diff --git a/Makefile b/Makefile
index d5e93bf20799..a7056e26947c 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 55d1872aa81a..9d19183f40e1 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 43c9980a4260..75a76842c270 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 c39b9169ea64..b2a773a718e1 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 8011e564a234..2c5193ae2027 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 196b1c0ceb9b..b968afa8da17 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 a516c0e01429..8a885ae647b7 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 f0e571b2dc7c..a6073fecdacd 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 a130473f16e5..8ece45c2a1f6 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 1749f15fc070..80b8fc4173de 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 e608f9db12dd..8965b4463d43 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 053b8e9aa9e7..69a2dc2b16cf 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 14ef17e10ec9..9914544e6677 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 198143833f00..1dc2122a3cf5 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 210eabd71ab2..670c2aedcefa 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 ce3710404544..445b878e3519 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 90988e7a5b47..2e7da9b379d4 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 1c093fb35ebe..e4fee233849d 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 b8da6e799423..6a371d05218d 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 79942f705757..5da985604692 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 626b643d610e..20ca9c9e109e 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 65060c08522d..22397a23780c 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 608906f06ced..3e72c6dac0ff 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 ee6dd1b84fac..017aec34a238 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 eb0569359387..8ba4122fb340 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 1f14cd4ce3db..8cdf933310d1 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 081aa91fc162..620eaca2b831 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 417de7ac0d5e..2a203e08d4c1 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 @@ static int hns_roce_v2_query_qp(struct ib_qp *ibqp, 
struct ib_qp_attr *qp_attr,
        }
 
        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 17e4abc067af..541ee30727aa 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 f77b295e0123..01788a78041b 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 840e53732753..aeeef50cef9b 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 f9f98ef1d98e..8677dbe0fd20 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 04b96fe39339..46512b4d686a 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 c10fc594f94d..6bfe42a11452 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 b6f95f20f924..cd8805d71d97 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 055c90b8253c..10a559cfb7ea 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 eaf94b817dbc..2ac9d24d3f0c 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 cf05e11da01b..4c042ba6de91 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 @@ static int bttv_probe(struct pci_dev *dev, const struct 
pci_device_id *pci_id)
        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 68d400e1e240..8c3da6f7a60f 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 9a48c0f69320..1dbebdc1c2f8 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 70d5f5586a5d..10fe7d2e8790 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 f5fca01f3248..3261dc72cc61 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 b4e28a299e26..efab3ebc6756 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 60069869596c..168f5af6abcc 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 @@ static int venus_probe(struct platform_device *pdev)
 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 79bc0ef6bb41..8d8ed72bd0aa 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 @@ static int s3c_camif_probe(struct platform_device *pdev)
        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 40c4eef71c34..00f6e3f06dac 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 @@ static int bdisp_probe(struct platform_device *pdev)
        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 0b42acd4e3a6..53dc6da2b09e 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 7917fd2c4bd4..d826c011c095 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 b6619c9c18bb..4e6530ee809a 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 8e82610ffaad..01c82da8e9aa 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 18a7384b50ee..0921c95a1dca 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 662d050243be..2fbf8d09af36 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 1c6a7c16e0c1..2ca507f3a58c 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 5c5d0241603a..3eb3c237f339 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 840afb398f9e..8dd5c610c438 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 de7f035a176d..f4332a97c691 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 cbc8ebcff5cf..a252c2199b93 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 @@ static int vop_virtio_copy_from_user(struct vop_vdev 
*vdev, void __user *ubuf,
         * 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 f8c372839d24..2ca5cd79018b 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 bfe13c6627be..0be8db6ab319 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 5bdff77c0ad1..993f495e2bf7 100644
--- a/drivers/net/ethernet/korina.c
+++ b/drivers/net/ethernet/korina.c
@@ -1113,7 +1113,7 @@ static int korina_probe(struct platform_device *pdev)
        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 03d4cc6f35bc..7d15f6208b46 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 3f563e02d17d..2ed98aaed6fb 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 ee922b052561..768a99c15c08 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
@@ -1563,6 +1563,8 @@ int brcmf_proto_msgbuf_attach(struct brcmf_pub *drvr)
                                          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 9fb0d9fbd939..d532decc1538 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 d445acc4786b..2a8d40ce463d 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 070ea0f456ab..b80cff96dea1 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 efb214fc545a..0b1fbb5dba9b 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 f28df233dfcd..2b492ad55f0e 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 9deb56989d72..ea612382599c 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 da72b2866e88..3b0a097ce2ab 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 f36a8a5261a1..a136a7ae7714 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 b2e5a6abf7d5..aa008fa11002 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 71d53bb239e2..090ab377f65e 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 b3cd9a6b1d30..b3df114a1200 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 25d763ae5d5a..357a0acc5ed2 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 @@ static void qedi_tmf_work(struct work_struct *work)
        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 aa451c8b49e5..4e8c5fcbded6 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 21e3ff590ec9..798a74535ea7 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 cf20616340a1..fe569f6294a2 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 1ef751c27ac6..cb0497184330 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 2daccb10ae2f..4b9f42269477 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 41453bf6fc0b..7376f74a4f04 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 4929c5883068..55ad4c43b380 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 @@ static ssize_t wdm_read
        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 5e844097a9e3..3cd7732c086e 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 4c2771c5e727..1ef89a4317c8 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 09bc917d407d..e4aa370e86a9 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 9c7ed2539ff7..8ed1295d7e35 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 af11887f5f9e..e88486d8084a 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -665,20 +665,24 @@ static int ohci_run (struct ohci_hcd *ohci)
 
        /* 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 bdfdd506bc58..c989f777bf77 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 05d8553635ee..95ce167a8ad9 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 87eaf357ae01..adf015aa4126 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 1c322caecf7f..8fe59b7d8eec 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 1270551d24e3..f13d86524450 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 4b99e2db95b8..6f3f245f3a80 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 9a59f49ba405..89b6c33ba6a4 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 bd3221cbdd95..0d4b5b9843b6 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 3ac1f2387083..5e1ebbe639eb 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 70387650436c..ac35ddf0dd60 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -2161,7 +2161,8 @@ int reiserfs_new_inode(struct reiserfs_transaction_handle 
*th,
 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 de5eda33c92a..ec5716dd58c2 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 4c46ebf0e773..3bf89a633836 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 1676a175cd7a..caeb01ca039b 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 484eb0adcefb..08da48b66235 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 15eb85de9226..4564a175e681 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 731ac09ed231..5b567b43e1b1 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 914a872dd343..e87a3716b0ac 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 f35eb72739c0..5fb4cdf37100 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 6a4b41484afe..b45576ca3b0d 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 537a2a3c1dea..28db51274ed0 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 faef74f63262..b166320f7633 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 5f0eb4565957..41b7954be68b 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 a6c9afafc8c8..1a5d08470044 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 2a85dc3be8bf..198a1fdd6709 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 ffcb5983107d..de6f89511a21 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 b6670e74aeb7..9926455dd546 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 2a82d438991b..9968b8a976f1 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 c339b5e386b7..3ad1de081e3c 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 7011ab27c437..40f8a1252394 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 f4a566e67213..98d117f3340c 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 649edbe77a20..10a12e094929 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 68259eec6afd..ab086081be9c 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 aa4d19a780d7..4062cd624b26 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 f42ce551bb48..a50d27473e12 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 ff2c41ea94c8..2434a0014491 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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