257,8 @@ static int ep93xx_keypad_probe(struct platform_device 
*pdev)
+       }
+ 
+       keypad->irq = platform_get_irq(pdev, 0);
+-      if (!keypad->irq) {
+-              err = -ENXIO;
++      if (keypad->irq < 0) {
++              err = keypad->irq;
+               goto failed_free;
+       }
+ 
+diff --git a/drivers/input/keyboard/omap4-keypad.c 
b/drivers/input/keyboard/omap4-keypad.c
+index 840e53732753f..aeeef50cef9bb 100644
+--- a/drivers/input/keyboard/omap4-keypad.c
++++ b/drivers/input/keyboard/omap4-keypad.c
+@@ -253,10 +253,8 @@ static int omap4_keypad_probe(struct platform_device 
*pdev)
+       }
+ 
+       irq = platform_get_irq(pdev, 0);
+-      if (!irq) {
+-              dev_err(&pdev->dev, "no keyboard irq assigned\n");
+-              return -EINVAL;
+-      }
++      if (irq < 0)
++              return irq;
+ 
+       keypad_data = kzalloc(sizeof(struct omap4_keypad), GFP_KERNEL);
+       if (!keypad_data) {
+diff --git a/drivers/input/keyboard/twl4030_keypad.c 
b/drivers/input/keyboard/twl4030_keypad.c
+index f9f98ef1d98e3..8677dbe0fd209 100644
+--- a/drivers/input/keyboard/twl4030_keypad.c
++++ b/drivers/input/keyboard/twl4030_keypad.c
+@@ -63,7 +63,7 @@ struct twl4030_keypad {
+       bool            autorepeat;
+       unsigned int    n_rows;
+       unsigned int    n_cols;
+-      unsigned int    irq;
++      int             irq;
+ 
+       struct device *dbg_dev;
+       struct input_dev *input;
+@@ -389,10 +389,8 @@ static int twl4030_kp_probe(struct platform_device *pdev)
+       }
+ 
+       kp->irq = platform_get_irq(pdev, 0);
+-      if (!kp->irq) {
+-              dev_err(&pdev->dev, "no keyboard irq assigned\n");
+-              return -EINVAL;
+-      }
++      if (kp->irq < 0)
++              return kp->irq;
+ 
+       error = matrix_keypad_build_keymap(keymap_data, NULL,
+                                          TWL4030_MAX_ROWS,
+diff --git a/drivers/input/serio/sun4i-ps2.c b/drivers/input/serio/sun4i-ps2.c
+index 04b96fe393397..46512b4d686a8 100644
+--- a/drivers/input/serio/sun4i-ps2.c
++++ b/drivers/input/serio/sun4i-ps2.c
+@@ -210,7 +210,6 @@ static int sun4i_ps2_probe(struct platform_device *pdev)
+       struct sun4i_ps2data *drvdata;
+       struct serio *serio;
+       struct device *dev = &pdev->dev;
+-      unsigned int irq;
+       int error;
+ 
+       drvdata = kzalloc(sizeof(struct sun4i_ps2data), GFP_KERNEL);
+@@ -263,14 +262,12 @@ static int sun4i_ps2_probe(struct platform_device *pdev)
+       writel(0, drvdata->reg_base + PS2_REG_GCTL);
+ 
+       /* Get IRQ for the device */
+-      irq = platform_get_irq(pdev, 0);
+-      if (!irq) {
+-              dev_err(dev, "no IRQ found\n");
+-              error = -ENXIO;
++      drvdata->irq = platform_get_irq(pdev, 0);
++      if (drvdata->irq < 0) {
++              error = drvdata->irq;
+               goto err_disable_clk;
+       }
+ 
+-      drvdata->irq = irq;
+       drvdata->serio = serio;
+       drvdata->dev = dev;
+ 
+diff --git a/drivers/input/touchscreen/imx6ul_tsc.c 
b/drivers/input/touchscreen/imx6ul_tsc.c
+index c10fc594f94d9..6bfe42a11452a 100644
+--- a/drivers/input/touchscreen/imx6ul_tsc.c
++++ b/drivers/input/touchscreen/imx6ul_tsc.c
+@@ -538,20 +538,25 @@ static int __maybe_unused imx6ul_tsc_resume(struct 
device *dev)
+ 
+       mutex_lock(&input_dev->mutex);
+ 
+-      if (input_dev->users) {
+-              retval = clk_prepare_enable(tsc->adc_clk);
+-              if (retval)
+-                      goto out;
+-
+-              retval = clk_prepare_enable(tsc->tsc_clk);
+-              if (retval) {
+-                      clk_disable_unprepare(tsc->adc_clk);
+-                      goto out;
+-              }
++      if (!input_dev->users)
++              goto out;
+ 
+-              retval = imx6ul_tsc_init(tsc);
++      retval = clk_prepare_enable(tsc->adc_clk);
++      if (retval)
++              goto out;
++
++      retval = clk_prepare_enable(tsc->tsc_clk);
++      if (retval) {
++              clk_disable_unprepare(tsc->adc_clk);
++              goto out;
+       }
+ 
++      retval = imx6ul_tsc_init(tsc);
++      if (retval) {
++              clk_disable_unprepare(tsc->tsc_clk);
++              clk_disable_unprepare(tsc->adc_clk);
++              goto out;
++      }
+ out:
+       mutex_unlock(&input_dev->mutex);
+       return retval;
+diff --git a/drivers/input/touchscreen/stmfts.c 
b/drivers/input/touchscreen/stmfts.c
+index b6f95f20f9244..cd8805d71d977 100644
+--- a/drivers/input/touchscreen/stmfts.c
++++ b/drivers/input/touchscreen/stmfts.c
+@@ -479,7 +479,7 @@ static ssize_t stmfts_sysfs_hover_enable_write(struct 
device *dev,
+ 
+       mutex_lock(&sdata->mutex);
+ 
+-      if (value & sdata->hover_enabled)
++      if (value && sdata->hover_enabled)
+               goto out;
+ 
+       if (sdata->running)
+diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c
+index 055c90b8253cb..10a559cfb7ea3 100644
+--- a/drivers/mailbox/mailbox.c
++++ b/drivers/mailbox/mailbox.c
+@@ -85,9 +85,12 @@ static void msg_submit(struct mbox_chan *chan)
+ exit:
+       spin_unlock_irqrestore(&chan->lock, flags);
+ 
+-      if (!err && (chan->txdone_method & TXDONE_BY_POLL))
+-              /* kick start the timer immediately to avoid delays */
+-              hrtimer_start(&chan->mbox->poll_hrt, 0, HRTIMER_MODE_REL);
++      /* kick start the timer immediately to avoid delays */
++      if (!err && (chan->txdone_method & TXDONE_BY_POLL)) {
++              /* but only if not already active */
++              if (!hrtimer_active(&chan->mbox->poll_hrt))
++                      hrtimer_start(&chan->mbox->poll_hrt, 0, 
HRTIMER_MODE_REL);
++      }
+ }
+ 
+ static void tx_tick(struct mbox_chan *chan, int r)
+@@ -125,11 +128,10 @@ static enum hrtimer_restart txdone_hrtimer(struct 
hrtimer *hrtimer)
+               struct mbox_chan *chan = &mbox->chans[i];
+ 
+               if (chan->active_req && chan->cl) {
++                      resched = true;
+                       txdone = chan->mbox->ops->last_tx_done(chan);
+                       if (txdone)
+                               tx_tick(chan, 0);
+-                      else
+-                              resched = true;
+               }
+       }
+ 
+diff --git a/drivers/media/firewire/firedtv-fw.c 
b/drivers/media/firewire/firedtv-fw.c
+index eaf94b817dbc0..2ac9d24d3f0cd 100644
+--- a/drivers/media/firewire/firedtv-fw.c
++++ b/drivers/media/firewire/firedtv-fw.c
+@@ -271,8 +271,10 @@ static int node_probe(struct fw_unit *unit, const struct 
ieee1394_device_id *id)
+ 
+       name_len = fw_csr_string(unit->directory, CSR_MODEL,
+                                name, sizeof(name));
+-      if (name_len < 0)
+-              return name_len;
++      if (name_len < 0) {
++              err = name_len;
++              goto fail_free;
++      }
+       for (i = ARRAY_SIZE(model_names); --i; )
+               if (strlen(model_names[i]) <= name_len &&
+                   strncmp(name, model_names[i], name_len) == 0)
+diff --git a/drivers/media/pci/bt8xx/bttv-driver.c 
b/drivers/media/pci/bt8xx/bttv-driver.c
+index cf05e11da01b0..4c042ba6de918 100644
+--- a/drivers/media/pci/bt8xx/bttv-driver.c
++++ b/drivers/media/pci/bt8xx/bttv-driver.c
+@@ -4055,11 +4055,13 @@ static int bttv_probe(struct pci_dev *dev, const 
struct pci_device_id *pci_id)
+       btv->id  = dev->device;
+       if (pci_enable_device(dev)) {
+               pr_warn("%d: Can't enable device\n", btv->c.nr);
+-              return -EIO;
++              result = -EIO;
++              goto free_mem;
+       }
+       if (pci_set_dma_mask(dev, DMA_BIT_MASK(32))) {
+               pr_warn("%d: No suitable DMA available\n", btv->c.nr);
+-              return -EIO;
++              result = -EIO;
++              goto free_mem;
+       }
+       if (!request_mem_region(pci_resource_start(dev,0),
+                               pci_resource_len(dev,0),
+@@ -4067,7 +4069,8 @@ static int bttv_probe(struct pci_dev *dev, const struct 
pci_device_id *pci_id)
+               pr_warn("%d: can't request iomem (0x%llx)\n",
+                       btv->c.nr,
+                       (unsigned long long)pci_resource_start(dev, 0));
+-              return -EBUSY;
++              result = -EBUSY;
++              goto free_mem;
+       }
+       pci_set_master(dev);
+       pci_set_command(dev);
+@@ -4253,6 +4256,10 @@ fail0:
+       release_mem_region(pci_resource_start(btv->c.pci,0),
+                          pci_resource_len(btv->c.pci,0));
+       pci_disable_device(btv->c.pci);
++
++free_mem:
++      bttvs[btv->c.nr] = NULL;
++      kfree(btv);
+       return result;
+ }
+ 
+diff --git a/drivers/media/pci/saa7134/saa7134-tvaudio.c 
b/drivers/media/pci/saa7134/saa7134-tvaudio.c
+index 68d400e1e240e..8c3da6f7a60f1 100644
+--- a/drivers/media/pci/saa7134/saa7134-tvaudio.c
++++ b/drivers/media/pci/saa7134/saa7134-tvaudio.c
+@@ -693,7 +693,8 @@ int saa_dsp_writel(struct saa7134_dev *dev, int reg, u32 
value)
+ {
+       int err;
+ 
+-      audio_dbg(2, "dsp write reg 0x%x = 0x%06x\n", reg << 2, value);
++      audio_dbg(2, "dsp write reg 0x%x = 0x%06x\n",
++                (reg << 2) & 0xffffffff, value);
+       err = saa_dsp_wait_bit(dev,SAA7135_DSP_RWSTATE_WRR);
+       if (err < 0)
+               return err;
+diff --git a/drivers/media/platform/exynos4-is/fimc-isp.c 
b/drivers/media/platform/exynos4-is/fimc-isp.c
+index 9a48c0f69320b..1dbebdc1c2f87 100644
+--- a/drivers/media/platform/exynos4-is/fimc-isp.c
++++ b/drivers/media/platform/exynos4-is/fimc-isp.c
+@@ -311,8 +311,10 @@ static int fimc_isp_subdev_s_power(struct v4l2_subdev 
*sd, int on)
+ 
+       if (on) {
+               ret = pm_runtime_get_sync(&is->pdev->dev);
+-              if (ret < 0)
++              if (ret < 0) {
++                      pm_runtime_put(&is->pdev->dev);
+                       return ret;
++              }
+               set_bit(IS_ST_PWR_ON, &is->state);
+ 
+               ret = fimc_is_start_firmware(is);
+diff --git a/drivers/media/platform/exynos4-is/fimc-lite.c 
b/drivers/media/platform/exynos4-is/fimc-lite.c
+index 70d5f5586a5d5..10fe7d2e8790c 100644
+--- a/drivers/media/platform/exynos4-is/fimc-lite.c
++++ b/drivers/media/platform/exynos4-is/fimc-lite.c
+@@ -480,7 +480,7 @@ static int fimc_lite_open(struct file *file)
+       set_bit(ST_FLITE_IN_USE, &fimc->state);
+       ret = pm_runtime_get_sync(&fimc->pdev->dev);
+       if (ret < 0)
+-              goto unlock;
++              goto err_pm;
+ 
+       ret = v4l2_fh_open(file);
+       if (ret < 0)
+diff --git a/drivers/media/platform/exynos4-is/media-dev.c 
b/drivers/media/platform/exynos4-is/media-dev.c
+index f5fca01f3248e..3261dc72cc614 100644
+--- a/drivers/media/platform/exynos4-is/media-dev.c
++++ b/drivers/media/platform/exynos4-is/media-dev.c
+@@ -481,8 +481,10 @@ static int fimc_md_register_sensor_entities(struct 
fimc_md *fmd)
+               return -ENXIO;
+ 
+       ret = pm_runtime_get_sync(fmd->pmf);
+-      if (ret < 0)
++      if (ret < 0) {
++              pm_runtime_put(fmd->pmf);
+               return ret;
++      }
+ 
+       fmd->num_sensors = 0;
+ 
+diff --git a/drivers/media/platform/exynos4-is/mipi-csis.c 
b/drivers/media/platform/exynos4-is/mipi-csis.c
+index b4e28a299e26e..efab3ebc67564 100644
+--- a/drivers/media/platform/exynos4-is/mipi-csis.c
++++ b/drivers/media/platform/exynos4-is/mipi-csis.c
+@@ -513,8 +513,10 @@ static int s5pcsis_s_stream(struct v4l2_subdev *sd, int 
enable)
+       if (enable) {
+               s5pcsis_clear_counters(state);
+               ret = pm_runtime_get_sync(&state->pdev->dev);
+-              if (ret && ret != 1)
++              if (ret && ret != 1) {
++                      pm_runtime_put_noidle(&state->pdev->dev);
+                       return ret;
++              }
+       }
+ 
+       mutex_lock(&state->lock);
+diff --git a/drivers/media/platform/qcom/venus/core.c 
b/drivers/media/platform/qcom/venus/core.c
+index 60069869596cb..168f5af6abcc2 100644
+--- a/drivers/media/platform/qcom/venus/core.c
++++ b/drivers/media/platform/qcom/venus/core.c
+@@ -321,8 +321,10 @@ static int venus_probe(struct platform_device *pdev)
+               goto err_dev_unregister;
+ 
+       ret = pm_runtime_put_sync(dev);
+-      if (ret)
++      if (ret) {
++              pm_runtime_get_noresume(dev);
+               goto err_dev_unregister;
++      }
+ 
+       return 0;
+ 
+@@ -333,6 +335,7 @@ err_core_deinit:
+ err_venus_shutdown:
+       venus_shutdown(dev);
+ err_runtime_disable:
++      pm_runtime_put_noidle(dev);
+       pm_runtime_set_suspended(dev);
+       pm_runtime_disable(dev);
+       hfi_destroy(core);
+diff --git a/drivers/media/platform/s3c-camif/camif-core.c 
b/drivers/media/platform/s3c-camif/camif-core.c
+index 79bc0ef6bb413..8d8ed72bd0aaf 100644
+--- a/drivers/media/platform/s3c-camif/camif-core.c
++++ b/drivers/media/platform/s3c-camif/camif-core.c
+@@ -476,7 +476,7 @@ static int s3c_camif_probe(struct platform_device *pdev)
+ 
+       ret = camif_media_dev_init(camif);
+       if (ret < 0)
+-              goto err_alloc;
++              goto err_pm;
+ 
+       ret = camif_register_sensor(camif);
+       if (ret < 0)
+@@ -510,10 +510,9 @@ err_sens:
+       media_device_unregister(&camif->media_dev);
+       media_device_cleanup(&camif->media_dev);
+       camif_unregister_media_entities(camif);
+-err_alloc:
++err_pm:
+       pm_runtime_put(dev);
+       pm_runtime_disable(dev);
+-err_pm:
+       camif_clk_put(camif);
+ err_clk:
+       s3c_camif_unregister_subdev(camif);
+diff --git a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c 
b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
+index 40c4eef71c34c..00f6e3f06dac5 100644
+--- a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
++++ b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
+@@ -1371,7 +1371,7 @@ static int bdisp_probe(struct platform_device *pdev)
+       ret = pm_runtime_get_sync(dev);
+       if (ret < 0) {
+               dev_err(dev, "failed to set PM\n");
+-              goto err_dbg;
++              goto err_pm;
+       }
+ 
+       /* Filters */
+@@ -1399,7 +1399,6 @@ err_filter:
+       bdisp_hw_free_filters(bdisp->dev);
+ err_pm:
+       pm_runtime_put(dev);
+-err_dbg:
+       bdisp_debugfs_remove(bdisp);
+ err_v4l2:
+       v4l2_device_unregister(&bdisp->v4l2_dev);
+diff --git a/drivers/media/platform/sti/delta/delta-v4l2.c 
b/drivers/media/platform/sti/delta/delta-v4l2.c
+index 0b42acd4e3a6e..53dc6da2b09e2 100644
+--- a/drivers/media/platform/sti/delta/delta-v4l2.c
++++ b/drivers/media/platform/sti/delta/delta-v4l2.c
+@@ -954,8 +954,10 @@ static void delta_run_work(struct work_struct *work)
+       /* enable the hardware */
+       if (!dec->pm) {
+               ret = delta_get_sync(ctx);
+-              if (ret)
++              if (ret) {
++                      delta_put_autosuspend(ctx);
+                       goto err;
++              }
+       }
+ 
+       /* decode this access unit */
+diff --git a/drivers/media/platform/sti/hva/hva-hw.c 
b/drivers/media/platform/sti/hva/hva-hw.c
+index 7917fd2c4bd4b..d826c011c0952 100644
+--- a/drivers/media/platform/sti/hva/hva-hw.c
++++ b/drivers/media/platform/sti/hva/hva-hw.c
+@@ -272,6 +272,7 @@ static unsigned long int hva_hw_get_ip_version(struct 
hva_dev *hva)
+ 
+       if (pm_runtime_get_sync(dev) < 0) {
+               dev_err(dev, "%s     failed to get pm_runtime\n", HVA_PREFIX);
++              pm_runtime_put_noidle(dev);
+               mutex_unlock(&hva->protect_mutex);
+               return -EFAULT;
+       }
+@@ -392,7 +393,7 @@ int hva_hw_probe(struct platform_device *pdev, struct 
hva_dev *hva)
+       ret = pm_runtime_get_sync(dev);
+       if (ret < 0) {
+               dev_err(dev, "%s     failed to set PM\n", HVA_PREFIX);
+-              goto err_clk;
++              goto err_pm;
+       }
+ 
+       /* check IP hardware version */
+@@ -557,6 +558,7 @@ void hva_hw_dump_regs(struct hva_dev *hva, struct seq_file 
*s)
+ 
+       if (pm_runtime_get_sync(dev) < 0) {
+               seq_puts(s, "Cannot wake up IP\n");
++              pm_runtime_put_noidle(dev);
+               mutex_unlock(&hva->protect_mutex);
+               return;
+       }
+diff --git a/drivers/media/platform/vsp1/vsp1_drv.c 
b/drivers/media/platform/vsp1/vsp1_drv.c
+index b6619c9c18bb4..4e6530ee809af 100644
+--- a/drivers/media/platform/vsp1/vsp1_drv.c
++++ b/drivers/media/platform/vsp1/vsp1_drv.c
+@@ -562,7 +562,12 @@ int vsp1_device_get(struct vsp1_device *vsp1)
+       int ret;
+ 
+       ret = pm_runtime_get_sync(vsp1->dev);
+-      return ret < 0 ? ret : 0;
++      if (ret < 0) {
++              pm_runtime_put_noidle(vsp1->dev);
++              return ret;
++      }
++
++      return 0;
+ }
+ 
+ /*
+@@ -845,12 +850,12 @@ static int vsp1_probe(struct platform_device *pdev)
+       /* Configure device parameters based on the version register. */
+       pm_runtime_enable(&pdev->dev);
+ 
+-      ret = pm_runtime_get_sync(&pdev->dev);
++      ret = vsp1_device_get(vsp1);
+       if (ret < 0)
+               goto done;
+ 
+       vsp1->version = vsp1_read(vsp1, VI6_IP_VERSION);
+-      pm_runtime_put_sync(&pdev->dev);
++      vsp1_device_put(vsp1);
+ 
+       for (i = 0; i < ARRAY_SIZE(vsp1_device_infos); ++i) {
+               if ((vsp1->version & VI6_IP_VERSION_MODEL_MASK) ==
+diff --git a/drivers/media/rc/ati_remote.c b/drivers/media/rc/ati_remote.c
+index 8e82610ffaad5..01c82da8e9aa2 100644
+--- a/drivers/media/rc/ati_remote.c
++++ b/drivers/media/rc/ati_remote.c
+@@ -845,6 +845,10 @@ static int ati_remote_probe(struct usb_interface 
*interface,
+               err("%s: endpoint_in message size==0? \n", __func__);
+               return -ENODEV;
+       }
++      if (!usb_endpoint_is_int_out(endpoint_out)) {
++              err("%s: Unexpected endpoint_out\n", __func__);
++              return -ENODEV;
++      }
+ 
+       ati_remote = kzalloc(sizeof (struct ati_remote), GFP_KERNEL);
+       rc_dev = rc_allocate_device(RC_DRIVER_SCANCODE);
+diff --git a/drivers/media/usb/uvc/uvc_v4l2.c 
b/drivers/media/usb/uvc/uvc_v4l2.c
+index 18a7384b50ee9..0921c95a1dca5 100644
+--- a/drivers/media/usb/uvc/uvc_v4l2.c
++++ b/drivers/media/usb/uvc/uvc_v4l2.c
+@@ -252,11 +252,41 @@ static int uvc_v4l2_try_format(struct uvc_streaming 
*stream,
+       if (ret < 0)
+               goto done;
+ 
++      /* After the probe, update fmt with the values returned from
++       * negotiation with the device.
++       */
++      for (i = 0; i < stream->nformats; ++i) {
++              if (probe->bFormatIndex == stream->format[i].index) {
++                      format = &stream->format[i];
++                      break;
++              }
++      }
++
++      if (i == stream->nformats) {
++              uvc_trace(UVC_TRACE_FORMAT, "Unknown bFormatIndex %u\n",
++                        probe->bFormatIndex);
++              return -EINVAL;
++      }
++
++      for (i = 0; i < format->nframes; ++i) {
++              if (probe->bFrameIndex == format->frame[i].bFrameIndex) {
++                      frame = &format->frame[i];
++                      break;
++              }
++      }
++
++      if (i == format->nframes) {
++              uvc_trace(UVC_TRACE_FORMAT, "Unknown bFrameIndex %u\n",
++                        probe->bFrameIndex);
++              return -EINVAL;
++      }
++
+       fmt->fmt.pix.width = frame->wWidth;
+       fmt->fmt.pix.height = frame->wHeight;
+       fmt->fmt.pix.field = V4L2_FIELD_NONE;
+       fmt->fmt.pix.bytesperline = uvc_v4l2_get_bytesperline(format, frame);
+       fmt->fmt.pix.sizeimage = probe->dwMaxVideoFrameSize;
++      fmt->fmt.pix.pixelformat = format->fcc;
+       fmt->fmt.pix.colorspace = format->colorspace;
+       fmt->fmt.pix.priv = 0;
+ 
+diff --git a/drivers/memory/fsl-corenet-cf.c b/drivers/memory/fsl-corenet-cf.c
+index 662d050243bec..2fbf8d09af36b 100644
+--- a/drivers/memory/fsl-corenet-cf.c
++++ b/drivers/memory/fsl-corenet-cf.c
+@@ -215,10 +215,8 @@ static int ccf_probe(struct platform_device *pdev)
+       dev_set_drvdata(&pdev->dev, ccf);
+ 
+       irq = platform_get_irq(pdev, 0);
+-      if (!irq) {
+-              dev_err(&pdev->dev, "%s: no irq\n", __func__);
+-              return -ENXIO;
+-      }
++      if (irq < 0)
++              return irq;
+ 
+       ret = devm_request_irq(&pdev->dev, irq, ccf_irq, 0, pdev->name, ccf);
+       if (ret) {
+diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c
+index 1c6a7c16e0c17..2ca507f3a58c3 100644
+--- a/drivers/memory/omap-gpmc.c
++++ b/drivers/memory/omap-gpmc.c
+@@ -951,7 +951,7 @@ static int gpmc_cs_remap(int cs, u32 base)
+       int ret;
+       u32 old_base, size;
+ 
+-      if (cs > gpmc_cs_num) {
++      if (cs >= gpmc_cs_num) {
+               pr_err("%s: requested chip-select is disabled\n", __func__);
+               return -ENODEV;
+       }
+@@ -986,7 +986,7 @@ int gpmc_cs_request(int cs, unsigned long size, unsigned 
long *base)
+       struct resource *res = &gpmc->mem;
+       int r = -1;
+ 
+-      if (cs > gpmc_cs_num) {
++      if (cs >= gpmc_cs_num) {
+               pr_err("%s: requested chip-select is disabled\n", __func__);
+               return -ENODEV;
+       }
+@@ -2278,6 +2278,10 @@ static void gpmc_probe_dt_children(struct 
platform_device *pdev)
+       }
+ }
+ #else
++void gpmc_read_settings_dt(struct device_node *np, struct gpmc_settings *p)
++{
++      memset(p, 0, sizeof(*p));
++}
+ static int gpmc_probe_dt(struct platform_device *pdev)
+ {
+       return 0;
+diff --git a/drivers/misc/cardreader/rtsx_pcr.c 
b/drivers/misc/cardreader/rtsx_pcr.c
+index 5c5d0241603a3..3eb3c237f3398 100644
+--- a/drivers/misc/cardreader/rtsx_pcr.c
++++ b/drivers/misc/cardreader/rtsx_pcr.c
+@@ -1524,12 +1524,14 @@ static int rtsx_pci_probe(struct pci_dev *pcidev,
+       ret = mfd_add_devices(&pcidev->dev, pcr->id, rtsx_pcr_cells,
+                       ARRAY_SIZE(rtsx_pcr_cells), NULL, 0, NULL);
+       if (ret < 0)
+-              goto disable_irq;
++              goto free_slots;
+ 
+       schedule_delayed_work(&pcr->idle_work, msecs_to_jiffies(200));
+ 
+       return 0;
+ 
++free_slots:
++      kfree(pcr->slots);
+ disable_irq:
+       free_irq(pcr->irq, (void *)pcr);
+ disable_msi:
+diff --git a/drivers/misc/eeprom/at25.c b/drivers/misc/eeprom/at25.c
+index 840afb398f9e4..8dd5c610c438d 100644
+--- a/drivers/misc/eeprom/at25.c
++++ b/drivers/misc/eeprom/at25.c
+@@ -362,7 +362,7 @@ static int at25_probe(struct spi_device *spi)
+       at25->nvmem_config.reg_read = at25_ee_read;
+       at25->nvmem_config.reg_write = at25_ee_write;
+       at25->nvmem_config.priv = at25;
+-      at25->nvmem_config.stride = 4;
++      at25->nvmem_config.stride = 1;
+       at25->nvmem_config.word_size = 1;
+       at25->nvmem_config.size = chip.byte_len;
+ 
+diff --git a/drivers/misc/mic/vop/vop_main.c b/drivers/misc/mic/vop/vop_main.c
+index de7f035a176df..f4332a97c6917 100644
+--- a/drivers/misc/mic/vop/vop_main.c
++++ b/drivers/misc/mic/vop/vop_main.c
+@@ -301,7 +301,7 @@ static struct virtqueue *vop_find_vq(struct virtio_device 
*dev,
+       /* First assign the vring's allocated in host memory */
+       vqconfig = _vop_vq_config(vdev->desc) + index;
+       memcpy_fromio(&config, vqconfig, sizeof(config));
+-      _vr_size = vring_size(le16_to_cpu(config.num), MIC_VIRTIO_RING_ALIGN);
++      _vr_size = round_up(vring_size(le16_to_cpu(config.num), 
MIC_VIRTIO_RING_ALIGN), 4);
+       vr_size = PAGE_ALIGN(_vr_size + sizeof(struct _mic_vring_info));
+       va = vpdev->hw_ops->ioremap(vpdev, le64_to_cpu(config.address),
+                       vr_size);
+diff --git a/drivers/misc/mic/vop/vop_vringh.c 
b/drivers/misc/mic/vop/vop_vringh.c
+index cbc8ebcff5cfe..a252c2199b937 100644
+--- a/drivers/misc/mic/vop/vop_vringh.c
++++ b/drivers/misc/mic/vop/vop_vringh.c
+@@ -308,7 +308,7 @@ static int vop_virtio_add_device(struct vop_vdev *vdev,
+ 
+               num = le16_to_cpu(vqconfig[i].num);
+               mutex_init(&vvr->vr_mutex);
+-              vr_size = PAGE_ALIGN(vring_size(num, MIC_VIRTIO_RING_ALIGN) +
++              vr_size = PAGE_ALIGN(round_up(vring_size(num, 
MIC_VIRTIO_RING_ALIGN), 4) +
+                       sizeof(struct _mic_vring_info));
+               vr->va = (void *)
+                       __get_free_pages(GFP_KERNEL | __GFP_ZERO,
+@@ -320,7 +320,7 @@ static int vop_virtio_add_device(struct vop_vdev *vdev,
+                       goto err;
+               }
+               vr->len = vr_size;
+-              vr->info = vr->va + vring_size(num, MIC_VIRTIO_RING_ALIGN);
++              vr->info = vr->va + round_up(vring_size(num, 
MIC_VIRTIO_RING_ALIGN), 4);
+               vr->info->magic = cpu_to_le32(MIC_MAGIC + vdev->virtio_id + i);
+               vr_addr = dma_map_single(&vpdev->dev, vr->va, vr_size,
+                                        DMA_BIDIRECTIONAL);
+@@ -611,6 +611,7 @@ static int vop_virtio_copy_from_user(struct vop_vdev 
*vdev, void __user *ubuf,
+       size_t partlen;
+       bool dma = VOP_USE_DMA;
+       int err = 0;
++      size_t offset = 0;
+ 
+       if (daddr & (dma_alignment - 1)) {
+               vdev->tx_dst_unaligned += len;
+@@ -659,13 +660,20 @@ memcpy:
+        * We are copying to IO below and should ideally use something
+        * like copy_from_user_toio(..) if it existed.
+        */
+-      if (copy_from_user((void __force *)dbuf, ubuf, len)) {
+-              err = -EFAULT;
+-              dev_err(vop_dev(vdev), "%s %d err %d\n",
+-                      __func__, __LINE__, err);
+-              goto err;
++      while (len) {
++              partlen = min_t(size_t, len, VOP_INT_DMA_BUF_SIZE);
++
++              if (copy_from_user(vvr->buf, ubuf + offset, partlen)) {
++                      err = -EFAULT;
++                      dev_err(vop_dev(vdev), "%s %d err %d\n",
++                              __func__, __LINE__, err);
++                      goto err;
++              }
++              memcpy_toio(dbuf + offset, vvr->buf, partlen);
++              offset += partlen;
++              vdev->out_bytes += partlen;
++              len -= partlen;
+       }
+-      vdev->out_bytes += len;
+       err = 0;
+ err:
+       vpdev->hw_ops->iounmap(vpdev, dbuf);
+diff --git a/drivers/mmc/core/sdio_cis.c b/drivers/mmc/core/sdio_cis.c
+index f8c372839d244..2ca5cd79018b4 100644
+--- a/drivers/mmc/core/sdio_cis.c
++++ b/drivers/mmc/core/sdio_cis.c
+@@ -30,6 +30,9 @@ static int cistpl_vers_1(struct mmc_card *card, struct 
sdio_func *func,
+       unsigned i, nr_strings;
+       char **buffer, *string;
+ 
++      if (size < 2)
++              return 0;
++
+       /* Find all null-terminated (including zero length) strings in
+          the TPLLV1_INFO field. Trailing garbage is ignored. */
+       buf += 2;
+diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
+index bfe13c6627bed..0be8db6ab3195 100644
+--- a/drivers/net/can/flexcan.c
++++ b/drivers/net/can/flexcan.c
+@@ -1091,18 +1091,23 @@ static int flexcan_chip_start(struct net_device *dev)
+       return err;
+ }
+ 
+-/* flexcan_chip_stop
++/* __flexcan_chip_stop
+  *
+- * this functions is entered with clocks enabled
++ * this function is entered with clocks enabled
+  */
+-static void flexcan_chip_stop(struct net_device *dev)
++static int __flexcan_chip_stop(struct net_device *dev, bool disable_on_error)
+ {
+       struct flexcan_priv *priv = netdev_priv(dev);
+       struct flexcan_regs __iomem *regs = priv->regs;
++      int err;
+ 
+       /* freeze + disable module */
+-      flexcan_chip_freeze(priv);
+-      flexcan_chip_disable(priv);
++      err = flexcan_chip_freeze(priv);
++      if (err && !disable_on_error)
++              return err;
++      err = flexcan_chip_disable(priv);
++      if (err && !disable_on_error)
++              goto out_chip_unfreeze;
+ 
+       /* Disable all interrupts */
+       priv->write(0, &regs->imask2);
+@@ -1112,6 +1117,23 @@ static void flexcan_chip_stop(struct net_device *dev)
+ 
+       flexcan_transceiver_disable(priv);
+       priv->can.state = CAN_STATE_STOPPED;
++
++      return 0;
++
++ out_chip_unfreeze:
++      flexcan_chip_unfreeze(priv);
++
++      return err;
++}
++
++static inline int flexcan_chip_stop_disable_on_error(struct net_device *dev)
++{
++      return __flexcan_chip_stop(dev, true);
++}
++
++static inline int flexcan_chip_stop(struct net_device *dev)
++{
++      return __flexcan_chip_stop(dev, false);
+ }
+ 
+ static int flexcan_open(struct net_device *dev)
+@@ -1165,7 +1187,7 @@ static int flexcan_close(struct net_device *dev)
+ 
+       netif_stop_queue(dev);
+       can_rx_offload_disable(&priv->offload);
+-      flexcan_chip_stop(dev);
++      flexcan_chip_stop_disable_on_error(dev);
+ 
+       free_irq(dev->irq, dev);
+       clk_disable_unprepare(priv->clk_per);
+diff --git a/drivers/net/ethernet/korina.c b/drivers/net/ethernet/korina.c
+index 5bdff77c0ad10..993f495e2bf7b 100644
+--- a/drivers/net/ethernet/korina.c
++++ b/drivers/net/ethernet/korina.c
+@@ -1113,7 +1113,7 @@ out:
+       return rc;
+ 
+ probe_err_register:
+-      kfree(KSEG0ADDR(lp->td_ring));
++      kfree((struct dma_desc *)KSEG0ADDR(lp->td_ring));
+ probe_err_td_ring:
+       iounmap(lp->tx_dma_regs);
+ probe_err_dma_tx:
+@@ -1133,7 +1133,7 @@ static int korina_remove(struct platform_device *pdev)
+       iounmap(lp->eth_regs);
+       iounmap(lp->rx_dma_regs);
+       iounmap(lp->tx_dma_regs);
+-      kfree(KSEG0ADDR(lp->td_ring));
++      kfree((struct dma_desc *)KSEG0ADDR(lp->td_ring));
+ 
+       unregister_netdev(bif->dev);
+       free_netdev(bif->dev);
+diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c 
b/drivers/net/wireless/ath/ath10k/htt_rx.c
+index 03d4cc6f35bcd..7d15f6208b463 100644
+--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
++++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
+@@ -153,6 +153,14 @@ static int __ath10k_htt_rx_ring_fill_n(struct ath10k_htt 
*htt, int num)
+       BUILD_BUG_ON(HTT_RX_RING_FILL_LEVEL >= HTT_RX_RING_SIZE / 2);
+ 
+       idx = __le32_to_cpu(*htt->rx_ring.alloc_idx.vaddr);
++
++      if (idx < 0 || idx >= htt->rx_ring.size) {
++              ath10k_err(htt->ar, "rx ring index is not valid, firmware 
malfunctioning?\n");
++              idx &= htt->rx_ring.size_mask;
++              ret = -ENOMEM;
++              goto fail;
++      }
++
+       while (num > 0) {
+               skb = dev_alloc_skb(HTT_RX_BUF_SIZE + HTT_RX_DESC_ALIGN);
+               if (!skb) {
+diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c 
b/drivers/net/wireless/ath/ath9k/hif_usb.c
+index 3f563e02d17da..2ed98aaed6fb5 100644
+--- a/drivers/net/wireless/ath/ath9k/hif_usb.c
++++ b/drivers/net/wireless/ath/ath9k/hif_usb.c
+@@ -449,10 +449,19 @@ static void hif_usb_stop(void *hif_handle)
+       spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags);
+ 
+       /* The pending URBs have to be canceled. */
++      spin_lock_irqsave(&hif_dev->tx.tx_lock, flags);
+       list_for_each_entry_safe(tx_buf, tx_buf_tmp,
+                                &hif_dev->tx.tx_pending, list) {
++              usb_get_urb(tx_buf->urb);
++              spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags);
+               usb_kill_urb(tx_buf->urb);
++              list_del(&tx_buf->list);
++              usb_free_urb(tx_buf->urb);
++              kfree(tx_buf->buf);
++              kfree(tx_buf);
++              spin_lock_irqsave(&hif_dev->tx.tx_lock, flags);
+       }
++      spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags);
+ 
+       usb_kill_anchored_urbs(&hif_dev->mgmt_submitted);
+ }
+@@ -762,27 +771,37 @@ static void ath9k_hif_usb_dealloc_tx_urbs(struct 
hif_device_usb *hif_dev)
+       struct tx_buf *tx_buf = NULL, *tx_buf_tmp = NULL;
+       unsigned long flags;
+ 
++      spin_lock_irqsave(&hif_dev->tx.tx_lock, flags);
+       list_for_each_entry_safe(tx_buf, tx_buf_tmp,
+                                &hif_dev->tx.tx_buf, list) {
++              usb_get_urb(tx_buf->urb);
++              spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags);
+               usb_kill_urb(tx_buf->urb);
+               list_del(&tx_buf->list);
+               usb_free_urb(tx_buf->urb);
+               kfree(tx_buf->buf);
+               kfree(tx_buf);
++              spin_lock_irqsave(&hif_dev->tx.tx_lock, flags);
+       }
++      spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags);
+ 
+       spin_lock_irqsave(&hif_dev->tx.tx_lock, flags);
+       hif_dev->tx.flags |= HIF_USB_TX_FLUSH;
+       spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags);
+ 
++      spin_lock_irqsave(&hif_dev->tx.tx_lock, flags);
+       list_for_each_entry_safe(tx_buf, tx_buf_tmp,
+                                &hif_dev->tx.tx_pending, list) {
++              usb_get_urb(tx_buf->urb);
++              spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags);
+               usb_kill_urb(tx_buf->urb);
+               list_del(&tx_buf->list);
+               usb_free_urb(tx_buf->urb);
+               kfree(tx_buf->buf);
+               kfree(tx_buf);
++              spin_lock_irqsave(&hif_dev->tx.tx_lock, flags);
+       }
++      spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags);
+ 
+       usb_kill_anchored_urbs(&hif_dev->mgmt_submitted);
+ }
+diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c 
b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
+index ee922b0525610..768a99c15c08b 100644
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
+@@ -1563,6 +1563,8 @@ fail:
+                                         BRCMF_TX_IOCTL_MAX_MSG_SIZE,
+                                         msgbuf->ioctbuf,
+                                         msgbuf->ioctbuf_handle);
++              if (msgbuf->txflow_wq)
++                      destroy_workqueue(msgbuf->txflow_wq);
+               kfree(msgbuf);
+       }
+       return -ENOMEM;
+diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c 
b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c
+index 9fb0d9fbd9395..d532decc15383 100644
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c
+@@ -5085,8 +5085,10 @@ bool wlc_phy_attach_lcnphy(struct brcms_phy *pi)
+       pi->pi_fptr.radioloftget = wlc_lcnphy_get_radio_loft;
+       pi->pi_fptr.detach = wlc_phy_detach_lcnphy;
+ 
+-      if (!wlc_phy_txpwr_srom_read_lcnphy(pi))
++      if (!wlc_phy_txpwr_srom_read_lcnphy(pi)) {
++              kfree(pi->u.pi_lcnphy);
+               return false;
++      }
+ 
+       if (LCNREV_IS(pi->pubpi.phy_rev, 1)) {
+               if (pi_lcn->lcnphy_tempsense_option == 3) {
+diff --git a/drivers/net/wireless/marvell/mwifiex/usb.c 
b/drivers/net/wireless/marvell/mwifiex/usb.c
+index d445acc4786b7..2a8d40ce463d5 100644
+--- a/drivers/net/wireless/marvell/mwifiex/usb.c
++++ b/drivers/net/wireless/marvell/mwifiex/usb.c
+@@ -1355,7 +1355,8 @@ static void mwifiex_usb_cleanup_tx_aggr(struct 
mwifiex_adapter *adapter)
+                               skb_dequeue(&port->tx_aggr.aggr_list)))
+                               mwifiex_write_data_complete(adapter, skb_tmp,
+                                                           0, -1);
+-              del_timer_sync(&port->tx_aggr.timer_cnxt.hold_timer);
++              if (port->tx_aggr.timer_cnxt.hold_timer.function)
++                      del_timer_sync(&port->tx_aggr.timer_cnxt.hold_timer);
+               port->tx_aggr.timer_cnxt.is_hold_timer_set = false;
+               port->tx_aggr.timer_cnxt.hold_tmo_msecs = 0;
+       }
+diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c 
b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+index 070ea0f456abd..b80cff96dea1e 100644
+--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
++++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+@@ -5453,7 +5453,6 @@ static int rtl8xxxu_submit_int_urb(struct ieee80211_hw 
*hw)
+       ret = usb_submit_urb(urb, GFP_KERNEL);
+       if (ret) {
+               usb_unanchor_urb(urb);
+-              usb_free_urb(urb);
+               goto error;
+       }
+ 
+@@ -5462,6 +5461,7 @@ static int rtl8xxxu_submit_int_urb(struct ieee80211_hw 
*hw)
+       rtl8xxxu_write32(priv, REG_USB_HIMR, val32);
+ 
+ error:
++      usb_free_urb(urb);
+       return ret;
+ }
+ 
+@@ -5787,6 +5787,7 @@ static int rtl8xxxu_start(struct ieee80211_hw *hw)
+       struct rtl8xxxu_priv *priv = hw->priv;
+       struct rtl8xxxu_rx_urb *rx_urb;
+       struct rtl8xxxu_tx_urb *tx_urb;
++      struct sk_buff *skb;
+       unsigned long flags;
+       int ret, i;
+ 
+@@ -5837,6 +5838,13 @@ static int rtl8xxxu_start(struct ieee80211_hw *hw)
+               rx_urb->hw = hw;
+ 
+               ret = rtl8xxxu_submit_rx_urb(priv, rx_urb);
++              if (ret) {
++                      if (ret != -ENOMEM) {
++                              skb = (struct sk_buff *)rx_urb->urb.context;
++                              dev_kfree_skb(skb);
++                      }
++                      rtl8xxxu_queue_rx_urb(priv, rx_urb);
++              }
+       }
+ exit:
+       /*
+diff --git a/drivers/ntb/hw/amd/ntb_hw_amd.c b/drivers/ntb/hw/amd/ntb_hw_amd.c
+index efb214fc545a2..0b1fbb5dba9b6 100644
+--- a/drivers/ntb/hw/amd/ntb_hw_amd.c
++++ b/drivers/ntb/hw/amd/ntb_hw_amd.c
+@@ -1036,6 +1036,7 @@ static int amd_ntb_init_pci(struct amd_ntb_dev *ndev,
+ 
+ err_dma_mask:
+       pci_clear_master(pdev);
++      pci_release_regions(pdev);
+ err_pci_regions:
+       pci_disable_device(pdev);
+ err_pci_enable:
+diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
+index f28df233dfcd0..2b492ad55f0e4 100644
+--- a/drivers/nvme/target/core.c
++++ b/drivers/nvme/target/core.c
+@@ -787,7 +787,8 @@ static void nvmet_start_ctrl(struct nvmet_ctrl *ctrl)
+        * in case a host died before it enabled the controller.  Hence, simply
+        * reset the keep alive timer when the controller is enabled.
+        */
+-      mod_delayed_work(system_wq, &ctrl->ka_work, ctrl->kato * HZ);
++      if (ctrl->kato)
++              mod_delayed_work(system_wq, &ctrl->ka_work, ctrl->kato * HZ);
+ }
+ 
+ static void nvmet_clear_ctrl(struct nvmet_ctrl *ctrl)
+diff --git a/drivers/pci/controller/pcie-iproc-msi.c 
b/drivers/pci/controller/pcie-iproc-msi.c
+index 9deb56989d726..ea612382599cf 100644
+--- a/drivers/pci/controller/pcie-iproc-msi.c
++++ b/drivers/pci/controller/pcie-iproc-msi.c
+@@ -209,15 +209,20 @@ static int iproc_msi_irq_set_affinity(struct irq_data 
*data,
+       struct iproc_msi *msi = irq_data_get_irq_chip_data(data);
+       int target_cpu = cpumask_first(mask);
+       int curr_cpu;
++      int ret;
+ 
+       curr_cpu = hwirq_to_cpu(msi, data->hwirq);
+       if (curr_cpu == target_cpu)
+-              return IRQ_SET_MASK_OK_DONE;
++              ret = IRQ_SET_MASK_OK_DONE;
++      else {
++              /* steer MSI to the target CPU */
++              data->hwirq = hwirq_to_canonical_hwirq(msi, data->hwirq) + 
target_cpu;
++              ret = IRQ_SET_MASK_OK;
++      }
+ 
+-      /* steer MSI to the target CPU */
+-      data->hwirq = hwirq_to_canonical_hwirq(msi, data->hwirq) + target_cpu;
++      irq_data_update_effective_affinity(data, cpumask_of(target_cpu));
+ 
+-      return IRQ_SET_MASK_OK;
++      return ret;
+ }
+ 
+ static void iproc_msi_irq_compose_msi_msg(struct irq_data *data,
+diff --git a/drivers/pwm/pwm-img.c b/drivers/pwm/pwm-img.c
+index da72b2866e88e..3b0a097ce2abd 100644
+--- a/drivers/pwm/pwm-img.c
++++ b/drivers/pwm/pwm-img.c
+@@ -280,6 +280,8 @@ static int img_pwm_probe(struct platform_device *pdev)
+               return PTR_ERR(pwm->pwm_clk);
+       }
+ 
++      platform_set_drvdata(pdev, pwm);
++
+       pm_runtime_set_autosuspend_delay(&pdev->dev, IMG_PWM_PM_TIMEOUT);
+       pm_runtime_use_autosuspend(&pdev->dev);
+       pm_runtime_enable(&pdev->dev);
+@@ -316,7 +318,6 @@ static int img_pwm_probe(struct platform_device *pdev)
+               goto err_suspend;
+       }
+ 
+-      platform_set_drvdata(pdev, pwm);
+       return 0;
+ 
+ err_suspend:
+diff --git a/drivers/rapidio/devices/rio_mport_cdev.c 
b/drivers/rapidio/devices/rio_mport_cdev.c
+index f36a8a5261a13..a136a7ae77140 100644
+--- a/drivers/rapidio/devices/rio_mport_cdev.c
++++ b/drivers/rapidio/devices/rio_mport_cdev.c
+@@ -875,15 +875,16 @@ rio_dma_transfer(struct file *filp, u32 transfer_mode,
+                               rmcd_error("get_user_pages_unlocked err=%ld",
+                                          pinned);
+                               nr_pages = 0;
+-                      } else
++                      } else {
+                               rmcd_error("pinned %ld out of %ld pages",
+                                          pinned, nr_pages);
++                              /*
++                               * Set nr_pages up to mean "how many pages to 
unpin, in
++                               * the error handler:
++                               */
++                              nr_pages = pinned;
++                      }
+                       ret = -EFAULT;
+-                      /*
+-                       * Set nr_pages up to mean "how many pages to unpin, in
+-                       * the error handler:
+-                       */
+-                      nr_pages = pinned;
+                       goto err_pg;
+               }
+ 
+@@ -1684,6 +1685,7 @@ static int rio_mport_add_riodev(struct mport_cdev_priv 
*priv,
+       struct rio_dev *rdev;
+       struct rio_switch *rswitch = NULL;
+       struct rio_mport *mport;
++      struct device *dev;
+       size_t size;
+       u32 rval;
+       u32 swpinfo = 0;
+@@ -1698,8 +1700,10 @@ static int rio_mport_add_riodev(struct mport_cdev_priv 
*priv,
+       rmcd_debug(RDEV, "name:%s ct:0x%x did:0x%x hc:0x%x", dev_info.name,
+                  dev_info.comptag, dev_info.destid, dev_info.hopcount);
+ 
+-      if (bus_find_device_by_name(&rio_bus_type, NULL, dev_info.name)) {
++      dev = bus_find_device_by_name(&rio_bus_type, NULL, dev_info.name);
++      if (dev) {
+               rmcd_debug(RDEV, "device %s already exists", dev_info.name);
++              put_device(dev);
+               return -EEXIST;
+       }
+ 
+diff --git a/drivers/rpmsg/qcom_smd.c b/drivers/rpmsg/qcom_smd.c
+index b2e5a6abf7d5c..aa008fa11002e 100644
+--- a/drivers/rpmsg/qcom_smd.c
++++ b/drivers/rpmsg/qcom_smd.c
+@@ -1338,7 +1338,7 @@ static int qcom_smd_parse_edge(struct device *dev,
+       ret = of_property_read_u32(node, key, &edge->edge_id);
+       if (ret) {
+               dev_err(dev, "edge missing %s property\n", key);
+-              return -EINVAL;
++              goto put_node;
+       }
+ 
+       edge->remote_pid = QCOM_SMEM_HOST_ANY;
+@@ -1349,32 +1349,37 @@ static int qcom_smd_parse_edge(struct device *dev,
+       edge->mbox_client.knows_txdone = true;
+       edge->mbox_chan = mbox_request_channel(&edge->mbox_client, 0);
+       if (IS_ERR(edge->mbox_chan)) {
+-              if (PTR_ERR(edge->mbox_chan) != -ENODEV)
+-                      return PTR_ERR(edge->mbox_chan);
++              if (PTR_ERR(edge->mbox_chan) != -ENODEV) {
++                      ret = PTR_ERR(edge->mbox_chan);
++                      goto put_node;
++              }
+ 
+               edge->mbox_chan = NULL;
+ 
+               syscon_np = of_parse_phandle(node, "qcom,ipc", 0);
+               if (!syscon_np) {
+                       dev_err(dev, "no qcom,ipc node\n");
+-                      return -ENODEV;
++                      ret = -ENODEV;
++                      goto put_node;
+               }
+ 
+               edge->ipc_regmap = syscon_node_to_regmap(syscon_np);
+-              if (IS_ERR(edge->ipc_regmap))
+-                      return PTR_ERR(edge->ipc_regmap);
++              if (IS_ERR(edge->ipc_regmap)) {
++                      ret = PTR_ERR(edge->ipc_regmap);
++                      goto put_node;
++              }
+ 
+               key = "qcom,ipc";
+               ret = of_property_read_u32_index(node, key, 1, 
&edge->ipc_offset);
+               if (ret < 0) {
+                       dev_err(dev, "no offset in %s\n", key);
+-                      return -EINVAL;
++                      goto put_node;
+               }
+ 
+               ret = of_property_read_u32_index(node, key, 2, &edge->ipc_bit);
+               if (ret < 0) {
+                       dev_err(dev, "no bit in %s\n", key);
+-                      return -EINVAL;
++                      goto put_node;
+               }
+       }
+ 
+@@ -1385,7 +1390,8 @@ static int qcom_smd_parse_edge(struct device *dev,
+       irq = irq_of_parse_and_map(node, 0);
+       if (irq < 0) {
+               dev_err(dev, "required smd interrupt missing\n");
+-              return -EINVAL;
++              ret = irq;
++              goto put_node;
+       }
+ 
+       ret = devm_request_irq(dev, irq,
+@@ -1393,12 +1399,18 @@ static int qcom_smd_parse_edge(struct device *dev,
+                              node->name, edge);
+       if (ret) {
+               dev_err(dev, "failed to request smd irq\n");
+-              return ret;
++              goto put_node;
+       }
+ 
+       edge->irq = irq;
+ 
+       return 0;
++
++put_node:
++      of_node_put(node);
++      edge->of_node = NULL;
++
++      return ret;
+ }
+ 
+ /*
+diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
+index 71d53bb239e25..090ab377f65e5 100644
+--- a/drivers/scsi/ibmvscsi/ibmvfc.c
++++ b/drivers/scsi/ibmvscsi/ibmvfc.c
+@@ -4795,6 +4795,7 @@ static int ibmvfc_probe(struct vio_dev *vdev, const 
struct vio_device_id *id)
+       if (IS_ERR(vhost->work_thread)) {
+               dev_err(dev, "Couldn't create kernel thread: %ld\n",
+                       PTR_ERR(vhost->work_thread));
++              rc = PTR_ERR(vhost->work_thread);
+               goto free_host_mem;
+       }
+ 
+diff --git a/drivers/scsi/mvumi.c b/drivers/scsi/mvumi.c
+index b3cd9a6b1d306..b3df114a1200f 100644
+--- a/drivers/scsi/mvumi.c
++++ b/drivers/scsi/mvumi.c
+@@ -2439,6 +2439,7 @@ static int mvumi_io_attach(struct mvumi_hba *mhba)
+       if (IS_ERR(mhba->dm_thread)) {
+               dev_err(&mhba->pdev->dev,
+                       "failed to create device scan thread\n");
++              ret = PTR_ERR(mhba->dm_thread);
+               mutex_unlock(&mhba->sas_discovery_mutex);
+               goto fail_create_thread;
+       }
+diff --git a/drivers/scsi/qedi/qedi_fw.c b/drivers/scsi/qedi/qedi_fw.c
+index 25d763ae5d5a6..357a0acc5ed2f 100644
+--- a/drivers/scsi/qedi/qedi_fw.c
++++ b/drivers/scsi/qedi/qedi_fw.c
+@@ -62,6 +62,7 @@ static void qedi_process_logout_resp(struct qedi_ctx *qedi,
+                 "Freeing tid=0x%x for cid=0x%x\n",
+                 cmd->task_id, qedi_conn->iscsi_conn_id);
+ 
++      spin_lock(&qedi_conn->list_lock);
+       if (likely(cmd->io_cmd_in_list)) {
+               cmd->io_cmd_in_list = false;
+               list_del_init(&cmd->io_cmd);
+@@ -72,6 +73,7 @@ static void qedi_process_logout_resp(struct qedi_ctx *qedi,
+                         cmd->task_id, qedi_conn->iscsi_conn_id,
+                         &cmd->io_cmd);
+       }
++      spin_unlock(&qedi_conn->list_lock);
+ 
+       cmd->state = RESPONSE_RECEIVED;
+       qedi_clear_task_idx(qedi, cmd->task_id);
+@@ -125,6 +127,7 @@ static void qedi_process_text_resp(struct qedi_ctx *qedi,
+                 "Freeing tid=0x%x for cid=0x%x\n",
+                 cmd->task_id, qedi_conn->iscsi_conn_id);
+ 
++      spin_lock(&qedi_conn->list_lock);
+       if (likely(cmd->io_cmd_in_list)) {
+               cmd->io_cmd_in_list = false;
+               list_del_init(&cmd->io_cmd);
+@@ -135,6 +138,7 @@ static void qedi_process_text_resp(struct qedi_ctx *qedi,
+                         cmd->task_id, qedi_conn->iscsi_conn_id,
+                         &cmd->io_cmd);
+       }
++      spin_unlock(&qedi_conn->list_lock);
+ 
+       cmd->state = RESPONSE_RECEIVED;
+       qedi_clear_task_idx(qedi, cmd->task_id);
+@@ -227,11 +231,13 @@ static void qedi_process_tmf_resp(struct qedi_ctx *qedi,
+ 
+       tmf_hdr = (struct iscsi_tm *)qedi_cmd->task->hdr;
+ 
++      spin_lock(&qedi_conn->list_lock);
+       if (likely(qedi_cmd->io_cmd_in_list)) {
+               qedi_cmd->io_cmd_in_list = false;
+               list_del_init(&qedi_cmd->io_cmd);
+               qedi_conn->active_cmd_count--;
+       }
++      spin_unlock(&qedi_conn->list_lock);
+ 
+       if (((tmf_hdr->flags & ISCSI_FLAG_TM_FUNC_MASK) ==
+             ISCSI_TM_FUNC_LOGICAL_UNIT_RESET) ||
+@@ -293,11 +299,13 @@ static void qedi_process_login_resp(struct qedi_ctx 
*qedi,
+                 ISCSI_LOGIN_RESPONSE_HDR_DATA_SEG_LEN_MASK;
+       qedi_conn->gen_pdu.resp_wr_ptr = qedi_conn->gen_pdu.resp_buf + pld_len;
+ 
++      spin_lock(&qedi_conn->list_lock);
+       if (likely(cmd->io_cmd_in_list)) {
+               cmd->io_cmd_in_list = false;
+               list_del_init(&cmd->io_cmd);
+               qedi_conn->active_cmd_count--;
+       }
++      spin_unlock(&qedi_conn->list_lock);
+ 
+       memset(task_ctx, '\0', sizeof(*task_ctx));
+ 
+@@ -829,8 +837,11 @@ static void qedi_process_cmd_cleanup_resp(struct qedi_ctx 
*qedi,
+                       qedi_clear_task_idx(qedi_conn->qedi, rtid);
+ 
+                       spin_lock(&qedi_conn->list_lock);
+-                      list_del_init(&dbg_cmd->io_cmd);
+-                      qedi_conn->active_cmd_count--;
++                      if (likely(dbg_cmd->io_cmd_in_list)) {
++                              dbg_cmd->io_cmd_in_list = false;
++                              list_del_init(&dbg_cmd->io_cmd);
++                              qedi_conn->active_cmd_count--;
++                      }
+                       spin_unlock(&qedi_conn->list_lock);
+                       qedi_cmd->state = CLEANUP_RECV;
+                       wake_up_interruptible(&qedi_conn->wait_queue);
+@@ -1249,6 +1260,7 @@ int qedi_cleanup_all_io(struct qedi_ctx *qedi, struct 
qedi_conn *qedi_conn,
+               qedi_conn->cmd_cleanup_req++;
+               qedi_iscsi_cleanup_task(ctask, true);
+ 
++              cmd->io_cmd_in_list = false;
+               list_del_init(&cmd->io_cmd);
+               qedi_conn->active_cmd_count--;
+               QEDI_WARN(&qedi->dbg_ctx,
+@@ -1462,8 +1474,11 @@ ldel_exit:
+       spin_unlock_bh(&qedi_conn->tmf_work_lock);
+ 
+       spin_lock(&qedi_conn->list_lock);
+-      list_del_init(&cmd->io_cmd);
+-      qedi_conn->active_cmd_count--;
++      if (likely(cmd->io_cmd_in_list)) {
++              cmd->io_cmd_in_list = false;
++              list_del_init(&cmd->io_cmd);
++              qedi_conn->active_cmd_count--;
++      }
+       spin_unlock(&qedi_conn->list_lock);
+ 
+       clear_bit(QEDI_CONN_FW_CLEANUP, &qedi_conn->flags);
+diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c
+index aa451c8b49e56..4e8c5fcbded6a 100644
+--- a/drivers/scsi/qedi/qedi_iscsi.c
++++ b/drivers/scsi/qedi/qedi_iscsi.c
+@@ -976,11 +976,13 @@ static void qedi_cleanup_active_cmd_list(struct 
qedi_conn *qedi_conn)
+ {
+       struct qedi_cmd *cmd, *cmd_tmp;
+ 
++      spin_lock(&qedi_conn->list_lock);
+       list_for_each_entry_safe(cmd, cmd_tmp, &qedi_conn->active_cmd_list,
+                                io_cmd) {
+               list_del_init(&cmd->io_cmd);
+               qedi_conn->active_cmd_count--;
+       }
++      spin_unlock(&qedi_conn->list_lock);
+ }
+ 
+ static void qedi_ep_disconnect(struct iscsi_endpoint *ep)
+diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c
+index 21e3ff590ec91..798a74535ea7b 100644
+--- a/drivers/scsi/ufs/ufs-qcom.c
++++ b/drivers/scsi/ufs/ufs-qcom.c
+@@ -1581,9 +1581,6 @@ int ufs_qcom_testbus_config(struct ufs_qcom_host *host)
+        */
+       }
+       mask <<= offset;
+-
+-      pm_runtime_get_sync(host->hba->dev);
+-      ufshcd_hold(host->hba, false);
+       ufshcd_rmwl(host->hba, TEST_BUS_SEL,
+                   (u32)host->testbus.select_major << 19,
+                   REG_UFS_CFG1);
+@@ -1596,8 +1593,6 @@ int ufs_qcom_testbus_config(struct ufs_qcom_host *host)
+        * committed before returning.
+        */
+       mb();
+-      ufshcd_release(host->hba);
+-      pm_runtime_put_sync(host->hba->dev);
+ 
+       return 0;
+ }
+diff --git a/drivers/tty/ipwireless/network.c 
b/drivers/tty/ipwireless/network.c
+index cf20616340a1a..fe569f6294a24 100644
+--- a/drivers/tty/ipwireless/network.c
++++ b/drivers/tty/ipwireless/network.c
+@@ -117,7 +117,7 @@ static int ipwireless_ppp_start_xmit(struct ppp_channel 
*ppp_channel,
+                                              skb->len,
+                                              notify_packet_sent,
+                                              network);
+-                      if (ret == -1) {
++                      if (ret < 0) {
+                               skb_pull(skb, 2);
+                               return 0;
+                       }
+@@ -134,7 +134,7 @@ static int ipwireless_ppp_start_xmit(struct ppp_channel 
*ppp_channel,
+                                              notify_packet_sent,
+                                              network);
+                       kfree(buf);
+-                      if (ret == -1)
++                      if (ret < 0)
+                               return 0;
+               }
+               kfree_skb(skb);
+diff --git a/drivers/tty/ipwireless/tty.c b/drivers/tty/ipwireless/tty.c
+index 1ef751c27ac6d..cb04971843306 100644
+--- a/drivers/tty/ipwireless/tty.c
++++ b/drivers/tty/ipwireless/tty.c
+@@ -218,7 +218,7 @@ static int ipw_write(struct tty_struct *linux_tty,
+       ret = ipwireless_send_packet(tty->hardware, IPW_CHANNEL_RAS,
+                              buf, count,
+                              ipw_write_packet_sent_callback, tty);
+-      if (ret == -1) {
++      if (ret < 0) {
+               mutex_unlock(&tty->ipw_tty_mutex);
+               return 0;
+       }
+diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
+index 2daccb10ae2f3..4b9f422694779 100644
+--- a/drivers/tty/serial/fsl_lpuart.c
++++ b/drivers/tty/serial/fsl_lpuart.c
+@@ -563,7 +563,7 @@ static void lpuart32_poll_put_char(struct uart_port *port, 
unsigned char c)
+ 
+ static int lpuart32_poll_get_char(struct uart_port *port)
+ {
+-      if (!(lpuart32_read(port, UARTSTAT) & UARTSTAT_RDRF))
++      if (!(lpuart32_read(port, UARTWATER) >> UARTWATER_RXCNT_OFF))
+               return NO_POLL_CHAR;
+ 
+       return lpuart32_read(port, UARTDATA);
+diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
+index 41453bf6fc0bd..7376f74a4f049 100644
+--- a/drivers/usb/class/cdc-acm.c
++++ b/drivers/usb/class/cdc-acm.c
+@@ -1275,9 +1275,21 @@ static int acm_probe(struct usb_interface *intf,
+                       }
+               }
+       } else {
++              int class = -1;
++
+               data_intf_num = union_header->bSlaveInterface0;
+               control_interface = usb_ifnum_to_if(usb_dev, 
union_header->bMasterInterface0);
+               data_interface = usb_ifnum_to_if(usb_dev, data_intf_num);
++
++              if (control_interface)
++                      class = 
control_interface->cur_altsetting->desc.bInterfaceClass;
++
++              if (class != USB_CLASS_COMM && class != USB_CLASS_CDC_DATA) {
++                      dev_dbg(&intf->dev, "Broken union descriptor, assuming 
single interface\n");
++                      combined_interfaces = 1;
++                      control_interface = data_interface = intf;
++                      goto look_for_collapsed_interface;
++              }
+       }
+ 
+       if (!control_interface || !data_interface) {
+@@ -1932,6 +1944,17 @@ static const struct usb_device_id acm_ids[] = {
+       .driver_info = IGNORE_DEVICE,
+       },
+ 
++      /* Exclude ETAS ES58x */
++      { USB_DEVICE(0x108c, 0x0159), /* ES581.4 */
++      .driver_info = IGNORE_DEVICE,
++      },
++      { USB_DEVICE(0x108c, 0x0168), /* ES582.1 */
++      .driver_info = IGNORE_DEVICE,
++      },
++      { USB_DEVICE(0x108c, 0x0169), /* ES584.1 */
++      .driver_info = IGNORE_DEVICE,
++      },
++
+       { USB_DEVICE(0x1bc7, 0x0021), /* Telit 3G ACM only composition */
+       .driver_info = SEND_ZERO_PACKET,
+       },
+diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
+index 4929c58830688..55ad4c43b3804 100644
+--- a/drivers/usb/class/cdc-wdm.c
++++ b/drivers/usb/class/cdc-wdm.c
+@@ -58,6 +58,9 @@ MODULE_DEVICE_TABLE (usb, wdm_ids);
+ 
+ #define WDM_MAX                       16
+ 
++/* we cannot wait forever at flush() */
++#define WDM_FLUSH_TIMEOUT     (30 * HZ)
++
+ /* CDC-WMC r1.1 requires wMaxCommand to be "at least 256 decimal (0x100)" */
+ #define WDM_DEFAULT_BUFSIZE   256
+ 
+@@ -151,7 +154,7 @@ static void wdm_out_callback(struct urb *urb)
+       kfree(desc->outbuf);
+       desc->outbuf = NULL;
+       clear_bit(WDM_IN_USE, &desc->flags);
+-      wake_up(&desc->wait);
++      wake_up_all(&desc->wait);
+ }
+ 
+ static void wdm_in_callback(struct urb *urb)
+@@ -393,6 +396,9 @@ static ssize_t wdm_write
+       if (test_bit(WDM_RESETTING, &desc->flags))
+               r = -EIO;
+ 
++      if (test_bit(WDM_DISCONNECTING, &desc->flags))
++              r = -ENODEV;
++
+       if (r < 0) {
+               rv = r;
+               goto out_free_mem_pm;
+@@ -424,6 +430,7 @@ static ssize_t wdm_write
+       if (rv < 0) {
+               desc->outbuf = NULL;
+               clear_bit(WDM_IN_USE, &desc->flags);
++              wake_up_all(&desc->wait); /* for wdm_wait_for_response() */
+               dev_err(&desc->intf->dev, "Tx URB error: %d\n", rv);
+               rv = usb_translate_errors(rv);
+               goto out_free_mem_pm;
+@@ -583,28 +590,58 @@ err:
+       return rv;
+ }
+ 
+-static int wdm_flush(struct file *file, fl_owner_t id)
++static int wdm_wait_for_response(struct file *file, long timeout)
+ {
+       struct wdm_device *desc = file->private_data;
++      long rv; /* Use long here because (int) MAX_SCHEDULE_TIMEOUT < 0. */
++
++      /*
++       * Needs both flags. We cannot do with one because resetting it would
++       * cause a race with write() yet we need to signal a disconnect.
++       */
++      rv = wait_event_interruptible_timeout(desc->wait,
++                            !test_bit(WDM_IN_USE, &desc->flags) ||
++                            test_bit(WDM_DISCONNECTING, &desc->flags),
++                            timeout);
+ 
+-      wait_event(desc->wait,
+-                      /*
+-                       * needs both flags. We cannot do with one
+-                       * because resetting it would cause a race
+-                       * with write() yet we need to signal
+-                       * a disconnect
+-                       */
+-                      !test_bit(WDM_IN_USE, &desc->flags) ||
+-                      test_bit(WDM_DISCONNECTING, &desc->flags));
+-
+-      /* cannot dereference desc->intf if WDM_DISCONNECTING */
++      /*
++       * To report the correct error. This is best effort.
++       * We are inevitably racing with the hardware.
++       */
+       if (test_bit(WDM_DISCONNECTING, &desc->flags))
+               return -ENODEV;
+-      if (desc->werr < 0)
+-              dev_err(&desc->intf->dev, "Error in flush path: %d\n",
+-                      desc->werr);
++      if (!rv)
++              return -EIO;
++      if (rv < 0)
++              return -EINTR;
++
++      spin_lock_irq(&desc->iuspin);
++      rv = desc->werr;
++      desc->werr = 0;
++      spin_unlock_irq(&desc->iuspin);
++
++      return usb_translate_errors(rv);
++
++}
++
++/*
++ * You need to send a signal when you react to malicious or defective 
hardware.
++ * Also, don't abort when fsync() returned -EINVAL, for older kernels which do
++ * not implement wdm_flush() will return -EINVAL.
++ */
++static int wdm_fsync(struct file *file, loff_t start, loff_t end, int 
datasync)
++{
++      return wdm_wait_for_response(file, MAX_SCHEDULE_TIMEOUT);
++}
+ 
+-      return usb_translate_errors(desc->werr);
++/*
++ * Same with wdm_fsync(), except it uses finite timeout in order to react to
++ * malicious or defective hardware which ceased communication after close() 
was
++ * implicitly called due to process termination.
++ */
++static int wdm_flush(struct file *file, fl_owner_t id)
++{
++      return wdm_wait_for_response(file, WDM_FLUSH_TIMEOUT);
+ }
+ 
+ static __poll_t wdm_poll(struct file *file, struct poll_table_struct *wait)
+@@ -729,6 +766,7 @@ static const struct file_operations wdm_fops = {
+       .owner =        THIS_MODULE,
+       .read =         wdm_read,
+       .write =        wdm_write,
++      .fsync =        wdm_fsync,
+       .open =         wdm_open,
+       .flush =        wdm_flush,
+       .release =      wdm_release,
+diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c
+index 5e844097a9e30..3cd7732c086e0 100644
+--- a/drivers/usb/core/urb.c
++++ b/drivers/usb/core/urb.c
+@@ -773,11 +773,12 @@ void usb_block_urb(struct urb *urb)
+ EXPORT_SYMBOL_GPL(usb_block_urb);
+ 
+ /**
+- * usb_kill_anchored_urbs - cancel transfer requests en masse
++ * usb_kill_anchored_urbs - kill all URBs associated with an anchor
+  * @anchor: anchor the requests are bound to
+  *
+- * this allows all outstanding URBs to be killed starting
+- * from the back of the queue
++ * This kills all outstanding URBs starting from the back of the queue,
++ * with guarantee that no completer callbacks will take place from the
++ * anchor after this function returns.
+  *
+  * This routine should not be called by a driver after its disconnect
+  * method has returned.
+@@ -785,20 +786,26 @@ EXPORT_SYMBOL_GPL(usb_block_urb);
+ void usb_kill_anchored_urbs(struct usb_anchor *anchor)
+ {
+       struct urb *victim;
++      int surely_empty;
+ 
+-      spin_lock_irq(&anchor->lock);
+-      while (!list_empty(&anchor->urb_list)) {
+-              victim = list_entry(anchor->urb_list.prev, struct urb,
+-                                  anchor_list);
+-              /* we must make sure the URB isn't freed before we kill it*/
+-              usb_get_urb(victim);
+-              spin_unlock_irq(&anchor->lock);
+-              /* this will unanchor the URB */
+-              usb_kill_urb(victim);
+-              usb_put_urb(victim);
++      do {
+               spin_lock_irq(&anchor->lock);
+-      }
+-      spin_unlock_irq(&anchor->lock);
++              while (!list_empty(&anchor->urb_list)) {
++                      victim = list_entry(anchor->urb_list.prev,
++                                          struct urb, anchor_list);
++                      /* make sure the URB isn't freed before we kill it */
++                      usb_get_urb(victim);
++                      spin_unlock_irq(&anchor->lock);
++                      /* this will unanchor the URB */
++                      usb_kill_urb(victim);
++                      usb_put_urb(victim);
++                      spin_lock_irq(&anchor->lock);
++              }
++              surely_empty = usb_anchor_check_wakeup(anchor);
++
++              spin_unlock_irq(&anchor->lock);
++              cpu_relax();
++      } while (!surely_empty);
+ }
+ EXPORT_SYMBOL_GPL(usb_kill_anchored_urbs);
+ 
+@@ -817,21 +824,27 @@ EXPORT_SYMBOL_GPL(usb_kill_anchored_urbs);
+ void usb_poison_anchored_urbs(struct usb_anchor *anchor)
+ {
+       struct urb *victim;
++      int surely_empty;
+ 
+-      spin_lock_irq(&anchor->lock);
+-      anchor->poisoned = 1;
+-      while (!list_empty(&anchor->urb_list)) {
+-              victim = list_entry(anchor->urb_list.prev, struct urb,
+-                                  anchor_list);
+-              /* we must make sure the URB isn't freed before we kill it*/
+-              usb_get_urb(victim);
+-              spin_unlock_irq(&anchor->lock);
+-              /* this will unanchor the URB */
+-              usb_poison_urb(victim);
+-              usb_put_urb(victim);
++      do {
+               spin_lock_irq(&anchor->lock);
+-      }
+-      spin_unlock_irq(&anchor->lock);
++              anchor->poisoned = 1;
++              while (!list_empty(&anchor->urb_list)) {
++                      victim = list_entry(anchor->urb_list.prev,
++                                          struct urb, anchor_list);
++                      /* make sure the URB isn't freed before we kill it */
++                      usb_get_urb(victim);
++                      spin_unlock_irq(&anchor->lock);
++                      /* this will unanchor the URB */
++                      usb_poison_urb(victim);
++                      usb_put_urb(victim);
++                      spin_lock_irq(&anchor->lock);
++              }
++              surely_empty = usb_anchor_check_wakeup(anchor);
++
++              spin_unlock_irq(&anchor->lock);
++              cpu_relax();
++      } while (!surely_empty);
+ }
+ EXPORT_SYMBOL_GPL(usb_poison_anchored_urbs);
+ 
+@@ -971,14 +984,20 @@ void usb_scuttle_anchored_urbs(struct usb_anchor *anchor)
+ {
+       struct urb *victim;
+       unsigned long flags;
++      int surely_empty;
++
++      do {
++              spin_lock_irqsave(&anchor->lock, flags);
++              while (!list_empty(&anchor->urb_list)) {
++                      victim = list_entry(anchor->urb_list.prev,
++                                          struct urb, anchor_list);
++                      __usb_unanchor_urb(victim, anchor);
++              }
++              surely_empty = usb_anchor_check_wakeup(anchor);
+ 
+-      spin_lock_irqsave(&anchor->lock, flags);
+-      while (!list_empty(&anchor->urb_list)) {
+-              victim = list_entry(anchor->urb_list.prev, struct urb,
+-                                  anchor_list);
+-              __usb_unanchor_urb(victim, anchor);
+-      }
+-      spin_unlock_irqrestore(&anchor->lock, flags);
++              spin_unlock_irqrestore(&anchor->lock, flags);
++              cpu_relax();
++      } while (!surely_empty);
+ }
+ 
+ EXPORT_SYMBOL_GPL(usb_scuttle_anchored_urbs);
+diff --git a/drivers/usb/dwc3/dwc3-of-simple.c 
b/drivers/usb/dwc3/dwc3-of-simple.c
+index 4c2771c5e7276..1ef89a4317c87 100644
+--- a/drivers/usb/dwc3/dwc3-of-simple.c
++++ b/drivers/usb/dwc3/dwc3-of-simple.c
+@@ -243,6 +243,7 @@ static const struct of_device_id of_dwc3_simple_match[] = {
+       { .compatible = "amlogic,meson-axg-dwc3" },
+       { .compatible = "amlogic,meson-gxl-dwc3" },
+       { .compatible = "allwinner,sun50i-h6-dwc3" },
++      { .compatible = "hisilicon,hi3670-dwc3" },
+       { /* Sentinel */ }
+ };
+ MODULE_DEVICE_TABLE(of, of_dwc3_simple_match);
+diff --git a/drivers/usb/gadget/function/f_ncm.c 
b/drivers/usb/gadget/function/f_ncm.c
+index 09bc917d407d4..e4aa370e86a9e 100644
+--- a/drivers/usb/gadget/function/f_ncm.c
++++ b/drivers/usb/gadget/function/f_ncm.c
+@@ -1523,7 +1523,7 @@ static int ncm_bind(struct usb_configuration *c, struct 
usb_function *f)
+               fs_ncm_notify_desc.bEndpointAddress;
+ 
+       status = usb_assign_descriptors(f, ncm_fs_function, ncm_hs_function,
+-                      ncm_ss_function, NULL);
++                      ncm_ss_function, ncm_ss_function);
+       if (status)
+               goto fail;
+ 
+diff --git a/drivers/usb/gadget/function/f_printer.c 
b/drivers/usb/gadget/function/f_printer.c
+index 9c7ed2539ff77..8ed1295d7e350 100644
+--- a/drivers/usb/gadget/function/f_printer.c
++++ b/drivers/usb/gadget/function/f_printer.c
+@@ -31,6 +31,7 @@
+ #include <linux/types.h>
+ #include <linux/ctype.h>
+ #include <linux/cdev.h>
++#include <linux/kref.h>
+ 
+ #include <asm/byteorder.h>
+ #include <linux/io.h>
+@@ -64,7 +65,7 @@ struct printer_dev {
+       struct usb_gadget       *gadget;
+       s8                      interface;
+       struct usb_ep           *in_ep, *out_ep;
+-
++      struct kref             kref;
+       struct list_head        rx_reqs;        /* List of free RX structs */
+       struct list_head        rx_reqs_active; /* List of Active RX xfers */
+       struct list_head        rx_buffers;     /* List of completed xfers */
+@@ -218,6 +219,13 @@ static inline struct usb_endpoint_descriptor 
*ep_desc(struct usb_gadget *gadget,
+ 
+ /*-------------------------------------------------------------------------*/
+ 
++static void printer_dev_free(struct kref *kref)
++{
++      struct printer_dev *dev = container_of(kref, struct printer_dev, kref);
++
++      kfree(dev);
++}
++
+ static struct usb_request *
+ printer_req_alloc(struct usb_ep *ep, unsigned len, gfp_t gfp_flags)
+ {
+@@ -348,6 +356,7 @@ printer_open(struct inode *inode, struct file *fd)
+ 
+       spin_unlock_irqrestore(&dev->lock, flags);
+ 
++      kref_get(&dev->kref);
+       DBG(dev, "printer_open returned %x\n", ret);
+       return ret;
+ }
+@@ -365,6 +374,7 @@ printer_close(struct inode *inode, struct file *fd)
+       dev->printer_status &= ~PRINTER_SELECTED;
+       spin_unlock_irqrestore(&dev->lock, flags);
+ 
++      kref_put(&dev->kref, printer_dev_free);
+       DBG(dev, "printer_close\n");
+ 
+       return 0;
+@@ -1350,7 +1360,8 @@ static void gprinter_free(struct usb_function *f)
+       struct f_printer_opts *opts;
+ 
+       opts = container_of(f->fi, struct f_printer_opts, func_inst);
+-      kfree(dev);
++
++      kref_put(&dev->kref, printer_dev_free);
+       mutex_lock(&opts->lock);
+       --opts->refcnt;
+       mutex_unlock(&opts->lock);
+@@ -1419,6 +1430,7 @@ static struct usb_function *gprinter_alloc(struct 
usb_function_instance *fi)
+               return ERR_PTR(-ENOMEM);
+       }
+ 
++      kref_init(&dev->kref);
+       ++opts->refcnt;
+       dev->minor = opts->minor;
+       dev->pnp_string = opts->pnp_string;
+diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
+index af11887f5f9e4..e88486d8084af 100644
+--- a/drivers/usb/host/ohci-hcd.c
++++ b/drivers/usb/host/ohci-hcd.c
+@@ -665,20 +665,24 @@ retry:
+ 
+       /* handle root hub init quirks ... */
+       val = roothub_a (ohci);
+-      val &= ~(RH_A_PSM | RH_A_OCPM);
++      /* Configure for per-port over-current protection by default */
++      val &= ~RH_A_NOCP;
++      val |= RH_A_OCPM;
+       if (ohci->flags & OHCI_QUIRK_SUPERIO) {
+-              /* NSC 87560 and maybe others */
++              /* NSC 87560 and maybe others.
++               * Ganged power switching, no over-current protection.
++               */
+               val |= RH_A_NOCP;
+-              val &= ~(RH_A_POTPGT | RH_A_NPS);
+-              ohci_writel (ohci, val, &ohci->regs->roothub.a);
++              val &= ~(RH_A_POTPGT | RH_A_NPS | RH_A_PSM | RH_A_OCPM);
+       } else if ((ohci->flags & OHCI_QUIRK_AMD756) ||
+                       (ohci->flags & OHCI_QUIRK_HUB_POWER)) {
+               /* hub power always on; required for AMD-756 and some
+-               * Mac platforms.  ganged overcurrent reporting, if any.
++               * Mac platforms.
+                */
+               val |= RH_A_NPS;
+-              ohci_writel (ohci, val, &ohci->regs->roothub.a);
+       }
++      ohci_writel(ohci, val, &ohci->regs->roothub.a);
++
+       ohci_writel (ohci, RH_HS_LPSC, &ohci->regs->roothub.status);
+       ohci_writel (ohci, (val & RH_A_NPS) ? 0 : RH_B_PPCM,
+                                               &ohci->regs->roothub.b);
+diff --git a/drivers/vfio/pci/vfio_pci_intrs.c 
b/drivers/vfio/pci/vfio_pci_intrs.c
+index bdfdd506bc588..c989f777bf771 100644
+--- a/drivers/vfio/pci/vfio_pci_intrs.c
++++ b/drivers/vfio/pci/vfio_pci_intrs.c
+@@ -355,11 +355,13 @@ static int vfio_msi_set_vector_signal(struct 
vfio_pci_device *vdev,
+       vdev->ctx[vector].producer.token = trigger;
+       vdev->ctx[vector].producer.irq = irq;
+       ret = irq_bypass_register_producer(&vdev->ctx[vector].producer);
+-      if (unlikely(ret))
++      if (unlikely(ret)) {
+               dev_info(&pdev->dev,
+               "irq bypass producer (token %p) registration fails: %d\n",
+               vdev->ctx[vector].producer.token, ret);
+ 
++              vdev->ctx[vector].producer.token = NULL;
++      }
+       vdev->ctx[vector].trigger = trigger;
+ 
+       return 0;
+diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
+index 05d8553635ee7..95ce167a8ad92 100644
+--- a/drivers/vfio/vfio_iommu_type1.c
++++ b/drivers/vfio/vfio_iommu_type1.c
+@@ -636,7 +636,8 @@ static int vfio_iommu_type1_pin_pages(void *iommu_data,
+ 
+               ret = vfio_add_to_pfn_list(dma, iova, phys_pfn[i]);
+               if (ret) {
+-                      vfio_unpin_page_external(dma, iova, do_accounting);
++                      if (put_pfn(phys_pfn[i], dma->prot) && do_accounting)
++                              vfio_lock_acct(dma, -1, true);
+                       goto pin_unwind;
+               }
+       }
+diff --git a/drivers/watchdog/sp5100_tco.h b/drivers/watchdog/sp5100_tco.h
+index 87eaf357ae01f..adf015aa4126f 100644
+--- a/drivers/watchdog/sp5100_tco.h
++++ b/drivers/watchdog/sp5100_tco.h
+@@ -70,7 +70,7 @@
+ #define EFCH_PM_DECODEEN_WDT_TMREN    BIT(7)
+ 
+ 
+-#define EFCH_PM_DECODEEN3             0x00
++#define EFCH_PM_DECODEEN3             0x03
+ #define EFCH_PM_DECODEEN_SECOND_RES   GENMASK(1, 0)
+ #define EFCH_PM_WATCHDOG_DISABLE      ((u8)GENMASK(3, 2))
+ 
+diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c
+index 1c322caecf7f1..8fe59b7d8eec8 100644
+--- a/drivers/watchdog/watchdog_dev.c
++++ b/drivers/watchdog/watchdog_dev.c
+@@ -944,8 +944,10 @@ static int watchdog_cdev_register(struct watchdog_device 
*wdd)
+       wd_data->wdd = wdd;
+       wdd->wd_data = wd_data;
+ 
+-      if (IS_ERR_OR_NULL(watchdog_kworker))
++      if (IS_ERR_OR_NULL(watchdog_kworker)) {
++              kfree(wd_data);
+               return -ENODEV;
++      }
+ 
+       device_initialize(&wd_data->dev);
+       wd_data->dev.devt = MKDEV(MAJOR(watchdog_devt), wdd->id);
+@@ -971,7 +973,7 @@ static int watchdog_cdev_register(struct watchdog_device 
*wdd)
+                               pr_err("%s: a legacy watchdog module is 
probably present.\n",
+                                       wdd->info->identity);
+                       old_wd_data = NULL;
+-                      kfree(wd_data);
++                      put_device(&wd_data->dev);
+                       return err;
+               }
+       }
+diff --git a/fs/dlm/config.c b/fs/dlm/config.c
+index 1270551d24e38..f13d865244501 100644
+--- a/fs/dlm/config.c
++++ b/fs/dlm/config.c
+@@ -218,6 +218,7 @@ struct dlm_space {
+       struct list_head members;
+       struct mutex members_lock;
+       int members_count;
++      struct dlm_nodes *nds;
+ };
+ 
+ struct dlm_comms {
+@@ -426,6 +427,7 @@ static struct config_group *make_space(struct config_group 
*g, const char *name)
+       INIT_LIST_HEAD(&sp->members);
+       mutex_init(&sp->members_lock);
+       sp->members_count = 0;
++      sp->nds = nds;
+       return &sp->group;
+ 
+  fail:
+@@ -447,6 +449,7 @@ static void drop_space(struct config_group *g, struct 
config_item *i)
+ static void release_space(struct config_item *i)
+ {
+       struct dlm_space *sp = config_item_to_space(i);
++      kfree(sp->nds);
+       kfree(sp);
+ }
+ 
+diff --git a/fs/ext4/fsmap.c b/fs/ext4/fsmap.c
+index 4b99e2db95b8b..6f3f245f3a803 100644
+--- a/fs/ext4/fsmap.c
++++ b/fs/ext4/fsmap.c
+@@ -108,6 +108,9 @@ static int ext4_getfsmap_helper(struct super_block *sb,
+ 
+       /* Are we just counting mappings? */
+       if (info->gfi_head->fmh_count == 0) {
++              if (info->gfi_head->fmh_entries == UINT_MAX)
++                      return EXT4_QUERY_RANGE_ABORT;
++
+               if (rec_fsblk > info->gfi_next_fsblk)
+                       info->gfi_head->fmh_entries++;
+ 
+diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
+index 9a59f49ba4050..89b6c33ba6a42 100644
+--- a/fs/f2fs/sysfs.c
++++ b/fs/f2fs/sysfs.c
+@@ -717,4 +717,5 @@ void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi)
+       }
+       kobject_del(&sbi->s_kobj);
+       kobject_put(&sbi->s_kobj);
++      wait_for_completion(&sbi->s_kobj_unregister);
+ }
+diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c
+index bd3221cbdd956..0d4b5b9843b62 100644
+--- a/fs/ntfs/inode.c
++++ b/fs/ntfs/inode.c
+@@ -1835,6 +1835,12 @@ int ntfs_read_inode_mount(struct inode *vi)
+               brelse(bh);
+       }
+ 
++      if (le32_to_cpu(m->bytes_allocated) != vol->mft_record_size) {
++              ntfs_error(sb, "Incorrect mft record size %u in superblock, 
should be %u.",
++                              le32_to_cpu(m->bytes_allocated), 
vol->mft_record_size);
++              goto err_out;
++      }
++
+       /* Apply the mst fixups. */
+       if (post_read_mst_fixup((NTFS_RECORD*)m, vol->mft_record_size)) {
+               /* FIXME: Try to use the $MFTMirr now. */
+diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c
+index 3ac1f23870837..5e1ebbe639ebf 100644
+--- a/fs/ramfs/file-nommu.c
++++ b/fs/ramfs/file-nommu.c
+@@ -228,7 +228,7 @@ static unsigned long ramfs_nommu_get_unmapped_area(struct 
file *file,
+       if (!pages)
+               goto out_free;
+ 
+-      nr = find_get_pages(inode->i_mapping, &pgoff, lpages, pages);
++      nr = find_get_pages_contig(inode->i_mapping, pgoff, lpages, pages);
+       if (nr != lpages)
+               goto out_free_pages; /* leave if some pages were missing */
+ 
+diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
+index 70387650436cf..ac35ddf0dd603 100644
+--- a/fs/reiserfs/inode.c
++++ b/fs/reiserfs/inode.c
+@@ -2161,7 +2161,8 @@ out_end_trans:
+ out_inserted_sd:
+       clear_nlink(inode);
+       th->t_trans_id = 0;     /* so the caller can't use this handle later */
+-      unlock_new_inode(inode); /* OK to do even if we hadn't locked it */
++      if (inode->i_state & I_NEW)
++              unlock_new_inode(inode);
+       iput(inode);
+       return err;
+ }
+diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
+index de5eda33c92a0..ec5716dd58c23 100644
+--- a/fs/reiserfs/super.c
++++ b/fs/reiserfs/super.c
+@@ -1264,6 +1264,10 @@ static int reiserfs_parse_options(struct super_block *s,
+                                                "turned on.");
+                               return 0;
+                       }
++                      if (qf_names[qtype] !=
++                          REISERFS_SB(s)->s_qf_names[qtype])
++                              kfree(qf_names[qtype]);
++                      qf_names[qtype] = NULL;
+                       if (*arg) {     /* Some filename specified? */
+                               if (REISERFS_SB(s)->s_qf_names[qtype]
+                                   && strcmp(REISERFS_SB(s)->s_qf_names[qtype],
+@@ -1293,10 +1297,6 @@ static int reiserfs_parse_options(struct super_block *s,
+                               else
+                                       *mount_options |= 1 << 
REISERFS_GRPQUOTA;
+                       } else {
+-                              if (qf_names[qtype] !=
+-                                  REISERFS_SB(s)->s_qf_names[qtype])
+-                                      kfree(qf_names[qtype]);
+-                              qf_names[qtype] = NULL;
+                               if (qtype == USRQUOTA)
+                                       *mount_options &= ~(1 << 
REISERFS_USRQUOTA);
+                               else
+diff --git a/fs/udf/inode.c b/fs/udf/inode.c
+index 4c46ebf0e773b..3bf89a6338367 100644
+--- a/fs/udf/inode.c
++++ b/fs/udf/inode.c
+@@ -132,21 +132,24 @@ void udf_evict_inode(struct inode *inode)
+       struct udf_inode_info *iinfo = UDF_I(inode);
+       int want_delete = 0;
+ 
+-      if (!inode->i_nlink && !is_bad_inode(inode)) {
+-              want_delete = 1;
+-              udf_setsize(inode, 0);
+-              udf_update_inode(inode, IS_SYNC(inode));
++      if (!is_bad_inode(inode)) {
++              if (!inode->i_nlink) {
++                      want_delete = 1;
++                      udf_setsize(inode, 0);
++                      udf_update_inode(inode, IS_SYNC(inode));
++              }
++              if (iinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB &&
++                  inode->i_size != iinfo->i_lenExtents) {
++                      udf_warn(inode->i_sb,
++                               "Inode %lu (mode %o) has inode size %llu 
different from extent length %llu. Filesystem need not be standards 
compliant.\n",
++                               inode->i_ino, inode->i_mode,
++                               (unsigned long long)inode->i_size,
++                               (unsigned long long)iinfo->i_lenExtents);
++              }
+       }
+       truncate_inode_pages_final(&inode->i_data);
+       invalidate_inode_buffers(inode);
+       clear_inode(inode);
+-      if (iinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB &&
+-          inode->i_size != iinfo->i_lenExtents) {
+-              udf_warn(inode->i_sb, "Inode %lu (mode %o) has inode size %llu 
different from extent length %llu. Filesystem need not be standards 
compliant.\n",
+-                       inode->i_ino, inode->i_mode,
+-                       (unsigned long long)inode->i_size,
+-                       (unsigned long long)iinfo->i_lenExtents);
+-      }
+       kfree(iinfo->i_ext.i_data);
+       iinfo->i_ext.i_data = NULL;
+       udf_clear_extent_cache(inode);
+diff --git a/fs/udf/super.c b/fs/udf/super.c
+index 1676a175cd7a8..caeb01ca039b7 100644
+--- a/fs/udf/super.c
++++ b/fs/udf/super.c
+@@ -1349,6 +1349,12 @@ static int udf_load_sparable_map(struct super_block *sb,
+                       (int)spm->numSparingTables);
+               return -EIO;
+       }
++      if (le32_to_cpu(spm->sizeSparingTable) > sb->s_blocksize) {
++              udf_err(sb, "error loading logical volume descriptor: "
++                      "Too big sparing table size (%u)\n",
++                      le32_to_cpu(spm->sizeSparingTable));
++              return -EIO;
++      }
+ 
+       for (i = 0; i < spm->numSparingTables; i++) {
+               loc = le32_to_cpu(spm->locSparingTable[i]);
+diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c
+index 484eb0adcefb2..08da48b662358 100644
+--- a/fs/xfs/xfs_rtalloc.c
++++ b/fs/xfs/xfs_rtalloc.c
+@@ -245,6 +245,9 @@ xfs_rtallocate_extent_block(
+               end = XFS_BLOCKTOBIT(mp, bbno + 1) - 1;
+            i <= end;
+            i++) {
++              /* Make sure we don't scan off the end of the rt volume. */
++              maxlen = min(mp->m_sb.sb_rextents, i + maxlen) - i;
++
+               /*
+                * See if there's a free extent of maxlen starting at i.
+                * If it's not so then next will contain the first non-free.
+@@ -440,6 +443,14 @@ xfs_rtallocate_extent_near(
+        */
+       if (bno >= mp->m_sb.sb_rextents)
+               bno = mp->m_sb.sb_rextents - 1;
++
++      /* Make sure we don't run off the end of the rt volume. */
++      maxlen = min(mp->m_sb.sb_rextents, bno + maxlen) - bno;
++      if (maxlen < minlen) {
++              *rtblock = NULLRTBLOCK;
++              return 0;
++      }
++
+       /*
+        * Try the exact allocation first.
+        */
+diff --git a/include/linux/overflow.h b/include/linux/overflow.h
+index 15eb85de92269..4564a175e6814 100644
+--- a/include/linux/overflow.h
++++ b/include/linux/overflow.h
+@@ -3,6 +3,7 @@
+ #define __LINUX_OVERFLOW_H
+ 
+ #include <linux/compiler.h>
++#include <linux/limits.h>
+ 
+ /*
+  * In the fallback code below, we need to compute the minimum and
+diff --git a/include/scsi/scsi_common.h b/include/scsi/scsi_common.h
+index 731ac09ed2313..5b567b43e1b16 100644
+--- a/include/scsi/scsi_common.h
++++ b/include/scsi/scsi_common.h
+@@ -25,6 +25,13 @@ scsi_command_size(const unsigned char *cmnd)
+               scsi_varlen_cdb_length(cmnd) : COMMAND_SIZE(cmnd[0]);
+ }
+ 
++static inline unsigned char
++scsi_command_control(const unsigned char *cmnd)
++{
++      return (cmnd[0] == VARIABLE_LENGTH_CMD) ?
++              cmnd[1] : cmnd[COMMAND_SIZE(cmnd[0]) - 1];
++}
++
+ /* Returns a human-readable name for the device */
+ extern const char *scsi_device_type(unsigned type);
+ 
+diff --git a/include/trace/events/target.h b/include/trace/events/target.h
+index 914a872dd3435..e87a3716b0ac9 100644
+--- a/include/trace/events/target.h
++++ b/include/trace/events/target.h
+@@ -140,6 +140,7 @@ TRACE_EVENT(target_sequencer_start,
+               __field( unsigned int,  opcode          )
+               __field( unsigned int,  data_length     )
+               __field( unsigned int,  task_attribute  )
++              __field( unsigned char, control         )
+               __array( unsigned char, cdb, TCM_MAX_COMMAND_SIZE       )
+               __string( initiator,    
cmd->se_sess->se_node_acl->initiatorname        )
+       ),
+@@ -149,6 +150,7 @@ TRACE_EVENT(target_sequencer_start,
+               __entry->opcode         = cmd->t_task_cdb[0];
+               __entry->data_length    = cmd->data_length;
+               __entry->task_attribute = cmd->sam_task_attr;
++              __entry->control        = scsi_command_control(cmd->t_task_cdb);
+               memcpy(__entry->cdb, cmd->t_task_cdb, TCM_MAX_COMMAND_SIZE);
+               __assign_str(initiator, 
cmd->se_sess->se_node_acl->initiatorname);
+       ),
+@@ -158,9 +160,7 @@ TRACE_EVENT(target_sequencer_start,
+                 show_opcode_name(__entry->opcode),
+                 __entry->data_length, __print_hex(__entry->cdb, 16),
+                 show_task_attribute_name(__entry->task_attribute),
+-                scsi_command_size(__entry->cdb) <= 16 ?
+-                      __entry->cdb[scsi_command_size(__entry->cdb) - 1] :
+-                      __entry->cdb[1]
++                __entry->control
+       )
+ );
+ 
+@@ -175,6 +175,7 @@ TRACE_EVENT(target_cmd_complete,
+               __field( unsigned int,  opcode          )
+               __field( unsigned int,  data_length     )
+               __field( unsigned int,  task_attribute  )
++              __field( unsigned char, control         )
+               __field( unsigned char, scsi_status     )
+               __field( unsigned char, sense_length    )
+               __array( unsigned char, cdb, TCM_MAX_COMMAND_SIZE       )
+@@ -187,6 +188,7 @@ TRACE_EVENT(target_cmd_complete,
+               __entry->opcode         = cmd->t_task_cdb[0];
+               __entry->data_length    = cmd->data_length;
+               __entry->task_attribute = cmd->sam_task_attr;
++              __entry->control        = scsi_command_control(cmd->t_task_cdb);
+               __entry->scsi_status    = cmd->scsi_status;
+               __entry->sense_length   = cmd->scsi_status == 
SAM_STAT_CHECK_CONDITION ?
+                       min(18, ((u8 *) 
cmd->sense_buffer)[SPC_ADD_SENSE_LEN_OFFSET] + 8) : 0;
+@@ -203,9 +205,7 @@ TRACE_EVENT(target_cmd_complete,
+                 show_opcode_name(__entry->opcode),
+                 __entry->data_length, __print_hex(__entry->cdb, 16),
+                 show_task_attribute_name(__entry->task_attribute),
+-                scsi_command_size(__entry->cdb) <= 16 ?
+-                      __entry->cdb[scsi_command_size(__entry->cdb) - 1] :
+-                      __entry->cdb[1]
++                __entry->control
+       )
+ );
+ 
+diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
+index f35eb72739c09..5fb4cdf37100c 100644
+--- a/include/uapi/linux/perf_event.h
++++ b/include/uapi/linux/perf_event.h
+@@ -1079,7 +1079,7 @@ union perf_mem_data_src {
+ 
+ #define PERF_MEM_SNOOPX_FWD   0x01 /* forward */
+ /* 1 free */
+-#define PERF_MEM_SNOOPX_SHIFT 37
++#define PERF_MEM_SNOOPX_SHIFT  38
+ 
+ /* locked instruction */
+ #define PERF_MEM_LOCK_NA      0x01 /* not available */
+diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c
+index 6a4b41484afe6..b45576ca3b0da 100644
+--- a/kernel/debug/kdb/kdb_io.c
++++ b/kernel/debug/kdb/kdb_io.c
+@@ -679,12 +679,16 @@ int vkdb_printf(enum kdb_msgsrc src, const char *fmt, 
va_list ap)
+                       size_avail = sizeof(kdb_buffer) - len;
+                       goto kdb_print_out;
+               }
+-              if (kdb_grepping_flag >= KDB_GREPPING_FLAG_SEARCH)
++              if (kdb_grepping_flag >= KDB_GREPPING_FLAG_SEARCH) {
+                       /*
+                        * This was a interactive search (using '/' at more
+-                       * prompt) and it has completed. Clear the flag.
++                       * prompt) and it has completed. Replace the \0 with
++                       * its original value to ensure multi-line strings
++                       * are handled properly, and return to normal mode.
+                        */
++                      *cphold = replaced_byte;
+                       kdb_grepping_flag = 0;
++              }
+               /*
+                * at this point the string is a full line and
+                * should be printed, up to the null.
+diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
+index 537a2a3c1dea2..28db51274ed0e 100644
+--- a/kernel/power/hibernate.c
++++ b/kernel/power/hibernate.c
+@@ -842,17 +842,6 @@ static int software_resume(void)
+ 
+       /* Check if the device is there */
+       swsusp_resume_device = name_to_dev_t(resume_file);
+-
+-      /*
+-       * name_to_dev_t is ineffective to verify parition if resume_file is in
+-       * integer format. (e.g. major:minor)
+-       */
+-      if (isdigit(resume_file[0]) && resume_wait) {
+-              int partno;
+-              while (!get_gendisk(swsusp_resume_device, &partno))
+-                      msleep(10);
+-      }
+-
+       if (!swsusp_resume_device) {
+               /*
+                * Some device discovery might still be in progress; we need
+diff --git a/kernel/sched/core.c b/kernel/sched/core.c
+index faef74f632620..b166320f7633e 100644
+--- a/kernel/sched/core.c
++++ b/kernel/sched/core.c
+@@ -24,7 +24,7 @@
+ 
+ DEFINE_PER_CPU_SHARED_ALIGNED(struct rq, runqueues);
+ 
+-#if defined(CONFIG_SCHED_DEBUG) && defined(CONFIG_JUMP_LABEL)
++#ifdef CONFIG_SCHED_DEBUG
+ /*
+  * Debugging: various feature bits
+  *
+diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
+index 5f0eb4565957f..41b7954be68b7 100644
+--- a/kernel/sched/sched.h
++++ b/kernel/sched/sched.h
+@@ -1361,7 +1361,7 @@ enum {
+ 
+ #undef SCHED_FEAT
+ 
+-#if defined(CONFIG_SCHED_DEBUG) && defined(CONFIG_JUMP_LABEL)
++#ifdef CONFIG_SCHED_DEBUG
+ 
+ /*
+  * To support run-time toggling of sched features, all the translation units
+@@ -1369,6 +1369,7 @@ enum {
+  */
+ extern const_debug unsigned int sysctl_sched_features;
+ 
++#ifdef CONFIG_JUMP_LABEL
+ #define SCHED_FEAT(name, enabled)                                     \
+ static __always_inline bool static_branch_##name(struct static_key *key) \
+ {                                                                     \
+@@ -1381,7 +1382,13 @@ static __always_inline bool static_branch_##name(struct 
static_key *key) \
+ extern struct static_key sched_feat_keys[__SCHED_FEAT_NR];
+ #define sched_feat(x) (static_branch_##x(&sched_feat_keys[__SCHED_FEAT_##x]))
+ 
+-#else /* !(SCHED_DEBUG && CONFIG_JUMP_LABEL) */
++#else /* !CONFIG_JUMP_LABEL */
++
++#define sched_feat(x) (sysctl_sched_features & (1UL << __SCHED_FEAT_##x))
++
++#endif /* CONFIG_JUMP_LABEL */
++
++#else /* !SCHED_DEBUG */
+ 
+ /*
+  * Each translation unit has its own copy of sysctl_sched_features to allow
+@@ -1397,7 +1404,7 @@ static const_debug __maybe_unused unsigned int 
sysctl_sched_features =
+ 
+ #define sched_feat(x) !!(sysctl_sched_features & (1UL << __SCHED_FEAT_##x))
+ 
+-#endif /* SCHED_DEBUG && CONFIG_JUMP_LABEL */
++#endif /* SCHED_DEBUG */
+ 
+ extern struct static_key_false sched_numa_balancing;
+ extern struct static_key_false sched_schedstats;
+diff --git a/lib/crc32.c b/lib/crc32.c
+index a6c9afafc8c85..1a5d08470044e 100644
+--- a/lib/crc32.c
++++ b/lib/crc32.c
+@@ -328,7 +328,7 @@ static inline u32 __pure crc32_be_generic(u32 crc, 
unsigned char const *p,
+       return crc;
+ }
+ 
+-#if CRC_LE_BITS == 1
++#if CRC_BE_BITS == 1
+ u32 __pure crc32_be(u32 crc, unsigned char const *p, size_t len)
+ {
+       return crc32_be_generic(crc, p, len, NULL, CRC32_POLY_BE);
+diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
+index 2a85dc3be8bf3..198a1fdd6709e 100644
+--- a/net/bluetooth/l2cap_sock.c
++++ b/net/bluetooth/l2cap_sock.c
+@@ -1341,8 +1341,6 @@ static void l2cap_sock_teardown_cb(struct l2cap_chan 
*chan, int err)
+ 
+       parent = bt_sk(sk)->parent;
+ 
+-      sock_set_flag(sk, SOCK_ZAPPED);
+-
+       switch (chan->state) {
+       case BT_OPEN:
+       case BT_BOUND:
+@@ -1369,8 +1367,11 @@ static void l2cap_sock_teardown_cb(struct l2cap_chan 
*chan, int err)
+ 
+               break;
+       }
+-
+       release_sock(sk);
++
++      /* Only zap after cleanup to avoid use after free race */
++      sock_set_flag(sk, SOCK_ZAPPED);
++
+ }
+ 
+ static void l2cap_sock_state_change_cb(struct l2cap_chan *chan, int state,
+diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
+index ffcb5983107db..de6f89511a216 100644
+--- a/net/ipv4/ip_gre.c
++++ b/net/ipv4/ip_gre.c
+@@ -680,9 +680,7 @@ static netdev_tx_t ipgre_xmit(struct sk_buff *skb,
+       }
+ 
+       if (dev->header_ops) {
+-              /* Need space for new headers */
+-              if (skb_cow_head(skb, dev->needed_headroom -
+-                                    (tunnel->hlen + sizeof(struct iphdr))))
++              if (skb_cow_head(skb, 0))
+                       goto free_skb;
+ 
+               tnl_params = (const struct iphdr *)skb->data;
+@@ -800,7 +798,11 @@ static void ipgre_link_update(struct net_device *dev, 
bool set_mtu)
+       len = tunnel->tun_hlen - len;
+       tunnel->hlen = tunnel->hlen + len;
+ 
+-      dev->needed_headroom = dev->needed_headroom + len;
++      if (dev->header_ops)
++              dev->hard_header_len += len;
++      else
++              dev->needed_headroom += len;
++
+       if (set_mtu)
+               dev->mtu = max_t(int, dev->mtu - len, 68);
+ 
+@@ -1003,6 +1005,7 @@ static void __gre_tunnel_init(struct net_device *dev)
+       tunnel->parms.iph.protocol = IPPROTO_GRE;
+ 
+       tunnel->hlen = tunnel->tun_hlen + tunnel->encap_hlen;
++      dev->needed_headroom = tunnel->hlen + sizeof(tunnel->parms.iph);
+ 
+       dev->features           |= GRE_FEATURES;
+       dev->hw_features        |= GRE_FEATURES;
+@@ -1046,10 +1049,14 @@ static int ipgre_tunnel_init(struct net_device *dev)
+                               return -EINVAL;
+                       dev->flags = IFF_BROADCAST;
+                       dev->header_ops = &ipgre_header_ops;
++                      dev->hard_header_len = tunnel->hlen + sizeof(*iph);
++                      dev->needed_headroom = 0;
+               }
+ #endif
+       } else if (!tunnel->collect_md) {
+               dev->header_ops = &ipgre_header_ops;
++              dev->hard_header_len = tunnel->hlen + sizeof(*iph);
++              dev->needed_headroom = 0;
+       }
+ 
+       return ip_tunnel_init(dev);
+diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
+index b6670e74aeb7b..9926455dd546d 100644
+--- a/net/mac80211/cfg.c
++++ b/net/mac80211/cfg.c
+@@ -664,7 +664,8 @@ void sta_set_rate_info_tx(struct sta_info *sta,
+               u16 brate;
+ 
+               sband = ieee80211_get_sband(sta->sdata);
+-              if (sband) {
++              WARN_ON_ONCE(sband && !sband->bitrates);
++              if (sband && sband->bitrates) {
+                       brate = sband->bitrates[rate->idx].bitrate;
+                       rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
+               }
+diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
+index 2a82d438991b5..9968b8a976f19 100644
+--- a/net/mac80211/sta_info.c
++++ b/net/mac80211/sta_info.c
+@@ -2009,6 +2009,10 @@ static void sta_stats_decode_rate(struct 
ieee80211_local *local, u32 rate,
+               int rate_idx = STA_STATS_GET(LEGACY_IDX, rate);
+ 
+               sband = local->hw.wiphy->bands[band];
++
++              if (WARN_ON_ONCE(!sband->bitrates))
++                      break;
++
+               brate = sband->bitrates[rate_idx].bitrate;
+               if (rinfo->bw == RATE_INFO_BW_5)
+                       shift = 2;
+diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
+index c339b5e386b78..3ad1de081e3c7 100644
+--- a/net/netfilter/ipvs/ip_vs_ctl.c
++++ b/net/netfilter/ipvs/ip_vs_ctl.c
+@@ -2393,6 +2393,10 @@ do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user 
*user, unsigned int len)
+               /* Set timeout values for (tcp tcpfin udp) */
+               ret = ip_vs_set_timeout(ipvs, (struct ip_vs_timeout_user *)arg);
+               goto out_unlock;
++      } else if (!len) {
++              /* No more commands with len == 0 below */
++              ret = -EINVAL;
++              goto out_unlock;
+       }
+ 
+       usvc_compat = (struct ip_vs_service_user *)arg;
+@@ -2469,9 +2473,6 @@ do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user 
*user, unsigned int len)
+               break;
+       case IP_VS_SO_SET_DELDEST:
+               ret = ip_vs_del_dest(svc, &udest);
+-              break;
+-      default:
+-              ret = -EINVAL;
+       }
+ 
+   out_unlock:
+diff --git a/net/netfilter/nf_conntrack_proto_tcp.c 
b/net/netfilter/nf_conntrack_proto_tcp.c
+index 7011ab27c4371..40f8a1252394b 100644
+--- a/net/netfilter/nf_conntrack_proto_tcp.c
++++ b/net/netfilter/nf_conntrack_proto_tcp.c
+@@ -549,13 +549,20 @@ static bool tcp_in_window(const struct nf_conn *ct,
+                       swin = win << sender->td_scale;
+                       sender->td_maxwin = (swin == 0 ? 1 : swin);
+                       sender->td_maxend = end + sender->td_maxwin;
+-                      /*
+-                       * We haven't seen traffic in the other direction yet
+-                       * but we have to tweak window tracking to pass III
+-                       * and IV until that happens.
+-                       */
+-                      if (receiver->td_maxwin == 0)
++                      if (receiver->td_maxwin == 0) {
++                              /* We haven't seen traffic in the other
++                               * direction yet but we have to tweak window
++                               * tracking to pass III and IV until that
++                               * happens.
++                               */
+                               receiver->td_end = receiver->td_maxend = sack;
++                      } else if (sack == receiver->td_end + 1) {
++                              /* Likely a reply to a keepalive.
++                               * Needed for III.
++                               */
++                              receiver->td_end++;
++                      }
++
+               }
+       } else if (((state->state == TCP_CONNTRACK_SYN_SENT
+                    && dir == IP_CT_DIR_ORIGINAL)
+diff --git a/net/netfilter/nf_dup_netdev.c b/net/netfilter/nf_dup_netdev.c
+index f4a566e672135..98d117f3340ce 100644
+--- a/net/netfilter/nf_dup_netdev.c
++++ b/net/netfilter/nf_dup_netdev.c
+@@ -21,6 +21,7 @@ static void nf_do_netdev_egress(struct sk_buff *skb, struct 
net_device *dev)
+               skb_push(skb, skb->mac_len);
+ 
+       skb->dev = dev;
++      skb->tstamp = 0;
+       dev_queue_xmit(skb);
+ }
+ 
+diff --git a/net/netfilter/nft_fwd_netdev.c b/net/netfilter/nft_fwd_netdev.c
+index 649edbe77a205..10a12e0949299 100644
+--- a/net/netfilter/nft_fwd_netdev.c
++++ b/net/netfilter/nft_fwd_netdev.c
+@@ -129,6 +129,7 @@ static void nft_fwd_neigh_eval(const struct nft_expr *expr,
+               return;
+ 
+       skb->dev = dev;
++      skb->tstamp = 0;
+       neigh_xmit(neigh_table, dev, addr, skb);
+ out:
+       regs->verdict.code = verdict;
+diff --git a/net/sunrpc/auth_gss/svcauth_gss.c 
b/net/sunrpc/auth_gss/svcauth_gss.c
+index 68259eec6afd1..ab086081be9c7 100644
+--- a/net/sunrpc/auth_gss/svcauth_gss.c
++++ b/net/sunrpc/auth_gss/svcauth_gss.c
+@@ -1079,9 +1079,9 @@ static int gss_read_proxy_verf(struct svc_rqst *rqstp,
+                              struct gssp_in_token *in_token)
+ {
+       struct kvec *argv = &rqstp->rq_arg.head[0];
+-      unsigned int page_base, length;
+-      int pages, i, res;
+-      size_t inlen;
++      unsigned int length, pgto_offs, pgfrom_offs;
++      int pages, i, res, pgto, pgfrom;
++      size_t inlen, to_offs, from_offs;
+ 
+       res = gss_read_common_verf(gc, argv, authp, in_handle);
+       if (res)
+@@ -1109,17 +1109,24 @@ static int gss_read_proxy_verf(struct svc_rqst *rqstp,
+       memcpy(page_address(in_token->pages[0]), argv->iov_base, length);
+       inlen -= length;
+ 
+-      i = 1;
+-      page_base = rqstp->rq_arg.page_base;
++      to_offs = length;
++      from_offs = rqstp->rq_arg.page_base;
+       while (inlen) {
+-              length = min_t(unsigned int, inlen, PAGE_SIZE);
+-              memcpy(page_address(in_token->pages[i]),
+-                     page_address(rqstp->rq_arg.pages[i]) + page_base,
++              pgto = to_offs >> PAGE_SHIFT;
++              pgfrom = from_offs >> PAGE_SHIFT;
++              pgto_offs = to_offs & ~PAGE_MASK;
++              pgfrom_offs = from_offs & ~PAGE_MASK;
++
++              length = min_t(unsigned int, inlen,
++                       min_t(unsigned int, PAGE_SIZE - pgto_offs,
++                             PAGE_SIZE - pgfrom_offs));
++              memcpy(page_address(in_token->pages[pgto]) + pgto_offs,
++                     page_address(rqstp->rq_arg.pages[pgfrom]) + pgfrom_offs,
+                      length);
+ 
++              to_offs += length;
++              from_offs += length;
+               inlen -= length;
+-              page_base = 0;
+-              i++;
+       }
+       return 0;
+ }
+diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c 
b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
+index aa4d19a780d78..4062cd624b26f 100644
+--- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c
++++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
+@@ -639,10 +639,11 @@ static int svc_rdma_pull_up_reply_msg(struct 
svcxprt_rdma *rdma,
+               while (remaining) {
+                       len = min_t(u32, PAGE_SIZE - pageoff, remaining);
+ 
+-                      memcpy(dst, page_address(*ppages), len);
++                      memcpy(dst, page_address(*ppages) + pageoff, len);
+                       remaining -= len;
+                       dst += len;
+                       pageoff = 0;
++                      ppages++;
+               }
+       }
+ 
+diff --git a/samples/mic/mpssd/mpssd.c b/samples/mic/mpssd/mpssd.c
+index f42ce551bb48f..a50d27473e125 100644
+--- a/samples/mic/mpssd/mpssd.c
++++ b/samples/mic/mpssd/mpssd.c
+@@ -414,9 +414,9 @@ mic_virtio_copy(struct mic_info *mic, int fd,
+ 
+ static inline unsigned _vring_size(unsigned int num, unsigned long align)
+ {
+-      return ((sizeof(struct vring_desc) * num + sizeof(__u16) * (3 + num)
++      return _ALIGN_UP(((sizeof(struct vring_desc) * num + sizeof(__u16) * (3 
+ num)
+                               + align - 1) & ~(align - 1))
+-              + sizeof(__u16) * 3 + sizeof(struct vring_used_elem) * num;
++              + sizeof(__u16) * 3 + sizeof(struct vring_used_elem) * num, 4);
+ }
+ 
+ /*
+diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
+index ff2c41ea94c8c..2434a0014491f 100644
+--- a/tools/perf/util/intel-pt.c
++++ b/tools/perf/util/intel-pt.c
+@@ -876,6 +876,8 @@ static void intel_pt_set_pid_tid_cpu(struct intel_pt *pt,
+ 
+       if (queue->tid == -1 || pt->have_sched_switch) {
+               ptq->tid = machine__get_current_tid(pt->machine, ptq->cpu);
++              if (ptq->tid == -1)
++                      ptq->pid = -1;
+               thread__zput(ptq->thread);
+       }
+ 
+@@ -1915,10 +1917,8 @@ static int intel_pt_context_switch(struct intel_pt *pt, 
union perf_event *event,
+               tid = sample->tid;
+       }
+ 
+-      if (tid == -1) {
+-              pr_err("context_switch event has no tid\n");
+-              return -EINVAL;
+-      }
++      if (tid == -1)
++              intel_pt_log("context_switch event has no tid\n");
+ 
+       intel_pt_log("context_switch: cpu %d pid %d tid %d time %"PRIu64" tsc 
%#"PRIx64"\n",
+                    cpu, pid, tid, sample->time, perf_time_to_tsc(sample->time,

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