diff --git a/Makefile b/Makefile
index 81a0ada6536f..83acf2d6c55e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 4
 PATCHLEVEL = 4
-SUBLEVEL = 189
+SUBLEVEL = 190
 EXTRAVERSION =
 NAME = Blurry Fish Butt
 
diff --git a/arch/arm/mach-davinci/sleep.S b/arch/arm/mach-davinci/sleep.S
index a5336a5e2739..459d081caf79 100644
--- a/arch/arm/mach-davinci/sleep.S
+++ b/arch/arm/mach-davinci/sleep.S
@@ -37,6 +37,7 @@
 #define DEEPSLEEP_SLEEPENABLE_BIT      BIT(31)
 
        .text
+       .arch   armv5te
 /*
  * Move DaVinci into deep sleep state
  *
diff --git a/arch/arm64/kernel/hw_breakpoint.c 
b/arch/arm64/kernel/hw_breakpoint.c
index eeebfc315526..036fbb959821 100644
--- a/arch/arm64/kernel/hw_breakpoint.c
+++ b/arch/arm64/kernel/hw_breakpoint.c
@@ -504,13 +504,14 @@ int arch_validate_hwbkpt_settings(struct perf_event *bp)
                        /* Aligned */
                        break;
                case 1:
-                       /* Allow single byte watchpoint. */
-                       if (info->ctrl.len == ARM_BREAKPOINT_LEN_1)
-                               break;
                case 2:
                        /* Allow halfword watchpoints and breakpoints. */
                        if (info->ctrl.len == ARM_BREAKPOINT_LEN_2)
                                break;
+               case 3:
+                       /* Allow single byte watchpoint. */
+                       if (info->ctrl.len == ARM_BREAKPOINT_LEN_1)
+                               break;
                default:
                        return -EINVAL;
                }
diff --git a/arch/sh/kernel/hw_breakpoint.c b/arch/sh/kernel/hw_breakpoint.c
index 2197fc584186..000cc3343867 100644
--- a/arch/sh/kernel/hw_breakpoint.c
+++ b/arch/sh/kernel/hw_breakpoint.c
@@ -160,6 +160,7 @@ int arch_bp_generic_fields(int sh_len, int sh_type,
        switch (sh_type) {
        case SH_BREAKPOINT_READ:
                *gen_type = HW_BREAKPOINT_R;
+               break;
        case SH_BREAKPOINT_WRITE:
                *gen_type = HW_BREAKPOINT_W;
                break;
diff --git a/arch/x86/boot/compressed/Makefile 
b/arch/x86/boot/compressed/Makefile
index efa6073ffa7e..bf0c7b6b00c3 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -30,6 +30,7 @@ KBUILD_CFLAGS += $(cflags-y)
 KBUILD_CFLAGS += -mno-mmx -mno-sse
 KBUILD_CFLAGS += $(call cc-option,-ffreestanding)
 KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector)
+KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member)
 
 KBUILD_AFLAGS  := $(KBUILD_CFLAGS) -D__ASSEMBLY__
 GCOV_PROFILE := n
diff --git a/arch/x86/entry/vdso/vclock_gettime.c 
b/arch/x86/entry/vdso/vclock_gettime.c
index 049327ee8868..6badfe41dbe0 100644
--- a/arch/x86/entry/vdso/vclock_gettime.c
+++ b/arch/x86/entry/vdso/vclock_gettime.c
@@ -13,7 +13,6 @@
 
 #include <uapi/linux/time.h>
 #include <asm/vgtod.h>
-#include <asm/hpet.h>
 #include <asm/vvar.h>
 #include <asm/unistd.h>
 #include <asm/msr.h>
@@ -26,16 +25,6 @@ extern int __vdso_clock_gettime(clockid_t clock, struct 
timespec *ts);
 extern int __vdso_gettimeofday(struct timeval *tv, struct timezone *tz);
 extern time_t __vdso_time(time_t *t);
 
-#ifdef CONFIG_HPET_TIMER
-extern u8 hpet_page
-       __attribute__((visibility("hidden")));
-
-static notrace cycle_t vread_hpet(void)
-{
-       return *(const volatile u32 *)(&hpet_page + HPET_COUNTER);
-}
-#endif
-
 #ifdef CONFIG_PARAVIRT_CLOCK
 extern u8 pvclock_page
        __attribute__((visibility("hidden")));
@@ -209,10 +198,6 @@ notrace static inline u64 vgetsns(int *mode)
 
        if (gtod->vclock_mode == VCLOCK_TSC)
                cycles = vread_tsc();
-#ifdef CONFIG_HPET_TIMER
-       else if (gtod->vclock_mode == VCLOCK_HPET)
-               cycles = vread_hpet();
-#endif
 #ifdef CONFIG_PARAVIRT_CLOCK
        else if (gtod->vclock_mode == VCLOCK_PVCLOCK)
                cycles = vread_pvclock(mode);
diff --git a/arch/x86/entry/vdso/vdso-layout.lds.S 
b/arch/x86/entry/vdso/vdso-layout.lds.S
index 4158acc17df0..a708aa90b507 100644
--- a/arch/x86/entry/vdso/vdso-layout.lds.S
+++ b/arch/x86/entry/vdso/vdso-layout.lds.S
@@ -25,7 +25,7 @@ SECTIONS
         * segment.
         */
 
-       vvar_start = . - 3 * PAGE_SIZE;
+       vvar_start = . - 2 * PAGE_SIZE;
        vvar_page = vvar_start;
 
        /* Place all vvars at the offsets in asm/vvar.h. */
@@ -35,8 +35,7 @@ SECTIONS
 #undef __VVAR_KERNEL_LDS
 #undef EMIT_VVAR
 
-       hpet_page = vvar_start + PAGE_SIZE;
-       pvclock_page = vvar_start + 2 * PAGE_SIZE;
+       pvclock_page = vvar_start + PAGE_SIZE;
 
        . = SIZEOF_HEADERS;
 
diff --git a/arch/x86/include/asm/clocksource.h 
b/arch/x86/include/asm/clocksource.h
index eda81dc0f4ae..c843fed8fc5e 100644
--- a/arch/x86/include/asm/clocksource.h
+++ b/arch/x86/include/asm/clocksource.h
@@ -5,8 +5,7 @@
 
 #define VCLOCK_NONE 0  /* No vDSO clock available.     */
 #define VCLOCK_TSC  1  /* vDSO should use vread_tsc.   */
-#define VCLOCK_HPET 2  /* vDSO should use vread_hpet.  */
-#define VCLOCK_PVCLOCK 3 /* vDSO should use vread_pvclock. */
+#define VCLOCK_PVCLOCK 2 /* vDSO should use vread_pvclock. */
 
 struct arch_clocksource_data {
        int vclock_mode;
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 9cce5504a5c7..e8d20336f398 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -774,7 +774,6 @@ static struct clocksource clocksource_hpet = {
        .mask           = HPET_MASK,
        .flags          = CLOCK_SOURCE_IS_CONTINUOUS,
        .resume         = hpet_resume_counter,
-       .archdata       = { .vclock_mode = VCLOCK_HPET },
 };
 
 static int hpet_clocksource_register(void)
diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
index 0ec94c6b4757..0a187b9607ba 100644
--- a/arch/x86/kvm/trace.h
+++ b/arch/x86/kvm/trace.h
@@ -809,8 +809,7 @@ TRACE_EVENT(kvm_write_tsc_offset,
 
 #define host_clocks                                    \
        {VCLOCK_NONE, "none"},                          \
-       {VCLOCK_TSC,  "tsc"},                           \
-       {VCLOCK_HPET, "hpet"}                           \
+       {VCLOCK_TSC,  "tsc"}                            \
 
 TRACE_EVENT(kvm_update_master_clock,
        TP_PROTO(bool use_master_clock, unsigned int host_clock, bool 
offset_matched),
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 462c5c30b9a2..0e498683295b 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -216,13 +216,14 @@ static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, 
unsigned long address)
 
        pmd = pmd_offset(pud, address);
        pmd_k = pmd_offset(pud_k, address);
-       if (!pmd_present(*pmd_k))
-               return NULL;
 
-       if (!pmd_present(*pmd))
+       if (pmd_present(*pmd) != pmd_present(*pmd_k))
                set_pmd(pmd, *pmd_k);
+
+       if (!pmd_present(*pmd_k))
+               return NULL;
        else
-               BUG_ON(pmd_page(*pmd) != pmd_page(*pmd_k));
+               BUG_ON(pmd_pfn(*pmd) != pmd_pfn(*pmd_k));
 
        return pmd_k;
 }
@@ -242,17 +243,13 @@ void vmalloc_sync_all(void)
                spin_lock(&pgd_lock);
                list_for_each_entry(page, &pgd_list, lru) {
                        spinlock_t *pgt_lock;
-                       pmd_t *ret;
 
                        /* the pgt_lock only for Xen */
                        pgt_lock = &pgd_page_get_mm(page)->page_table_lock;
 
                        spin_lock(pgt_lock);
-                       ret = vmalloc_sync_one(page_address(page), address);
+                       vmalloc_sync_one(page_address(page), address);
                        spin_unlock(pgt_lock);
-
-                       if (!ret)
-                               break;
                }
                spin_unlock(&pgd_lock);
        }
diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c
index cd2eab6aa92e..65371e1befe8 100644
--- a/drivers/ata/libahci_platform.c
+++ b/drivers/ata/libahci_platform.c
@@ -300,6 +300,9 @@ static int ahci_platform_get_phy(struct ahci_host_priv 
*hpriv, u32 port,
                hpriv->phys[port] = NULL;
                rc = 0;
                break;
+       case -EPROBE_DEFER:
+               /* Do not complain yet */
+               break;
 
        default:
                dev_err(dev,
diff --git a/drivers/ata/libata-zpodd.c b/drivers/ata/libata-zpodd.c
index 7017a81d53cf..083856272e92 100644
--- a/drivers/ata/libata-zpodd.c
+++ b/drivers/ata/libata-zpodd.c
@@ -55,7 +55,7 @@ static enum odd_mech_type zpodd_get_mech_type(struct 
ata_device *dev)
        unsigned int ret;
        struct rm_feature_desc *desc;
        struct ata_taskfile tf;
-       static const char cdb[] = {  GPCMD_GET_CONFIGURATION,
+       static const char cdb[ATAPI_CDB_LEN] = {  GPCMD_GET_CONFIGURATION,
                        2,      /* only 1 feature descriptor requested */
                        0, 3,   /* 3, removable medium feature */
                        0, 0, 0,/* reserved */
diff --git a/drivers/cpufreq/pasemi-cpufreq.c b/drivers/cpufreq/pasemi-cpufreq.c
index 58c933f48300..991b6a3062c4 100644
--- a/drivers/cpufreq/pasemi-cpufreq.c
+++ b/drivers/cpufreq/pasemi-cpufreq.c
@@ -145,10 +145,18 @@ static int pas_cpufreq_cpu_init(struct cpufreq_policy 
*policy)
        int err = -ENODEV;
 
        cpu = of_get_cpu_node(policy->cpu, NULL);
+       if (!cpu)
+               goto out;
 
+       max_freqp = of_get_property(cpu, "clock-frequency", NULL);
        of_node_put(cpu);
-       if (!cpu)
+       if (!max_freqp) {
+               err = -EINVAL;
                goto out;
+       }
+
+       /* we need the freq in kHz */
+       max_freq = *max_freqp / 1000;
 
        dn = of_find_compatible_node(NULL, NULL, "1682m-sdc");
        if (!dn)
@@ -185,16 +193,6 @@ static int pas_cpufreq_cpu_init(struct cpufreq_policy 
*policy)
        }
 
        pr_debug("init cpufreq on CPU %d\n", policy->cpu);
-
-       max_freqp = of_get_property(cpu, "clock-frequency", NULL);
-       if (!max_freqp) {
-               err = -EINVAL;
-               goto out_unmap_sdcpwr;
-       }
-
-       /* we need the freq in kHz */
-       max_freq = *max_freqp / 1000;
-
        pr_debug("max clock-frequency is at %u kHz\n", max_freq);
        pr_debug("initializing frequency table\n");
 
@@ -212,9 +210,6 @@ static int pas_cpufreq_cpu_init(struct cpufreq_policy 
*policy)
 
        return cpufreq_generic_init(policy, pas_freqs, get_gizmo_latency());
 
-out_unmap_sdcpwr:
-       iounmap(sdcpwr_mapbase);
-
 out_unmap_sdcasr:
        iounmap(sdcasr_mapbase);
 out:
diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig
index cf478fe6b335..b0d42234fba0 100644
--- a/drivers/firmware/Kconfig
+++ b/drivers/firmware/Kconfig
@@ -135,7 +135,7 @@ config DMI_SCAN_MACHINE_NON_EFI_FALLBACK
 
 config ISCSI_IBFT_FIND
        bool "iSCSI Boot Firmware Table Attributes"
-       depends on X86 && ACPI
+       depends on X86 && ISCSI_IBFT
        default n
        help
          This option enables the kernel to find the region of memory
@@ -146,7 +146,8 @@ config ISCSI_IBFT_FIND
 config ISCSI_IBFT
        tristate "iSCSI Boot Firmware Table Attributes module"
        select ISCSI_BOOT_SYSFS
-       depends on ISCSI_IBFT_FIND && SCSI && SCSI_LOWLEVEL
+       select ISCSI_IBFT_FIND if X86
+       depends on ACPI && SCSI && SCSI_LOWLEVEL
        default n
        help
          This option enables support for detection and exposing of iSCSI
diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c
index 437c8ef90643..30d67fbe00c7 100644
--- a/drivers/firmware/iscsi_ibft.c
+++ b/drivers/firmware/iscsi_ibft.c
@@ -93,6 +93,10 @@ MODULE_DESCRIPTION("sysfs interface to BIOS iBFT 
information");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(IBFT_ISCSI_VERSION);
 
+#ifndef CONFIG_ISCSI_IBFT_FIND
+struct acpi_table_ibft *ibft_addr;
+#endif
+
 struct ibft_hdr {
        u8 id;
        u8 version;
diff --git a/drivers/hid/hid-holtek-kbd.c b/drivers/hid/hid-holtek-kbd.c
index 6e1a4a4fc0c1..ab9da597106f 100644
--- a/drivers/hid/hid-holtek-kbd.c
+++ b/drivers/hid/hid-holtek-kbd.c
@@ -126,9 +126,14 @@ static int holtek_kbd_input_event(struct input_dev *dev, 
unsigned int type,
 
        /* Locate the boot interface, to receive the LED change events */
        struct usb_interface *boot_interface = usb_ifnum_to_if(usb_dev, 0);
+       struct hid_device *boot_hid;
+       struct hid_input *boot_hid_input;
 
-       struct hid_device *boot_hid = usb_get_intfdata(boot_interface);
-       struct hid_input *boot_hid_input = list_first_entry(&boot_hid->inputs,
+       if (unlikely(boot_interface == NULL))
+               return -ENODEV;
+
+       boot_hid = usb_get_intfdata(boot_interface);
+       boot_hid_input = list_first_entry(&boot_hid->inputs,
                struct hid_input, list);
 
        return boot_hid_input->input->event(boot_hid_input->input, type, code,
diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
index 308d8432fea3..8903ea09ac58 100644
--- a/drivers/hid/usbhid/hiddev.c
+++ b/drivers/hid/usbhid/hiddev.c
@@ -308,6 +308,14 @@ static int hiddev_open(struct inode *inode, struct file 
*file)
        spin_unlock_irq(&list->hiddev->list_lock);
 
        mutex_lock(&hiddev->existancelock);
+       /*
+        * recheck exist with existance lock held to
+        * avoid opening a disconnected device
+        */
+       if (!list->hiddev->exist) {
+               res = -ENODEV;
+               goto bail_unlock;
+       }
        if (!list->hiddev->open++)
                if (list->hiddev->exist) {
                        struct hid_device *hid = hiddev->hid;
@@ -322,6 +330,10 @@ static int hiddev_open(struct inode *inode, struct file 
*file)
        return 0;
 bail_unlock:
        mutex_unlock(&hiddev->existancelock);
+
+       spin_lock_irq(&list->hiddev->list_lock);
+       list_del(&list->node);
+       spin_unlock_irq(&list->hiddev->list_lock);
 bail:
        file->private_data = NULL;
        vfree(list);
diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
index d3c6115f16b9..db38dff3f986 100644
--- a/drivers/hwmon/nct6775.c
+++ b/drivers/hwmon/nct6775.c
@@ -696,7 +696,7 @@ static const u16 NCT6106_REG_TARGET[] = { 0x111, 0x121, 
0x131 };
 static const u16 NCT6106_REG_WEIGHT_TEMP_SEL[] = { 0x168, 0x178, 0x188 };
 static const u16 NCT6106_REG_WEIGHT_TEMP_STEP[] = { 0x169, 0x179, 0x189 };
 static const u16 NCT6106_REG_WEIGHT_TEMP_STEP_TOL[] = { 0x16a, 0x17a, 0x18a };
-static const u16 NCT6106_REG_WEIGHT_DUTY_STEP[] = { 0x16b, 0x17b, 0x17c };
+static const u16 NCT6106_REG_WEIGHT_DUTY_STEP[] = { 0x16b, 0x17b, 0x18b };
 static const u16 NCT6106_REG_WEIGHT_TEMP_BASE[] = { 0x16c, 0x17c, 0x18c };
 static const u16 NCT6106_REG_WEIGHT_DUTY_BASE[] = { 0x16d, 0x17d, 0x18d };
 
@@ -3478,6 +3478,7 @@ static int nct6775_probe(struct platform_device *pdev)
                data->REG_FAN_TIME[0] = NCT6106_REG_FAN_STOP_TIME;
                data->REG_FAN_TIME[1] = NCT6106_REG_FAN_STEP_UP_TIME;
                data->REG_FAN_TIME[2] = NCT6106_REG_FAN_STEP_DOWN_TIME;
+               data->REG_TOLERANCE_H = NCT6106_REG_TOLERANCE_H;
                data->REG_PWM[0] = NCT6106_REG_PWM;
                data->REG_PWM[1] = NCT6106_REG_FAN_START_OUTPUT;
                data->REG_PWM[2] = NCT6106_REG_FAN_STOP_OUTPUT;
diff --git a/drivers/hwmon/nct7802.c b/drivers/hwmon/nct7802.c
index 12b94b094c0d..7f8738a83cb9 100644
--- a/drivers/hwmon/nct7802.c
+++ b/drivers/hwmon/nct7802.c
@@ -768,7 +768,7 @@ static struct attribute *nct7802_in_attrs[] = {
        &sensor_dev_attr_in3_alarm.dev_attr.attr,
        &sensor_dev_attr_in3_beep.dev_attr.attr,
 
-       &sensor_dev_attr_in4_input.dev_attr.attr,       /* 17 */
+       &sensor_dev_attr_in4_input.dev_attr.attr,       /* 16 */
        &sensor_dev_attr_in4_min.dev_attr.attr,
        &sensor_dev_attr_in4_max.dev_attr.attr,
        &sensor_dev_attr_in4_alarm.dev_attr.attr,
@@ -794,9 +794,9 @@ static umode_t nct7802_in_is_visible(struct kobject *kobj,
 
        if (index >= 6 && index < 11 && (reg & 0x03) != 0x03)   /* VSEN1 */
                return 0;
-       if (index >= 11 && index < 17 && (reg & 0x0c) != 0x0c)  /* VSEN2 */
+       if (index >= 11 && index < 16 && (reg & 0x0c) != 0x0c)  /* VSEN2 */
                return 0;
-       if (index >= 17 && (reg & 0x30) != 0x30)                /* VSEN3 */
+       if (index >= 16 && (reg & 0x30) != 0x30)                /* VSEN3 */
                return 0;
 
        return attr->mode;
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index 864a7c8d82d3..68835de07e07 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -481,14 +481,13 @@ int rdma_addr_find_dmac_by_grh(const union ib_gid *sgid, 
const union ib_gid *dgi
        struct net_device *dev;
 
        union {
-               struct sockaddr     _sockaddr;
                struct sockaddr_in  _sockaddr_in;
                struct sockaddr_in6 _sockaddr_in6;
        } sgid_addr, dgid_addr;
 
 
-       rdma_gid2ip(&sgid_addr._sockaddr, sgid);
-       rdma_gid2ip(&dgid_addr._sockaddr, dgid);
+       rdma_gid2ip((struct sockaddr *)&sgid_addr, sgid);
+       rdma_gid2ip((struct sockaddr *)&dgid_addr, dgid);
 
        memset(&dev_addr, 0, sizeof(dev_addr));
        dev_addr.bound_dev_if = if_index;
@@ -496,8 +495,9 @@ int rdma_addr_find_dmac_by_grh(const union ib_gid *sgid, 
const union ib_gid *dgi
 
        ctx.addr = &dev_addr;
        init_completion(&ctx.comp);
-       ret = rdma_resolve_ip(&self, &sgid_addr._sockaddr, &dgid_addr._sockaddr,
-                       &dev_addr, 1000, resolve_cb, &ctx);
+       ret = rdma_resolve_ip(&self, (struct sockaddr *)&sgid_addr,
+                             (struct sockaddr *)&dgid_addr, &dev_addr, 1000,
+                             resolve_cb, &ctx);
        if (ret)
                return ret;
 
@@ -519,16 +519,15 @@ int rdma_addr_find_smac_by_sgid(union ib_gid *sgid, u8 
*smac, u16 *vlan_id)
        int ret = 0;
        struct rdma_dev_addr dev_addr;
        union {
-               struct sockaddr     _sockaddr;
                struct sockaddr_in  _sockaddr_in;
                struct sockaddr_in6 _sockaddr_in6;
        } gid_addr;
 
-       rdma_gid2ip(&gid_addr._sockaddr, sgid);
+       rdma_gid2ip((struct sockaddr *)&gid_addr, sgid);
 
        memset(&dev_addr, 0, sizeof(dev_addr));
        dev_addr.net = &init_net;
-       ret = rdma_translate_ip(&gid_addr._sockaddr, &dev_addr, vlan_id);
+       ret = rdma_translate_ip((struct sockaddr *)&gid_addr, &dev_addr, 
vlan_id);
        if (ret)
                return ret;
 
diff --git a/drivers/infiniband/core/user_mad.c 
b/drivers/infiniband/core/user_mad.c
index 57f281f8d686..e9e75f40714c 100644
--- a/drivers/infiniband/core/user_mad.c
+++ b/drivers/infiniband/core/user_mad.c
@@ -49,6 +49,7 @@
 #include <linux/sched.h>
 #include <linux/semaphore.h>
 #include <linux/slab.h>
+#include <linux/nospec.h>
 
 #include <asm/uaccess.h>
 
@@ -842,11 +843,14 @@ static int ib_umad_unreg_agent(struct ib_umad_file *file, 
u32 __user *arg)
 
        if (get_user(id, arg))
                return -EFAULT;
+       if (id >= IB_UMAD_MAX_AGENTS)
+               return -EINVAL;
 
        mutex_lock(&file->port->file_mutex);
        mutex_lock(&file->mutex);
 
-       if (id >= IB_UMAD_MAX_AGENTS || !__get_agent(file, id)) {
+       id = array_index_nospec(id, IB_UMAD_MAX_AGENTS);
+       if (!__get_agent(file, id)) {
                ret = -EINVAL;
                goto out;
        }
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 3399271c235b..170368bb7c1d 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -792,7 +792,7 @@ static struct mlx5_ib_mr *reg_umr(struct ib_pd *pd, struct 
ib_umem *umem,
        struct device *ddev = dev->ib_dev.dma_device;
        struct umr_common *umrc = &dev->umrc;
        struct mlx5_ib_umr_context umr_context;
-       struct mlx5_umr_wr umrwr;
+       struct mlx5_umr_wr umrwr = {};
        struct ib_send_wr *bad;
        struct mlx5_ib_mr *mr;
        struct ib_sge sg;
@@ -839,7 +839,6 @@ static struct mlx5_ib_mr *reg_umr(struct ib_pd *pd, struct 
ib_umem *umem,
                goto free_pas;
        }
 
-       memset(&umrwr, 0, sizeof(umrwr));
        umrwr.wr.wr_id = (u64)(unsigned long)&umr_context;
        prep_umr_reg_wqe(pd, &umrwr.wr, &sg, dma, npages, mr->mmr.key,
                         page_shift, virt_addr, len, access_flags);
@@ -1163,11 +1162,10 @@ static int unreg_umr(struct mlx5_ib_dev *dev, struct 
mlx5_ib_mr *mr)
 {
        struct umr_common *umrc = &dev->umrc;
        struct mlx5_ib_umr_context umr_context;
-       struct mlx5_umr_wr umrwr;
+       struct mlx5_umr_wr umrwr = {};
        struct ib_send_wr *bad;
        int err;
 
-       memset(&umrwr.wr, 0, sizeof(umrwr));
        umrwr.wr.wr_id = (u64)(unsigned long)&umr_context;
        prep_umr_unreg_wqe(dev, &umrwr.wr, mr->mmr.key);
 
diff --git a/drivers/input/joystick/iforce/iforce-usb.c 
b/drivers/input/joystick/iforce/iforce-usb.c
index db64adfbe1af..3e1ea912b41d 100644
--- a/drivers/input/joystick/iforce/iforce-usb.c
+++ b/drivers/input/joystick/iforce/iforce-usb.c
@@ -145,7 +145,12 @@ static int iforce_usb_probe(struct usb_interface *intf,
                return -ENODEV;
 
        epirq = &interface->endpoint[0].desc;
+       if (!usb_endpoint_is_int_in(epirq))
+               return -ENODEV;
+
        epout = &interface->endpoint[1].desc;
+       if (!usb_endpoint_is_int_out(epout))
+               return -ENODEV;
 
        if (!(iforce = kzalloc(sizeof(struct iforce) + 32, GFP_KERNEL)))
                goto fail;
diff --git a/drivers/input/mouse/trackpoint.h b/drivers/input/mouse/trackpoint.h
index 88055755f82e..821b446a85dd 100644
--- a/drivers/input/mouse/trackpoint.h
+++ b/drivers/input/mouse/trackpoint.h
@@ -153,7 +153,8 @@ struct trackpoint_data
 #ifdef CONFIG_MOUSE_PS2_TRACKPOINT
 int trackpoint_detect(struct psmouse *psmouse, bool set_properties);
 #else
-inline int trackpoint_detect(struct psmouse *psmouse, bool set_properties)
+static inline int trackpoint_detect(struct psmouse *psmouse,
+                                   bool set_properties)
 {
        return -ENOSYS;
 }
diff --git a/drivers/input/tablet/kbtab.c b/drivers/input/tablet/kbtab.c
index 2812f9236b7d..0ccc120a0f14 100644
--- a/drivers/input/tablet/kbtab.c
+++ b/drivers/input/tablet/kbtab.c
@@ -125,6 +125,10 @@ static int kbtab_probe(struct usb_interface *intf, const 
struct usb_device_id *i
        if (intf->cur_altsetting->desc.bNumEndpoints < 1)
                return -ENODEV;
 
+       endpoint = &intf->cur_altsetting->endpoint[0].desc;
+       if (!usb_endpoint_is_int_in(endpoint))
+               return -ENODEV;
+
        kbtab = kzalloc(sizeof(struct kbtab), GFP_KERNEL);
        input_dev = input_allocate_device();
        if (!kbtab || !input_dev)
@@ -164,8 +168,6 @@ static int kbtab_probe(struct usb_interface *intf, const 
struct usb_device_id *i
        input_set_abs_params(input_dev, ABS_Y, 0, 0x1750, 4, 0);
        input_set_abs_params(input_dev, ABS_PRESSURE, 0, 0xff, 0, 0);
 
-       endpoint = &intf->cur_altsetting->endpoint[0].desc;
-
        usb_fill_int_urb(kbtab->irq, dev,
                         usb_rcvintpipe(dev, endpoint->bEndpointAddress),
                         kbtab->data, 8,
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index db85cc5791dc..6a69b5bb231f 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -1223,7 +1223,7 @@ static const struct attribute_group *amd_iommu_groups[] = 
{
        NULL,
 };
 
-static int iommu_init_pci(struct amd_iommu *iommu)
+static int __init iommu_init_pci(struct amd_iommu *iommu)
 {
        int cap_ptr = iommu->cap_ptr;
        u32 range, misc, low, high;
diff --git a/drivers/irqchip/irq-imx-gpcv2.c b/drivers/irqchip/irq-imx-gpcv2.c
index 2d203b422129..c56da0b13da5 100644
--- a/drivers/irqchip/irq-imx-gpcv2.c
+++ b/drivers/irqchip/irq-imx-gpcv2.c
@@ -145,6 +145,7 @@ static struct irq_chip gpcv2_irqchip_data_chip = {
        .irq_unmask             = imx_gpcv2_irq_unmask,
        .irq_set_wake           = imx_gpcv2_irq_set_wake,
        .irq_retrigger          = irq_chip_retrigger_hierarchy,
+       .irq_set_type           = irq_chip_set_type_parent,
 #ifdef CONFIG_SMP
        .irq_set_affinity       = irq_chip_set_affinity_parent,
 #endif
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index ed80c973f546..168f2331194f 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1111,7 +1111,9 @@ static void bond_compute_features(struct bonding *bond)
 
 done:
        bond_dev->vlan_features = vlan_features;
-       bond_dev->hw_enc_features = enc_features | NETIF_F_GSO_ENCAP_ALL;
+       bond_dev->hw_enc_features = enc_features | NETIF_F_GSO_ENCAP_ALL |
+                                   NETIF_F_HW_VLAN_CTAG_TX |
+                                   NETIF_F_HW_VLAN_STAG_TX;
        bond_dev->gso_max_segs = gso_max_segs;
        netif_set_gso_max_size(bond_dev, gso_max_size);
 
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.c 
b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
index 91be4575b524..e13bc27b4291 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_core.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
@@ -592,16 +592,16 @@ static int peak_usb_ndo_stop(struct net_device *netdev)
        dev->state &= ~PCAN_USB_STATE_STARTED;
        netif_stop_queue(netdev);
 
+       close_candev(netdev);
+
+       dev->can.state = CAN_STATE_STOPPED;
+
        /* unlink all pending urbs and free used memory */
        peak_usb_unlink_all_urbs(dev);
 
        if (dev->adapter->dev_stop)
                dev->adapter->dev_stop(dev);
 
-       close_candev(netdev);
-
-       dev->can.state = CAN_STATE_STOPPED;
-
        /* can set bus off now */
        if (dev->adapter->dev_set_bus) {
                int err = dev->adapter->dev_set_bus(dev, 0);
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_fd.c 
b/drivers/net/can/usb/peak_usb/pcan_usb_fd.c
index 64cc86a82b2d..1b75d5304a2c 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_fd.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_fd.c
@@ -851,7 +851,7 @@ static int pcan_usb_fd_init(struct peak_usb_device *dev)
                        goto err_out;
 
                /* allocate command buffer once for all for the interface */
-               pdev->cmd_buffer_addr = kmalloc(PCAN_UFD_CMD_BUFFER_SIZE,
+               pdev->cmd_buffer_addr = kzalloc(PCAN_UFD_CMD_BUFFER_SIZE,
                                                GFP_KERNEL);
                if (!pdev->cmd_buffer_addr)
                        goto err_out_1;
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c 
b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
index bbdd6058cd2f..d85fdc6949c6 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
@@ -500,7 +500,7 @@ static int pcan_usb_pro_drv_loaded(struct peak_usb_device 
*dev, int loaded)
        u8 *buffer;
        int err;
 
-       buffer = kmalloc(PCAN_USBPRO_FCT_DRVLD_REQ_LEN, GFP_KERNEL);
+       buffer = kzalloc(PCAN_USBPRO_FCT_DRVLD_REQ_LEN, GFP_KERNEL);
        if (!buffer)
                return -ENOMEM;
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c 
b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index 7ee301310817..c1dd75fe935f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -855,6 +855,9 @@ static int mlx5e_set_pauseparam(struct net_device *netdev,
        struct mlx5_core_dev *mdev = priv->mdev;
        int err;
 
+       if (!MLX5_CAP_GEN(mdev, vport_group_manager))
+               return -EOPNOTSUPP;
+
        if (pauseparam->autoneg)
                return -EINVAL;
 
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index 17fac0121e56..4f505eb4f422 100644
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -285,7 +285,7 @@ static void mdio_write(struct net_device *dev, int phy_id, 
int loc, int val)
 static int read_eprom_word(pegasus_t *pegasus, __u8 index, __u16 *retdata)
 {
        int i;
-       __u8 tmp;
+       __u8 tmp = 0;
        __le16 retdatai;
        int ret;
 
diff --git a/drivers/net/wireless/mwifiex/main.h 
b/drivers/net/wireless/mwifiex/main.h
index 3959f1c97f4e..466ea4e551a6 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -108,6 +108,7 @@ enum {
 
 #define MWIFIEX_MAX_TOTAL_SCAN_TIME    (MWIFIEX_TIMER_10S - MWIFIEX_TIMER_1S)
 
+#define WPA_GTK_OUI_OFFSET                             2
 #define RSN_GTK_OUI_OFFSET                             2
 
 #define MWIFIEX_OUI_NOT_PRESENT                        0
diff --git a/drivers/net/wireless/mwifiex/scan.c 
b/drivers/net/wireless/mwifiex/scan.c
index 673ca812bd4c..b3fa3e4bed05 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -151,7 +151,8 @@ mwifiex_is_wpa_oui_present(struct mwifiex_bssdescriptor 
*bss_desc, u32 cipher)
        if (((bss_desc->bcn_wpa_ie) &&
             ((*(bss_desc->bcn_wpa_ie)).vend_hdr.element_id ==
              WLAN_EID_VENDOR_SPECIFIC))) {
-               iebody = (struct ie_body *) bss_desc->bcn_wpa_ie->data;
+               iebody = (struct ie_body *)((u8 *)bss_desc->bcn_wpa_ie->data +
+                                           WPA_GTK_OUI_OFFSET);
                oui = &mwifiex_wpa_oui[cipher][0];
                ret = mwifiex_search_oui_in_ie(iebody, oui);
                if (ret)
diff --git a/drivers/net/xen-netback/netback.c 
b/drivers/net/xen-netback/netback.c
index d324ac308e6d..65d37257e033 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -1421,6 +1421,7 @@ static void xenvif_tx_build_gops(struct xenvif_queue 
*queue,
                        skb_shinfo(skb)->nr_frags = MAX_SKB_FRAGS;
                        nskb = xenvif_alloc_skb(0);
                        if (unlikely(nskb == NULL)) {
+                               skb_shinfo(skb)->nr_frags = 0;
                                kfree_skb(skb);
                                xenvif_tx_err(queue, &txreq, idx);
                                if (net_ratelimit())
@@ -1436,6 +1437,7 @@ static void xenvif_tx_build_gops(struct xenvif_queue 
*queue,
 
                        if (xenvif_set_skb_gso(queue->vif, skb, gso)) {
                                /* Failure in xenvif_set_skb_gso is fatal. */
+                               skb_shinfo(skb)->nr_frags = 0;
                                kfree_skb(skb);
                                kfree_skb(nskb);
                                break;
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 8d7fc3b6ca63..adf322a86a01 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -1576,13 +1576,13 @@ static int handle_outbound(struct qdio_q *q, unsigned 
int callflags,
                rc = qdio_kick_outbound_q(q, phys_aob);
        } else if (need_siga_sync(q)) {
                rc = qdio_siga_sync_q(q);
+       } else if (count < QDIO_MAX_BUFFERS_PER_Q &&
+                  get_buf_state(q, prev_buf(bufnr), &state, 0) > 0 &&
+                  state == SLSB_CU_OUTPUT_PRIMED) {
+               /* The previous buffer is not processed yet, tack on. */
+               qperf_inc(q, fast_requeue);
        } else {
-               /* try to fast requeue buffers */
-               get_buf_state(q, prev_buf(bufnr), &state, 0);
-               if (state != SLSB_CU_OUTPUT_PRIMED)
-                       rc = qdio_kick_outbound_q(q, 0);
-               else
-                       qperf_inc(q, fast_requeue);
+               rc = qdio_kick_outbound_q(q, 0);
        }
 
        /* in case of SIGA errors we must process the error immediately */
diff --git a/drivers/scsi/fcoe/fcoe_ctlr.c b/drivers/scsi/fcoe/fcoe_ctlr.c
index d5184aa1ace4..3bc610d160f5 100644
--- a/drivers/scsi/fcoe/fcoe_ctlr.c
+++ b/drivers/scsi/fcoe/fcoe_ctlr.c
@@ -1973,7 +1973,7 @@ EXPORT_SYMBOL_GPL(fcoe_wwn_from_mac);
  */
 static inline struct fcoe_rport *fcoe_ctlr_rport(struct fc_rport_priv *rdata)
 {
-       return (struct fcoe_rport *)(rdata + 1);
+       return container_of(rdata, struct fcoe_rport, rdata);
 }
 
 /**
@@ -2233,7 +2233,7 @@ static void fcoe_ctlr_vn_start(struct fcoe_ctlr *fip)
  */
 static int fcoe_ctlr_vn_parse(struct fcoe_ctlr *fip,
                              struct sk_buff *skb,
-                             struct fc_rport_priv *rdata)
+                             struct fcoe_rport *frport)
 {
        struct fip_header *fiph;
        struct fip_desc *desc = NULL;
@@ -2241,16 +2241,12 @@ static int fcoe_ctlr_vn_parse(struct fcoe_ctlr *fip,
        struct fip_wwn_desc *wwn = NULL;
        struct fip_vn_desc *vn = NULL;
        struct fip_size_desc *size = NULL;
-       struct fcoe_rport *frport;
        size_t rlen;
        size_t dlen;
        u32 desc_mask = 0;
        u32 dtype;
        u8 sub;
 
-       memset(rdata, 0, sizeof(*rdata) + sizeof(*frport));
-       frport = fcoe_ctlr_rport(rdata);
-
        fiph = (struct fip_header *)skb->data;
        frport->flags = ntohs(fiph->fip_flags);
 
@@ -2313,15 +2309,17 @@ static int fcoe_ctlr_vn_parse(struct fcoe_ctlr *fip,
                        if (dlen != sizeof(struct fip_wwn_desc))
                                goto len_err;
                        wwn = (struct fip_wwn_desc *)desc;
-                       rdata->ids.node_name = get_unaligned_be64(&wwn->fd_wwn);
+                       frport->rdata.ids.node_name =
+                               get_unaligned_be64(&wwn->fd_wwn);
                        break;
                case FIP_DT_VN_ID:
                        if (dlen != sizeof(struct fip_vn_desc))
                                goto len_err;
                        vn = (struct fip_vn_desc *)desc;
                        memcpy(frport->vn_mac, vn->fd_mac, ETH_ALEN);
-                       rdata->ids.port_id = ntoh24(vn->fd_fc_id);
-                       rdata->ids.port_name = get_unaligned_be64(&vn->fd_wwpn);
+                       frport->rdata.ids.port_id = ntoh24(vn->fd_fc_id);
+                       frport->rdata.ids.port_name =
+                               get_unaligned_be64(&vn->fd_wwpn);
                        break;
                case FIP_DT_FC4F:
                        if (dlen != sizeof(struct fip_fc4_feat))
@@ -2664,16 +2662,13 @@ static int fcoe_ctlr_vn_recv(struct fcoe_ctlr *fip, 
struct sk_buff *skb)
 {
        struct fip_header *fiph;
        enum fip_vn2vn_subcode sub;
-       struct {
-               struct fc_rport_priv rdata;
-               struct fcoe_rport frport;
-       } buf;
+       struct fcoe_rport frport = { };
        int rc;
 
        fiph = (struct fip_header *)skb->data;
        sub = fiph->fip_subcode;
 
-       rc = fcoe_ctlr_vn_parse(fip, skb, &buf.rdata);
+       rc = fcoe_ctlr_vn_parse(fip, skb, &frport);
        if (rc) {
                LIBFCOE_FIP_DBG(fip, "vn_recv vn_parse error %d\n", rc);
                goto drop;
@@ -2682,19 +2677,19 @@ static int fcoe_ctlr_vn_recv(struct fcoe_ctlr *fip, 
struct sk_buff *skb)
        mutex_lock(&fip->ctlr_mutex);
        switch (sub) {
        case FIP_SC_VN_PROBE_REQ:
-               fcoe_ctlr_vn_probe_req(fip, &buf.rdata);
+               fcoe_ctlr_vn_probe_req(fip, &frport.rdata);
                break;
        case FIP_SC_VN_PROBE_REP:
-               fcoe_ctlr_vn_probe_reply(fip, &buf.rdata);
+               fcoe_ctlr_vn_probe_reply(fip, &frport.rdata);
                break;
        case FIP_SC_VN_CLAIM_NOTIFY:
-               fcoe_ctlr_vn_claim_notify(fip, &buf.rdata);
+               fcoe_ctlr_vn_claim_notify(fip, &frport.rdata);
                break;
        case FIP_SC_VN_CLAIM_REP:
-               fcoe_ctlr_vn_claim_resp(fip, &buf.rdata);
+               fcoe_ctlr_vn_claim_resp(fip, &frport.rdata);
                break;
        case FIP_SC_VN_BEACON:
-               fcoe_ctlr_vn_beacon(fip, &buf.rdata);
+               fcoe_ctlr_vn_beacon(fip, &frport.rdata);
                break;
        default:
                LIBFCOE_FIP_DBG(fip, "vn_recv unknown subcode %d\n", sub);
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index e0952882e132..fcce3ae119fa 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -2153,6 +2153,8 @@ static int handle_ioaccel_mode2_error(struct ctlr_info *h,
        case IOACCEL2_SERV_RESPONSE_COMPLETE:
                switch (c2->error_data.status) {
                case IOACCEL2_STATUS_SR_TASK_COMP_GOOD:
+                       if (cmd)
+                               cmd->result = 0;
                        break;
                case IOACCEL2_STATUS_SR_TASK_COMP_CHK_COND:
                        cmd->result |= SAM_STAT_CHECK_CONDITION;
@@ -2320,8 +2322,10 @@ static void process_ioaccel2_completion(struct ctlr_info 
*h,
 
        /* check for good status */
        if (likely(c2->error_data.serv_response == 0 &&
-                       c2->error_data.status == 0))
+                       c2->error_data.status == 0)) {
+               cmd->result = 0;
                return hpsa_cmd_free_and_done(h, c, cmd);
+       }
 
        /*
         * Any RAID offload error results in retry which will use
@@ -5236,6 +5240,12 @@ static int hpsa_scsi_queue_command(struct Scsi_Host *sh, 
struct scsi_cmnd *cmd)
        }
        c = cmd_tagged_alloc(h, cmd);
 
+       /*
+        * This is necessary because the SML doesn't zero out this field during
+        * error recovery.
+        */
+       cmd->result = 0;
+
        /*
         * Call alternate submit routine for I/O accelerated commands.
         * Retries always go down the normal I/O path.
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index 1f9f9e5af207..0526a47e30a3 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -4869,8 +4869,8 @@ static int ibmvfc_remove(struct vio_dev *vdev)
 
        spin_lock_irqsave(vhost->host->host_lock, flags);
        ibmvfc_purge_requests(vhost, DID_ERROR);
-       ibmvfc_free_event_pool(vhost);
        spin_unlock_irqrestore(vhost->host->host_lock, flags);
+       ibmvfc_free_event_pool(vhost);
 
        ibmvfc_free_mem(vhost);
        spin_lock(&ibmvfc_driver_lock);
diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c
index 589ff9aedd31..e69940eefe4b 100644
--- a/drivers/scsi/libfc/fc_rport.c
+++ b/drivers/scsi/libfc/fc_rport.c
@@ -121,12 +121,15 @@ static struct fc_rport_priv *fc_rport_create(struct 
fc_lport *lport,
                                             u32 port_id)
 {
        struct fc_rport_priv *rdata;
+       size_t rport_priv_size = sizeof(*rdata);
 
        rdata = lport->tt.rport_lookup(lport, port_id);
        if (rdata)
                return rdata;
 
-       rdata = kzalloc(sizeof(*rdata) + lport->rport_priv_size, GFP_KERNEL);
+       if (lport->rport_priv_size > 0)
+               rport_priv_size = lport->rport_priv_size;
+       rdata = kzalloc(rport_priv_size, GFP_KERNEL);
        if (!rdata)
                return NULL;
 
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c 
b/drivers/scsi/megaraid/megaraid_sas_base.c
index 2422094f1f15..5e0bac8de638 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -2752,6 +2752,7 @@ megasas_fw_crash_buffer_show(struct device *cdev,
        u32 size;
        unsigned long buff_addr;
        unsigned long dmachunk = CRASH_DMA_BUF_SIZE;
+       unsigned long chunk_left_bytes;
        unsigned long src_addr;
        unsigned long flags;
        u32 buff_offset;
@@ -2777,6 +2778,8 @@ megasas_fw_crash_buffer_show(struct device *cdev,
        }
 
        size = (instance->fw_crash_buffer_size * dmachunk) - buff_offset;
+       chunk_left_bytes = dmachunk - (buff_offset % dmachunk);
+       size = (size > chunk_left_bytes) ? chunk_left_bytes : size;
        size = (size >= PAGE_SIZE) ? (PAGE_SIZE - 1) : size;
 
        src_addr = (unsigned long)instance->crash_buf[buff_offset / dmachunk] +
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c 
b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 9b5367294116..7af7a0859478 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -1686,9 +1686,11 @@ _base_config_dma_addressing(struct MPT3SAS_ADAPTER *ioc, 
struct pci_dev *pdev)
 {
        struct sysinfo s;
        u64 consistent_dma_mask;
+       /* Set 63 bit DMA mask for all SAS3 and SAS35 controllers */
+       int dma_mask = (ioc->hba_mpi_version_belonged > MPI2_VERSION) ? 63 : 64;
 
        if (ioc->dma_mask)
-               consistent_dma_mask = DMA_BIT_MASK(64);
+               consistent_dma_mask = DMA_BIT_MASK(dma_mask);
        else
                consistent_dma_mask = DMA_BIT_MASK(32);
 
@@ -1696,11 +1698,11 @@ _base_config_dma_addressing(struct MPT3SAS_ADAPTER 
*ioc, struct pci_dev *pdev)
                const uint64_t required_mask =
                    dma_get_required_mask(&pdev->dev);
                if ((required_mask > DMA_BIT_MASK(32)) &&
-                   !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
+                   !pci_set_dma_mask(pdev, DMA_BIT_MASK(dma_mask)) &&
                    !pci_set_consistent_dma_mask(pdev, consistent_dma_mask)) {
                        ioc->base_add_sg_single = &_base_add_sg_single_64;
                        ioc->sge_size = sizeof(Mpi2SGESimple64_t);
-                       ioc->dma_mask = 64;
+                       ioc->dma_mask = dma_mask;
                        goto out;
                }
        }
@@ -1726,7 +1728,7 @@ static int
 _base_change_consistent_dma_mask(struct MPT3SAS_ADAPTER *ioc,
                                      struct pci_dev *pdev)
 {
-       if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) {
+       if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(ioc->dma_mask))) {
                if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
                        return -ENODEV;
        }
@@ -3325,7 +3327,7 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc,  
int sleep_flag)
                total_sz += sz;
        } while (ioc->rdpq_array_enable && (++i < ioc->reply_queue_count));
 
-       if (ioc->dma_mask == 64) {
+       if (ioc->dma_mask > 32) {
                if (_base_change_consistent_dma_mask(ioc, ioc->pdev) != 0) {
                        pr_warn(MPT3SAS_FMT
                            "no suitable consistent DMA mask for %s\n",
diff --git a/drivers/staging/comedi/drivers/dt3000.c 
b/drivers/staging/comedi/drivers/dt3000.c
index ab7a332fbcc4..6404cd4687b9 100644
--- a/drivers/staging/comedi/drivers/dt3000.c
+++ b/drivers/staging/comedi/drivers/dt3000.c
@@ -351,9 +351,9 @@ static irqreturn_t dt3k_interrupt(int irq, void *d)
 static int dt3k_ns_to_timer(unsigned int timer_base, unsigned int *nanosec,
                            unsigned int flags)
 {
-       int divider, base, prescale;
+       unsigned int divider, base, prescale;
 
-       /* This function needs improvment */
+       /* This function needs improvement */
        /* Don't know if divider==0 works. */
 
        for (prescale = 0; prescale < 16; prescale++) {
@@ -367,7 +367,7 @@ static int dt3k_ns_to_timer(unsigned int timer_base, 
unsigned int *nanosec,
                        divider = (*nanosec) / base;
                        break;
                case CMDF_ROUND_UP:
-                       divider = (*nanosec) / base;
+                       divider = DIV_ROUND_UP(*nanosec, base);
                        break;
                }
                if (divider < 65536) {
@@ -377,7 +377,7 @@ static int dt3k_ns_to_timer(unsigned int timer_base, 
unsigned int *nanosec,
        }
 
        prescale = 15;
-       base = timer_base * (1 << prescale);
+       base = timer_base * (prescale + 1);
        divider = 65535;
        *nanosec = divider * base;
        return (prescale << 16) | (divider);
diff --git a/drivers/tty/tty_ldsem.c b/drivers/tty/tty_ldsem.c
index 34234c233851..656c2ade6a43 100644
--- a/drivers/tty/tty_ldsem.c
+++ b/drivers/tty/tty_ldsem.c
@@ -137,8 +137,7 @@ static void __ldsem_wake_readers(struct ld_semaphore *sem)
 
        list_for_each_entry_safe(waiter, next, &sem->read_wait, list) {
                tsk = waiter->task;
-               smp_mb();
-               waiter->task = NULL;
+               smp_store_release(&waiter->task, NULL);
                wake_up_process(tsk);
                put_task_struct(tsk);
        }
@@ -234,7 +233,7 @@ down_read_failed(struct ld_semaphore *sem, long count, long 
timeout)
        for (;;) {
                set_task_state(tsk, TASK_UNINTERRUPTIBLE);
 
-               if (!waiter.task)
+               if (!smp_load_acquire(&waiter.task))
                        break;
                if (!timeout)
                        break;
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 736de1021d8b..1930a8ec4b67 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1319,13 +1319,6 @@ made_compressed_probe:
        if (acm == NULL)
                goto alloc_fail;
 
-       minor = acm_alloc_minor(acm);
-       if (minor < 0) {
-               dev_err(&intf->dev, "no more free acm devices\n");
-               kfree(acm);
-               return -ENODEV;
-       }
-
        ctrlsize = usb_endpoint_maxp(epctrl);
        readsize = usb_endpoint_maxp(epread) *
                                (quirks == SINGLE_RX_URB ? 1 : 2);
@@ -1333,6 +1326,16 @@ made_compressed_probe:
        acm->writesize = usb_endpoint_maxp(epwrite) * 20;
        acm->control = control_interface;
        acm->data = data_interface;
+
+       usb_get_intf(acm->control); /* undone in destruct() */
+
+       minor = acm_alloc_minor(acm);
+       if (minor < 0) {
+               dev_err(&intf->dev, "no more free acm devices\n");
+               kfree(acm);
+               return -ENODEV;
+       }
+
        acm->minor = minor;
        acm->dev = usb_dev;
        acm->ctrl_caps = ac_management_function;
@@ -1474,7 +1477,6 @@ skip_countries:
        usb_driver_claim_interface(&acm_driver, data_interface, acm);
        usb_set_intfdata(data_interface, acm);
 
-       usb_get_intf(control_interface);
        tty_dev = tty_port_register_device(&acm->port, acm_tty_driver, minor,
                        &control_interface->dev);
        if (IS_ERR(tty_dev)) {
diff --git a/drivers/usb/core/file.c b/drivers/usb/core/file.c
index b3de806085f0..097977c0359f 100644
--- a/drivers/usb/core/file.c
+++ b/drivers/usb/core/file.c
@@ -191,9 +191,10 @@ int usb_register_dev(struct usb_interface *intf,
                intf->minor = minor;
                break;
        }
-       up_write(&minor_rwsem);
-       if (intf->minor < 0)
+       if (intf->minor < 0) {
+               up_write(&minor_rwsem);
                return -EXFULL;
+       }
 
        /* create a usb class device for this usb interface */
        snprintf(name, sizeof(name), class_driver->name, minor - minor_base);
@@ -206,12 +207,11 @@ int usb_register_dev(struct usb_interface *intf,
                                      MKDEV(USB_MAJOR, minor), class_driver,
                                      "%s", temp);
        if (IS_ERR(intf->usb_dev)) {
-               down_write(&minor_rwsem);
                usb_minors[minor] = NULL;
                intf->minor = -1;
-               up_write(&minor_rwsem);
                retval = PTR_ERR(intf->usb_dev);
        }
+       up_write(&minor_rwsem);
        return retval;
 }
 EXPORT_SYMBOL_GPL(usb_register_dev);
@@ -237,12 +237,12 @@ void usb_deregister_dev(struct usb_interface *intf,
                return;
 
        dev_dbg(&intf->dev, "removing %d minor\n", intf->minor);
+       device_destroy(usb_class->class, MKDEV(USB_MAJOR, intf->minor));
 
        down_write(&minor_rwsem);
        usb_minors[intf->minor] = NULL;
        up_write(&minor_rwsem);
 
-       device_destroy(usb_class->class, MKDEV(USB_MAJOR, intf->minor));
        intf->usb_dev = NULL;
        intf->minor = -1;
        destroy_usb_class();
diff --git a/drivers/usb/gadget/function/f_midi.c 
b/drivers/usb/gadget/function/f_midi.c
index 5ead414586a1..8232850f7b80 100644
--- a/drivers/usb/gadget/function/f_midi.c
+++ b/drivers/usb/gadget/function/f_midi.c
@@ -364,9 +364,11 @@ static int f_midi_set_alt(struct usb_function *f, unsigned 
intf, unsigned alt)
                req->complete = f_midi_complete;
                err = usb_ep_queue(midi->out_ep, req, GFP_ATOMIC);
                if (err) {
-                       ERROR(midi, "%s queue req: %d\n",
+                       ERROR(midi, "%s: couldn't enqueue request: %d\n",
                                    midi->out_ep->name, err);
-                       free_ep_req(midi->out_ep, req);
+                       if (req->buf != NULL)
+                               free_ep_req(midi->out_ep, req);
+                       return err;
                }
        }
 
diff --git a/drivers/usb/gadget/u_f.h b/drivers/usb/gadget/u_f.h
index 69a1d10df04f..3ee365fbc2e2 100644
--- a/drivers/usb/gadget/u_f.h
+++ b/drivers/usb/gadget/u_f.h
@@ -65,7 +65,9 @@ struct usb_request *alloc_ep_req(struct usb_ep *ep, size_t 
len, int default_len)
 /* Frees a usb_request previously allocated by alloc_ep_req() */
 static inline void free_ep_req(struct usb_ep *ep, struct usb_request *req)
 {
+       WARN_ON(req->buf == NULL);
        kfree(req->buf);
+       req->buf = NULL;
        usb_ep_free_request(ep, req);
 }
 
diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index 5e43fd881a9c..836fb65c3c72 100644
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -898,19 +898,20 @@ static void iowarrior_disconnect(struct usb_interface 
*interface)
        dev = usb_get_intfdata(interface);
        mutex_lock(&iowarrior_open_disc_lock);
        usb_set_intfdata(interface, NULL);
+       /* prevent device read, write and ioctl */
+       dev->present = 0;
 
        minor = dev->minor;
+       mutex_unlock(&iowarrior_open_disc_lock);
+       /* give back our minor - this will call close() locks need to be 
dropped at this point*/
 
-       /* give back our minor */
        usb_deregister_dev(interface, &iowarrior_class);
 
        mutex_lock(&dev->mutex);
 
        /* prevent device read, write and ioctl */
-       dev->present = 0;
 
        mutex_unlock(&dev->mutex);
-       mutex_unlock(&iowarrior_open_disc_lock);
 
        if (dev->opened) {
                /* There is a process that holds a filedescriptor to the device 
,
diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c
index a8b6d0036e5d..2222ec2275fc 100644
--- a/drivers/usb/misc/yurex.c
+++ b/drivers/usb/misc/yurex.c
@@ -96,7 +96,6 @@ static void yurex_delete(struct kref *kref)
 
        dev_dbg(&dev->interface->dev, "%s\n", __func__);
 
-       usb_put_dev(dev->udev);
        if (dev->cntl_urb) {
                usb_kill_urb(dev->cntl_urb);
                kfree(dev->cntl_req);
@@ -112,6 +111,7 @@ static void yurex_delete(struct kref *kref)
                                dev->int_buffer, dev->urb->transfer_dma);
                usb_free_urb(dev->urb);
        }
+       usb_put_dev(dev->udev);
        kfree(dev);
 }
 
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index d7b31fdce94d..1bceb11f3782 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -967,6 +967,11 @@ static const struct usb_device_id option_ids[] = {
        { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x7B) },
        { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x7C) },
 
+       /* Motorola devices */
+       { USB_DEVICE_AND_INTERFACE_INFO(0x22b8, 0x2a70, 0xff, 0xff, 0xff) },    
/* mdm6600 */
+       { USB_DEVICE_AND_INTERFACE_INFO(0x22b8, 0x2e0a, 0xff, 0xff, 0xff) },    
/* mdm9600 */
+       { USB_DEVICE_AND_INTERFACE_INFO(0x22b8, 0x4281, 0x0a, 0x00, 0xfc) },    
/* mdm ram dl */
+       { USB_DEVICE_AND_INTERFACE_INFO(0x22b8, 0x900e, 0xff, 0xff, 0xff) },    
/* mdm qc dl */
 
        { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) },
        { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) },
@@ -1544,6 +1549,7 @@ static const struct usb_device_id option_ids[] = {
        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1428, 0xff, 0xff, 
0xff),  /* Telewell TW-LTE 4G v2 */
          .driver_info = RSVD(2) },
        { USB_DEVICE_INTERFACE_CLASS(ZTE_VENDOR_ID, 0x1476, 0xff) },    /* 
GosunCn ZTE WeLink ME3630 (ECM/NCM mode) */
+       { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1481, 0xff, 0x00, 
0x00) }, /* ZTE MF871A */
        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1533, 0xff, 0xff, 
0xff) },
        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1534, 0xff, 0xff, 
0xff) },
        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1535, 0xff, 0xff, 
0xff) },
@@ -1949,11 +1955,15 @@ static const struct usb_device_id option_ids[] = {
          .driver_info = RSVD(4) },
        { USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e35, 0xff),                     
/* D-Link DWM-222 */
          .driver_info = RSVD(4) },
+       { USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e3d, 0xff),                     
/* D-Link DWM-222 A2 */
+         .driver_info = RSVD(4) },
        { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) },    
/* D-Link DWM-152/C1 */
        { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) },    
/* D-Link DWM-156/C1 */
        { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x7e11, 0xff, 0xff, 0xff) },    
/* D-Link DWM-156/A3 */
        { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x2031, 0xff),                     
/* Olicard 600 */
          .driver_info = RSVD(4) },
+       { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x2060, 0xff),                     
/* BroadMobi BM818 */
+         .driver_info = RSVD(4) },
        { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) },                   
/* OLICARD300 - MT6225 */
        { USB_DEVICE(INOVIA_VENDOR_ID, INOVIA_SEW858) },
        { USB_DEVICE(VIATELECOM_VENDOR_ID, VIATELECOM_PRODUCT_CDS7) },
diff --git a/drivers/xen/xen-pciback/conf_space_capability.c 
b/drivers/xen/xen-pciback/conf_space_capability.c
index 7f83e9083e9d..b1a1d7de0894 100644
--- a/drivers/xen/xen-pciback/conf_space_capability.c
+++ b/drivers/xen/xen-pciback/conf_space_capability.c
@@ -115,13 +115,12 @@ static int pm_ctrl_write(struct pci_dev *dev, int offset, 
u16 new_value,
 {
        int err;
        u16 old_value;
-       pci_power_t new_state, old_state;
+       pci_power_t new_state;
 
        err = pci_read_config_word(dev, offset, &old_value);
        if (err)
                goto out;
 
-       old_state = (pci_power_t)(old_value & PCI_PM_CTRL_STATE_MASK);
        new_state = (pci_power_t)(new_value & PCI_PM_CTRL_STATE_MASK);
 
        new_value &= PM_OK_BITS;
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 5e21d58c49ef..84e60b3a5c7c 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -171,7 +171,7 @@ smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon)
        if (tcon == NULL)
                return 0;
 
-       if (smb2_command == SMB2_TREE_CONNECT)
+       if (smb2_command == SMB2_TREE_CONNECT || smb2_command == SMB2_IOCTL)
                return 0;
 
        if (tcon->tidStatus == CifsExiting) {
@@ -677,7 +677,12 @@ ssetup_ntlmssp_authenticate:
        else
                req->SecurityMode = 0;
 
+#ifdef CONFIG_CIFS_DFS_UPCALL
+       req->Capabilities = cpu_to_le32(SMB2_GLOBAL_CAP_DFS);
+#else
        req->Capabilities = 0;
+#endif /* DFS_UPCALL */
+
        req->Channel = 0; /* MBZ */
 
        iov[0].iov_base = (char *)req;
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 4f0788232f2f..06faa608e562 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -3808,7 +3808,6 @@ static int ocfs2_xattr_bucket_find(struct inode *inode,
        u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
        int low_bucket = 0, bucket, high_bucket;
        struct ocfs2_xattr_bucket *search;
-       u32 last_hash;
        u64 blkno, lower_blkno = 0;
 
        search = ocfs2_xattr_bucket_new(inode);
@@ -3852,8 +3851,6 @@ static int ocfs2_xattr_bucket_find(struct inode *inode,
                if (xh->xh_count)
                        xe = &xh->xh_entries[le16_to_cpu(xh->xh_count) - 1];
 
-               last_hash = le32_to_cpu(xe->xe_name_hash);
-
                /* record lower_blkno which may be the insert place. */
                lower_blkno = blkno;
 
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
index 09aa521a0085..af2c3d4a6e6f 100644
--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -143,7 +143,7 @@ extern void warn_slowpath_null(const char *file, const int 
line);
 #endif
 
 #ifndef HAVE_ARCH_BUG_ON
-#define BUG_ON(condition) do { if (condition) ; } while (0)
+#define BUG_ON(condition) do { if (condition) BUG(); } while (0)
 #endif
 
 #ifndef HAVE_ARCH_WARN_ON
diff --git a/include/asm-generic/getorder.h b/include/asm-generic/getorder.h
index 65e4468ac53d..52fbf236a90e 100644
--- a/include/asm-generic/getorder.h
+++ b/include/asm-generic/getorder.h
@@ -6,24 +6,6 @@
 #include <linux/compiler.h>
 #include <linux/log2.h>
 
-/*
- * Runtime evaluation of get_order()
- */
-static inline __attribute_const__
-int __get_order(unsigned long size)
-{
-       int order;
-
-       size--;
-       size >>= PAGE_SHIFT;
-#if BITS_PER_LONG == 32
-       order = fls(size);
-#else
-       order = fls64(size);
-#endif
-       return order;
-}
-
 /**
  * get_order - Determine the allocation order of a memory size
  * @size: The size for which to get the order
@@ -42,19 +24,27 @@ int __get_order(unsigned long size)
  * to hold an object of the specified size.
  *
  * The result is undefined if the size is 0.
- *
- * This function may be used to initialise variables with compile time
- * evaluations of constants.
  */
-#define get_order(n)                                           \
-(                                                              \
-       __builtin_constant_p(n) ? (                             \
-               ((n) == 0UL) ? BITS_PER_LONG - PAGE_SHIFT :     \
-               (((n) < (1UL << PAGE_SHIFT)) ? 0 :              \
-                ilog2((n) - 1) - PAGE_SHIFT + 1)               \
-       ) :                                                     \
-       __get_order(n)                                          \
-)
+static inline __attribute_const__ int get_order(unsigned long size)
+{
+       if (__builtin_constant_p(size)) {
+               if (!size)
+                       return BITS_PER_LONG - PAGE_SHIFT;
+
+               if (size < (1UL << PAGE_SHIFT))
+                       return 0;
+
+               return ilog2((size) - 1) - PAGE_SHIFT + 1;
+       }
+
+       size--;
+       size >>= PAGE_SHIFT;
+#if BITS_PER_LONG == 32
+       return fls(size);
+#else
+       return fls64(size);
+#endif
+}
 
 #endif /* __ASSEMBLY__ */
 
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index ed772311ec1f..5508011cc0c7 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -52,6 +52,22 @@ extern void __chk_io_ptr(const volatile void __iomem *);
 
 #ifdef __KERNEL__
 
+/*
+ * Minimal backport of compiler_attributes.h to add support for __copy
+ * to v4.9.y so that we can use it in init/exit_module to avoid
+ * -Werror=missing-attributes errors on GCC 9.
+ */
+#ifndef __has_attribute
+# define __has_attribute(x) __GCC4_has_attribute_##x
+# define __GCC4_has_attribute___copy__                0
+#endif
+
+#if __has_attribute(__copy__)
+# define __copy(symbol)                 __attribute__((__copy__(symbol)))
+#else
+# define __copy(symbol)
+#endif
+
 #ifdef __GNUC__
 #include <linux/compiler-gcc.h>
 #endif
diff --git a/include/linux/module.h b/include/linux/module.h
index dfe5c2e25ba1..d237d0574179 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -127,13 +127,13 @@ extern void cleanup_module(void);
 #define module_init(initfn)                                    \
        static inline initcall_t __maybe_unused __inittest(void)                
\
        { return initfn; }                                      \
-       int init_module(void) __attribute__((alias(#initfn)));
+       int init_module(void) __copy(initfn) __attribute__((alias(#initfn)));
 
 /* This is only required if you want to be unloadable. */
 #define module_exit(exitfn)                                    \
        static inline exitcall_t __maybe_unused __exittest(void)                
\
        { return exitfn; }                                      \
-       void cleanup_module(void) __attribute__((alias(#exitfn)));
+       void cleanup_module(void) __copy(exitfn) 
__attribute__((alias(#exitfn)));
 
 #endif
 
diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h
index de7e3ee60f0c..e59180264591 100644
--- a/include/scsi/libfcoe.h
+++ b/include/scsi/libfcoe.h
@@ -236,6 +236,7 @@ struct fcoe_fcf {
  * @vn_mac:    VN_Node assigned MAC address for data
  */
 struct fcoe_rport {
+       struct fc_rport_priv rdata;
        unsigned long time;
        u16 fcoe_len;
        u16 flags;
diff --git a/include/sound/compress_driver.h b/include/sound/compress_driver.h
index 85ff3181e6f1..a5c6e6da3d3d 100644
--- a/include/sound/compress_driver.h
+++ b/include/sound/compress_driver.h
@@ -178,10 +178,7 @@ static inline void snd_compr_drain_notify(struct 
snd_compr_stream *stream)
        if (snd_BUG_ON(!stream))
                return;
 
-       if (stream->direction == SND_COMPRESS_PLAYBACK)
-               stream->runtime->state = SNDRV_PCM_STATE_SETUP;
-       else
-               stream->runtime->state = SNDRV_PCM_STATE_PREPARED;
+       stream->runtime->state = SNDRV_PCM_STATE_SETUP;
 
        wake_up(&stream->runtime->sleep);
 }
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 41fe80e3380f..a7014f854e67 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -8757,7 +8757,7 @@ perf_event_create_kernel_counter(struct perf_event_attr 
*attr, int cpu,
                goto err_free;
        }
 
-       perf_install_in_context(ctx, event, cpu);
+       perf_install_in_context(ctx, event, event->cpu);
        perf_unpin_context(ctx);
        mutex_unlock(&ctx->mutex);
 
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 9a8e688724b1..a84eb0f8c5db 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -988,28 +988,47 @@ void mem_cgroup_iter_break(struct mem_cgroup *root,
                css_put(&prev->css);
 }
 
-static void invalidate_reclaim_iterators(struct mem_cgroup *dead_memcg)
+static void __invalidate_reclaim_iterators(struct mem_cgroup *from,
+                                       struct mem_cgroup *dead_memcg)
 {
-       struct mem_cgroup *memcg = dead_memcg;
        struct mem_cgroup_reclaim_iter *iter;
        struct mem_cgroup_per_zone *mz;
        int nid, zid;
        int i;
 
-       for (; memcg; memcg = parent_mem_cgroup(memcg)) {
-               for_each_node(nid) {
-                       for (zid = 0; zid < MAX_NR_ZONES; zid++) {
-                               mz = &memcg->nodeinfo[nid]->zoneinfo[zid];
-                               for (i = 0; i <= DEF_PRIORITY; i++) {
-                                       iter = &mz->iter[i];
-                                       cmpxchg(&iter->position,
-                                               dead_memcg, NULL);
-                               }
+       for_each_node(nid) {
+               for (zid = 0; zid < MAX_NR_ZONES; zid++) {
+                       mz = &from->nodeinfo[nid]->zoneinfo[zid];
+                       for (i = 0; i <= DEF_PRIORITY; i++) {
+                               iter = &mz->iter[i];
+                               cmpxchg(&iter->position,
+                                       dead_memcg, NULL);
                        }
                }
        }
 }
 
+static void invalidate_reclaim_iterators(struct mem_cgroup *dead_memcg)
+{
+       struct mem_cgroup *memcg = dead_memcg;
+       struct mem_cgroup *last;
+
+       do {
+               __invalidate_reclaim_iterators(memcg, dead_memcg);
+               last = memcg;
+       } while ((memcg = parent_mem_cgroup(memcg)));
+
+       /*
+        * When cgruop1 non-hierarchy mode is used,
+        * parent_mem_cgroup() does not walk all the way up to the
+        * cgroup root (root_mem_cgroup). So we have to handle
+        * dead_memcg from cgroup root separately.
+        */
+       if (last != root_mem_cgroup)
+               __invalidate_reclaim_iterators(root_mem_cgroup,
+                                               dead_memcg);
+}
+
 /*
  * Iteration constructs for visiting all cgroups (under a tree).  If
  * loops are exited prematurely (break), mem_cgroup_iter_break() must
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 7c556b59f0ec..d118e59a2bef 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1677,6 +1677,12 @@ void *__vmalloc_node_range(unsigned long size, unsigned 
long align,
        if (!addr)
                return NULL;
 
+       /*
+        * First make sure the mappings are removed from all page-tables
+        * before they are freed.
+        */
+       vmalloc_sync_all();
+
        /*
         * In this function, newly allocated vm_struct has VM_UNINITIALIZED
         * flag. It means that vm_struct is not fully initialized.
@@ -2214,6 +2220,9 @@ EXPORT_SYMBOL(remap_vmalloc_range);
 /*
  * Implement a stub for vmalloc_sync_all() if the architecture chose not to
  * have one.
+ *
+ * The purpose of this function is to make sure the vmalloc area
+ * mappings are identical in all page-tables in the system.
  */
 void __weak vmalloc_sync_all(void)
 {
diff --git a/net/mac80211/driver-ops.c b/net/mac80211/driver-ops.c
index c258f1041d33..df2e4e311217 100644
--- a/net/mac80211/driver-ops.c
+++ b/net/mac80211/driver-ops.c
@@ -169,11 +169,16 @@ int drv_conf_tx(struct ieee80211_local *local,
        if (!check_sdata_in_driver(sdata))
                return -EIO;
 
-       if (WARN_ONCE(params->cw_min == 0 ||
-                     params->cw_min > params->cw_max,
-                     "%s: invalid CW_min/CW_max: %d/%d\n",
-                     sdata->name, params->cw_min, params->cw_max))
+       if (params->cw_min == 0 || params->cw_min > params->cw_max) {
+               /*
+                * If we can't configure hardware anyway, don't warn. We may
+                * never have initialized the CW parameters.
+                */
+               WARN_ONCE(local->ops->conf_tx,
+                         "%s: invalid CW_min/CW_max: %d/%d\n",
+                         sdata->name, params->cw_min, params->cw_max);
                return -EINVAL;
+       }
 
        trace_drv_conf_tx(local, sdata, ac, params);
        if (local->ops->conf_tx)
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 08384dbf426c..ae5387b93df3 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1892,6 +1892,16 @@ static bool ieee80211_sta_wmm_params(struct 
ieee80211_local *local,
                }
        }
 
+       /* WMM specification requires all 4 ACIs. */
+       for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
+               if (params[ac].cw_min == 0) {
+                       sdata_info(sdata,
+                                  "AP has invalid WMM params (missing AC %d), 
using defaults\n",
+                                  ac);
+                       return false;
+               }
+       }
+
        for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
                mlme_dbg(sdata,
                         "WMM AC=%d acm=%d aifs=%d cWmin=%d cWmax=%d txop=%d 
uapsd=%d, downgraded=%d\n",
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index 9adedba78eea..044559c10e98 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -495,7 +495,7 @@ static int nfnetlink_bind(struct net *net, int group)
        ss = nfnetlink_get_subsys(type << 8);
        rcu_read_unlock();
        if (!ss)
-               request_module("nfnetlink-subsys-%d", type);
+               request_module_nowait("nfnetlink-subsys-%d", type);
        return 0;
 }
 #endif
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index c78bcc13ebab..5d8988185c59 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2498,6 +2498,13 @@ static int tpacket_snd(struct packet_sock *po, struct 
msghdr *msg)
 
        mutex_lock(&po->pg_vec_lock);
 
+       /* packet_sendmsg() check on tx_ring.pg_vec was lockless,
+        * we need to confirm it under protection of pg_vec_lock.
+        */
+       if (unlikely(!po->tx_ring.pg_vec)) {
+               err = -EBUSY;
+               goto out;
+       }
        if (likely(saddr == NULL)) {
                dev     = packet_cached_dev_get(po);
                proto   = po->num;
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 6098d4c42fa9..e5cd14307aa5 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -504,7 +504,7 @@ static void sctp_do_8_2_transport_strike(sctp_cmd_seq_t 
*commands,
         * see SCTP Quick Failover Draft, section 5.1
         */
        if ((transport->state == SCTP_ACTIVE) &&
-          (asoc->pf_retrans < transport->pathmaxrxt) &&
+          (transport->error_count < transport->pathmaxrxt) &&
           (transport->error_count > asoc->pf_retrans)) {
 
                sctp_assoc_control_transport(asoc, transport,
diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index 1366a94b6c39..7718a64b1cd1 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -74,7 +74,7 @@ modpost = scripts/mod/modpost                    \
  $(if $(CONFIG_MODULE_SRCVERSION_ALL),-a,)       \
  $(if $(KBUILD_EXTMOD),-i,-o) $(kernelsymfile)   \
  $(if $(KBUILD_EXTMOD),-I $(modulesymfile))      \
- $(if $(KBUILD_EXTRA_SYMBOLS), $(patsubst %, -e %,$(KBUILD_EXTRA_SYMBOLS))) \
+ $(if $(KBUILD_EXTMOD),$(addprefix -e ,$(KBUILD_EXTRA_SYMBOLS))) \
  $(if $(KBUILD_EXTMOD),-o $(modulesymfile))      \
  $(if $(CONFIG_DEBUG_SECTION_MISMATCH),,-S)      \
  $(if $(CONFIG_SECTION_MISMATCH_WARN_ONLY),,-E)  \
diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index 3c88a3384064..771d7b334ad8 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -551,10 +551,7 @@ snd_compr_set_params(struct snd_compr_stream *stream, 
unsigned long arg)
                stream->metadata_set = false;
                stream->next_track = false;
 
-               if (stream->direction == SND_COMPRESS_PLAYBACK)
-                       stream->runtime->state = SNDRV_PCM_STATE_SETUP;
-               else
-                       stream->runtime->state = SNDRV_PCM_STATE_PREPARED;
+               stream->runtime->state = SNDRV_PCM_STATE_SETUP;
        } else {
                return -EPERM;
        }
@@ -670,8 +667,17 @@ static int snd_compr_start(struct snd_compr_stream *stream)
 {
        int retval;
 
-       if (stream->runtime->state != SNDRV_PCM_STATE_PREPARED)
+       switch (stream->runtime->state) {
+       case SNDRV_PCM_STATE_SETUP:
+               if (stream->direction != SND_COMPRESS_CAPTURE)
+                       return -EPERM;
+               break;
+       case SNDRV_PCM_STATE_PREPARED:
+               break;
+       default:
                return -EPERM;
+       }
+
        retval = stream->ops->trigger(stream, SNDRV_PCM_TRIGGER_START);
        if (!retval)
                stream->runtime->state = SNDRV_PCM_STATE_RUNNING;
@@ -682,9 +688,15 @@ static int snd_compr_stop(struct snd_compr_stream *stream)
 {
        int retval;
 
-       if (stream->runtime->state == SNDRV_PCM_STATE_PREPARED ||
-                       stream->runtime->state == SNDRV_PCM_STATE_SETUP)
+       switch (stream->runtime->state) {
+       case SNDRV_PCM_STATE_OPEN:
+       case SNDRV_PCM_STATE_SETUP:
+       case SNDRV_PCM_STATE_PREPARED:
                return -EPERM;
+       default:
+               break;
+       }
+
        retval = stream->ops->trigger(stream, SNDRV_PCM_TRIGGER_STOP);
        if (!retval) {
                snd_compr_drain_notify(stream);
@@ -733,9 +745,17 @@ static int snd_compr_drain(struct snd_compr_stream *stream)
 {
        int retval;
 
-       if (stream->runtime->state == SNDRV_PCM_STATE_PREPARED ||
-                       stream->runtime->state == SNDRV_PCM_STATE_SETUP)
+       switch (stream->runtime->state) {
+       case SNDRV_PCM_STATE_OPEN:
+       case SNDRV_PCM_STATE_SETUP:
+       case SNDRV_PCM_STATE_PREPARED:
+       case SNDRV_PCM_STATE_PAUSED:
                return -EPERM;
+       case SNDRV_PCM_STATE_XRUN:
+               return -EPIPE;
+       default:
+               break;
+       }
 
        retval = stream->ops->trigger(stream, SND_COMPR_TRIGGER_DRAIN);
        if (retval) {
@@ -772,9 +792,19 @@ static int snd_compr_next_track(struct snd_compr_stream 
*stream)
 static int snd_compr_partial_drain(struct snd_compr_stream *stream)
 {
        int retval;
-       if (stream->runtime->state == SNDRV_PCM_STATE_PREPARED ||
-                       stream->runtime->state == SNDRV_PCM_STATE_SETUP)
+
+       switch (stream->runtime->state) {
+       case SNDRV_PCM_STATE_OPEN:
+       case SNDRV_PCM_STATE_SETUP:
+       case SNDRV_PCM_STATE_PREPARED:
+       case SNDRV_PCM_STATE_PAUSED:
                return -EPERM;
+       case SNDRV_PCM_STATE_XRUN:
+               return -EPIPE;
+       default:
+               break;
+       }
+
        /* stream can be drained only when next track has been signalled */
        if (stream->next_track == false)
                return -EPERM;
diff --git a/sound/firewire/packets-buffer.c b/sound/firewire/packets-buffer.c
index ea1506679c66..3b09b8ef3a09 100644
--- a/sound/firewire/packets-buffer.c
+++ b/sound/firewire/packets-buffer.c
@@ -37,7 +37,7 @@ int iso_packets_buffer_init(struct iso_packets_buffer *b, 
struct fw_unit *unit,
        packets_per_page = PAGE_SIZE / packet_size;
        if (WARN_ON(!packets_per_page)) {
                err = -EINVAL;
-               goto error;
+               goto err_packets;
        }
        pages = DIV_ROUND_UP(count, packets_per_page);
 
diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index 689df78f640a..142549bbeb53 100644
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -5917,7 +5917,7 @@ static int snd_hda_parse_generic_codec(struct hda_codec 
*codec)
 
        err = snd_hda_parse_pin_defcfg(codec, &spec->autocfg, NULL, 0);
        if (err < 0)
-               return err;
+               goto error;
 
        err = snd_hda_gen_parse_auto_config(codec, &spec->autocfg);
        if (err < 0)
diff --git a/sound/sound_core.c b/sound/sound_core.c
index 99b73c675743..20d4e2e1bacf 100644
--- a/sound/sound_core.c
+++ b/sound/sound_core.c
@@ -287,7 +287,8 @@ retry:
                                goto retry;
                        }
                        spin_unlock(&sound_loader_lock);
-                       return -EBUSY;
+                       r = -EBUSY;
+                       goto fail;
                }
        }
 
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index 9d4ac90ca87e..66fb1d53d0f0 100644
--- a/tools/perf/builtin-probe.c
+++ b/tools/perf/builtin-probe.c
@@ -613,6 +613,16 @@ __cmd_probe(int argc, const char **argv, const char 
*prefix __maybe_unused)
 
                ret = perf_add_probe_events(params.events, params.nevents);
                if (ret < 0) {
+
+                       /*
+                        * When perf_add_probe_events() fails it calls
+                        * cleanup_perf_probe_events(pevs, npevs), i.e.
+                        * cleanup_perf_probe_events(params.events, 
params.nevents), which
+                        * will call clear_perf_probe_event(), so set nevents 
to zero
+                        * to avoid cleanup_params() to call 
clear_perf_probe_event() again
+                        * on the same pevs.
+                        */
+                       params.nevents = 0;
                        pr_err_with_code("  Error: Failed to add events.", ret);
                        return ret;
                }
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 304f5d710143..81ceb4ace88d 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -2591,6 +2591,13 @@ int perf_session__read_header(struct perf_session 
*session)
                           file->path);
        }
 
+       if (f_header.attr_size == 0) {
+               pr_err("ERROR: The %s file's attr size field is 0 which is 
unexpected.\n"
+                      "Was the 'perf record' command properly terminated?\n",
+                      file->path);
+               return -EINVAL;
+       }
+
        nr_attrs = f_header.attrs.size / f_header.attr_size;
        lseek(fd, f_header.attrs.offset, SEEK_SET);
 
@@ -2673,7 +2680,7 @@ int perf_event__synthesize_attr(struct perf_tool *tool,
        size += sizeof(struct perf_event_header);
        size += ids * sizeof(u64);
 
-       ev = malloc(size);
+       ev = zalloc(size);
 
        if (ev == NULL)
                return -ENOMEM;
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 829508a21448..45c19b443f2f 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -110,14 +110,24 @@ struct comm *thread__comm(const struct thread *thread)
 
 struct comm *thread__exec_comm(const struct thread *thread)
 {
-       struct comm *comm, *last = NULL;
+       struct comm *comm, *last = NULL, *second_last = NULL;
 
        list_for_each_entry(comm, &thread->comm_list, list) {
                if (comm->exec)
                        return comm;
+               second_last = last;
                last = comm;
        }
 
+       /*
+        * 'last' with no start time might be the parent's comm of a synthesized
+        * thread (created by processing a synthesized fork event). For a main
+        * thread, that is very probably wrong. Prefer a later comm to avoid
+        * that case.
+        */
+       if (second_last && !last->start && thread->pid_ == thread->tid)
+               return second_last;
+
        return last;
 }
 

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