commit:     920f55642f3ef43ed065b605ea9c0038a22dff79
Author:     Alice Ferrazzi <alicef <AT> gentoo <DOT> org>
AuthorDate: Fri Aug 21 11:10:37 2020 +0000
Commit:     Alice Ferrazzi <alicef <AT> gentoo <DOT> org>
CommitDate: Fri Aug 21 11:10:48 2020 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=920f5564

Linux patch 4.4.233

Signed-off-by: Alice Ferrazzi <alicef <AT> gentoo.org>

 0000_README              |    4 +
 1232_linux-4.4.233.patch | 4094 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 4098 insertions(+)

diff --git a/0000_README b/0000_README
index 16b1510..9a38dca 100644
--- a/0000_README
+++ b/0000_README
@@ -971,6 +971,10 @@ Patch:  1231_linux-4.4.232.patch
 From:   http://www.kernel.org
 Desc:   Linux 4.4.232
 
+Patch:  1232_linux-4.4.233.patch
+From:   http://www.kernel.org
+Desc:   Linux 4.4.233
+
 Patch:  1500_XATTR_USER_PREFIX.patch
 From:   https://bugs.gentoo.org/show_bug.cgi?id=470644
 Desc:   Support for namespace user.pax.* on tmpfs.

diff --git a/1232_linux-4.4.233.patch b/1232_linux-4.4.233.patch
new file mode 100644
index 0000000..c4fca50
--- /dev/null
+++ b/1232_linux-4.4.233.patch
@@ -0,0 +1,4094 @@
+diff --git a/Documentation/ABI/testing/sysfs-bus-iio 
b/Documentation/ABI/testing/sysfs-bus-iio
+index 0439c2aaf7419..f20c783cb5c03 100644
+--- a/Documentation/ABI/testing/sysfs-bus-iio
++++ b/Documentation/ABI/testing/sysfs-bus-iio
+@@ -1470,7 +1470,8 @@ What:            
/sys/bus/iio/devices/iio:deviceX/in_concentrationX_voc_raw
+ KernelVersion:        4.3
+ Contact:      linux-...@vger.kernel.org
+ Description:
+-              Raw (unscaled no offset etc.) percentage reading of a substance.
++              Raw (unscaled no offset etc.) reading of a substance. Units
++              after application of scale and offset are percents.
+ 
+ What:         /sys/bus/iio/devices/iio:deviceX/in_resistance_raw
+ What:         /sys/bus/iio/devices/iio:deviceX/in_resistanceX_raw
+diff --git a/Makefile b/Makefile
+index 47a0a6c8272bf..8f363a3bcaf81 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 4
+ PATCHLEVEL = 4
+-SUBLEVEL = 232
++SUBLEVEL = 233
+ EXTRAVERSION =
+ NAME = Blurry Fish Butt
+ 
+diff --git a/arch/arm/include/asm/percpu.h b/arch/arm/include/asm/percpu.h
+index a89b4076cde47..72821b4721add 100644
+--- a/arch/arm/include/asm/percpu.h
++++ b/arch/arm/include/asm/percpu.h
+@@ -16,6 +16,8 @@
+ #ifndef _ASM_ARM_PERCPU_H_
+ #define _ASM_ARM_PERCPU_H_
+ 
++#include <asm/thread_info.h>
++
+ /*
+  * Same as asm-generic/percpu.h, except that we store the per cpu offset
+  * in the TPIDRPRW. TPIDRPRW only exists on V6K and V7
+diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c
+index abcbea1ae30ba..78c6be1b27145 100644
+--- a/arch/arm/kernel/hw_breakpoint.c
++++ b/arch/arm/kernel/hw_breakpoint.c
+@@ -688,6 +688,12 @@ static void disable_single_step(struct perf_event *bp)
+       arch_install_hw_breakpoint(bp);
+ }
+ 
++static int watchpoint_fault_on_uaccess(struct pt_regs *regs,
++                                     struct arch_hw_breakpoint *info)
++{
++      return !user_mode(regs) && info->ctrl.privilege == ARM_BREAKPOINT_USER;
++}
++
+ static void watchpoint_handler(unsigned long addr, unsigned int fsr,
+                              struct pt_regs *regs)
+ {
+@@ -747,16 +753,27 @@ static void watchpoint_handler(unsigned long addr, 
unsigned int fsr,
+               }
+ 
+               pr_debug("watchpoint fired: address = 0x%x\n", info->trigger);
++
++              /*
++               * If we triggered a user watchpoint from a uaccess routine,
++               * then handle the stepping ourselves since userspace really
++               * can't help us with this.
++               */
++              if (watchpoint_fault_on_uaccess(regs, info))
++                      goto step;
++
+               perf_bp_event(wp, regs);
+ 
+               /*
+-               * If no overflow handler is present, insert a temporary
+-               * mismatch breakpoint so we can single-step over the
+-               * watchpoint trigger.
++               * Defer stepping to the overflow handler if one is installed.
++               * Otherwise, insert a temporary mismatch breakpoint so that
++               * we can single-step over the watchpoint trigger.
+                */
+-              if (!wp->overflow_handler)
+-                      enable_single_step(wp, instruction_pointer(regs));
++              if (wp->overflow_handler)
++                      goto unlock;
+ 
++step:
++              enable_single_step(wp, instruction_pointer(regs));
+ unlock:
+               rcu_read_unlock();
+       }
+diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c
+index 92b72375c4c72..6e8a50de40e2b 100644
+--- a/arch/arm/kernel/stacktrace.c
++++ b/arch/arm/kernel/stacktrace.c
+@@ -19,6 +19,19 @@
+  * A simple function epilogue looks like this:
+  *    ldm     sp, {fp, sp, pc}
+  *
++ * When compiled with clang, pc and sp are not pushed. A simple function
++ * prologue looks like this when built with clang:
++ *
++ *    stmdb   {..., fp, lr}
++ *    add     fp, sp, #x
++ *    sub     sp, sp, #y
++ *
++ * A simple function epilogue looks like this when built with clang:
++ *
++ *    sub     sp, fp, #x
++ *    ldm     {..., fp, pc}
++ *
++ *
+  * Note that with framepointer enabled, even the leaf functions have the same
+  * prologue and epilogue, therefore we can ignore the LR value in this case.
+  */
+@@ -31,6 +44,16 @@ int notrace unwind_frame(struct stackframe *frame)
+       low = frame->sp;
+       high = ALIGN(low, THREAD_SIZE);
+ 
++#ifdef CONFIG_CC_IS_CLANG
++      /* check current frame pointer is within bounds */
++      if (fp < low + 4 || fp > high - 4)
++              return -EINVAL;
++
++      frame->sp = frame->fp;
++      frame->fp = *(unsigned long *)(fp);
++      frame->pc = frame->lr;
++      frame->lr = *(unsigned long *)(fp + 4);
++#else
+       /* check current frame pointer is within bounds */
+       if (fp < low + 12 || fp > high - 4)
+               return -EINVAL;
+@@ -39,6 +62,7 @@ int notrace unwind_frame(struct stackframe *frame)
+       frame->fp = *(unsigned long *)(fp - 12);
+       frame->sp = *(unsigned long *)(fp - 8);
+       frame->pc = *(unsigned long *)(fp - 4);
++#endif
+ 
+       return 0;
+ }
+diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
+index 84eefbc2b4f93..5923f2ca510be 100644
+--- a/arch/arm/mach-at91/pm.c
++++ b/arch/arm/mach-at91/pm.c
+@@ -393,13 +393,13 @@ static void __init at91_pm_sram_init(void)
+       sram_pool = gen_pool_get(&pdev->dev, NULL);
+       if (!sram_pool) {
+               pr_warn("%s: sram pool unavailable!\n", __func__);
+-              return;
++              goto out_put_device;
+       }
+ 
+       sram_base = gen_pool_alloc(sram_pool, at91_pm_suspend_in_sram_sz);
+       if (!sram_base) {
+               pr_warn("%s: unable to alloc sram!\n", __func__);
+-              return;
++              goto out_put_device;
+       }
+ 
+       sram_pbase = gen_pool_virt_to_phys(sram_pool, sram_base);
+@@ -407,12 +407,17 @@ static void __init at91_pm_sram_init(void)
+                                       at91_pm_suspend_in_sram_sz, false);
+       if (!at91_suspend_sram_fn) {
+               pr_warn("SRAM: Could not map\n");
+-              return;
++              goto out_put_device;
+       }
+ 
+       /* Copy the pm suspend handler to SRAM */
+       at91_suspend_sram_fn = fncpy(at91_suspend_sram_fn,
+                       &at91_pm_suspend_in_sram, at91_pm_suspend_in_sram_sz);
++      return;
++
++out_put_device:
++      put_device(&pdev->dev);
++      return;
+ }
+ 
+ static void __init at91_pm_init(void)
+diff --git a/arch/arm/mach-socfpga/pm.c b/arch/arm/mach-socfpga/pm.c
+index c378ab0c24317..93f2245c97750 100644
+--- a/arch/arm/mach-socfpga/pm.c
++++ b/arch/arm/mach-socfpga/pm.c
+@@ -60,14 +60,14 @@ static int socfpga_setup_ocram_self_refresh(void)
+       if (!ocram_pool) {
+               pr_warn("%s: ocram pool unavailable!\n", __func__);
+               ret = -ENODEV;
+-              goto put_node;
++              goto put_device;
+       }
+ 
+       ocram_base = gen_pool_alloc(ocram_pool, socfpga_sdram_self_refresh_sz);
+       if (!ocram_base) {
+               pr_warn("%s: unable to alloc ocram!\n", __func__);
+               ret = -ENOMEM;
+-              goto put_node;
++              goto put_device;
+       }
+ 
+       ocram_pbase = gen_pool_virt_to_phys(ocram_pool, ocram_base);
+@@ -78,7 +78,7 @@ static int socfpga_setup_ocram_self_refresh(void)
+       if (!suspend_ocram_base) {
+               pr_warn("%s: __arm_ioremap_exec failed!\n", __func__);
+               ret = -ENOMEM;
+-              goto put_node;
++              goto put_device;
+       }
+ 
+       /* Copy the code that puts DDR in self refresh to ocram */
+@@ -92,6 +92,8 @@ static int socfpga_setup_ocram_self_refresh(void)
+       if (!socfpga_sdram_self_refresh_in_ocram)
+               ret = -EFAULT;
+ 
++put_device:
++      put_device(&pdev->dev);
+ put_node:
+       of_node_put(np);
+ 
+diff --git a/arch/m68k/mac/iop.c b/arch/m68k/mac/iop.c
+index 4d2adfb32a2ab..358ca965cf824 100644
+--- a/arch/m68k/mac/iop.c
++++ b/arch/m68k/mac/iop.c
+@@ -173,7 +173,7 @@ static __inline__ void iop_writeb(volatile struct mac_iop 
*iop, __u16 addr, __u8
+ 
+ static __inline__ void iop_stop(volatile struct mac_iop *iop)
+ {
+-      iop->status_ctrl &= ~IOP_RUN;
++      iop->status_ctrl = IOP_AUTOINC;
+ }
+ 
+ static __inline__ void iop_start(volatile struct mac_iop *iop)
+@@ -181,14 +181,9 @@ static __inline__ void iop_start(volatile struct mac_iop 
*iop)
+       iop->status_ctrl = IOP_RUN | IOP_AUTOINC;
+ }
+ 
+-static __inline__ void iop_bypass(volatile struct mac_iop *iop)
+-{
+-      iop->status_ctrl |= IOP_BYPASS;
+-}
+-
+ static __inline__ void iop_interrupt(volatile struct mac_iop *iop)
+ {
+-      iop->status_ctrl |= IOP_IRQ;
++      iop->status_ctrl = IOP_IRQ | IOP_RUN | IOP_AUTOINC;
+ }
+ 
+ static int iop_alive(volatile struct mac_iop *iop)
+@@ -239,7 +234,6 @@ void __init iop_preinit(void)
+               } else {
+                       iop_base[IOP_NUM_SCC] = (struct mac_iop *) 
SCC_IOP_BASE_QUADRA;
+               }
+-              iop_base[IOP_NUM_SCC]->status_ctrl = 0x87;
+               iop_scc_present = 1;
+       } else {
+               iop_base[IOP_NUM_SCC] = NULL;
+@@ -251,7 +245,7 @@ void __init iop_preinit(void)
+               } else {
+                       iop_base[IOP_NUM_ISM] = (struct mac_iop *) 
ISM_IOP_BASE_QUADRA;
+               }
+-              iop_base[IOP_NUM_ISM]->status_ctrl = 0;
++              iop_stop(iop_base[IOP_NUM_ISM]);
+               iop_ism_present = 1;
+       } else {
+               iop_base[IOP_NUM_ISM] = NULL;
+@@ -416,7 +410,8 @@ static void iop_handle_send(uint iop_num, uint chan)
+       iop_free_msg(msg2);
+ 
+       iop_send_queue[iop_num][chan] = msg;
+-      if (msg) iop_do_send(msg);
++      if (msg && iop_readb(iop, IOP_ADDR_SEND_STATE + chan) == IOP_MSG_IDLE)
++              iop_do_send(msg);
+ }
+ 
+ /*
+@@ -497,16 +492,12 @@ int iop_send_message(uint iop_num, uint chan, void 
*privdata,
+ 
+       if (!(q = iop_send_queue[iop_num][chan])) {
+               iop_send_queue[iop_num][chan] = msg;
++              iop_do_send(msg);
+       } else {
+               while (q->next) q = q->next;
+               q->next = msg;
+       }
+ 
+-      if (iop_readb(iop_base[iop_num],
+-          IOP_ADDR_SEND_STATE + chan) == IOP_MSG_IDLE) {
+-              iop_do_send(msg);
+-      }
+-
+       return 0;
+ }
+ 
+diff --git a/arch/mips/kernel/topology.c b/arch/mips/kernel/topology.c
+index cf3eb61fad121..68da7613874aa 100644
+--- a/arch/mips/kernel/topology.c
++++ b/arch/mips/kernel/topology.c
+@@ -19,7 +19,7 @@ static int __init topology_init(void)
+       for_each_present_cpu(i) {
+               struct cpu *c = &per_cpu(cpu_devices, i);
+ 
+-              c->hotpluggable = 1;
++              c->hotpluggable = !!i;
+               ret = register_cpu(c, i);
+               if (ret)
+                       printk(KERN_WARNING "topology_init: register_cpu %d "
+diff --git a/arch/powerpc/include/asm/percpu.h 
b/arch/powerpc/include/asm/percpu.h
+index 2cedefddba37f..61c78205a1d36 100644
+--- a/arch/powerpc/include/asm/percpu.h
++++ b/arch/powerpc/include/asm/percpu.h
+@@ -9,8 +9,6 @@
+ 
+ #ifdef CONFIG_SMP
+ 
+-#include <asm/paca.h>
+-
+ #define __my_cpu_offset local_paca->data_offset
+ 
+ #endif /* CONFIG_SMP */
+@@ -18,4 +16,6 @@
+ 
+ #include <asm-generic/percpu.h>
+ 
++#include <asm/paca.h>
++
+ #endif /* _ASM_POWERPC_PERCPU_H_ */
+diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
+index b457bfa284360..05c17429e5442 100644
+--- a/arch/powerpc/kernel/vdso.c
++++ b/arch/powerpc/kernel/vdso.c
+@@ -702,7 +702,7 @@ int vdso_getcpu_init(void)
+       node = cpu_to_node(cpu);
+       WARN_ON_ONCE(node > 0xffff);
+ 
+-      val = (cpu & 0xfff) | ((node & 0xffff) << 16);
++      val = (cpu & 0xffff) | ((node & 0xffff) << 16);
+       mtspr(SPRN_SPRG_VDSO_WRITE, val);
+       get_paca()->sprg_vdso = val;
+ 
+diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c 
b/arch/powerpc/platforms/pseries/hotplug-memory.c
+index 0e65d52eb56d3..2025e772fc9c9 100644
+--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
++++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
+@@ -29,7 +29,7 @@ static bool rtas_hp_event;
+ unsigned long pseries_memory_block_size(void)
+ {
+       struct device_node *np;
+-      unsigned int memblock_size = MIN_MEMORY_BLOCK_SIZE;
++      u64 memblock_size = MIN_MEMORY_BLOCK_SIZE;
+       struct resource r;
+ 
+       np = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory");
+diff --git a/arch/sh/boards/mach-landisk/setup.c 
b/arch/sh/boards/mach-landisk/setup.c
+index f1147caebacf0..af69fb7fef7c7 100644
+--- a/arch/sh/boards/mach-landisk/setup.c
++++ b/arch/sh/boards/mach-landisk/setup.c
+@@ -85,6 +85,9 @@ device_initcall(landisk_devices_setup);
+ 
+ static void __init landisk_setup(char **cmdline_p)
+ {
++      /* I/O port identity mapping */
++      __set_io_port_base(0);
++
+       /* LED ON */
+       __raw_writeb(__raw_readb(PA_LED) | 0x03, PA_LED);
+ 
+diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S
+index 5a9017ba26aba..3b0aa0ae43b4b 100644
+--- a/arch/sh/kernel/entry-common.S
++++ b/arch/sh/kernel/entry-common.S
+@@ -203,7 +203,7 @@ syscall_trace_entry:
+       mov.l   @(OFF_R7,r15), r7   ! arg3
+       mov.l   @(OFF_R3,r15), r3   ! syscall_nr
+       !
+-      mov.l   2f, r10                 ! Number of syscalls
++      mov.l   6f, r10                 ! Number of syscalls
+       cmp/hs  r10, r3
+       bf      syscall_call
+       mov     #-ENOSYS, r0
+@@ -348,7 +348,7 @@ ENTRY(system_call)
+       tst     r9, r8
+       bf      syscall_trace_entry
+       !
+-      mov.l   2f, r8                  ! Number of syscalls
++      mov.l   6f, r8                  ! Number of syscalls
+       cmp/hs  r8, r3
+       bt      syscall_badsys
+       !
+@@ -387,7 +387,7 @@ syscall_exit:
+ #if !defined(CONFIG_CPU_SH2)
+ 1:    .long   TRA
+ #endif
+-2:    .long   NR_syscalls
++6:    .long   NR_syscalls
+ 3:    .long   sys_call_table
+ 7:    .long   do_syscall_trace_enter
+ 8:    .long   do_syscall_trace_leave
+diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c
+index 4e3b8a587c882..01a1ab8483ac5 100644
+--- a/arch/x86/kernel/i8259.c
++++ b/arch/x86/kernel/i8259.c
+@@ -204,7 +204,7 @@ spurious_8259A_irq:
+                * lets ACK and report it. [once per IRQ]
+                */
+               if (!(spurious_irq_mask & irqmask)) {
+-                      printk(KERN_DEBUG
++                      printk_deferred(KERN_DEBUG
+                              "spurious 8259A interrupt: IRQ%d.\n", irq);
+                       spurious_irq_mask |= irqmask;
+               }
+diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c
+index 4c2836dc825be..47d8a85c90ff5 100644
+--- a/drivers/acpi/acpica/exprep.c
++++ b/drivers/acpi/acpica/exprep.c
+@@ -502,10 +502,6 @@ acpi_status acpi_ex_prep_field_value(struct 
acpi_create_field_info *info)
+                                   (u8)access_byte_width;
+                       }
+               }
+-              /* An additional reference for the container */
+-
+-              acpi_ut_add_reference(obj_desc->field.region_obj);
+-
+               ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
+                                 "RegionField: BitOff %X, Off %X, Gran %X, 
Region %p\n",
+                                 obj_desc->field.start_field_bit_offset,
+diff --git a/drivers/acpi/acpica/utdelete.c b/drivers/acpi/acpica/utdelete.c
+index 1638312e3d8f9..9f8b088e21d7e 100644
+--- a/drivers/acpi/acpica/utdelete.c
++++ b/drivers/acpi/acpica/utdelete.c
+@@ -590,11 +590,6 @@ acpi_ut_update_object_reference(union acpi_operand_object 
*object, u16 action)
+                       next_object = object->buffer_field.buffer_obj;
+                       break;
+ 
+-              case ACPI_TYPE_LOCAL_REGION_FIELD:
+-
+-                      next_object = object->field.region_obj;
+-                      break;
+-
+               case ACPI_TYPE_LOCAL_BANK_FIELD:
+ 
+                       next_object = object->bank_field.bank_obj;
+@@ -635,6 +630,7 @@ acpi_ut_update_object_reference(union acpi_operand_object 
*object, u16 action)
+                       }
+                       break;
+ 
++              case ACPI_TYPE_LOCAL_REGION_FIELD:
+               case ACPI_TYPE_REGION:
+               default:
+ 
+diff --git a/drivers/android/binder.c b/drivers/android/binder.c
+index 39e458b3c5325..3bc5a7caccbf1 100644
+--- a/drivers/android/binder.c
++++ b/drivers/android/binder.c
+@@ -1415,6 +1415,10 @@ static void binder_transaction(struct binder_proc *proc,
+                       return_error = BR_DEAD_REPLY;
+                       goto err_dead_binder;
+               }
++              if (WARN_ON(proc == target_proc)) {
++                      return_error = BR_FAILED_REPLY;
++                      goto err_invalid_target_handle;
++              }
+               if (security_binder_transaction(proc->tsk,
+                                               target_proc->tsk) < 0) {
+                       return_error = BR_FAILED_REPLY;
+@@ -1812,6 +1816,11 @@ static int binder_thread_write(struct binder_proc *proc,
+                       ptr += sizeof(uint32_t);
+                       if (target == 0 && binder_context_mgr_node &&
+                           (cmd == BC_INCREFS || cmd == BC_ACQUIRE)) {
++                              if (binder_context_mgr_node->proc == proc) {
++                                      binder_user_error("%d:%d context 
manager tried to acquire desc 0\n",
++                                                        proc->pid, 
thread->pid);
++                                      return -EINVAL;
++                              }
+                               ref = binder_get_ref_for_node(proc,
+                                              binder_context_mgr_node);
+                               if (ref->desc != target) {
+diff --git a/drivers/atm/atmtcp.c b/drivers/atm/atmtcp.c
+index 480fa6ffbc090..04fca6db273ef 100644
+--- a/drivers/atm/atmtcp.c
++++ b/drivers/atm/atmtcp.c
+@@ -432,9 +432,15 @@ static int atmtcp_remove_persistent(int itf)
+               return -EMEDIUMTYPE;
+       }
+       dev_data = PRIV(dev);
+-      if (!dev_data->persist) return 0;
++      if (!dev_data->persist) {
++              atm_dev_put(dev);
++              return 0;
++      }
+       dev_data->persist = 0;
+-      if (PRIV(dev)->vcc) return 0;
++      if (PRIV(dev)->vcc) {
++              atm_dev_put(dev);
++              return 0;
++      }
+       kfree(dev_data);
+       atm_dev_put(dev);
+       atm_dev_deregister(dev);
+diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
+index 76afc841232cf..3d11f5adb355e 100644
+--- a/drivers/char/agp/intel-gtt.c
++++ b/drivers/char/agp/intel-gtt.c
+@@ -303,8 +303,10 @@ static int intel_gtt_setup_scratch_page(void)
+       if (intel_private.needs_dmar) {
+               dma_addr = pci_map_page(intel_private.pcidev, page, 0,
+                                   PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
+-              if (pci_dma_mapping_error(intel_private.pcidev, dma_addr))
++              if (pci_dma_mapping_error(intel_private.pcidev, dma_addr)) {
++                      __free_page(page);
+                       return -EINVAL;
++              }
+ 
+               intel_private.scratch_page_dma = dma_addr;
+       } else
+diff --git a/drivers/char/random.c b/drivers/char/random.c
+index 661ed5ec546e5..7bb1e423eb190 100644
+--- a/drivers/char/random.c
++++ b/drivers/char/random.c
+@@ -923,6 +923,7 @@ void add_interrupt_randomness(int irq, int irq_flags)
+ 
+       fast_mix(fast_pool);
+       add_interrupt_bench(cycles);
++      this_cpu_add(net_rand_state.s1, fast_pool->pool[cycles & 3]);
+ 
+       if ((fast_pool->count < 64) &&
+           !time_after(now, fast_pool->last + HZ))
+diff --git a/drivers/clk/sirf/clk-atlas6.c b/drivers/clk/sirf/clk-atlas6.c
+index c5eaa9d162476..9af2d0dcd6a0f 100644
+--- a/drivers/clk/sirf/clk-atlas6.c
++++ b/drivers/clk/sirf/clk-atlas6.c
+@@ -137,7 +137,7 @@ static void __init atlas6_clk_init(struct device_node *np)
+ 
+       for (i = pll1; i < maxclk; i++) {
+               atlas6_clks[i] = clk_register(NULL, atlas6_clk_hw_array[i]);
+-              BUG_ON(!atlas6_clks[i]);
++              BUG_ON(IS_ERR(atlas6_clks[i]));
+       }
+       clk_register_clkdev(atlas6_clks[cpu], NULL, "cpu");
+       clk_register_clkdev(atlas6_clks[io],  NULL, "io");
+diff --git a/drivers/crypto/qat/qat_common/qat_uclo.c 
b/drivers/crypto/qat/qat_common/qat_uclo.c
+index c48f181e89415..923bb1988973b 100644
+--- a/drivers/crypto/qat/qat_common/qat_uclo.c
++++ b/drivers/crypto/qat/qat_common/qat_uclo.c
+@@ -307,13 +307,18 @@ static int qat_uclo_create_batch_init_list(struct 
icp_qat_fw_loader_handle
+       }
+       return 0;
+ out_err:
++      /* Do not free the list head unless we allocated it. */
++      tail_old = tail_old->next;
++      if (flag) {
++              kfree(*init_tab_base);
++              *init_tab_base = NULL;
++      }
++
+       while (tail_old) {
+               mem_init = tail_old->next;
+               kfree(tail_old);
+               tail_old = mem_init;
+       }
+-      if (flag)
+-              kfree(*init_tab_base);
+       return -ENOMEM;
+ }
+ 
+diff --git a/drivers/edac/edac_device_sysfs.c 
b/drivers/edac/edac_device_sysfs.c
+index fb68a06ad6837..18991cfec2af4 100644
+--- a/drivers/edac/edac_device_sysfs.c
++++ b/drivers/edac/edac_device_sysfs.c
+@@ -280,6 +280,7 @@ int edac_device_register_sysfs_main_kobj(struct 
edac_device_ctl_info *edac_dev)
+ 
+       /* Error exit stack */
+ err_kobj_reg:
++      kobject_put(&edac_dev->kobj);
+       module_put(edac_dev->owner);
+ 
+ err_mod_get:
+diff --git a/drivers/edac/edac_pci_sysfs.c b/drivers/edac/edac_pci_sysfs.c
+index 24d877f6e5775..c56128402bc67 100644
+--- a/drivers/edac/edac_pci_sysfs.c
++++ b/drivers/edac/edac_pci_sysfs.c
+@@ -394,7 +394,7 @@ static int edac_pci_main_kobj_setup(void)
+ 
+       /* Error unwind statck */
+ kobject_init_and_add_fail:
+-      kfree(edac_pci_top_main_kobj);
++      kobject_put(edac_pci_top_main_kobj);
+ 
+ kzalloc_fail:
+       module_put(THIS_MODULE);
+diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
+index 5fe34a9df3e6b..179ad7c35ae33 100644
+--- a/drivers/gpio/gpiolib-of.c
++++ b/drivers/gpio/gpiolib-of.c
+@@ -91,7 +91,7 @@ struct gpio_desc *of_get_named_gpiod_flags(struct 
device_node *np,
+                                        &gg_data.gpiospec);
+       if (ret) {
+               pr_debug("%s: can't parse '%s' property of node '%s[%d]'\n",
+-                      __func__, propname, np->full_name, index);
++                      __func__, propname, np ? np->full_name : NULL, index);
+               return ERR_PTR(ret);
+       }
+ 
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+index e35e603710b4d..5bf98f0195fbd 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+@@ -428,9 +428,10 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void 
*data, struct drm_file
+               return n ? -EFAULT : 0;
+       }
+       case AMDGPU_INFO_DEV_INFO: {
+-              struct drm_amdgpu_info_device dev_info = {};
++              struct drm_amdgpu_info_device dev_info;
+               struct amdgpu_cu_info cu_info;
+ 
++              memset(&dev_info, 0, sizeof(dev_info));
+               dev_info.device_id = dev->pdev->device;
+               dev_info.chip_rev = adev->rev_id;
+               dev_info.external_rev = adev->external_rev_id;
+diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
+index 3bcf8e6a85b35..5b0fdcd0b63fd 100644
+--- a/drivers/gpu/drm/drm_debugfs.c
++++ b/drivers/gpu/drm/drm_debugfs.c
+@@ -290,13 +290,13 @@ static ssize_t connector_write(struct file *file, const 
char __user *ubuf,
+ 
+       buf[len] = '\0';
+ 
+-      if (!strcmp(buf, "on"))
++      if (sysfs_streq(buf, "on"))
+               connector->force = DRM_FORCE_ON;
+-      else if (!strcmp(buf, "digital"))
++      else if (sysfs_streq(buf, "digital"))
+               connector->force = DRM_FORCE_ON_DIGITAL;
+-      else if (!strcmp(buf, "off"))
++      else if (sysfs_streq(buf, "off"))
+               connector->force = DRM_FORCE_OFF;
+-      else if (!strcmp(buf, "unspecified"))
++      else if (sysfs_streq(buf, "unspecified"))
+               connector->force = DRM_FORCE_UNSPECIFIED;
+       else
+               return -EINVAL;
+diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
+index 9147113139beb..67d5ead98a363 100644
+--- a/drivers/gpu/drm/drm_gem.c
++++ b/drivers/gpu/drm/drm_gem.c
+@@ -652,9 +652,6 @@ err:
+  * @file_priv: drm file-private structure
+  *
+  * Open an object using the global name, returning a handle and the size.
+- *
+- * This handle (of course) holds a reference to the object, so the object
+- * will not go away until the handle is deleted.
+  */
+ int
+ drm_gem_open_ioctl(struct drm_device *dev, void *data,
+@@ -679,14 +676,15 @@ drm_gem_open_ioctl(struct drm_device *dev, void *data,
+ 
+       /* drm_gem_handle_create_tail unlocks dev->object_name_lock. */
+       ret = drm_gem_handle_create_tail(file_priv, obj, &handle);
+-      drm_gem_object_unreference_unlocked(obj);
+       if (ret)
+-              return ret;
++              goto err;
+ 
+       args->handle = handle;
+       args->size = obj->size;
+ 
+-      return 0;
++err:
++      drm_gem_object_unreference_unlocked(obj);
++      return ret;
+ }
+ 
+ /**
+diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c 
b/drivers/gpu/drm/nouveau/nouveau_drm.c
+index 91a61d2cca889..a90840e391100 100644
+--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
++++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
+@@ -805,8 +805,10 @@ nouveau_drm_open(struct drm_device *dev, struct drm_file 
*fpriv)
+ 
+       /* need to bring up power immediately if opening device */
+       ret = pm_runtime_get_sync(dev->dev);
+-      if (ret < 0 && ret != -EACCES)
++      if (ret < 0 && ret != -EACCES) {
++              pm_runtime_put_autosuspend(dev->dev);
+               return ret;
++      }
+ 
+       get_task_comm(tmpname, current);
+       snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
+@@ -894,8 +896,10 @@ nouveau_drm_ioctl(struct file *file, unsigned int cmd, 
unsigned long arg)
+       long ret;
+ 
+       ret = pm_runtime_get_sync(dev->dev);
+-      if (ret < 0 && ret != -EACCES)
++      if (ret < 0 && ret != -EACCES) {
++              pm_runtime_put_autosuspend(dev->dev);
+               return ret;
++      }
+ 
+       switch (_IOC_NR(cmd) - DRM_COMMAND_BASE) {
+       case DRM_NOUVEAU_NVIF:
+diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c 
b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+index 343476d157266..edb3a23ded5d5 100644
+--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
++++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+@@ -566,6 +566,7 @@ fini:
+       drm_fb_helper_fini(&fbcon->helper);
+ free:
+       kfree(fbcon);
++      drm->fbcon = NULL;
+       return ret;
+ }
+ 
+diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c 
b/drivers/gpu/drm/nouveau/nouveau_gem.c
+index ae560f5977fca..e5db2a385cb65 100644
+--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
++++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
+@@ -42,8 +42,10 @@ nouveau_gem_object_del(struct drm_gem_object *gem)
+       int ret;
+ 
+       ret = pm_runtime_get_sync(dev);
+-      if (WARN_ON(ret < 0 && ret != -EACCES))
++      if (WARN_ON(ret < 0 && ret != -EACCES)) {
++              pm_runtime_put_autosuspend(dev);
+               return;
++      }
+ 
+       if (gem->import_attach)
+               drm_prime_gem_destroy(gem, nvbo->bo.sg);
+diff --git a/drivers/gpu/drm/panel/panel-simple.c 
b/drivers/gpu/drm/panel/panel-simple.c
+index ecad4d7c6cd17..64b23bdebd1d1 100644
+--- a/drivers/gpu/drm/panel/panel-simple.c
++++ b/drivers/gpu/drm/panel/panel-simple.c
+@@ -920,7 +920,7 @@ static const struct drm_display_mode lg_lb070wv8_mode = {
+ static const struct panel_desc lg_lb070wv8 = {
+       .modes = &lg_lb070wv8_mode,
+       .num_modes = 1,
+-      .bpc = 16,
++      .bpc = 8,
+       .size = {
+               .width = 151,
+               .height = 91,
+diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
+index e7a245d7bdbcb..8e1bf9ed8efff 100644
+--- a/drivers/gpu/drm/radeon/ci_dpm.c
++++ b/drivers/gpu/drm/radeon/ci_dpm.c
+@@ -4345,7 +4345,7 @@ static int ci_set_mc_special_registers(struct 
radeon_device *rdev,
+                                       table->mc_reg_table_entry[k].mc_data[j] 
|= 0x100;
+                       }
+                       j++;
+-                      if (j > SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE)
++                      if (j >= SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE)
+                               return -EINVAL;
+ 
+                       if (!pi->mem_gddr5) {
+diff --git a/drivers/gpu/drm/radeon/radeon_display.c 
b/drivers/gpu/drm/radeon/radeon_display.c
+index 4572bfba017c5..17c73b8c90e71 100644
+--- a/drivers/gpu/drm/radeon/radeon_display.c
++++ b/drivers/gpu/drm/radeon/radeon_display.c
+@@ -660,8 +660,10 @@ radeon_crtc_set_config(struct drm_mode_set *set)
+       dev = set->crtc->dev;
+ 
+       ret = pm_runtime_get_sync(dev->dev);
+-      if (ret < 0)
++      if (ret < 0) {
++              pm_runtime_put_autosuspend(dev->dev);
+               return ret;
++      }
+ 
+       ret = drm_crtc_helper_set_config(set);
+ 
+diff --git a/drivers/gpu/drm/radeon/radeon_drv.c 
b/drivers/gpu/drm/radeon/radeon_drv.c
+index 5b6a6f5b3619e..401403a3ea50c 100644
+--- a/drivers/gpu/drm/radeon/radeon_drv.c
++++ b/drivers/gpu/drm/radeon/radeon_drv.c
+@@ -527,8 +527,10 @@ long radeon_drm_ioctl(struct file *filp,
+       long ret;
+       dev = file_priv->minor->dev;
+       ret = pm_runtime_get_sync(dev->dev);
+-      if (ret < 0)
++      if (ret < 0) {
++              pm_runtime_put_autosuspend(dev->dev);
+               return ret;
++      }
+ 
+       ret = drm_ioctl(filp, cmd, arg);
+       
+diff --git a/drivers/gpu/drm/radeon/radeon_kms.c 
b/drivers/gpu/drm/radeon/radeon_kms.c
+index d290a8a09036e..41caf7da90548 100644
+--- a/drivers/gpu/drm/radeon/radeon_kms.c
++++ b/drivers/gpu/drm/radeon/radeon_kms.c
+@@ -631,8 +631,10 @@ int radeon_driver_open_kms(struct drm_device *dev, struct 
drm_file *file_priv)
+       file_priv->driver_priv = NULL;
+ 
+       r = pm_runtime_get_sync(dev->dev);
+-      if (r < 0)
++      if (r < 0) {
++              pm_runtime_put_autosuspend(dev->dev);
+               return r;
++      }
+ 
+       /* new gpu have virtual address space support */
+       if (rdev->family >= CHIP_CAYMAN) {
+diff --git a/drivers/gpu/drm/tilcdc/tilcdc_panel.c 
b/drivers/gpu/drm/tilcdc/tilcdc_panel.c
+index 0af8bed7ce1ee..08d8f608be632 100644
+--- a/drivers/gpu/drm/tilcdc/tilcdc_panel.c
++++ b/drivers/gpu/drm/tilcdc/tilcdc_panel.c
+@@ -177,12 +177,16 @@ static int panel_connector_get_modes(struct 
drm_connector *connector)
+       int i;
+ 
+       for (i = 0; i < timings->num_timings; i++) {
+-              struct drm_display_mode *mode = drm_mode_create(dev);
++              struct drm_display_mode *mode;
+               struct videomode vm;
+ 
+               if (videomode_from_timings(timings, &vm, i))
+                       break;
+ 
++              mode = drm_mode_create(dev);
++              if (!mode)
++                      break;
++
+               drm_display_mode_from_videomode(&vm, mode);
+ 
+               mode->type = DRM_MODE_TYPE_DRIVER;
+diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c 
b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+index 9b97f70fbb3df..0b7427d474feb 100644
+--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
++++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+@@ -2086,7 +2086,7 @@ int vmw_kms_fbdev_init_data(struct vmw_private *dev_priv,
+               ++i;
+       }
+ 
+-      if (i != unit) {
++      if (&con->head == &dev_priv->dev->mode_config.connector_list) {
+               DRM_ERROR("Could not find initial display unit.\n");
+               return -EINVAL;
+       }
+@@ -2108,13 +2108,13 @@ int vmw_kms_fbdev_init_data(struct vmw_private 
*dev_priv,
+                       break;
+       }
+ 
+-      if (mode->type & DRM_MODE_TYPE_PREFERRED)
+-              *p_mode = mode;
+-      else {
++      if (&mode->head == &con->modes) {
+               WARN_ONCE(true, "Could not find initial preferred mode.\n");
+               *p_mode = list_first_entry(&con->modes,
+                                          struct drm_display_mode,
+                                          head);
++      } else {
++              *p_mode = mode;
+       }
+ 
+       return 0;
+diff --git a/drivers/i2c/busses/i2c-cadence.c 
b/drivers/i2c/busses/i2c-cadence.c
+index 6d32e6da3110d..84deed6571bdf 100644
+--- a/drivers/i2c/busses/i2c-cadence.c
++++ b/drivers/i2c/busses/i2c-cadence.c
+@@ -378,10 +378,8 @@ static void cdns_i2c_mrecv(struct cdns_i2c *id)
+        * Check for the message size against FIFO depth and set the
+        * 'hold bus' bit if it is greater than FIFO depth.
+        */
+-      if ((id->recv_count > CDNS_I2C_FIFO_DEPTH)  || id->bus_hold_flag)
++      if (id->recv_count > CDNS_I2C_FIFO_DEPTH)
+               ctrl_reg |= CDNS_I2C_CR_HOLD;
+-      else
+-              ctrl_reg = ctrl_reg & ~CDNS_I2C_CR_HOLD;
+ 
+       cdns_i2c_writereg(ctrl_reg, CDNS_I2C_CR_OFFSET);
+ 
+@@ -438,11 +436,8 @@ static void cdns_i2c_msend(struct cdns_i2c *id)
+        * Check for the message size against FIFO depth and set the
+        * 'hold bus' bit if it is greater than FIFO depth.
+        */
+-      if ((id->send_count > CDNS_I2C_FIFO_DEPTH) || id->bus_hold_flag)
++      if (id->send_count > CDNS_I2C_FIFO_DEPTH)
+               ctrl_reg |= CDNS_I2C_CR_HOLD;
+-      else
+-              ctrl_reg = ctrl_reg & ~CDNS_I2C_CR_HOLD;
+-
+       cdns_i2c_writereg(ctrl_reg, CDNS_I2C_CR_OFFSET);
+ 
+       /* Clear the interrupts in interrupt status register. */
+diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
+index dfe1a53ce4ad3..ddfb08a3e6c20 100644
+--- a/drivers/i2c/busses/i2c-rcar.c
++++ b/drivers/i2c/busses/i2c-rcar.c
+@@ -386,13 +386,14 @@ static bool rcar_i2c_slave_irq(struct rcar_i2c_priv 
*priv)
+                       rcar_i2c_write(priv, ICSIER, SDR | SSR | SAR);
+               }
+ 
+-              rcar_i2c_write(priv, ICSSR, ~SAR & 0xff);
++              /* Clear SSR, too, because of old STOPs to other clients than 
us */
++              rcar_i2c_write(priv, ICSSR, ~(SAR | SSR) & 0xff);
+       }
+ 
+       /* master sent stop */
+       if (ssr_filtered & SSR) {
+               i2c_slave_event(priv->slave, I2C_SLAVE_STOP, &value);
+-              rcar_i2c_write(priv, ICSIER, SAR | SSR);
++              rcar_i2c_write(priv, ICSIER, SAR);
+               rcar_i2c_write(priv, ICSSR, ~SSR & 0xff);
+       }
+ 
+@@ -541,7 +542,7 @@ static int rcar_reg_slave(struct i2c_client *slave)
+       priv->slave = slave;
+       rcar_i2c_write(priv, ICSAR, slave->addr);
+       rcar_i2c_write(priv, ICSSR, 0);
+-      rcar_i2c_write(priv, ICSIER, SAR | SSR);
++      rcar_i2c_write(priv, ICSIER, SAR);
+       rcar_i2c_write(priv, ICSCR, SIE | SDBS);
+ 
+       return 0;
+diff --git a/drivers/input/mouse/sentelic.c b/drivers/input/mouse/sentelic.c
+index 11c32ac8234b2..779d0b9341c0d 100644
+--- a/drivers/input/mouse/sentelic.c
++++ b/drivers/input/mouse/sentelic.c
+@@ -454,7 +454,7 @@ static ssize_t fsp_attr_set_setreg(struct psmouse 
*psmouse, void *data,
+ 
+       fsp_reg_write_enable(psmouse, false);
+ 
+-      return count;
++      return retval;
+ }
+ 
+ PSMOUSE_DEFINE_WO_ATTR(setreg, S_IWUSR, NULL, fsp_attr_set_setreg);
+diff --git a/drivers/iommu/omap-iommu-debug.c 
b/drivers/iommu/omap-iommu-debug.c
+index 9bc20e2119a35..82bf208295f4b 100644
+--- a/drivers/iommu/omap-iommu-debug.c
++++ b/drivers/iommu/omap-iommu-debug.c
+@@ -101,8 +101,11 @@ static ssize_t debug_read_regs(struct file *file, char 
__user *userbuf,
+       mutex_lock(&iommu_debug_lock);
+ 
+       bytes = omap_iommu_dump_ctx(obj, p, count);
++      if (bytes < 0)
++              goto err;
+       bytes = simple_read_from_buffer(userbuf, count, ppos, buf, bytes);
+ 
++err:
+       mutex_unlock(&iommu_debug_lock);
+       kfree(buf);
+ 
+diff --git a/drivers/leds/leds-lm355x.c b/drivers/leds/leds-lm355x.c
+index 48872997d6b4b..533b255c27cd6 100644
+--- a/drivers/leds/leds-lm355x.c
++++ b/drivers/leds/leds-lm355x.c
+@@ -177,18 +177,19 @@ static int lm355x_chip_init(struct lm355x_chip_data 
*chip)
+       /* input and output pins configuration */
+       switch (chip->type) {
+       case CHIP_LM3554:
+-              reg_val = pdata->pin_tx2 | pdata->ntc_pin;
++              reg_val = (u32)pdata->pin_tx2 | (u32)pdata->ntc_pin;
+               ret = regmap_update_bits(chip->regmap, 0xE0, 0x28, reg_val);
+               if (ret < 0)
+                       goto out;
+-              reg_val = pdata->pass_mode;
++              reg_val = (u32)pdata->pass_mode;
+               ret = regmap_update_bits(chip->regmap, 0xA0, 0x04, reg_val);
+               if (ret < 0)
+                       goto out;
+               break;
+ 
+       case CHIP_LM3556:
+-              reg_val = pdata->pin_tx2 | pdata->ntc_pin | pdata->pass_mode;
++              reg_val = (u32)pdata->pin_tx2 | (u32)pdata->ntc_pin |
++                        (u32)pdata->pass_mode;
+               ret = regmap_update_bits(chip->regmap, 0x0A, 0xC4, reg_val);
+               if (ret < 0)
+                       goto out;
+diff --git a/drivers/md/bcache/bset.c b/drivers/md/bcache/bset.c
+index 158eae17031c4..1440436214291 100644
+--- a/drivers/md/bcache/bset.c
++++ b/drivers/md/bcache/bset.c
+@@ -317,7 +317,7 @@ int bch_btree_keys_alloc(struct btree_keys *b, unsigned 
page_order, gfp_t gfp)
+ 
+       b->page_order = page_order;
+ 
+-      t->data = (void *) __get_free_pages(gfp, b->page_order);
++      t->data = (void *) __get_free_pages(__GFP_COMP|gfp, b->page_order);
+       if (!t->data)
+               goto err;
+ 
+diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
+index 634e9284b7bee..122d975220945 100644
+--- a/drivers/md/bcache/btree.c
++++ b/drivers/md/bcache/btree.c
+@@ -795,7 +795,7 @@ int bch_btree_cache_alloc(struct cache_set *c)
+       mutex_init(&c->verify_lock);
+ 
+       c->verify_ondisk = (void *)
+-              __get_free_pages(GFP_KERNEL, ilog2(bucket_pages(c)));
++              __get_free_pages(GFP_KERNEL|__GFP_COMP, ilog2(bucket_pages(c)));
+ 
+       c->verify_data = mca_bucket_alloc(c, &ZERO_KEY, GFP_KERNEL);
+ 
+diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c
+index 6f9db98f2dfd7..1d798938e9dfd 100644
+--- a/drivers/md/bcache/journal.c
++++ b/drivers/md/bcache/journal.c
+@@ -838,8 +838,8 @@ int bch_journal_alloc(struct cache_set *c)
+       j->w[1].c = c;
+ 
+       if (!(init_fifo(&j->pin, JOURNAL_PIN, GFP_KERNEL)) ||
+-          !(j->w[0].data = (void *) __get_free_pages(GFP_KERNEL, JSET_BITS)) 
||
+-          !(j->w[1].data = (void *) __get_free_pages(GFP_KERNEL, JSET_BITS)))
++          !(j->w[0].data = (void *) __get_free_pages(GFP_KERNEL|__GFP_COMP, 
JSET_BITS)) ||
++          !(j->w[1].data = (void *) __get_free_pages(GFP_KERNEL|__GFP_COMP, 
JSET_BITS)))
+               return -ENOMEM;
+ 
+       return 0;
+diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
+index df8f1e69077f6..f7f8fb079d2a9 100644
+--- a/drivers/md/bcache/super.c
++++ b/drivers/md/bcache/super.c
+@@ -1469,7 +1469,7 @@ void bch_cache_set_unregister(struct cache_set *c)
+ }
+ 
+ #define alloc_bucket_pages(gfp, c)                    \
+-      ((void *) __get_free_pages(__GFP_ZERO|gfp, ilog2(bucket_pages(c))))
++      ((void *) __get_free_pages(__GFP_ZERO|__GFP_COMP|gfp, 
ilog2(bucket_pages(c))))
+ 
+ struct cache_set *bch_cache_set_alloc(struct cache_sb *sb)
+ {
+@@ -1778,7 +1778,14 @@ found:
+           sysfs_create_link(&c->kobj, &ca->kobj, buf))
+               goto err;
+ 
+-      if (ca->sb.seq > c->sb.seq) {
++      /*
++       * A special case is both ca->sb.seq and c->sb.seq are 0,
++       * such condition happens on a new created cache device whose
++       * super block is never flushed yet. In this case c->sb.version
++       * and other members should be updated too, otherwise we will
++       * have a mistaken super block version in cache set.
++       */
++      if (ca->sb.seq > c->sb.seq || c->sb.seq == 0) {
+               c->sb.version           = ca->sb.version;
+               memcpy(c->sb.set_uuid, ca->sb.set_uuid, 16);
+               c->sb.flags             = ca->sb.flags;
+diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
+index f061c81e15e1e..99cd843351c2b 100644
+--- a/drivers/md/raid5.c
++++ b/drivers/md/raid5.c
+@@ -3345,6 +3345,7 @@ static int need_this_block(struct stripe_head *sh, 
struct stripe_head_state *s,
+        * is missing/faulty, then we need to read everything we can.
+        */
+       if (sh->raid_conf->level != 6 &&
++          sh->raid_conf->rmw_level != PARITY_DISABLE_RMW &&
+           sh->sector < sh->raid_conf->mddev->recovery_cp)
+               /* reconstruct-write isn't being forced */
+               return 0;
+@@ -4479,7 +4480,7 @@ static void handle_stripe(struct stripe_head *sh)
+        * or to load a block that is being partially written.
+        */
+       if (s.to_read || s.non_overwrite
+-          || (conf->level == 6 && s.to_write && s.failed)
++          || (s.to_write && s.failed)
+           || (s.syncing && (s.uptodate + s.compute < disks))
+           || s.replacing
+           || s.expanding)
+diff --git a/drivers/media/firewire/firedtv-fw.c 
b/drivers/media/firewire/firedtv-fw.c
+index 247f0e7cb5f7f..5d634706a7eaa 100644
+--- a/drivers/media/firewire/firedtv-fw.c
++++ b/drivers/media/firewire/firedtv-fw.c
+@@ -271,6 +271,8 @@ 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;
+       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/cx23885/cx23888-ir.c 
b/drivers/media/pci/cx23885/cx23888-ir.c
+index c1aa888af7054..83864a99d3a66 100644
+--- a/drivers/media/pci/cx23885/cx23888-ir.c
++++ b/drivers/media/pci/cx23885/cx23888-ir.c
+@@ -1179,8 +1179,11 @@ int cx23888_ir_probe(struct cx23885_dev *dev)
+               return -ENOMEM;
+ 
+       spin_lock_init(&state->rx_kfifo_lock);
+-      if (kfifo_alloc(&state->rx_kfifo, CX23888_IR_RX_KFIFO_SIZE, GFP_KERNEL))
++      if (kfifo_alloc(&state->rx_kfifo, CX23888_IR_RX_KFIFO_SIZE,
++                      GFP_KERNEL)) {
++              kfree(state);
+               return -ENOMEM;
++      }
+ 
+       state->dev = dev;
+       sd = &state->sd;
+diff --git a/drivers/media/platform/exynos4-is/media-dev.c 
b/drivers/media/platform/exynos4-is/media-dev.c
+index 4f5586a4cbffa..31cc7d94064e3 100644
+--- a/drivers/media/platform/exynos4-is/media-dev.c
++++ b/drivers/media/platform/exynos4-is/media-dev.c
+@@ -1172,6 +1172,9 @@ static int fimc_md_get_pinctrl(struct fimc_md *fmd)
+ 
+       pctl->state_idle = pinctrl_lookup_state(pctl->pinctrl,
+                                       PINCTRL_STATE_IDLE);
++      if (IS_ERR(pctl->state_idle))
++              return PTR_ERR(pctl->state_idle);
++
+       return 0;
+ }
+ 
+diff --git a/drivers/media/platform/omap3isp/isppreview.c 
b/drivers/media/platform/omap3isp/isppreview.c
+index c9e8845de1b1d..c3336a2cbe145 100644
+--- a/drivers/media/platform/omap3isp/isppreview.c
++++ b/drivers/media/platform/omap3isp/isppreview.c
+@@ -2285,7 +2285,7 @@ static int preview_init_entities(struct isp_prev_device 
*prev)
+       me->ops = &preview_media_ops;
+       ret = media_entity_init(me, PREV_PADS_NUM, pads, 0);
+       if (ret < 0)
+-              return ret;
++              goto error_handler_free;
+ 
+       preview_init_formats(sd, NULL);
+ 
+@@ -2331,6 +2331,8 @@ error_video_out:
+       omap3isp_video_cleanup(&prev->video_in);
+ error_video_in:
+       media_entity_cleanup(&prev->subdev.entity);
++error_handler_free:
++      v4l2_ctrl_handler_free(&prev->ctrls);
+       return ret;
+ }
+ 
+diff --git a/drivers/mfd/dln2.c b/drivers/mfd/dln2.c
+index 672831d5ee32e..97a69cd6f1278 100644
+--- a/drivers/mfd/dln2.c
++++ b/drivers/mfd/dln2.c
+@@ -294,7 +294,11 @@ static void dln2_rx(struct urb *urb)
+       len = urb->actual_length - sizeof(struct dln2_header);
+ 
+       if (handle == DLN2_HANDLE_EVENT) {
++              unsigned long flags;
++
++              spin_lock_irqsave(&dln2->event_cb_lock, flags);
+               dln2_run_event_callbacks(dln2, id, echo, data, len);
++              spin_unlock_irqrestore(&dln2->event_cb_lock, flags);
+       } else {
+               /* URB will be re-submitted in _dln2_transfer (free_rx_slot) */
+               if (dln2_transfer_complete(dln2, urb, handle, echo))
+diff --git a/drivers/misc/cxl/sysfs.c b/drivers/misc/cxl/sysfs.c
+index 02006f7109a80..ce292d7766db2 100644
+--- a/drivers/misc/cxl/sysfs.c
++++ b/drivers/misc/cxl/sysfs.c
+@@ -539,7 +539,7 @@ static struct afu_config_record 
*cxl_sysfs_afu_new_cr(struct cxl_afu *afu, int c
+       rc = kobject_init_and_add(&cr->kobj, &afu_config_record_type,
+                                 &afu->dev.kobj, "cr%i", cr->cr);
+       if (rc)
+-              goto err;
++              goto err1;
+ 
+       rc = sysfs_create_bin_file(&cr->kobj, &cr->config_attr);
+       if (rc)
+@@ -555,9 +555,6 @@ err2:
+ err1:
+       kobject_put(&cr->kobj);
+       return ERR_PTR(rc);
+-err:
+-      kfree(cr);
+-      return ERR_PTR(rc);
+ }
+ 
+ void cxl_sysfs_afu_remove(struct cxl_afu *afu)
+diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
+index 0d244dac1ccb3..ce87d9506f6a4 100644
+--- a/drivers/mtd/mtdchar.c
++++ b/drivers/mtd/mtdchar.c
+@@ -372,9 +372,6 @@ static int mtdchar_writeoob(struct file *file, struct 
mtd_info *mtd,
+       uint32_t retlen;
+       int ret = 0;
+ 
+-      if (!(file->f_mode & FMODE_WRITE))
+-              return -EPERM;
+-
+       if (length > 4096)
+               return -EINVAL;
+ 
+@@ -608,6 +605,48 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, 
u_long arg)
+                       return -EFAULT;
+       }
+ 
++      /*
++       * Check the file mode to require "dangerous" commands to have write
++       * permissions.
++       */
++      switch (cmd) {
++      /* "safe" commands */
++      case MEMGETREGIONCOUNT:
++      case MEMGETREGIONINFO:
++      case MEMGETINFO:
++      case MEMREADOOB:
++      case MEMREADOOB64:
++      case MEMLOCK:
++      case MEMUNLOCK:
++      case MEMISLOCKED:
++      case MEMGETOOBSEL:
++      case MEMGETBADBLOCK:
++      case MEMSETBADBLOCK:
++      case OTPSELECT:
++      case OTPGETREGIONCOUNT:
++      case OTPGETREGIONINFO:
++      case OTPLOCK:
++      case ECCGETLAYOUT:
++      case ECCGETSTATS:
++      case MTDFILEMODE:
++      case BLKPG:
++      case BLKRRPART:
++              break;
++
++      /* "dangerous" commands */
++      case MEMERASE:
++      case MEMERASE64:
++      case MEMWRITEOOB:
++      case MEMWRITEOOB64:
++      case MEMWRITE:
++              if (!(file->f_mode & FMODE_WRITE))
++                      return -EPERM;
++              break;
++
++      default:
++              return -ENOTTY;
++      }
++
+       switch (cmd) {
+       case MEMGETREGIONCOUNT:
+               if (copy_to_user(argp, &(mtd->numeraseregions), sizeof(int)))
+@@ -655,9 +694,6 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, 
u_long arg)
+       {
+               struct erase_info *erase;
+ 
+-              if(!(file->f_mode & FMODE_WRITE))
+-                      return -EPERM;
+-
+               erase=kzalloc(sizeof(struct erase_info),GFP_KERNEL);
+               if (!erase)
+                       ret = -ENOMEM;
+@@ -982,9 +1018,6 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, 
u_long arg)
+               ret = 0;
+               break;
+       }
+-
+-      default:
+-              ret = -ENOTTY;
+       }
+ 
+       return ret;
+@@ -1028,6 +1061,11 @@ static long mtdchar_compat_ioctl(struct file *file, 
unsigned int cmd,
+               struct mtd_oob_buf32 buf;
+               struct mtd_oob_buf32 __user *buf_user = argp;
+ 
++              if (!(file->f_mode & FMODE_WRITE)) {
++                      ret = -EPERM;
++                      break;
++              }
++
+               if (copy_from_user(&buf, argp, sizeof(buf)))
+                       ret = -EFAULT;
+               else
+diff --git a/drivers/net/ethernet/intel/igb/igb_main.c 
b/drivers/net/ethernet/intel/igb/igb_main.c
+index 426abfce1c3ff..a4aa4d10ca700 100644
+--- a/drivers/net/ethernet/intel/igb/igb_main.c
++++ b/drivers/net/ethernet/intel/igb/igb_main.c
+@@ -5137,9 +5137,18 @@ static void igb_reset_task(struct work_struct *work)
+       struct igb_adapter *adapter;
+       adapter = container_of(work, struct igb_adapter, reset_task);
+ 
++      rtnl_lock();
++      /* If we're already down or resetting, just bail */
++      if (test_bit(__IGB_DOWN, &adapter->state) ||
++          test_bit(__IGB_RESETTING, &adapter->state)) {
++              rtnl_unlock();
++              return;
++      }
++
+       igb_dump(adapter);
+       netdev_err(adapter->netdev, "Reset adapter\n");
+       igb_reinit_locked(adapter);
++      rtnl_unlock();
+ }
+ 
+ /**
+diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c 
b/drivers/net/ethernet/mellanox/mlxsw/core.c
+index 97f0d93caf994..085aaad902937 100644
+--- a/drivers/net/ethernet/mellanox/mlxsw/core.c
++++ b/drivers/net/ethernet/mellanox/mlxsw/core.c
+@@ -1208,9 +1208,10 @@ void mlxsw_core_skb_receive(struct mlxsw_core 
*mlxsw_core, struct sk_buff *skb,
+                       break;
+               }
+       }
+-      rcu_read_unlock();
+-      if (!found)
++      if (!found) {
++              rcu_read_unlock();
+               goto drop;
++      }
+ 
+       pcpu_stats = this_cpu_ptr(mlxsw_core->pcpu_stats);
+       u64_stats_update_begin(&pcpu_stats->syncp);
+@@ -1221,6 +1222,7 @@ void mlxsw_core_skb_receive(struct mlxsw_core 
*mlxsw_core, struct sk_buff *skb,
+       u64_stats_update_end(&pcpu_stats->syncp);
+ 
+       rxl->func(skb, local_port, rxl_item->priv);
++      rcu_read_unlock();
+       return;
+ 
+ drop:
+diff --git a/drivers/net/ethernet/renesas/ravb_main.c 
b/drivers/net/ethernet/renesas/ravb_main.c
+index 5b6320f9c935f..460b29ac5fd86 100644
+--- a/drivers/net/ethernet/renesas/ravb_main.c
++++ b/drivers/net/ethernet/renesas/ravb_main.c
+@@ -1291,6 +1291,7 @@ static void ravb_tx_timeout_work(struct work_struct 
*work)
+       struct ravb_private *priv = container_of(work, struct ravb_private,
+                                                work);
+       struct net_device *ndev = priv->ndev;
++      int error;
+ 
+       netif_tx_stop_all_queues(ndev);
+ 
+@@ -1298,15 +1299,36 @@ static void ravb_tx_timeout_work(struct work_struct 
*work)
+       ravb_ptp_stop(ndev);
+ 
+       /* Wait for DMA stopping */
+-      ravb_stop_dma(ndev);
++      if (ravb_stop_dma(ndev)) {
++              /* If ravb_stop_dma() fails, the hardware is still operating
++               * for TX and/or RX. So, this should not call the following
++               * functions because ravb_dmac_init() is possible to fail too.
++               * Also, this should not retry ravb_stop_dma() again and again
++               * here because it's possible to wait forever. So, this just
++               * re-enables the TX and RX and skip the following
++               * re-initialization procedure.
++               */
++              ravb_rcv_snd_enable(ndev);
++              goto out;
++      }
+ 
+       ravb_ring_free(ndev, RAVB_BE);
+       ravb_ring_free(ndev, RAVB_NC);
+ 
+       /* Device init */
+-      ravb_dmac_init(ndev);
++      error = ravb_dmac_init(ndev);
++      if (error) {
++              /* If ravb_dmac_init() fails, descriptors are freed. So, this
++               * should return here to avoid re-enabling the TX and RX in
++               * ravb_emac_init().
++               */
++              netdev_err(ndev, "%s: ravb_dmac_init() failed, error %d\n",
++                         __func__, error);
++              return;
++      }
+       ravb_emac_init(ndev);
+ 
++out:
+       /* Initialise PTP Clock driver */
+       ravb_ptp_init(ndev, priv->pdev);
+ 
+diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c 
b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
+index 15aabffd21a8b..ee5a7c05a0e67 100644
+--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
++++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
+@@ -360,6 +360,7 @@ static int ipq806x_gmac_probe(struct platform_device *pdev)
+       plat_dat->has_gmac = true;
+       plat_dat->bsp_priv = gmac;
+       plat_dat->fix_mac_speed = ipq806x_gmac_fix_mac_speed;
++      plat_dat->multicast_filter_bins = 0;
+ 
+       return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
+ }
+diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c 
b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
+index b535f6c378386..ac08031c481fa 100644
+--- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
++++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
+@@ -146,6 +146,9 @@ static void dwmac1000_set_filter(struct mac_device_info 
*hw,
+               value = GMAC_FRAME_FILTER_PR;
+       } else if (dev->flags & IFF_ALLMULTI) {
+               value = GMAC_FRAME_FILTER_PM;   /* pass all multi */
++      } else if (!netdev_mc_empty(dev) && (mcbitslog2 == 0)) {
++              /* Fall back to all multicast if we've no filter */
++              value = GMAC_FRAME_FILTER_PM;
+       } else if (!netdev_mc_empty(dev)) {
+               struct netdev_hw_addr *ha;
+ 
+diff --git a/drivers/net/ethernet/toshiba/spider_net.c 
b/drivers/net/ethernet/toshiba/spider_net.c
+index 8e53211aedd82..53600e28d93b7 100644
+--- a/drivers/net/ethernet/toshiba/spider_net.c
++++ b/drivers/net/ethernet/toshiba/spider_net.c
+@@ -297,8 +297,8 @@ spider_net_free_chain(struct spider_net_card *card,
+               descr = descr->next;
+       } while (descr != chain->ring);
+ 
+-      dma_free_coherent(&card->pdev->dev, chain->num_desc,
+-          chain->hwring, chain->dma_addr);
++      dma_free_coherent(&card->pdev->dev, chain->num_desc * sizeof(struct 
spider_net_hw_descr),
++                        chain->hwring, chain->dma_addr);
+ }
+ 
+ /**
+diff --git a/drivers/net/phy/mdio-bcm-unimac.c 
b/drivers/net/phy/mdio-bcm-unimac.c
+index 4bde5e728fe0a..fd8692b477c96 100644
+--- a/drivers/net/phy/mdio-bcm-unimac.c
++++ b/drivers/net/phy/mdio-bcm-unimac.c
+@@ -177,6 +177,8 @@ static int unimac_mdio_probe(struct platform_device *pdev)
+               return -ENOMEM;
+ 
+       r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++      if (!r)
++              return -EINVAL;
+ 
+       /* Just ioremap, as this MDIO block is usually integrated into an
+        * Ethernet MAC controller register range
+diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
+index cbbff16d438f5..efd4bf06f6ada 100644
+--- a/drivers/net/usb/hso.c
++++ b/drivers/net/usb/hso.c
+@@ -2280,12 +2280,14 @@ static int hso_serial_common_create(struct hso_serial 
*serial, int num_urbs,
+ 
+       minor = get_free_serial_index();
+       if (minor < 0)
+-              goto exit;
++              goto exit2;
+ 
+       /* register our minor number */
+       serial->parent->dev = tty_port_register_device_attr(&serial->port,
+                       tty_drv, minor, &serial->parent->interface->dev,
+                       serial->parent, hso_serial_dev_groups);
++      if (IS_ERR(serial->parent->dev))
++              goto exit2;
+       dev = serial->parent->dev;
+ 
+       /* fill in specific data for later use */
+@@ -2335,6 +2337,7 @@ static int hso_serial_common_create(struct hso_serial 
*serial, int num_urbs,
+       return 0;
+ exit:
+       hso_serial_tty_unregister(serial);
++exit2:
+       hso_serial_common_free(serial);
+       return -1;
+ }
+diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
+index 75a3865a80d23..1439863e9061d 100644
+--- a/drivers/net/usb/lan78xx.c
++++ b/drivers/net/usb/lan78xx.c
+@@ -251,10 +251,6 @@ struct lan78xx_net {
+       struct tasklet_struct   bh;
+       struct delayed_work     wq;
+ 
+-      struct usb_host_endpoint *ep_blkin;
+-      struct usb_host_endpoint *ep_blkout;
+-      struct usb_host_endpoint *ep_intr;
+-
+       int                     msg_enable;
+ 
+       struct urb              *urb_intr;
+@@ -2180,77 +2176,12 @@ netdev_tx_t lan78xx_start_xmit(struct sk_buff *skb, 
struct net_device *net)
+       return NETDEV_TX_OK;
+ }
+ 
+-int lan78xx_get_endpoints(struct lan78xx_net *dev, struct usb_interface *intf)
+-{
+-      int tmp;
+-      struct usb_host_interface *alt = NULL;
+-      struct usb_host_endpoint *in = NULL, *out = NULL;
+-      struct usb_host_endpoint *status = NULL;
+-
+-      for (tmp = 0; tmp < intf->num_altsetting; tmp++) {
+-              unsigned ep;
+-
+-              in = NULL;
+-              out = NULL;
+-              status = NULL;
+-              alt = intf->altsetting + tmp;
+-
+-              for (ep = 0; ep < alt->desc.bNumEndpoints; ep++) {
+-                      struct usb_host_endpoint *e;
+-                      int intr = 0;
+-
+-                      e = alt->endpoint + ep;
+-                      switch (e->desc.bmAttributes) {
+-                      case USB_ENDPOINT_XFER_INT:
+-                              if (!usb_endpoint_dir_in(&e->desc))
+-                                      continue;
+-                              intr = 1;
+-                              /* FALLTHROUGH */
+-                      case USB_ENDPOINT_XFER_BULK:
+-                              break;
+-                      default:
+-                              continue;
+-                      }
+-                      if (usb_endpoint_dir_in(&e->desc)) {
+-                              if (!intr && !in)
+-                                      in = e;
+-                              else if (intr && !status)
+-                                      status = e;
+-                      } else {
+-                              if (!out)
+-                                      out = e;
+-                      }
+-              }
+-              if (in && out)
+-                      break;
+-      }
+-      if (!alt || !in || !out)
+-              return -EINVAL;
+-
+-      dev->pipe_in = usb_rcvbulkpipe(dev->udev,
+-                                     in->desc.bEndpointAddress &
+-                                     USB_ENDPOINT_NUMBER_MASK);
+-      dev->pipe_out = usb_sndbulkpipe(dev->udev,
+-                                      out->desc.bEndpointAddress &
+-                                      USB_ENDPOINT_NUMBER_MASK);
+-      dev->ep_intr = status;
+-
+-      return 0;
+-}
+-
+ static int lan78xx_bind(struct lan78xx_net *dev, struct usb_interface *intf)
+ {
+       struct lan78xx_priv *pdata = NULL;
+       int ret;
+       int i;
+ 
+-      ret = lan78xx_get_endpoints(dev, intf);
+-      if (ret) {
+-              netdev_warn(dev->net, "lan78xx_get_endpoints failed: %d\n",
+-                          ret);
+-              return ret;
+-      }
+-
+       dev->data[0] = (unsigned long)kzalloc(sizeof(*pdata), GFP_KERNEL);
+ 
+       pdata = (struct lan78xx_priv *)(dev->data[0]);
+@@ -2926,6 +2857,7 @@ static const struct net_device_ops lan78xx_netdev_ops = {
+ static int lan78xx_probe(struct usb_interface *intf,
+                        const struct usb_device_id *id)
+ {
++      struct usb_host_endpoint *ep_blkin, *ep_blkout, *ep_intr;
+       struct lan78xx_net *dev;
+       struct net_device *netdev;
+       struct usb_device *udev;
+@@ -2969,6 +2901,34 @@ static int lan78xx_probe(struct usb_interface *intf,
+       netdev->watchdog_timeo = TX_TIMEOUT_JIFFIES;
+       netdev->ethtool_ops = &lan78xx_ethtool_ops;
+ 
++      if (intf->cur_altsetting->desc.bNumEndpoints < 3) {
++              ret = -ENODEV;
++              goto out2;
++      }
++
++      dev->pipe_in = usb_rcvbulkpipe(udev, BULK_IN_PIPE);
++      ep_blkin = usb_pipe_endpoint(udev, dev->pipe_in);
++      if (!ep_blkin || !usb_endpoint_is_bulk_in(&ep_blkin->desc)) {
++              ret = -ENODEV;
++              goto out2;
++      }
++
++      dev->pipe_out = usb_sndbulkpipe(udev, BULK_OUT_PIPE);
++      ep_blkout = usb_pipe_endpoint(udev, dev->pipe_out);
++      if (!ep_blkout || !usb_endpoint_is_bulk_out(&ep_blkout->desc)) {
++              ret = -ENODEV;
++              goto out2;
++      }
++
++      ep_intr = &intf->cur_altsetting->endpoint[2];
++      if (!usb_endpoint_is_int_in(&ep_intr->desc)) {
++              ret = -ENODEV;
++              goto out2;
++      }
++
++      dev->pipe_intr = usb_rcvintpipe(dev->udev,
++                                      usb_endpoint_num(&ep_intr->desc));
++
+       ret = lan78xx_bind(dev, intf);
+       if (ret < 0)
+               goto out2;
+@@ -2978,18 +2938,7 @@ static int lan78xx_probe(struct usb_interface *intf,
+               netdev->mtu = dev->hard_mtu - netdev->hard_header_len;
+       netif_set_gso_max_size(netdev, MAX_SINGLE_PACKET_SIZE - MAX_HEADER);
+ 
+-      dev->ep_blkin = (intf->cur_altsetting)->endpoint + 0;
+-      dev->ep_blkout = (intf->cur_altsetting)->endpoint + 1;
+-      dev->ep_intr = (intf->cur_altsetting)->endpoint + 2;
+-
+-      dev->pipe_in = usb_rcvbulkpipe(udev, BULK_IN_PIPE);
+-      dev->pipe_out = usb_sndbulkpipe(udev, BULK_OUT_PIPE);
+-
+-      dev->pipe_intr = usb_rcvintpipe(dev->udev,
+-                                      dev->ep_intr->desc.bEndpointAddress &
+-                                      USB_ENDPOINT_NUMBER_MASK);
+-      period = dev->ep_intr->desc.bInterval;
+-
++      period = ep_intr->desc.bInterval;
+       maxp = usb_maxpacket(dev->udev, dev->pipe_intr, 0);
+       buf = kmalloc(maxp, GFP_KERNEL);
+       if (buf) {
+@@ -3001,6 +2950,7 @@ static int lan78xx_probe(struct usb_interface *intf,
+                       usb_fill_int_urb(dev->urb_intr, dev->udev,
+                                        dev->pipe_intr, buf, maxp,
+                                        intr_complete, dev, period);
++                      dev->urb_intr->transfer_flags |= URB_FREE_BUFFER;
+               }
+       }
+ 
+diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
+index c12f2984d7eff..50ede6b8b874d 100644
+--- a/drivers/net/vxlan.c
++++ b/drivers/net/vxlan.c
+@@ -921,6 +921,7 @@ static int vxlan_fdb_dump(struct sk_buff *skb, struct 
netlink_callback *cb,
+               struct vxlan_fdb *f;
+               int err;
+ 
++              rcu_read_lock();
+               hlist_for_each_entry_rcu(f, &vxlan->fdb_head[h], hlist) {
+                       struct vxlan_rdst *rd;
+ 
+@@ -933,12 +934,15 @@ static int vxlan_fdb_dump(struct sk_buff *skb, struct 
netlink_callback *cb,
+                                                    cb->nlh->nlmsg_seq,
+                                                    RTM_NEWNEIGH,
+                                                    NLM_F_MULTI, rd);
+-                              if (err < 0)
++                              if (err < 0) {
++                                      rcu_read_unlock();
+                                       goto out;
++                              }
+ skip:
+                               ++idx;
+                       }
+               }
++              rcu_read_unlock();
+       }
+ out:
+       return idx;
+@@ -2070,7 +2074,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct 
net_device *dev,
+                       return;
+               }
+ 
+-              tos = ip_tunnel_ecn_encap(RT_TOS(tos), old_iph, skb);
++              tos = ip_tunnel_ecn_encap(tos, old_iph, skb);
+               ttl = ttl ? : ip4_dst_hoplimit(&rt->dst);
+               err = vxlan_xmit_skb(rt, sk, skb, fl4.saddr,
+                                    dst->sin.sin_addr.s_addr, tos, ttl, df,
+diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c
+index f5657783fad4e..6eb0f7a85e531 100644
+--- a/drivers/net/wan/lapbether.c
++++ b/drivers/net/wan/lapbether.c
+@@ -160,6 +160,12 @@ static netdev_tx_t lapbeth_xmit(struct sk_buff *skb,
+       if (!netif_running(dev))
+               goto drop;
+ 
++      /* There should be a pseudo header of 1 byte added by upper layers.
++       * Check to make sure it is there before reading it.
++       */
++      if (skb->len < 1)
++              goto drop;
++
+       switch (skb->data[0]) {
+       case X25_IFACE_DATA:
+               break;
+@@ -308,6 +314,7 @@ static void lapbeth_setup(struct net_device *dev)
+       dev->netdev_ops      = &lapbeth_netdev_ops;
+       dev->destructor      = free_netdev;
+       dev->type            = ARPHRD_X25;
++      dev->hard_header_len = 0;
+       dev->mtu             = 1000;
+       dev->addr_len        = 0;
+ }
+@@ -334,7 +341,8 @@ static int lapbeth_new_device(struct net_device *dev)
+        * then this driver prepends a length field of 2 bytes,
+        * then the underlying Ethernet device prepends its own header.
+        */
+-      ndev->hard_header_len = -1 + 3 + 2 + dev->hard_header_len;
++      ndev->needed_headroom = -1 + 3 + 2 + dev->hard_header_len
++                                         + dev->needed_headroom;
+ 
+       lapbeth = netdev_priv(ndev);
+       lapbeth->axdev = ndev;
+diff --git a/drivers/net/wireless/ath/ath9k/htc_hst.c 
b/drivers/net/wireless/ath/ath9k/htc_hst.c
+index 257b6ee51e54b..1af216aa5adae 100644
+--- a/drivers/net/wireless/ath/ath9k/htc_hst.c
++++ b/drivers/net/wireless/ath/ath9k/htc_hst.c
+@@ -175,6 +175,7 @@ static int htc_config_pipe_credits(struct htc_target 
*target)
+       time_left = wait_for_completion_timeout(&target->cmd_wait, HZ);
+       if (!time_left) {
+               dev_err(target->dev, "HTC credit config timeout\n");
++              kfree_skb(skb);
+               return -ETIMEDOUT;
+       }
+ 
+@@ -211,6 +212,7 @@ static int htc_setup_complete(struct htc_target *target)
+       time_left = wait_for_completion_timeout(&target->cmd_wait, HZ);
+       if (!time_left) {
+               dev_err(target->dev, "HTC start timeout\n");
++              kfree_skb(skb);
+               return -ETIMEDOUT;
+       }
+ 
+@@ -284,6 +286,7 @@ int htc_connect_service(struct htc_target *target,
+       if (!time_left) {
+               dev_err(target->dev, "Service connection timeout for: %d\n",
+                       service_connreq->service_id);
++              kfree_skb(skb);
+               return -ETIMEDOUT;
+       }
+ 
+diff --git a/drivers/net/wireless/ath/ath9k/wmi.c 
b/drivers/net/wireless/ath/ath9k/wmi.c
+index 8f14897ae5a33..f100533eb7adc 100644
+--- a/drivers/net/wireless/ath/ath9k/wmi.c
++++ b/drivers/net/wireless/ath/ath9k/wmi.c
+@@ -340,6 +340,7 @@ int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id,
+               ath_dbg(common, WMI, "Timeout waiting for WMI command: %s\n",
+                       wmi_cmd_to_name(cmd_id));
+               mutex_unlock(&wmi->op_mutex);
++              kfree_skb(skb);
+               return -ETIMEDOUT;
+       }
+ 
+diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h 
b/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h
+index 4320c4cae53e1..7eb9f31dde1a2 100644
+--- a/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h
++++ b/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h
+@@ -30,7 +30,7 @@
+ #define BRCMF_ARP_OL_PEER_AUTO_REPLY  0x00000008
+ 
+ #define       BRCMF_BSS_INFO_VERSION  109 /* curr ver of brcmf_bss_info_le 
struct */
+-#define BRCMF_BSS_RSSI_ON_CHANNEL     0x0002
++#define BRCMF_BSS_RSSI_ON_CHANNEL     0x0004
+ 
+ #define BRCMF_STA_WME              0x00000002      /* WMM association */
+ #define BRCMF_STA_AUTHE            0x00000008      /* Authenticated */
+diff --git a/drivers/net/wireless/iwlegacy/common.c 
b/drivers/net/wireless/iwlegacy/common.c
+index 544ab3750ea6e..c56febdae1349 100644
+--- a/drivers/net/wireless/iwlegacy/common.c
++++ b/drivers/net/wireless/iwlegacy/common.c
+@@ -4294,8 +4294,8 @@ il_apm_init(struct il_priv *il)
+        *    power savings, even without L1.
+        */
+       if (il->cfg->set_l0s) {
+-              pcie_capability_read_word(il->pci_dev, PCI_EXP_LNKCTL, &lctl);
+-              if (lctl & PCI_EXP_LNKCTL_ASPM_L1) {
++              ret = pcie_capability_read_word(il->pci_dev, PCI_EXP_LNKCTL, 
&lctl);
++              if (!ret && (lctl & PCI_EXP_LNKCTL_ASPM_L1)) {
+                       /* L1-ASPM enabled; disable(!) L0S  */
+                       il_set_bit(il, CSR_GIO_REG,
+                                  CSR_GIO_REG_VAL_L0S_ENABLED);
+diff --git a/drivers/net/wireless/mwifiex/sta_cmdresp.c 
b/drivers/net/wireless/mwifiex/sta_cmdresp.c
+index 9ac7aa2431b41..9e3853c8a22da 100644
+--- a/drivers/net/wireless/mwifiex/sta_cmdresp.c
++++ b/drivers/net/wireless/mwifiex/sta_cmdresp.c
+@@ -592,6 +592,11 @@ static int mwifiex_ret_802_11_key_material_v1(struct 
mwifiex_private *priv,
+ {
+       struct host_cmd_ds_802_11_key_material *key =
+                                               &resp->params.key_material;
++      int len;
++
++      len = le16_to_cpu(key->key_param_set.key_len);
++      if (len > sizeof(key->key_param_set.key))
++              return -EINVAL;
+ 
+       if (le16_to_cpu(key->action) == HostCmd_ACT_GEN_SET) {
+               if ((le16_to_cpu(key->key_param_set.key_info) & KEY_MCAST)) {
+@@ -605,9 +610,8 @@ static int mwifiex_ret_802_11_key_material_v1(struct 
mwifiex_private *priv,
+ 
+       memset(priv->aes_key.key_param_set.key, 0,
+              sizeof(key->key_param_set.key));
+-      priv->aes_key.key_param_set.key_len = key->key_param_set.key_len;
+-      memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key,
+-             le16_to_cpu(priv->aes_key.key_param_set.key_len));
++      priv->aes_key.key_param_set.key_len = cpu_to_le16(len);
++      memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key, len);
+ 
+       return 0;
+ }
+@@ -622,9 +626,14 @@ static int mwifiex_ret_802_11_key_material_v2(struct 
mwifiex_private *priv,
+                                             struct host_cmd_ds_command *resp)
+ {
+       struct host_cmd_ds_802_11_key_material_v2 *key_v2;
+-      __le16 len;
++      int len;
+ 
+       key_v2 = &resp->params.key_material_v2;
++
++      len = le16_to_cpu(key_v2->key_param_set.key_params.aes.key_len);
++      if (len > WLAN_KEY_LEN_CCMP)
++              return -EINVAL;
++
+       if (le16_to_cpu(key_v2->action) == HostCmd_ACT_GEN_SET) {
+               if ((le16_to_cpu(key_v2->key_param_set.key_info) & KEY_MCAST)) {
+                       mwifiex_dbg(priv->adapter, INFO, "info: key: GTK is 
set\n");
+@@ -640,10 +649,9 @@ static int mwifiex_ret_802_11_key_material_v2(struct 
mwifiex_private *priv,
+       memset(priv->aes_key_v2.key_param_set.key_params.aes.key, 0,
+              WLAN_KEY_LEN_CCMP);
+       priv->aes_key_v2.key_param_set.key_params.aes.key_len =
+-                              key_v2->key_param_set.key_params.aes.key_len;
+-      len = priv->aes_key_v2.key_param_set.key_params.aes.key_len;
++                              cpu_to_le16(len);
+       memcpy(priv->aes_key_v2.key_param_set.key_params.aes.key,
+-             key_v2->key_param_set.key_params.aes.key, le16_to_cpu(len));
++             key_v2->key_param_set.key_params.aes.key, len);
+ 
+       return 0;
+ }
+diff --git a/drivers/net/wireless/ti/wl1251/event.c 
b/drivers/net/wireless/ti/wl1251/event.c
+index c98630394a1a2..26bf3e2b750d6 100644
+--- a/drivers/net/wireless/ti/wl1251/event.c
++++ b/drivers/net/wireless/ti/wl1251/event.c
+@@ -80,7 +80,7 @@ static int wl1251_event_ps_report(struct wl1251 *wl,
+               break;
+       }
+ 
+-      return 0;
++      return ret;
+ }
+ 
+ static void wl1251_event_mbox_dump(struct event_mailbox *mbox)
+diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
+index 02b6a6c108400..7d4c0c46a889d 100644
+--- a/drivers/net/xen-netfront.c
++++ b/drivers/net/xen-netfront.c
+@@ -62,6 +62,8 @@ module_param_named(max_queues, xennet_max_queues, uint, 
0644);
+ MODULE_PARM_DESC(max_queues,
+                "Maximum number of queues per virtual interface");
+ 
++#define XENNET_TIMEOUT  (5 * HZ)
++
+ static const struct ethtool_ops xennet_ethtool_ops;
+ 
+ struct netfront_cb {
+@@ -1349,12 +1351,15 @@ static struct net_device *xennet_create_dev(struct 
xenbus_device *dev)
+ 
+       netif_carrier_off(netdev);
+ 
+-      xenbus_switch_state(dev, XenbusStateInitialising);
+-      wait_event(module_wq,
+-                 xenbus_read_driver_state(dev->otherend) !=
+-                 XenbusStateClosed &&
+-                 xenbus_read_driver_state(dev->otherend) !=
+-                 XenbusStateUnknown);
++      do {
++              xenbus_switch_state(dev, XenbusStateInitialising);
++              err = wait_event_timeout(module_wq,
++                               xenbus_read_driver_state(dev->otherend) !=
++                               XenbusStateClosed &&
++                               xenbus_read_driver_state(dev->otherend) !=
++                               XenbusStateUnknown, XENNET_TIMEOUT);
++      } while (!err);
++
+       return netdev;
+ 
+  exit:
+@@ -2166,28 +2171,43 @@ static const struct attribute_group xennet_dev_group = 
{
+ };
+ #endif /* CONFIG_SYSFS */
+ 
+-static int xennet_remove(struct xenbus_device *dev)
++static void xennet_bus_close(struct xenbus_device *dev)
+ {
+-      struct netfront_info *info = dev_get_drvdata(&dev->dev);
+-
+-      dev_dbg(&dev->dev, "%s\n", dev->nodename);
++      int ret;
+ 
+-      if (xenbus_read_driver_state(dev->otherend) != XenbusStateClosed) {
++      if (xenbus_read_driver_state(dev->otherend) == XenbusStateClosed)
++              return;
++      do {
+               xenbus_switch_state(dev, XenbusStateClosing);
+-              wait_event(module_wq,
+-                         xenbus_read_driver_state(dev->otherend) ==
+-                         XenbusStateClosing ||
+-                         xenbus_read_driver_state(dev->otherend) ==
+-                         XenbusStateUnknown);
++              ret = wait_event_timeout(module_wq,
++                                 xenbus_read_driver_state(dev->otherend) ==
++                                 XenbusStateClosing ||
++                                 xenbus_read_driver_state(dev->otherend) ==
++                                 XenbusStateClosed ||
++                                 xenbus_read_driver_state(dev->otherend) ==
++                                 XenbusStateUnknown,
++                                 XENNET_TIMEOUT);
++      } while (!ret);
++
++      if (xenbus_read_driver_state(dev->otherend) == XenbusStateClosed)
++              return;
+ 
++      do {
+               xenbus_switch_state(dev, XenbusStateClosed);
+-              wait_event(module_wq,
+-                         xenbus_read_driver_state(dev->otherend) ==
+-                         XenbusStateClosed ||
+-                         xenbus_read_driver_state(dev->otherend) ==
+-                         XenbusStateUnknown);
+-      }
++              ret = wait_event_timeout(module_wq,
++                                 xenbus_read_driver_state(dev->otherend) ==
++                                 XenbusStateClosed ||
++                                 xenbus_read_driver_state(dev->otherend) ==
++                                 XenbusStateUnknown,
++                                 XENNET_TIMEOUT);
++      } while (!ret);
++}
++
++static int xennet_remove(struct xenbus_device *dev)
++{
++      struct netfront_info *info = dev_get_drvdata(&dev->dev);
+ 
++      xennet_bus_close(dev);
+       xennet_disconnect_backend(info);
+ 
+       if (info->netdev->reg_state == NETREG_REGISTERED)
+diff --git a/drivers/nfc/s3fwrn5/core.c b/drivers/nfc/s3fwrn5/core.c
+index 0d866ca295e3f..cafab107ba9bc 100644
+--- a/drivers/nfc/s3fwrn5/core.c
++++ b/drivers/nfc/s3fwrn5/core.c
+@@ -209,6 +209,7 @@ int s3fwrn5_recv_frame(struct nci_dev *ndev, struct 
sk_buff *skb,
+       case S3FWRN5_MODE_FW:
+               return s3fwrn5_fw_recv_frame(ndev, skb);
+       default:
++              kfree_skb(skb);
+               return -ENODEV;
+       }
+ }
+diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
+index f3b9746157f81..b854de39c7ffa 100644
+--- a/drivers/parisc/sba_iommu.c
++++ b/drivers/parisc/sba_iommu.c
+@@ -1277,7 +1277,7 @@ sba_ioc_init_pluto(struct parisc_device *sba, struct ioc 
*ioc, int ioc_num)
+       ** (one that doesn't overlap memory or LMMIO space) in the
+       ** IBASE and IMASK registers.
+       */
+-      ioc->ibase = READ_REG(ioc->ioc_hpa + IOC_IBASE);
++      ioc->ibase = READ_REG(ioc->ioc_hpa + IOC_IBASE) & ~0x1fffffULL;
+       iova_space_size = ~(READ_REG(ioc->ioc_hpa + IOC_IMASK) & 0xFFFFFFFFUL) 
+ 1;
+ 
+       if ((ioc->ibase < 0xfed00000UL) && ((ioc->ibase + iova_space_size) > 
0xfee00000UL)) {
+diff --git a/drivers/pci/hotplug/acpiphp_glue.c 
b/drivers/pci/hotplug/acpiphp_glue.c
+index 572ca192cb1fd..6727471ea5b40 100644
+--- a/drivers/pci/hotplug/acpiphp_glue.c
++++ b/drivers/pci/hotplug/acpiphp_glue.c
+@@ -136,13 +136,21 @@ static struct acpiphp_context 
*acpiphp_grab_context(struct acpi_device *adev)
+       struct acpiphp_context *context;
+ 
+       acpi_lock_hp_context();
++
+       context = acpiphp_get_context(adev);
+-      if (!context || context->func.parent->is_going_away) {
+-              acpi_unlock_hp_context();
+-              return NULL;
++      if (!context)
++              goto unlock;
++
++      if (context->func.parent->is_going_away) {
++              acpiphp_put_context(context);
++              context = NULL;
++              goto unlock;
+       }
++
+       get_bridge(context->func.parent);
+       acpiphp_put_context(context);
++
++unlock:
+       acpi_unlock_hp_context();
+       return context;
+ }
+diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
+index 966b6947e5656..a098f8324afd0 100644
+--- a/drivers/pci/pcie/aspm.c
++++ b/drivers/pci/pcie/aspm.c
+@@ -807,6 +807,7 @@ static int pcie_aspm_get_policy(char *buffer, struct 
kernel_param *kp)
+                       cnt += sprintf(buffer + cnt, "[%s] ", policy_str[i]);
+               else
+                       cnt += sprintf(buffer + cnt, "%s ", policy_str[i]);
++      cnt += sprintf(buffer + cnt, "\n");
+       return cnt;
+ }
+ 
+diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
+index ab161bbeb4d41..bdaeccafa261b 100644
+--- a/drivers/pci/quirks.c
++++ b/drivers/pci/quirks.c
+@@ -2273,6 +2273,19 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, 
PCI_DEVICE_ID_AMD_8131_BRIDGE, quirk_
+ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, 0xa238, quirk_disable_msi);
+ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x5a3f, quirk_disable_msi);
+ 
++static void quirk_disable_aspm_l0s_l1(struct pci_dev *dev)
++{
++      dev_info(&dev->dev, "Disabling ASPM L0s/L1\n");
++      pci_disable_link_state(dev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1);
++}
++
++/*
++ * ASM1083/1085 PCIe-PCI bridge devices cause AER timeout errors on the
++ * upstream PCIe root port when ASPM is enabled. At least L0s mode is 
affected;
++ * disable both L0s and L1 for now to be safe.
++ */
++DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ASMEDIA, 0x1080, 
quirk_disable_aspm_l0s_l1);
++
+ /*
+  * The APC bridge device in AMD 780 family northbridges has some random
+  * OEM subsystem ID in its vendor ID register (erratum 18), so instead
+diff --git a/drivers/pinctrl/pinctrl-single.c 
b/drivers/pinctrl/pinctrl-single.c
+index 73d8d47ea465a..17714793c08e4 100644
+--- a/drivers/pinctrl/pinctrl-single.c
++++ b/drivers/pinctrl/pinctrl-single.c
+@@ -1071,7 +1071,7 @@ static int pcs_parse_pinconf(struct pcs_device *pcs, 
struct device_node *np,
+ 
+       /* If pinconf isn't supported, don't parse properties in below. */
+       if (!PCS_HAS_PINCONF)
+-              return 0;
++              return -ENOTSUPP;
+ 
+       /* cacluate how much properties are supported in current node */
+       for (i = 0; i < ARRAY_SIZE(prop2); i++) {
+@@ -1083,7 +1083,7 @@ static int pcs_parse_pinconf(struct pcs_device *pcs, 
struct device_node *np,
+                       nconfs++;
+       }
+       if (!nconfs)
+-              return 0;
++              return -ENOTSUPP;
+ 
+       func->conf = devm_kzalloc(pcs->dev,
+                                 sizeof(struct pcs_conf_vals) * nconfs,
+@@ -1196,9 +1196,12 @@ static int pcs_parse_one_pinctrl_entry(struct 
pcs_device *pcs,
+ 
+       if (PCS_HAS_PINCONF) {
+               res = pcs_parse_pinconf(pcs, np, function, map);
+-              if (res)
++              if (res == 0)
++                      *num_maps = 2;
++              else if (res == -ENOTSUPP)
++                      *num_maps = 1;
++              else
+                       goto free_pingroups;
+-              *num_maps = 2;
+       } else {
+               *num_maps = 1;
+       }
+diff --git a/drivers/power/88pm860x_battery.c 
b/drivers/power/88pm860x_battery.c
+index 63c57dc82ac1d..4eda5065b5bbc 100644
+--- a/drivers/power/88pm860x_battery.c
++++ b/drivers/power/88pm860x_battery.c
+@@ -436,7 +436,7 @@ static void pm860x_init_battery(struct pm860x_battery_info 
*info)
+       int ret;
+       int data;
+       int bat_remove;
+-      int soc;
++      int soc = 0;
+ 
+       /* measure enable on GPADC1 */
+       data = MEAS1_GP1;
+@@ -499,7 +499,9 @@ static void pm860x_init_battery(struct pm860x_battery_info 
*info)
+       }
+       mutex_unlock(&info->lock);
+ 
+-      calc_soc(info, OCV_MODE_ACTIVE, &soc);
++      ret = calc_soc(info, OCV_MODE_ACTIVE, &soc);
++      if (ret < 0)
++              goto out;
+ 
+       data = pm860x_reg_read(info->i2c, PM8607_POWER_UP_LOG);
+       bat_remove = data & BAT_WU_LOG;
+diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
+index 97211f7f0cf02..ed4b0f6e2d6ad 100644
+--- a/drivers/s390/net/qeth_l2_main.c
++++ b/drivers/s390/net/qeth_l2_main.c
+@@ -1669,6 +1669,10 @@ static void qeth_bridge_state_change(struct qeth_card 
*card,
+       int extrasize;
+ 
+       QETH_CARD_TEXT(card, 2, "brstchng");
++      if (qports->num_entries == 0) {
++              QETH_CARD_TEXT(card, 2, "BPempty");
++              return;
++      }
+       if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) {
+               QETH_CARD_TEXT_(card, 2, "BPsz%04x", qports->entry_length);
+               return;
+diff --git a/drivers/scsi/arm/cumana_2.c b/drivers/scsi/arm/cumana_2.c
+index faa1bee07c8ac..0c83a155ceebc 100644
+--- a/drivers/scsi/arm/cumana_2.c
++++ b/drivers/scsi/arm/cumana_2.c
+@@ -454,7 +454,7 @@ static int cumanascsi2_probe(struct expansion_card *ec,
+ 
+       if (info->info.scsi.dma != NO_DMA)
+               free_dma(info->info.scsi.dma);
+-      free_irq(ec->irq, host);
++      free_irq(ec->irq, info);
+ 
+  out_release:
+       fas216_release(host);
+diff --git a/drivers/scsi/arm/eesox.c b/drivers/scsi/arm/eesox.c
+index a8ad6880dd914..cf01442d91363 100644
+--- a/drivers/scsi/arm/eesox.c
++++ b/drivers/scsi/arm/eesox.c
+@@ -575,7 +575,7 @@ static int eesoxscsi_probe(struct expansion_card *ec, 
const struct ecard_id *id)
+ 
+       if (info->info.scsi.dma != NO_DMA)
+               free_dma(info->info.scsi.dma);
+-      free_irq(ec->irq, host);
++      free_irq(ec->irq, info);
+ 
+  out_remove:
+       fas216_remove(host);
+diff --git a/drivers/scsi/arm/powertec.c b/drivers/scsi/arm/powertec.c
+index 5e1b73e1b743e..b6724ba9b36e7 100644
+--- a/drivers/scsi/arm/powertec.c
++++ b/drivers/scsi/arm/powertec.c
+@@ -382,7 +382,7 @@ static int powertecscsi_probe(struct expansion_card *ec,
+ 
+       if (info->info.scsi.dma != NO_DMA)
+               free_dma(info->info.scsi.dma);
+-      free_irq(ec->irq, host);
++      free_irq(ec->irq, info);
+ 
+  out_release:
+       fas216_release(host);
+diff --git a/drivers/scsi/mesh.c b/drivers/scsi/mesh.c
+index 555367f002282..18ed4b44bc513 100644
+--- a/drivers/scsi/mesh.c
++++ b/drivers/scsi/mesh.c
+@@ -1044,6 +1044,8 @@ static void handle_error(struct mesh_state *ms)
+               while ((in_8(&mr->bus_status1) & BS1_RST) != 0)
+                       udelay(1);
+               printk("done\n");
++              if (ms->dma_started)
++                      halt_dma(ms);
+               handle_reset(ms);
+               /* request_q is empty, no point in mesh_start() */
+               return;
+@@ -1356,7 +1358,8 @@ static void halt_dma(struct mesh_state *ms)
+                      ms->conn_tgt, ms->data_ptr, scsi_bufflen(cmd),
+                      ms->tgts[ms->conn_tgt].data_goes_out);
+       }
+-      scsi_dma_unmap(cmd);
++      if (cmd)
++              scsi_dma_unmap(cmd);
+       ms->dma_started = 0;
+ }
+ 
+@@ -1711,6 +1714,9 @@ static int mesh_host_reset(struct scsi_cmnd *cmd)
+ 
+       spin_lock_irqsave(ms->host->host_lock, flags);
+ 
++      if (ms->dma_started)
++              halt_dma(ms);
++
+       /* Reset the controller & dbdma channel */
+       out_le32(&md->control, (RUN|PAUSE|FLUSH|WAKE) << 16);   /* stop dma */
+       out_8(&mr->exception, 0xff);    /* clear all exception bits */
+diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
+index 5e554b1d5a8f9..d9fafd6a7927f 100644
+--- a/drivers/usb/dwc2/platform.c
++++ b/drivers/usb/dwc2/platform.c
+@@ -458,6 +458,7 @@ static int dwc2_driver_probe(struct platform_device *dev)
+       if (hsotg->gadget_enabled) {
+               retval = usb_add_gadget_udc(hsotg->dev, &hsotg->gadget);
+               if (retval) {
++                      hsotg->gadget.udc = NULL;
+                       dwc2_hsotg_remove(hsotg);
+                       goto error;
+               }
+@@ -466,7 +467,8 @@ static int dwc2_driver_probe(struct platform_device *dev)
+       return 0;
+ 
+ error:
+-      dwc2_lowlevel_hw_disable(hsotg);
++      if (hsotg->dr_mode != USB_DR_MODE_PERIPHERAL)
++              dwc2_lowlevel_hw_disable(hsotg);
+       return retval;
+ }
+ 
+diff --git a/drivers/usb/gadget/udc/bdc/bdc_core.c 
b/drivers/usb/gadget/udc/bdc/bdc_core.c
+index e9bd8d4abca00..f09a74d79c9eb 100644
+--- a/drivers/usb/gadget/udc/bdc/bdc_core.c
++++ b/drivers/usb/gadget/udc/bdc/bdc_core.c
+@@ -286,6 +286,7 @@ static void bdc_mem_init(struct bdc *bdc, bool reinit)
+        * in that case reinit is passed as 1
+        */
+       if (reinit) {
++              int i;
+               /* Enable interrupts */
+               temp = bdc_readl(bdc->regs, BDC_BDCSC);
+               temp |= BDC_GIE;
+@@ -295,6 +296,9 @@ static void bdc_mem_init(struct bdc *bdc, bool reinit)
+               /* Initialize SRR to 0 */
+               memset(bdc->srr.sr_bds, 0,
+                                       NUM_SR_ENTRIES * sizeof(struct bdc_bd));
++              /* clear ep flags to avoid post disconnect stops/deconfigs */
++              for (i = 1; i < bdc->num_eps; ++i)
++                      bdc->bdc_ep_array[i]->flags = 0;
+       } else {
+               /* One time initiaization only */
+               /* Enable status report function pointers */
+diff --git a/drivers/usb/gadget/udc/bdc/bdc_ep.c 
b/drivers/usb/gadget/udc/bdc/bdc_ep.c
+index 3a65272fbed86..9f5f18891ba85 100644
+--- a/drivers/usb/gadget/udc/bdc/bdc_ep.c
++++ b/drivers/usb/gadget/udc/bdc/bdc_ep.c
+@@ -621,7 +621,6 @@ int bdc_ep_enable(struct bdc_ep *ep)
+       }
+       bdc_dbg_bd_list(bdc, ep);
+       /* only for ep0: config ep is called for ep0 from connect event */
+-      ep->flags |= BDC_EP_ENABLED;
+       if (ep->ep_num == 1)
+               return ret;
+ 
+@@ -767,10 +766,13 @@ static int ep_dequeue(struct bdc_ep *ep, struct bdc_req 
*req)
+                                       __func__, ep->name, start_bdi, end_bdi);
+       dev_dbg(bdc->dev, "ep_dequeue ep=%p ep->desc=%p\n",
+                                               ep, (void *)ep->usb_ep.desc);
+-      /* Stop the ep to see where the HW is ? */
+-      ret = bdc_stop_ep(bdc, ep->ep_num);
+-      /* if there is an issue with stopping ep, then no need to go further */
+-      if (ret)
++      /* if still connected, stop the ep to see where the HW is ? */
++      if (!(bdc_readl(bdc->regs, BDC_USPC) & BDC_PST_MASK)) {
++              ret = bdc_stop_ep(bdc, ep->ep_num);
++              /* if there is an issue, then no need to go further */
++              if (ret)
++                      return 0;
++      } else
+               return 0;
+ 
+       /*
+@@ -1921,7 +1923,9 @@ static int bdc_gadget_ep_disable(struct usb_ep *_ep)
+               __func__, ep->name, ep->flags);
+ 
+       if (!(ep->flags & BDC_EP_ENABLED)) {
+-              dev_warn(bdc->dev, "%s is already disabled\n", ep->name);
++              if (bdc->gadget.speed != USB_SPEED_UNKNOWN)
++                      dev_warn(bdc->dev, "%s is already disabled\n",
++                               ep->name);
+               return 0;
+       }
+       spin_lock_irqsave(&bdc->lock, flags);
+diff --git a/drivers/usb/gadget/udc/net2280.c 
b/drivers/usb/gadget/udc/net2280.c
+index 3a8d056a5d16b..48dd0da21e2b4 100644
+--- a/drivers/usb/gadget/udc/net2280.c
++++ b/drivers/usb/gadget/udc/net2280.c
+@@ -3712,8 +3712,10 @@ static int net2280_probe(struct pci_dev *pdev, const 
struct pci_device_id *id)
+       return 0;
+ 
+ done:
+-      if (dev)
++      if (dev) {
+               net2280_remove(pdev);
++              kfree(dev);
++      }
+       return retval;
+ }
+ 
+diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
+index 8388f88ce6356..0afea511eb376 100644
+--- a/drivers/usb/serial/ftdi_sio.c
++++ b/drivers/usb/serial/ftdi_sio.c
+@@ -2051,12 +2051,11 @@ static int ftdi_prepare_write_buffer(struct 
usb_serial_port *port,
+ #define FTDI_RS_ERR_MASK (FTDI_RS_BI | FTDI_RS_PE | FTDI_RS_FE | FTDI_RS_OE)
+ 
+ static int ftdi_process_packet(struct usb_serial_port *port,
+-              struct ftdi_private *priv, char *packet, int len)
++              struct ftdi_private *priv, unsigned char *buf, int len)
+ {
++      unsigned char status;
+       int i;
+-      char status;
+       char flag;
+-      char *ch;
+ 
+       if (len < 2) {
+               dev_dbg(&port->dev, "malformed packet\n");
+@@ -2066,7 +2065,7 @@ static int ftdi_process_packet(struct usb_serial_port 
*port,
+       /* Compare new line status to the old one, signal if different/
+          N.B. packet may be processed more than once, but differences
+          are only processed once.  */
+-      status = packet[0] & FTDI_STATUS_B0_MASK;
++      status = buf[0] & FTDI_STATUS_B0_MASK;
+       if (status != priv->prev_status) {
+               char diff_status = status ^ priv->prev_status;
+ 
+@@ -2092,13 +2091,12 @@ static int ftdi_process_packet(struct usb_serial_port 
*port,
+       }
+ 
+       /* save if the transmitter is empty or not */
+-      if (packet[1] & FTDI_RS_TEMT)
++      if (buf[1] & FTDI_RS_TEMT)
+               priv->transmit_empty = 1;
+       else
+               priv->transmit_empty = 0;
+ 
+-      len -= 2;
+-      if (!len)
++      if (len == 2)
+               return 0;       /* status only */
+ 
+       /*
+@@ -2106,40 +2104,41 @@ static int ftdi_process_packet(struct usb_serial_port 
*port,
+        * data payload to avoid over-reporting.
+        */
+       flag = TTY_NORMAL;
+-      if (packet[1] & FTDI_RS_ERR_MASK) {
++      if (buf[1] & FTDI_RS_ERR_MASK) {
+               /* Break takes precedence over parity, which takes precedence
+                * over framing errors */
+-              if (packet[1] & FTDI_RS_BI) {
++              if (buf[1] & FTDI_RS_BI) {
+                       flag = TTY_BREAK;
+                       port->icount.brk++;
+                       usb_serial_handle_break(port);
+-              } else if (packet[1] & FTDI_RS_PE) {
++              } else if (buf[1] & FTDI_RS_PE) {
+                       flag = TTY_PARITY;
+                       port->icount.parity++;
+-              } else if (packet[1] & FTDI_RS_FE) {
++              } else if (buf[1] & FTDI_RS_FE) {
+                       flag = TTY_FRAME;
+                       port->icount.frame++;
+               }
+               /* Overrun is special, not associated with a char */
+-              if (packet[1] & FTDI_RS_OE) {
++              if (buf[1] & FTDI_RS_OE) {
+                       port->icount.overrun++;
+                       tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
+               }
+       }
+ 
+-      port->icount.rx += len;
+-      ch = packet + 2;
++      port->icount.rx += len - 2;
+ 
+       if (port->port.console && port->sysrq) {
+-              for (i = 0; i < len; i++, ch++) {
+-                      if (!usb_serial_handle_sysrq_char(port, *ch))
+-                              tty_insert_flip_char(&port->port, *ch, flag);
++              for (i = 2; i < len; i++) {
++                      if (usb_serial_handle_sysrq_char(port, buf[i]))
++                              continue;
++                      tty_insert_flip_char(&port->port, buf[i], flag);
+               }
+       } else {
+-              tty_insert_flip_string_fixed_flag(&port->port, ch, flag, len);
++              tty_insert_flip_string_fixed_flag(&port->port, buf + 2, flag,
++                              len - 2);
+       }
+ 
+-      return len;
++      return len - 2;
+ }
+ 
+ static void ftdi_process_read_urb(struct urb *urb)
+diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
+index c59e6d4a8a612..11fb4d78e2dbc 100644
+--- a/drivers/usb/serial/qcserial.c
++++ b/drivers/usb/serial/qcserial.c
+@@ -159,6 +159,7 @@ static const struct usb_device_id id_table[] = {
+       {DEVICE_SWI(0x1199, 0x9056)},   /* Sierra Wireless Modem */
+       {DEVICE_SWI(0x1199, 0x9060)},   /* Sierra Wireless Modem */
+       {DEVICE_SWI(0x1199, 0x9061)},   /* Sierra Wireless Modem */
++      {DEVICE_SWI(0x1199, 0x9062)},   /* Sierra Wireless EM7305 QDL */
+       {DEVICE_SWI(0x1199, 0x9063)},   /* Sierra Wireless EM7305 */
+       {DEVICE_SWI(0x1199, 0x9070)},   /* Sierra Wireless MC74xx */
+       {DEVICE_SWI(0x1199, 0x9071)},   /* Sierra Wireless MC74xx */
+diff --git a/drivers/video/console/bitblit.c b/drivers/video/console/bitblit.c
+index dbfe4eecf12e5..05d1d36a56654 100644
+--- a/drivers/video/console/bitblit.c
++++ b/drivers/video/console/bitblit.c
+@@ -216,7 +216,7 @@ static void bit_clear_margins(struct vc_data *vc, struct 
fb_info *info,
+       region.color = 0;
+       region.rop = ROP_COPY;
+ 
+-      if (rw && !bottom_only) {
++      if ((int) rw > 0 && !bottom_only) {
+               region.dx = info->var.xoffset + rs;
+               region.dy = 0;
+               region.width = rw;
+@@ -224,7 +224,7 @@ static void bit_clear_margins(struct vc_data *vc, struct 
fb_info *info,
+               info->fbops->fb_fillrect(info, &region);
+       }
+ 
+-      if (bh) {
++      if ((int) bh > 0) {
+               region.dx = info->var.xoffset;
+               region.dy = info->var.yoffset + bs;
+               region.width = rs;
+diff --git a/drivers/video/console/fbcon_ccw.c 
b/drivers/video/console/fbcon_ccw.c
+index 5a3cbf6dff4d9..34da8bba9273a 100644
+--- a/drivers/video/console/fbcon_ccw.c
++++ b/drivers/video/console/fbcon_ccw.c
+@@ -201,7 +201,7 @@ static void ccw_clear_margins(struct vc_data *vc, struct 
fb_info *info,
+       region.color = 0;
+       region.rop = ROP_COPY;
+ 
+-      if (rw && !bottom_only) {
++      if ((int) rw > 0 && !bottom_only) {
+               region.dx = 0;
+               region.dy = info->var.yoffset;
+               region.height = rw;
+@@ -209,7 +209,7 @@ static void ccw_clear_margins(struct vc_data *vc, struct 
fb_info *info,
+               info->fbops->fb_fillrect(info, &region);
+       }
+ 
+-      if (bh) {
++      if ((int) bh > 0) {
+               region.dx = info->var.xoffset + bs;
+               region.dy = 0;
+                 region.height = info->var.yres_virtual;
+diff --git a/drivers/video/console/fbcon_cw.c 
b/drivers/video/console/fbcon_cw.c
+index e7ee44db4e98b..0b552b3fc22ab 100644
+--- a/drivers/video/console/fbcon_cw.c
++++ b/drivers/video/console/fbcon_cw.c
+@@ -184,7 +184,7 @@ static void cw_clear_margins(struct vc_data *vc, struct 
fb_info *info,
+       region.color = 0;
+       region.rop = ROP_COPY;
+ 
+-      if (rw && !bottom_only) {
++      if ((int) rw > 0 && !bottom_only) {
+               region.dx = 0;
+               region.dy = info->var.yoffset + rs;
+               region.height = rw;
+@@ -192,7 +192,7 @@ static void cw_clear_margins(struct vc_data *vc, struct 
fb_info *info,
+               info->fbops->fb_fillrect(info, &region);
+       }
+ 
+-      if (bh) {
++      if ((int) bh > 0) {
+               region.dx = info->var.xoffset;
+               region.dy = info->var.yoffset;
+                 region.height = info->var.yres;
+diff --git a/drivers/video/console/fbcon_ud.c 
b/drivers/video/console/fbcon_ud.c
+index 19e3714abfe8f..7f62efe2da526 100644
+--- a/drivers/video/console/fbcon_ud.c
++++ b/drivers/video/console/fbcon_ud.c
+@@ -231,7 +231,7 @@ static void ud_clear_margins(struct vc_data *vc, struct 
fb_info *info,
+       region.color = 0;
+       region.rop = ROP_COPY;
+ 
+-      if (rw && !bottom_only) {
++      if ((int) rw > 0 && !bottom_only) {
+               region.dy = 0;
+               region.dx = info->var.xoffset;
+               region.width  = rw;
+@@ -239,7 +239,7 @@ static void ud_clear_margins(struct vc_data *vc, struct 
fb_info *info,
+               info->fbops->fb_fillrect(info, &region);
+       }
+ 
+-      if (bh) {
++      if ((int) bh > 0) {
+               region.dy = info->var.yoffset;
+               region.dx = info->var.xoffset;
+                 region.height  = bh;
+diff --git a/drivers/video/console/newport_con.c 
b/drivers/video/console/newport_con.c
+index bb4e96255974a..bd0c6e53bec19 100644
+--- a/drivers/video/console/newport_con.c
++++ b/drivers/video/console/newport_con.c
+@@ -31,6 +31,8 @@
+ #include <linux/linux_logo.h>
+ #include <linux/font.h>
+ 
++#define NEWPORT_LEN   0x10000
++
+ #define FONT_DATA ((unsigned char *)font_vga_8x16.data)
+ 
+ /* borrowed from fbcon.c */
+@@ -42,6 +44,7 @@
+ static unsigned char *font_data[MAX_NR_CONSOLES];
+ 
+ static struct newport_regs *npregs;
++static unsigned long newport_addr;
+ 
+ static int logo_active;
+ static int topscan;
+@@ -743,7 +746,6 @@ const struct consw newport_con = {
+ static int newport_probe(struct gio_device *dev,
+                        const struct gio_device_id *id)
+ {
+-      unsigned long newport_addr;
+       int err;
+ 
+       if (!dev->resource.start)
+@@ -753,7 +755,7 @@ static int newport_probe(struct gio_device *dev,
+               return -EBUSY; /* we only support one Newport as console */
+ 
+       newport_addr = dev->resource.start + 0xF0000;
+-      if (!request_mem_region(newport_addr, 0x10000, "Newport"))
++      if (!request_mem_region(newport_addr, NEWPORT_LEN, "Newport"))
+               return -ENODEV;
+ 
+       npregs = (struct newport_regs *)/* ioremap cannot fail */
+@@ -761,6 +763,11 @@ static int newport_probe(struct gio_device *dev,
+       console_lock();
+       err = do_take_over_console(&newport_con, 0, MAX_NR_CONSOLES - 1, 1);
+       console_unlock();
++
++      if (err) {
++              iounmap((void *)npregs);
++              release_mem_region(newport_addr, NEWPORT_LEN);
++      }
+       return err;
+ }
+ 
+@@ -768,6 +775,7 @@ static void newport_remove(struct gio_device *dev)
+ {
+       give_up_console(&newport_con);
+       iounmap((void *)npregs);
++      release_mem_region(newport_addr, NEWPORT_LEN);
+ }
+ 
+ static struct gio_device_id newport_ids[] = {
+diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
+index e5231dd55e6ed..edf0af8dd0a42 100644
+--- a/drivers/video/console/vgacon.c
++++ b/drivers/video/console/vgacon.c
+@@ -220,6 +220,10 @@ static void vgacon_scrollback_update(struct vc_data *c, 
int t, int count)
+       p = (void *) (c->vc_origin + t * c->vc_size_row);
+ 
+       while (count--) {
++              if ((vgacon_scrollback_tail + c->vc_size_row) >
++                  vgacon_scrollback_size)
++                      vgacon_scrollback_tail = 0;
++
+               scr_memcpyw(vgacon_scrollback + vgacon_scrollback_tail,
+                           p, c->vc_size_row);
+               vgacon_scrollback_cnt++;
+diff --git a/drivers/video/fbdev/neofb.c b/drivers/video/fbdev/neofb.c
+index db023a97d1eae..e243254a57214 100644
+--- a/drivers/video/fbdev/neofb.c
++++ b/drivers/video/fbdev/neofb.c
+@@ -1820,6 +1820,7 @@ static int neo_scan_monitor(struct fb_info *info)
+ #else
+               printk(KERN_ERR
+                      "neofb: Only 640x480, 800x600/480 and 1024x768 panels 
are currently supported\n");
++              kfree(info->monspecs.modedb);
+               return -1;
+ #endif
+       default:
+diff --git a/drivers/video/fbdev/sm712fb.c b/drivers/video/fbdev/sm712fb.c
+index 589ac7e754130..c8ee58e0ae3ec 100644
+--- a/drivers/video/fbdev/sm712fb.c
++++ b/drivers/video/fbdev/sm712fb.c
+@@ -1428,6 +1428,8 @@ static int smtc_map_smem(struct smtcfb_info *sfb,
+ static void smtc_unmap_smem(struct smtcfb_info *sfb)
+ {
+       if (sfb && sfb->fb->screen_base) {
++              if (sfb->chip_id == 0x720)
++                      sfb->fb->screen_base -= 0x00200000;
+               iounmap(sfb->fb->screen_base);
+               sfb->fb->screen_base = NULL;
+       }
+diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
+index d6f5a74df9738..dff07318d1fb5 100644
+--- a/drivers/xen/balloon.c
++++ b/drivers/xen/balloon.c
+@@ -623,11 +623,13 @@ static int add_ballooned_pages(int nr_pages)
+       if (xen_hotplug_unpopulated) {
+               st = reserve_additional_memory();
+               if (st != BP_ECANCELED) {
++                      int rc;
++
+                       mutex_unlock(&balloon_mutex);
+-                      wait_event(balloon_wq,
++                      rc = wait_event_interruptible(balloon_wq,
+                                  !list_empty(&ballooned_pages));
+                       mutex_lock(&balloon_mutex);
+-                      return 0;
++                      return rc ? -ENOMEM : 0;
+               }
+       }
+ 
+@@ -683,6 +685,12 @@ int alloc_xenballooned_pages(int nr_pages, struct page 
**pages)
+  out_undo:
+       mutex_unlock(&balloon_mutex);
+       free_xenballooned_pages(pgno, pages);
++      /*
++       * NB: free_xenballooned_pages will only subtract pgno pages, but since
++       * target_unpopulated is incremented with nr_pages at the start we need
++       * to remove the remaining ones also, or accounting will be screwed.
++       */
++      balloon_stats.target_unpopulated -= nr_pages - pgno;
+       return ret;
+ }
+ EXPORT_SYMBOL(alloc_xenballooned_pages);
+diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
+index 1e9bb8db7b48b..3a56f4fa59f95 100644
+--- a/fs/9p/v9fs.c
++++ b/fs/9p/v9fs.c
+@@ -457,10 +457,9 @@ void v9fs_session_close(struct v9fs_session_info *v9ses)
+       }
+ 
+ #ifdef CONFIG_9P_FSCACHE
+-      if (v9ses->fscache) {
++      if (v9ses->fscache)
+               v9fs_cache_session_put_cookie(v9ses);
+-              kfree(v9ses->cachetag);
+-      }
++      kfree(v9ses->cachetag);
+ #endif
+       kfree(v9ses->uname);
+       kfree(v9ses->aname);
+diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
+index 42b7409d4cc55..2f9f738ecf84a 100644
+--- a/fs/btrfs/extent_io.c
++++ b/fs/btrfs/extent_io.c
+@@ -4437,6 +4437,8 @@ int try_release_extent_mapping(struct extent_map_tree 
*map,
+ 
+                       /* once for us */
+                       free_extent_map(em);
++
++                      cond_resched(); /* Allow large-extent preemption. */
+               }
+       }
+       return try_release_extent_state(map, tree, page, mask);
+diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
+index e5351d9a8dfbe..05b1b0f99f0bc 100644
+--- a/fs/btrfs/free-space-cache.c
++++ b/fs/btrfs/free-space-cache.c
+@@ -2158,7 +2158,7 @@ out:
+ static bool try_merge_free_space(struct btrfs_free_space_ctl *ctl,
+                         struct btrfs_free_space *info, bool update_stat)
+ {
+-      struct btrfs_free_space *left_info;
++      struct btrfs_free_space *left_info = NULL;
+       struct btrfs_free_space *right_info;
+       bool merged = false;
+       u64 offset = info->offset;
+@@ -2173,7 +2173,7 @@ static bool try_merge_free_space(struct 
btrfs_free_space_ctl *ctl,
+       if (right_info && rb_prev(&right_info->offset_index))
+               left_info = rb_entry(rb_prev(&right_info->offset_index),
+                                    struct btrfs_free_space, offset_index);
+-      else
++      else if (!right_info)
+               left_info = tree_search_offset(ctl, offset - 1, 0, 0);
+ 
+       if (right_info && !right_info->bitmap) {
+diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
+index 3779a660988a5..820d3b5bc4150 100644
+--- a/fs/btrfs/tree-log.c
++++ b/fs/btrfs/tree-log.c
+@@ -3733,11 +3733,8 @@ static noinline int copy_items(struct 
btrfs_trans_handle *trans,
+                                               log->fs_info->csum_root,
+                                               ds + cs, ds + cs + cl - 1,
+                                               &ordered_sums, 0);
+-                              if (ret) {
+-                                      btrfs_release_path(dst_path);
+-                                      kfree(ins_data);
+-                                      return ret;
+-                              }
++                              if (ret)
++                                      break;
+                       }
+               }
+       }
+@@ -3750,7 +3747,6 @@ static noinline int copy_items(struct btrfs_trans_handle 
*trans,
+        * we have to do this after the loop above to avoid changing the
+        * log tree while trying to change the log tree.
+        */
+-      ret = 0;
+       while (!list_empty(&ordered_sums)) {
+               struct btrfs_ordered_sum *sums = list_entry(ordered_sums.next,
+                                                  struct btrfs_ordered_sum,
+diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c
+index b14bb2c460426..499f54f99891c 100644
+--- a/fs/dlm/lockspace.c
++++ b/fs/dlm/lockspace.c
+@@ -626,6 +626,9 @@ static int new_lockspace(const char *name, const char 
*cluster,
+       wait_event(ls->ls_recover_lock_wait,
+                  test_bit(LSFL_RECOVER_LOCK, &ls->ls_flags));
+ 
++      /* let kobject handle freeing of ls if there's an error */
++      do_unreg = 1;
++
+       ls->ls_kobj.kset = dlm_kset;
+       error = kobject_init_and_add(&ls->ls_kobj, &dlm_ktype, NULL,
+                                    "%s", ls->ls_name);
+@@ -633,9 +636,6 @@ static int new_lockspace(const char *name, const char 
*cluster,
+               goto out_recoverd;
+       kobject_uevent(&ls->ls_kobj, KOBJ_ADD);
+ 
+-      /* let kobject handle freeing of ls if there's an error */
+-      do_unreg = 1;
+-
+       /* This uevent triggers dlm_controld in userspace to add us to the
+          group of nodes that are members of this lockspace (managed by the
+          cluster infrastructure.)  Once it's done that, it tells us who the
+diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c
+index efe5fb21c5332..d9ef354b821a2 100644
+--- a/fs/ext2/ialloc.c
++++ b/fs/ext2/ialloc.c
+@@ -79,6 +79,7 @@ static void ext2_release_inode(struct super_block *sb, int 
group, int dir)
+       if (dir)
+               le16_add_cpu(&desc->bg_used_dirs_count, -1);
+       spin_unlock(sb_bgl_lock(EXT2_SB(sb), group));
++      percpu_counter_inc(&EXT2_SB(sb)->s_freeinodes_counter);
+       if (dir)
+               percpu_counter_dec(&EXT2_SB(sb)->s_dirs_counter);
+       mark_buffer_dirty(bh);
+@@ -525,7 +526,7 @@ got:
+               goto fail;
+       }
+ 
+-      percpu_counter_add(&sbi->s_freeinodes_counter, -1);
++      percpu_counter_dec(&sbi->s_freeinodes_counter);
+       if (S_ISDIR(mode))
+               percpu_counter_inc(&sbi->s_dirs_counter);
+ 
+diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
+index 8e7997010ba12..881601691bd4a 100644
+--- a/fs/ext4/inode.c
++++ b/fs/ext4/inode.c
+@@ -3353,6 +3353,13 @@ static ssize_t ext4_direct_IO(struct kiocb *iocb, 
struct iov_iter *iter,
+       size_t count = iov_iter_count(iter);
+       ssize_t ret;
+ 
++      if (iov_iter_rw(iter) == READ) {
++              loff_t size = i_size_read(inode);
++
++              if (offset >= size)
++                      return 0;
++      }
++
+ #ifdef CONFIG_EXT4_FS_ENCRYPTION
+       if (ext4_encrypted_inode(inode) && S_ISREG(inode->i_mode))
+               return 0;
+diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
+index 92a240616f520..e2ff0eb16f89c 100644
+--- a/fs/f2fs/dir.c
++++ b/fs/f2fs/dir.c
+@@ -805,6 +805,17 @@ bool f2fs_fill_dentries(struct dir_context *ctx, struct 
f2fs_dentry_ptr *d,
+               de_name.name = d->filename[bit_pos];
+               de_name.len = le16_to_cpu(de->name_len);
+ 
++              /* check memory boundary before moving forward */
++              bit_pos += GET_DENTRY_SLOTS(le16_to_cpu(de->name_len));
++              if (unlikely(bit_pos > d->max ||
++                              le16_to_cpu(de->name_len) > F2FS_NAME_LEN)) {
++                      f2fs_msg(F2FS_I_SB(d->inode)->sb, KERN_WARNING,
++                              "%s: corrupted namelen=%d, run fsck to fix.",
++                              __func__, le16_to_cpu(de->name_len));
++                      set_sbi_flag(F2FS_I_SB(d->inode)->sb->s_fs_info, 
SBI_NEED_FSCK);
++                      return -EINVAL;
++              }
++
+               if (f2fs_encrypted_inode(d->inode)) {
+                       int save_len = fstr->len;
+                       int ret;
+@@ -829,7 +840,6 @@ bool f2fs_fill_dentries(struct dir_context *ctx, struct 
f2fs_dentry_ptr *d,
+                                       le32_to_cpu(de->ino), d_type))
+                       return true;
+ 
+-              bit_pos += GET_DENTRY_SLOTS(le16_to_cpu(de->name_len));
+               ctx->pos = start_pos + bit_pos;
+       }
+       return false;
+diff --git a/fs/minix/inode.c b/fs/minix/inode.c
+index 086cd0a61e801..8d9bc0344cf32 100644
+--- a/fs/minix/inode.c
++++ b/fs/minix/inode.c
+@@ -155,6 +155,23 @@ static int minix_remount (struct super_block * sb, int * 
flags, char * data)
+       return 0;
+ }
+ 
++static bool minix_check_superblock(struct minix_sb_info *sbi)
++{
++      if (sbi->s_imap_blocks == 0 || sbi->s_zmap_blocks == 0)
++              return false;
++
++      /*
++       * s_max_size must not exceed the block mapping limitation.  This check
++       * is only needed for V1 filesystems, since V2/V3 support an extra level
++       * of indirect blocks which places the limit well above U32_MAX.
++       */
++      if (sbi->s_version == MINIX_V1 &&
++          sbi->s_max_size > (7 + 512 + 512*512) * BLOCK_SIZE)
++              return false;
++
++      return true;
++}
++
+ static int minix_fill_super(struct super_block *s, void *data, int silent)
+ {
+       struct buffer_head *bh;
+@@ -233,11 +250,12 @@ static int minix_fill_super(struct super_block *s, void 
*data, int silent)
+       } else
+               goto out_no_fs;
+ 
++      if (!minix_check_superblock(sbi))
++              goto out_illegal_sb;
++
+       /*
+        * Allocate the buffer map to keep the superblock small.
+        */
+-      if (sbi->s_imap_blocks == 0 || sbi->s_zmap_blocks == 0)
+-              goto out_illegal_sb;
+       i = (sbi->s_imap_blocks + sbi->s_zmap_blocks) * sizeof(bh);
+       map = kzalloc(i, GFP_KERNEL);
+       if (!map)
+@@ -472,6 +490,13 @@ static struct inode *V1_minix_iget(struct inode *inode)
+               iget_failed(inode);
+               return ERR_PTR(-EIO);
+       }
++      if (raw_inode->i_nlinks == 0) {
++              printk("MINIX-fs: deleted inode referenced: %lu\n",
++                     inode->i_ino);
++              brelse(bh);
++              iget_failed(inode);
++              return ERR_PTR(-ESTALE);
++      }
+       inode->i_mode = raw_inode->i_mode;
+       i_uid_write(inode, raw_inode->i_uid);
+       i_gid_write(inode, raw_inode->i_gid);
+@@ -505,6 +530,13 @@ static struct inode *V2_minix_iget(struct inode *inode)
+               iget_failed(inode);
+               return ERR_PTR(-EIO);
+       }
++      if (raw_inode->i_nlinks == 0) {
++              printk("MINIX-fs: deleted inode referenced: %lu\n",
++                     inode->i_ino);
++              brelse(bh);
++              iget_failed(inode);
++              return ERR_PTR(-ESTALE);
++      }
+       inode->i_mode = raw_inode->i_mode;
+       i_uid_write(inode, raw_inode->i_uid);
+       i_gid_write(inode, raw_inode->i_gid);
+diff --git a/fs/minix/itree_common.c b/fs/minix/itree_common.c
+index a731cabf1540e..3816427e89382 100644
+--- a/fs/minix/itree_common.c
++++ b/fs/minix/itree_common.c
+@@ -74,6 +74,7 @@ static int alloc_branch(struct inode *inode,
+       int n = 0;
+       int i;
+       int parent = minix_new_block(inode);
++      int err = -ENOSPC;
+ 
+       branch[0].key = cpu_to_block(parent);
+       if (parent) for (n = 1; n < num; n++) {
+@@ -84,6 +85,11 @@ static int alloc_branch(struct inode *inode,
+                       break;
+               branch[n].key = cpu_to_block(nr);
+               bh = sb_getblk(inode->i_sb, parent);
++              if (!bh) {
++                      minix_free_block(inode, nr);
++                      err = -ENOMEM;
++                      break;
++              }
+               lock_buffer(bh);
+               memset(bh->b_data, 0, bh->b_size);
+               branch[n].bh = bh;
+@@ -102,7 +108,7 @@ static int alloc_branch(struct inode *inode,
+               bforget(branch[i].bh);
+       for (i = 0; i < n; i++)
+               minix_free_block(inode, block_to_cpu(branch[i].key));
+-      return -ENOSPC;
++      return err;
+ }
+ 
+ static inline int splice_branch(struct inode *inode,
+diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
+index 0308b56896382..ca1702cefb852 100644
+--- a/fs/nfs/nfs4proc.c
++++ b/fs/nfs/nfs4proc.c
+@@ -4916,8 +4916,6 @@ static int _nfs4_get_security_label(struct inode *inode, 
void *buf,
+               return ret;
+       if (!(fattr.valid & NFS_ATTR_FATTR_V4_SECURITY_LABEL))
+               return -ENOENT;
+-      if (buflen < label.len)
+-              return -ERANGE;
+       return 0;
+ }
+ 
+@@ -6296,10 +6294,6 @@ static size_t nfs4_xattr_list_nfs4_acl(const struct 
xattr_handler *handler,
+ }
+ 
+ #ifdef CONFIG_NFS_V4_SECURITY_LABEL
+-static inline int nfs4_server_supports_labels(struct nfs_server *server)
+-{
+-      return server->caps & NFS_CAP_SECURITY_LABEL;
+-}
+ 
+ static int nfs4_xattr_set_nfs4_label(const struct xattr_handler *handler,
+                                    struct dentry *dentry, const char *key,
+@@ -6321,29 +6315,34 @@ static int nfs4_xattr_get_nfs4_label(const struct 
xattr_handler *handler,
+       return -EOPNOTSUPP;
+ }
+ 
+-static size_t nfs4_xattr_list_nfs4_label(const struct xattr_handler *handler,
+-                                       struct dentry *dentry, char *list,
+-                                       size_t list_len, const char *name,
+-                                       size_t name_len)
++static ssize_t
++nfs4_listxattr_nfs4_label(struct inode *inode, char *list, size_t list_len)
+ {
+-      size_t len = 0;
++      int len = 0;
+ 
+-      if (nfs_server_capable(d_inode(dentry), NFS_CAP_SECURITY_LABEL)) {
+-              len = security_inode_listsecurity(d_inode(dentry), NULL, 0);
+-              if (list && len <= list_len)
+-                      security_inode_listsecurity(d_inode(dentry), list, len);
++      if (nfs_server_capable(inode, NFS_CAP_SECURITY_LABEL)) {
++              len = security_inode_listsecurity(inode, list, list_len);
++              if (list_len && len > list_len)
++                      return -ERANGE;
+       }
+       return len;
+ }
+ 
+ static const struct xattr_handler nfs4_xattr_nfs4_label_handler = {
+       .prefix = XATTR_SECURITY_PREFIX,
+-      .list   = nfs4_xattr_list_nfs4_label,
+       .get    = nfs4_xattr_get_nfs4_label,
+       .set    = nfs4_xattr_set_nfs4_label,
+ };
+-#endif
+ 
++#else
++
++static ssize_t
++nfs4_listxattr_nfs4_label(struct inode *inode, char *list, size_t list_len)
++{
++      return 0;
++}
++
++#endif
+ 
+ /*
+  * nfs_fhget will use either the mounted_on_fileid or the fileid
+@@ -8773,6 +8772,24 @@ const struct nfs4_minor_version_ops *nfs_v4_minor_ops[] 
= {
+ #endif
+ };
+ 
++ssize_t nfs4_listxattr(struct dentry *dentry, char *list, size_t size)
++{
++      ssize_t error, error2;
++
++      error = generic_listxattr(dentry, list, size);
++      if (error < 0)
++              return error;
++      if (list) {
++              list += error;
++              size -= error;
++      }
++
++      error2 = nfs4_listxattr_nfs4_label(d_inode(dentry), list, size);
++      if (error2 < 0)
++              return error2;
++      return error + error2;
++}
++
+ static const struct inode_operations nfs4_dir_inode_operations = {
+       .create         = nfs_create,
+       .lookup         = nfs_lookup,
+@@ -8789,7 +8806,7 @@ static const struct inode_operations 
nfs4_dir_inode_operations = {
+       .setattr        = nfs_setattr,
+       .getxattr       = generic_getxattr,
+       .setxattr       = generic_setxattr,
+-      .listxattr      = generic_listxattr,
++      .listxattr      = nfs4_listxattr,
+       .removexattr    = generic_removexattr,
+ };
+ 
+@@ -8799,7 +8816,7 @@ static const struct inode_operations 
nfs4_file_inode_operations = {
+       .setattr        = nfs_setattr,
+       .getxattr       = generic_getxattr,
+       .setxattr       = generic_setxattr,
+-      .listxattr      = generic_listxattr,
++      .listxattr      = nfs4_listxattr,
+       .removexattr    = generic_removexattr,
+ };
+ 
+diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
+index 15cd9db6d616d..28c1b765e4444 100644
+--- a/fs/nfs/nfs4xdr.c
++++ b/fs/nfs/nfs4xdr.c
+@@ -4158,7 +4158,11 @@ static int decode_attr_security_label(struct xdr_stream 
*xdr, uint32_t *bitmap,
+                       goto out_overflow;
+               if (len < NFS4_MAXLABELLEN) {
+                       if (label) {
+-                              memcpy(label->label, p, len);
++                              if (label->len) {
++                                      if (label->len < len)
++                                              return -ERANGE;
++                                      memcpy(label->label, p, len);
++                              }
+                               label->len = len;
+                               label->pi = pi;
+                               label->lfs = lfs;
+diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
+index 2495066a9ca3f..9e7f39b17e679 100644
+--- a/fs/ocfs2/ocfs2.h
++++ b/fs/ocfs2/ocfs2.h
+@@ -337,8 +337,8 @@ struct ocfs2_super
+       spinlock_t osb_lock;
+       u32 s_next_generation;
+       unsigned long osb_flags;
+-      s16 s_inode_steal_slot;
+-      s16 s_meta_steal_slot;
++      u16 s_inode_steal_slot;
++      u16 s_meta_steal_slot;
+       atomic_t s_num_inodes_stolen;
+       atomic_t s_num_meta_stolen;
+ 
+diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
+index 28cc343bf6e3b..41a67c9b37e02 100644
+--- a/fs/ocfs2/suballoc.c
++++ b/fs/ocfs2/suballoc.c
+@@ -895,9 +895,9 @@ static void __ocfs2_set_steal_slot(struct ocfs2_super 
*osb, int slot, int type)
+ {
+       spin_lock(&osb->osb_lock);
+       if (type == INODE_ALLOC_SYSTEM_INODE)
+-              osb->s_inode_steal_slot = slot;
++              osb->s_inode_steal_slot = (u16)slot;
+       else if (type == EXTENT_ALLOC_SYSTEM_INODE)
+-              osb->s_meta_steal_slot = slot;
++              osb->s_meta_steal_slot = (u16)slot;
+       spin_unlock(&osb->osb_lock);
+ }
+ 
+diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
+index 4f5141350af86..d97403bb36226 100644
+--- a/fs/ocfs2/super.c
++++ b/fs/ocfs2/super.c
+@@ -96,7 +96,7 @@ struct mount_options
+       unsigned long   commit_interval;
+       unsigned long   mount_opt;
+       unsigned int    atime_quantum;
+-      signed short    slot;
++      unsigned short  slot;
+       int             localalloc_opt;
+       unsigned int    resv_level;
+       int             dir_resv_level;
+@@ -1372,7 +1372,7 @@ static int ocfs2_parse_options(struct super_block *sb,
+                               goto bail;
+                       }
+                       if (option)
+-                              mopt->slot = (s16)option;
++                              mopt->slot = (u16)option;
+                       break;
+               case Opt_commit:
+                       option = 0;
+diff --git a/fs/ufs/super.c b/fs/ufs/super.c
+index 10f364490833e..be68b48de1cc6 100644
+--- a/fs/ufs/super.c
++++ b/fs/ufs/super.c
+@@ -99,7 +99,7 @@ static struct inode *ufs_nfs_get_inode(struct super_block 
*sb, u64 ino, u32 gene
+       struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
+       struct inode *inode;
+ 
+-      if (ino < UFS_ROOTINO || ino > uspi->s_ncg * uspi->s_ipg)
++      if (ino < UFS_ROOTINO || ino > (u64)uspi->s_ncg * uspi->s_ipg)
+               return ERR_PTR(-ESTALE);
+ 
+       inode = ufs_iget(sb, ino);
+diff --git a/fs/xattr.c b/fs/xattr.c
+index 09441c396798d..5ba5565609eed 100644
+--- a/fs/xattr.c
++++ b/fs/xattr.c
+@@ -735,6 +735,8 @@ generic_listxattr(struct dentry *dentry, char *buffer, 
size_t buffer_size)
+ 
+       if (!buffer) {
+               for_each_xattr_handler(handlers, handler) {
++                      if (!handler->list)
++                              continue;
+                       size += handler->list(handler, dentry, NULL, 0,
+                                             NULL, 0);
+               }
+@@ -742,6 +744,8 @@ generic_listxattr(struct dentry *dentry, char *buffer, 
size_t buffer_size)
+               char *buf = buffer;
+ 
+               for_each_xattr_handler(handlers, handler) {
++                      if (!handler->list)
++                              continue;
+                       size = handler->list(handler, dentry, buf, buffer_size,
+                                            NULL, 0);
+                       if (size > buffer_size)
+diff --git a/fs/xfs/libxfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c
+index 01a5ecfedfcf1..445a3f2f871fb 100644
+--- a/fs/xfs/libxfs/xfs_attr_leaf.c
++++ b/fs/xfs/libxfs/xfs_attr_leaf.c
+@@ -779,9 +779,8 @@ xfs_attr_shortform_to_leaf(xfs_da_args_t *args)
+       ASSERT(blkno == 0);
+       error = xfs_attr3_leaf_create(args, blkno, &bp);
+       if (error) {
+-              error = xfs_da_shrink_inode(args, 0, bp);
+-              bp = NULL;
+-              if (error)
++              /* xfs_attr3_leaf_create may not have instantiated a block */
++              if (bp && (xfs_da_shrink_inode(args, 0, bp) != 0))
+                       goto out;
+               xfs_idata_realloc(dp, size, XFS_ATTR_FORK);     /* try to put */
+               memcpy(ifp->if_u1.if_data, tmpbuffer, size);    /* it back */
+diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
+index 27dbab59f034c..d86ac620f0aac 100644
+--- a/include/linux/intel-iommu.h
++++ b/include/linux/intel-iommu.h
+@@ -317,8 +317,8 @@ enum {
+ 
+ #define QI_DEV_EIOTLB_ADDR(a) ((u64)(a) & VTD_PAGE_MASK)
+ #define QI_DEV_EIOTLB_SIZE    (((u64)1) << 11)
+-#define QI_DEV_EIOTLB_GLOB(g) ((u64)g)
+-#define QI_DEV_EIOTLB_PASID(p)        (((u64)p) << 32)
++#define QI_DEV_EIOTLB_GLOB(g) ((u64)(g) & 0x1)
++#define QI_DEV_EIOTLB_PASID(p)        ((u64)((p) & 0xfffff) << 32)
+ #define QI_DEV_EIOTLB_SID(sid)        ((u64)((sid) & 0xffff) << 16)
+ #define QI_DEV_EIOTLB_QDEP(qd)        ((u64)((qd) & 0x1f) << 4)
+ #define QI_DEV_EIOTLB_PFSID(pfsid) (((u64)(pfsid & 0xf) << 12) | \
+diff --git a/include/linux/prandom.h b/include/linux/prandom.h
+new file mode 100644
+index 0000000000000..aa16e6468f91e
+--- /dev/null
++++ b/include/linux/prandom.h
+@@ -0,0 +1,78 @@
++/* SPDX-License-Identifier: GPL-2.0 */
++/*
++ * include/linux/prandom.h
++ *
++ * Include file for the fast pseudo-random 32-bit
++ * generation.
++ */
++#ifndef _LINUX_PRANDOM_H
++#define _LINUX_PRANDOM_H
++
++#include <linux/types.h>
++#include <linux/percpu.h>
++
++u32 prandom_u32(void);
++void prandom_bytes(void *buf, size_t nbytes);
++void prandom_seed(u32 seed);
++void prandom_reseed_late(void);
++
++struct rnd_state {
++      __u32 s1, s2, s3, s4;
++};
++
++DECLARE_PER_CPU(struct rnd_state, net_rand_state);
++
++u32 prandom_u32_state(struct rnd_state *state);
++void prandom_bytes_state(struct rnd_state *state, void *buf, size_t nbytes);
++void prandom_seed_full_state(struct rnd_state __percpu *pcpu_state);
++
++#define prandom_init_once(pcpu_state)                 \
++      DO_ONCE(prandom_seed_full_state, (pcpu_state))
++
++/**
++ * prandom_u32_max - returns a pseudo-random number in interval [0, ep_ro)
++ * @ep_ro: right open interval endpoint
++ *
++ * Returns a pseudo-random number that is in interval [0, ep_ro). Note
++ * that the result depends on PRNG being well distributed in [0, ~0U]
++ * u32 space. Here we use maximally equidistributed combined Tausworthe
++ * generator, that is, prandom_u32(). This is useful when requesting a
++ * random index of an array containing ep_ro elements, for example.
++ *
++ * Returns: pseudo-random number in interval [0, ep_ro)
++ */
++static inline u32 prandom_u32_max(u32 ep_ro)
++{
++      return (u32)(((u64) prandom_u32() * ep_ro) >> 32);
++}
++
++/*
++ * Handle minimum values for seeds
++ */
++static inline u32 __seed(u32 x, u32 m)
++{
++      return (x < m) ? x + m : x;
++}
++
++/**
++ * prandom_seed_state - set seed for prandom_u32_state().
++ * @state: pointer to state structure to receive the seed.
++ * @seed: arbitrary 64-bit value to use as a seed.
++ */
++static inline void prandom_seed_state(struct rnd_state *state, u64 seed)
++{
++      u32 i = (seed >> 32) ^ (seed << 10) ^ seed;
++
++      state->s1 = __seed(i,   2U);
++      state->s2 = __seed(i,   8U);
++      state->s3 = __seed(i,  16U);
++      state->s4 = __seed(i, 128U);
++}
++
++/* Pseudo random number generator from numerical recipes. */
++static inline u32 next_pseudo_random32(u32 seed)
++{
++      return seed * 1664525 + 1013904223;
++}
++
++#endif
+diff --git a/include/linux/random.h b/include/linux/random.h
+index 9c29122037f95..2fa4207fd0677 100644
+--- a/include/linux/random.h
++++ b/include/linux/random.h
+@@ -37,61 +37,12 @@ unsigned int get_random_int(void);
+ unsigned long get_random_long(void);
+ unsigned long randomize_range(unsigned long start, unsigned long end, 
unsigned long len);
+ 
+-u32 prandom_u32(void);
+-void prandom_bytes(void *buf, size_t nbytes);
+-void prandom_seed(u32 seed);
+-void prandom_reseed_late(void);
+-
+-struct rnd_state {
+-      __u32 s1, s2, s3, s4;
+-};
+-
+-u32 prandom_u32_state(struct rnd_state *state);
+-void prandom_bytes_state(struct rnd_state *state, void *buf, size_t nbytes);
+-void prandom_seed_full_state(struct rnd_state __percpu *pcpu_state);
+-
+-#define prandom_init_once(pcpu_state)                 \
+-      DO_ONCE(prandom_seed_full_state, (pcpu_state))
+-
+-/**
+- * prandom_u32_max - returns a pseudo-random number in interval [0, ep_ro)
+- * @ep_ro: right open interval endpoint
+- *
+- * Returns a pseudo-random number that is in interval [0, ep_ro). Note
+- * that the result depends on PRNG being well distributed in [0, ~0U]
+- * u32 space. Here we use maximally equidistributed combined Tausworthe
+- * generator, that is, prandom_u32(). This is useful when requesting a
+- * random index of an array containing ep_ro elements, for example.
+- *
+- * Returns: pseudo-random number in interval [0, ep_ro)
+- */
+-static inline u32 prandom_u32_max(u32 ep_ro)
+-{
+-      return (u32)(((u64) prandom_u32() * ep_ro) >> 32);
+-}
+-
+ /*
+- * Handle minimum values for seeds
++ * This is designed to be standalone for just prandom
++ * users, but for now we include it from <linux/random.h>
++ * for legacy reasons.
+  */
+-static inline u32 __seed(u32 x, u32 m)
+-{
+-      return (x < m) ? x + m : x;
+-}
+-
+-/**
+- * prandom_seed_state - set seed for prandom_u32_state().
+- * @state: pointer to state structure to receive the seed.
+- * @seed: arbitrary 64-bit value to use as a seed.
+- */
+-static inline void prandom_seed_state(struct rnd_state *state, u64 seed)
+-{
+-      u32 i = (seed >> 32) ^ (seed << 10) ^ seed;
+-
+-      state->s1 = __seed(i,   2U);
+-      state->s2 = __seed(i,   8U);
+-      state->s3 = __seed(i,  16U);
+-      state->s4 = __seed(i, 128U);
+-}
++#include <linux/prandom.h>
+ 
+ #ifdef CONFIG_ARCH_RANDOM
+ # include <asm/archrandom.h>
+@@ -122,10 +73,4 @@ static inline int arch_has_random_seed(void)
+ }
+ #endif
+ 
+-/* Pseudo random number generator from numerical recipes. */
+-static inline u32 next_pseudo_random32(u32 seed)
+-{
+-      return seed * 1664525 + 1013904223;
+-}
+-
+ #endif /* _LINUX_RANDOM_H */
+diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
+index 27e32b2b602fc..d7875d312f1f9 100644
+--- a/include/linux/tracepoint.h
++++ b/include/linux/tracepoint.h
+@@ -328,7 +328,7 @@ extern void syscall_unregfunc(void);
+               static const char *___tp_str __tracepoint_string = str; \
+               ___tp_str;                                              \
+       })
+-#define __tracepoint_string   __attribute__((section("__tracepoint_str")))
++#define __tracepoint_string   __attribute__((section("__tracepoint_str"), 
used))
+ #else
+ /*
+  * tracepoint_string() is used to save the string address for userspace
+diff --git a/include/net/addrconf.h b/include/net/addrconf.h
+index 27a1833c7b00f..efe48a27b7aba 100644
+--- a/include/net/addrconf.h
++++ b/include/net/addrconf.h
+@@ -239,6 +239,7 @@ int ipv6_sock_ac_join(struct sock *sk, int ifindex,
+                     const struct in6_addr *addr);
+ int ipv6_sock_ac_drop(struct sock *sk, int ifindex,
+                     const struct in6_addr *addr);
++void __ipv6_sock_ac_close(struct sock *sk);
+ void ipv6_sock_ac_close(struct sock *sk);
+ 
+ int __ipv6_dev_ac_inc(struct inet6_dev *idev, const struct in6_addr *addr);
+diff --git a/kernel/kprobes.c b/kernel/kprobes.c
+index 5bda113a3116c..9241a29a1f9de 100644
+--- a/kernel/kprobes.c
++++ b/kernel/kprobes.c
+@@ -2029,6 +2029,13 @@ static void kill_kprobe(struct kprobe *p)
+        * the original probed function (which will be freed soon) any more.
+        */
+       arch_remove_kprobe(p);
++
++      /*
++       * The module is going away. We should disarm the kprobe which
++       * is using ftrace.
++       */
++      if (kprobe_ftrace(p))
++              disarm_kprobe_ftrace(p);
+ }
+ 
+ /* Disable one kprobe */
+diff --git a/kernel/time/timer.c b/kernel/time/timer.c
+index 3d7588a2e97c6..43bee4993187c 100644
+--- a/kernel/time/timer.c
++++ b/kernel/time/timer.c
+@@ -42,6 +42,7 @@
+ #include <linux/sched/sysctl.h>
+ #include <linux/slab.h>
+ #include <linux/compat.h>
++#include <linux/random.h>
+ 
+ #include <asm/uaccess.h>
+ #include <asm/unistd.h>
+@@ -1431,6 +1432,13 @@ void update_process_times(int user_tick)
+ #endif
+       scheduler_tick();
+       run_posix_cpu_timers(p);
++
++      /* The current CPU might make use of net randoms without receiving IRQs
++       * to renew them often enough. Let's update the net_rand_state from a
++       * non-constant value that's not affine to the number of calls to make
++       * sure it's updated when there's some activity (we don't care in idle).
++       */
++      this_cpu_add(net_rand_state.s1, rol32(jiffies, 24) + user_tick);
+ }
+ 
+ /*
+diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
+index c6368ae93fe6e..f50d63f67899a 100644
+--- a/lib/dynamic_debug.c
++++ b/lib/dynamic_debug.c
+@@ -85,22 +85,22 @@ static struct { unsigned flag:8; char opt_char; } 
opt_array[] = {
+       { _DPRINTK_FLAGS_NONE, '_' },
+ };
+ 
++struct flagsbuf { char buf[ARRAY_SIZE(opt_array)+1]; };
++
+ /* format a string into buf[] which describes the _ddebug's flags */
+-static char *ddebug_describe_flags(struct _ddebug *dp, char *buf,
+-                                  size_t maxlen)
++static char *ddebug_describe_flags(unsigned int flags, struct flagsbuf *fb)
+ {
+-      char *p = buf;
++      char *p = fb->buf;
+       int i;
+ 
+-      BUG_ON(maxlen < 6);
+       for (i = 0; i < ARRAY_SIZE(opt_array); ++i)
+-              if (dp->flags & opt_array[i].flag)
++              if (flags & opt_array[i].flag)
+                       *p++ = opt_array[i].opt_char;
+-      if (p == buf)
++      if (p == fb->buf)
+               *p++ = '_';
+       *p = '\0';
+ 
+-      return buf;
++      return fb->buf;
+ }
+ 
+ #define vpr_info(fmt, ...)                                    \
+@@ -142,7 +142,7 @@ static int ddebug_change(const struct ddebug_query *query,
+       struct ddebug_table *dt;
+       unsigned int newflags;
+       unsigned int nfound = 0;
+-      char flagbuf[10];
++      struct flagsbuf fbuf;
+ 
+       /* search for matching ddebugs */
+       mutex_lock(&ddebug_lock);
+@@ -192,8 +192,7 @@ static int ddebug_change(const struct ddebug_query *query,
+                       vpr_info("changed %s:%d [%s]%s =%s\n",
+                                trim_prefix(dp->filename), dp->lineno,
+                                dt->mod_name, dp->function,
+-                               ddebug_describe_flags(dp, flagbuf,
+-                                                     sizeof(flagbuf)));
++                               ddebug_describe_flags(dp->flags, &fbuf));
+               }
+       }
+       mutex_unlock(&ddebug_lock);
+@@ -777,7 +776,7 @@ static int ddebug_proc_show(struct seq_file *m, void *p)
+ {
+       struct ddebug_iter *iter = m->private;
+       struct _ddebug *dp = p;
+-      char flagsbuf[10];
++      struct flagsbuf flags;
+ 
+       vpr_info("called m=%p p=%p\n", m, p);
+ 
+@@ -790,7 +789,7 @@ static int ddebug_proc_show(struct seq_file *m, void *p)
+       seq_printf(m, "%s:%u [%s]%s =%s \"",
+                  trim_prefix(dp->filename), dp->lineno,
+                  iter->table->mod_name, dp->function,
+-                 ddebug_describe_flags(dp, flagsbuf, sizeof(flagsbuf)));
++                 ddebug_describe_flags(dp->flags, &flags));
+       seq_escape(m, dp->format, "\t\r\n\"");
+       seq_puts(m, "\"\n");
+ 
+diff --git a/lib/random32.c b/lib/random32.c
+index 12111910ccd07..8072ccd9eed58 100644
+--- a/lib/random32.c
++++ b/lib/random32.c
+@@ -47,7 +47,7 @@ static inline void prandom_state_selftest(void)
+ }
+ #endif
+ 
+-static DEFINE_PER_CPU(struct rnd_state, net_rand_state);
++DEFINE_PER_CPU(struct rnd_state, net_rand_state);
+ 
+ /**
+  *    prandom_u32_state - seeded pseudo-random number generator.
+diff --git a/mm/mmap.c b/mm/mmap.c
+index a24e424770012..135cccce41f88 100644
+--- a/mm/mmap.c
++++ b/mm/mmap.c
+@@ -2954,6 +2954,7 @@ void exit_mmap(struct mm_struct *mm)
+               if (vma->vm_flags & VM_ACCOUNT)
+                       nr_accounted += vma_pages(vma);
+               vma = remove_vma(vma);
++              cond_resched();
+       }
+       vm_unacct_memory(nr_accounted);
+ }
+diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
+index 2f68ffda3715b..eab058f93ec97 100644
+--- a/net/9p/trans_fd.c
++++ b/net/9p/trans_fd.c
+@@ -793,20 +793,28 @@ static int p9_fd_open(struct p9_client *client, int rfd, 
int wfd)
+               return -ENOMEM;
+ 
+       ts->rd = fget(rfd);
++      if (!ts->rd)
++              goto out_free_ts;
++      if (!(ts->rd->f_mode & FMODE_READ))
++              goto out_put_rd;
+       ts->wr = fget(wfd);
+-      if (!ts->rd || !ts->wr) {
+-              if (ts->rd)
+-                      fput(ts->rd);
+-              if (ts->wr)
+-                      fput(ts->wr);
+-              kfree(ts);
+-              return -EIO;
+-      }
++      if (!ts->wr)
++              goto out_put_rd;
++      if (!(ts->wr->f_mode & FMODE_WRITE))
++              goto out_put_wr;
+ 
+       client->trans = ts;
+       client->status = Connected;
+ 
+       return 0;
++
++out_put_wr:
++      fput(ts->wr);
++out_put_rd:
++      fput(ts->rd);
++out_free_ts:
++      kfree(ts);
++      return -EIO;
+ }
+ 
+ static int p9_socket_open(struct p9_client *client, struct socket *csocket)
+diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c
+index 4cd6b8d811ffa..11602902884ba 100644
+--- a/net/bluetooth/6lowpan.c
++++ b/net/bluetooth/6lowpan.c
+@@ -57,6 +57,7 @@ static bool enable_6lowpan;
+ /* We are listening incoming connections via this channel
+  */
+ static struct l2cap_chan *listen_chan;
++static DEFINE_MUTEX(set_lock);
+ 
+ struct lowpan_peer {
+       struct list_head list;
+@@ -1195,12 +1196,14 @@ static void do_enable_set(struct work_struct *work)
+ 
+       enable_6lowpan = set_enable->flag;
+ 
++      mutex_lock(&set_lock);
+       if (listen_chan) {
+               l2cap_chan_close(listen_chan, 0);
+               l2cap_chan_put(listen_chan);
+       }
+ 
+       listen_chan = bt_6lowpan_listen();
++      mutex_unlock(&set_lock);
+ 
+       kfree(set_enable);
+ }
+@@ -1252,11 +1255,13 @@ static ssize_t lowpan_control_write(struct file *fp,
+               if (ret == -EINVAL)
+                       return ret;
+ 
++              mutex_lock(&set_lock);
+               if (listen_chan) {
+                       l2cap_chan_close(listen_chan, 0);
+                       l2cap_chan_put(listen_chan);
+                       listen_chan = NULL;
+               }
++              mutex_unlock(&set_lock);
+ 
+               if (conn) {
+                       struct lowpan_peer *peer;
+diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
+index 1d957c7f17836..16cf5633eae3e 100644
+--- a/net/bluetooth/hci_event.c
++++ b/net/bluetooth/hci_event.c
+@@ -2094,7 +2094,7 @@ static void hci_inquiry_result_evt(struct hci_dev *hdev, 
struct sk_buff *skb)
+ 
+       BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
+ 
+-      if (!num_rsp)
++      if (!num_rsp || skb->len < num_rsp * sizeof(*info) + 1)
+               return;
+ 
+       if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ))
+@@ -3609,6 +3609,9 @@ static void hci_inquiry_result_with_rssi_evt(struct 
hci_dev *hdev,
+               struct inquiry_info_with_rssi_and_pscan_mode *info;
+               info = (void *) (skb->data + 1);
+ 
++              if (skb->len < num_rsp * sizeof(*info) + 1)
++                      goto unlock;
++
+               for (; num_rsp; num_rsp--, info++) {
+                       u32 flags;
+ 
+@@ -3630,6 +3633,9 @@ static void hci_inquiry_result_with_rssi_evt(struct 
hci_dev *hdev,
+       } else {
+               struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
+ 
++              if (skb->len < num_rsp * sizeof(*info) + 1)
++                      goto unlock;
++
+               for (; num_rsp; num_rsp--, info++) {
+                       u32 flags;
+ 
+@@ -3650,6 +3656,7 @@ static void hci_inquiry_result_with_rssi_evt(struct 
hci_dev *hdev,
+               }
+       }
+ 
++unlock:
+       hci_dev_unlock(hdev);
+ }
+ 
+@@ -3812,7 +3819,7 @@ static void hci_extended_inquiry_result_evt(struct 
hci_dev *hdev,
+ 
+       BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
+ 
+-      if (!num_rsp)
++      if (!num_rsp || skb->len < num_rsp * sizeof(*info) + 1)
+               return;
+ 
+       if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ))
+diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
+index 09b01b888583e..9ec666dbdfc75 100644
+--- a/net/ipv4/fib_trie.c
++++ b/net/ipv4/fib_trie.c
+@@ -1696,7 +1696,7 @@ struct fib_table *fib_trie_unmerge(struct fib_table 
*oldtb)
+       while ((l = leaf_walk_rcu(&tp, key)) != NULL) {
+               struct key_vector *local_l = NULL, *local_tp;
+ 
+-              hlist_for_each_entry_rcu(fa, &l->leaf, fa_list) {
++              hlist_for_each_entry(fa, &l->leaf, fa_list) {
+                       struct fib_alias *new_fa;
+ 
+                       if (local_tb->tb_id != fa->tb_id)
+diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
+index 5464fd2102302..0d9f9d6251245 100644
+--- a/net/ipv4/udp.c
++++ b/net/ipv4/udp.c
+@@ -1589,8 +1589,7 @@ int udp_queue_rcv_skb(struct sock *sk, struct sk_buff 
*skb)
+               }
+       }
+ 
+-      if (rcu_access_pointer(sk->sk_filter) &&
+-          udp_lib_checksum_complete(skb))
++      if (udp_lib_checksum_complete(skb))
+               goto csum_error;
+ 
+       if (sk_rcvqueues_full(sk, sk->sk_rcvbuf)) {
+diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
+index 514ac259f5433..b831e9b2e9063 100644
+--- a/net/ipv6/anycast.c
++++ b/net/ipv6/anycast.c
+@@ -170,7 +170,7 @@ int ipv6_sock_ac_drop(struct sock *sk, int ifindex, const 
struct in6_addr *addr)
+       return 0;
+ }
+ 
+-void ipv6_sock_ac_close(struct sock *sk)
++void __ipv6_sock_ac_close(struct sock *sk)
+ {
+       struct ipv6_pinfo *np = inet6_sk(sk);
+       struct net_device *dev = NULL;
+@@ -178,10 +178,7 @@ void ipv6_sock_ac_close(struct sock *sk)
+       struct net *net = sock_net(sk);
+       int     prev_index;
+ 
+-      if (!np->ipv6_ac_list)
+-              return;
+-
+-      rtnl_lock();
++      ASSERT_RTNL();
+       pac = np->ipv6_ac_list;
+       np->ipv6_ac_list = NULL;
+ 
+@@ -198,6 +195,16 @@ void ipv6_sock_ac_close(struct sock *sk)
+               sock_kfree_s(sk, pac, sizeof(*pac));
+               pac = next;
+       }
++}
++
++void ipv6_sock_ac_close(struct sock *sk)
++{
++      struct ipv6_pinfo *np = inet6_sk(sk);
++
++      if (!np->ipv6_ac_list)
++              return;
++      rtnl_lock();
++      __ipv6_sock_ac_close(sk);
+       rtnl_unlock();
+ }
+ 
+diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
+index f072a4c4575c6..96563990d6544 100644
+--- a/net/ipv6/ip6_tunnel.c
++++ b/net/ipv6/ip6_tunnel.c
+@@ -972,26 +972,28 @@ static int ip6_tnl_xmit2(struct sk_buff *skb,
+ 
+       /* NBMA tunnel */
+       if (ipv6_addr_any(&t->parms.raddr)) {
+-              struct in6_addr *addr6;
+-              struct neighbour *neigh;
+-              int addr_type;
++              if (skb->protocol == htons(ETH_P_IPV6)) {
++                      struct in6_addr *addr6;
++                      struct neighbour *neigh;
++                      int addr_type;
+ 
+-              if (!skb_dst(skb))
+-                      goto tx_err_link_failure;
++                      if (!skb_dst(skb))
++                              goto tx_err_link_failure;
+ 
+-              neigh = dst_neigh_lookup(skb_dst(skb),
+-                                       &ipv6_hdr(skb)->daddr);
+-              if (!neigh)
+-                      goto tx_err_link_failure;
++                      neigh = dst_neigh_lookup(skb_dst(skb),
++                                               &ipv6_hdr(skb)->daddr);
++                      if (!neigh)
++                              goto tx_err_link_failure;
+ 
+-              addr6 = (struct in6_addr *)&neigh->primary_key;
+-              addr_type = ipv6_addr_type(addr6);
++                      addr6 = (struct in6_addr *)&neigh->primary_key;
++                      addr_type = ipv6_addr_type(addr6);
+ 
+-              if (addr_type == IPV6_ADDR_ANY)
+-                      addr6 = &ipv6_hdr(skb)->daddr;
++                      if (addr_type == IPV6_ADDR_ANY)
++                              addr6 = &ipv6_hdr(skb)->daddr;
+ 
+-              memcpy(&fl6->daddr, addr6, sizeof(fl6->daddr));
+-              neigh_release(neigh);
++                      memcpy(&fl6->daddr, addr6, sizeof(fl6->daddr));
++                      neigh_release(neigh);
++              }
+       } else if (!fl6->flowi6_mark)
+               dst = dst_cache_get(&t->dst_cache);
+ 
+diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
+index 416b3660f818b..4a75013a2ede0 100644
+--- a/net/ipv6/ipv6_sockglue.c
++++ b/net/ipv6/ipv6_sockglue.c
+@@ -207,6 +207,7 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, 
int optname,
+ 
+                       fl6_free_socklist(sk);
+                       __ipv6_sock_mc_close(sk);
++                      __ipv6_sock_ac_close(sk);
+ 
+                       /*
+                        * Sock is moving from IPv6 to IPv4 (sk_prot), so
+diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
+index 79c583004575a..be570cd7c9aed 100644
+--- a/net/ipv6/udp.c
++++ b/net/ipv6/udp.c
+@@ -686,10 +686,8 @@ int udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff 
*skb)
+               }
+       }
+ 
+-      if (rcu_access_pointer(sk->sk_filter)) {
+-              if (udp_lib_checksum_complete(skb))
+-                      goto csum_error;
+-      }
++      if (udp_lib_checksum_complete(skb))
++              goto csum_error;
+ 
+       if (sk_rcvqueues_full(sk, sk->sk_rcvbuf)) {
+               UDP6_INC_STATS_BH(sock_net(sk),
+diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
+index cf3917c6da0a6..8360fda24bca0 100644
+--- a/net/mac80211/cfg.c
++++ b/net/mac80211/cfg.c
+@@ -1766,6 +1766,7 @@ static int ieee80211_leave_mesh(struct wiphy *wiphy, 
struct net_device *dev)
+       ieee80211_stop_mesh(sdata);
+       mutex_lock(&sdata->local->mtx);
+       ieee80211_vif_release_channel(sdata);
++      kfree(sdata->u.mesh.ie);
+       mutex_unlock(&sdata->local->mtx);
+ 
+       return 0;
+diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
+index a1f6cd1a496b5..bbddab248c489 100644
+--- a/net/mac80211/sta_info.c
++++ b/net/mac80211/sta_info.c
+@@ -906,7 +906,7 @@ static void __sta_info_destroy_part2(struct sta_info *sta)
+       might_sleep();
+       lockdep_assert_held(&local->sta_mtx);
+ 
+-      while (sta->sta_state == IEEE80211_STA_AUTHORIZED) {
++      if (sta->sta_state == IEEE80211_STA_AUTHORIZED) {
+               ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
+               WARN_ON_ONCE(ret);
+       }
+diff --git a/net/nfc/rawsock.c b/net/nfc/rawsock.c
+index e386e6c90b179..574af981806fa 100644
+--- a/net/nfc/rawsock.c
++++ b/net/nfc/rawsock.c
+@@ -344,10 +344,13 @@ static int rawsock_create(struct net *net, struct socket 
*sock,
+       if ((sock->type != SOCK_SEQPACKET) && (sock->type != SOCK_RAW))
+               return -ESOCKTNOSUPPORT;
+ 
+-      if (sock->type == SOCK_RAW)
++      if (sock->type == SOCK_RAW) {
++              if (!capable(CAP_NET_RAW))
++                      return -EPERM;
+               sock->ops = &rawsock_raw_ops;
+-      else
++      } else {
+               sock->ops = &rawsock_ops;
++      }
+ 
+       sk = sk_alloc(net, PF_NFC, GFP_ATOMIC, nfc_proto->proto, kern);
+       if (!sk)
+diff --git a/net/rds/recv.c b/net/rds/recv.c
+index 6275de19689c2..9bf812509e0e9 100644
+--- a/net/rds/recv.c
++++ b/net/rds/recv.c
+@@ -301,12 +301,13 @@ static int rds_still_queued(struct rds_sock *rs, struct 
rds_incoming *inc,
+ int rds_notify_queue_get(struct rds_sock *rs, struct msghdr *msghdr)
+ {
+       struct rds_notifier *notifier;
+-      struct rds_rdma_notify cmsg = { 0 }; /* fill holes with zero */
++      struct rds_rdma_notify cmsg;
+       unsigned int count = 0, max_messages = ~0U;
+       unsigned long flags;
+       LIST_HEAD(copy);
+       int err = 0;
+ 
++      memset(&cmsg, 0, sizeof(cmsg)); /* fill holes with zero */
+ 
+       /* put_cmsg copies to user space and thus may sleep. We can't do this
+        * with rs_lock held, so first grab as many notifications as we can 
stuff
+diff --git a/net/socket.c b/net/socket.c
+index 88086d18c2086..1392461d391ad 100644
+--- a/net/socket.c
++++ b/net/socket.c
+@@ -456,7 +456,7 @@ static struct socket *sockfd_lookup_light(int fd, int 
*err, int *fput_needed)
+       if (f.file) {
+               sock = sock_from_file(f.file, err);
+               if (likely(sock)) {
+-                      *fput_needed = f.flags;
++                      *fput_needed = f.flags & FDPUT_FPUT;
+                       return sock;
+               }
+               fdput(f);
+diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
+index c6c168f20b0f2..55de35c4434a8 100644
+--- a/net/wireless/nl80211.c
++++ b/net/wireless/nl80211.c
+@@ -10180,13 +10180,13 @@ static int nl80211_vendor_cmd(struct sk_buff *skb, 
struct genl_info *info)
+                               if (!wdev->netdev && !wdev->p2p_started)
+                                       return -ENETDOWN;
+                       }
+-
+-                      if (!vcmd->doit)
+-                              return -EOPNOTSUPP;
+               } else {
+                       wdev = NULL;
+               }
+ 
++              if (!vcmd->doit)
++                      return -EOPNOTSUPP;
++
+               if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
+                       data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
+                       len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
+diff --git a/net/x25/x25_subr.c b/net/x25/x25_subr.c
+index 6b5af65f491fb..a3163645b5bd3 100644
+--- a/net/x25/x25_subr.c
++++ b/net/x25/x25_subr.c
+@@ -368,6 +368,12 @@ void x25_disconnect(struct sock *sk, int reason, unsigned 
char cause,
+               sk->sk_state_change(sk);
+               sock_set_flag(sk, SOCK_DEAD);
+       }
++      if (x25->neighbour) {
++              read_lock_bh(&x25_list_lock);
++              x25_neigh_put(x25->neighbour);
++              x25->neighbour = NULL;
++              read_unlock_bh(&x25_list_lock);
++      }
+ }
+ 
+ /*
+diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
+index 716433e630529..d37c1963e8ca3 100644
+--- a/security/smack/smack_lsm.c
++++ b/security/smack/smack_lsm.c
+@@ -1513,8 +1513,6 @@ static int smack_inode_getsecurity(const struct inode 
*inode,
+  * @inode: the object
+  * @buffer: where they go
+  * @buffer_size: size of buffer
+- *
+- * Returns 0 on success, -EINVAL otherwise
+  */
+ static int smack_inode_listsecurity(struct inode *inode, char *buffer,
+                                   size_t buffer_size)
+diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c
+index d186d24ac6490..df082648eb0aa 100644
+--- a/security/smack/smackfs.c
++++ b/security/smack/smackfs.c
+@@ -918,7 +918,7 @@ static ssize_t smk_set_cipso(struct file *file, const char 
__user *buf,
+       }
+ 
+       ret = sscanf(rule, "%d", &maplevel);
+-      if (ret != 1 || maplevel > SMACK_CIPSO_MAXLEVEL)
++      if (ret != 1 || maplevel < 0 || maplevel > SMACK_CIPSO_MAXLEVEL)
+               goto out;
+ 
+       rule += SMK_DIGITLEN;
+@@ -939,6 +939,10 @@ static ssize_t smk_set_cipso(struct file *file, const 
char __user *buf,
+ 
+       for (i = 0; i < catlen; i++) {
+               rule += SMK_DIGITLEN;
++              if (rule > data + count) {
++                      rc = -EOVERFLOW;
++                      goto out;
++              }
+               ret = sscanf(rule, "%u", &cat);
+               if (ret != 1 || cat > SMACK_CIPSO_MAXCATNUM)
+                       goto out;
+@@ -2791,7 +2795,6 @@ static int smk_open_relabel_self(struct inode *inode, 
struct file *file)
+ static ssize_t smk_write_relabel_self(struct file *file, const char __user 
*buf,
+                               size_t count, loff_t *ppos)
+ {
+-      struct task_smack *tsp = current_security();
+       char *data;
+       int rc;
+       LIST_HEAD(list_tmp);
+@@ -2821,11 +2824,21 @@ static ssize_t smk_write_relabel_self(struct file 
*file, const char __user *buf,
+       kfree(data);
+ 
+       if (!rc || (rc == -EINVAL && list_empty(&list_tmp))) {
++              struct cred *new;
++              struct task_smack *tsp;
++
++              new = prepare_creds();
++              if (!new) {
++                      rc = -ENOMEM;
++                      goto out;
++              }
++              tsp = new->security;
+               smk_destroy_label_list(&tsp->smk_relabel);
+               list_splice(&list_tmp, &tsp->smk_relabel);
++              commit_creds(new);
+               return count;
+       }
+-
++out:
+       smk_destroy_label_list(&list_tmp);
+       return rc;
+ }
+diff --git a/sound/core/seq/oss/seq_oss.c b/sound/core/seq/oss/seq_oss.c
+index cb23899100eed..8044775999eda 100644
+--- a/sound/core/seq/oss/seq_oss.c
++++ b/sound/core/seq/oss/seq_oss.c
+@@ -180,10 +180,16 @@ static long
+ odev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+ {
+       struct seq_oss_devinfo *dp;
++      long rc;
++
+       dp = file->private_data;
+       if (snd_BUG_ON(!dp))
+               return -ENXIO;
+-      return snd_seq_oss_ioctl(dp, cmd, arg);
++
++      mutex_lock(&register_mutex);
++      rc = snd_seq_oss_ioctl(dp, cmd, arg);
++      mutex_unlock(&register_mutex);
++      return rc;
+ }
+ 
+ #ifdef CONFIG_COMPAT
+diff --git a/sound/pci/echoaudio/echoaudio.c b/sound/pci/echoaudio/echoaudio.c
+index d73ee11a32bd0..db14ee43e461a 100644
+--- a/sound/pci/echoaudio/echoaudio.c
++++ b/sound/pci/echoaudio/echoaudio.c
+@@ -2215,7 +2215,6 @@ static int snd_echo_resume(struct device *dev)
+       if (err < 0) {
+               kfree(commpage_bak);
+               dev_err(dev, "resume init_hw err=%d\n", err);
+-              snd_echo_free(chip);
+               return err;
+       }
+ 
+@@ -2242,7 +2241,6 @@ static int snd_echo_resume(struct device *dev)
+       if (request_irq(pci->irq, snd_echo_interrupt, IRQF_SHARED,
+                       KBUILD_MODNAME, chip)) {
+               dev_err(chip->card->dev, "cannot grab irq\n");
+-              snd_echo_free(chip);
+               return -EBUSY;
+       }
+       chip->irq = pci->irq;
+diff --git a/sound/usb/card.h b/sound/usb/card.h
+index 71778ca4b26aa..b24f2efea1cb4 100644
+--- a/sound/usb/card.h
++++ b/sound/usb/card.h
+@@ -125,6 +125,7 @@ struct snd_usb_substream {
+       unsigned int tx_length_quirk:1; /* add length specifier to transfers */
+       unsigned int fmt_type;          /* USB audio format type (1-3) */
+       unsigned int pkt_offset_adj;    /* Bytes to drop from beginning of 
packets (for non-compliant devices) */
++      unsigned int stream_offset_adj; /* Bytes to drop from beginning of 
stream (for non-compliant devices) */
+ 
+       unsigned int running: 1;        /* running status */
+ 
+diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
+index 9646513f4b4ad..d0cd3ae0804d8 100644
+--- a/sound/usb/mixer_quirks.c
++++ b/sound/usb/mixer_quirks.c
+@@ -195,6 +195,7 @@ static const struct rc_config {
+       { USB_ID(0x041e, 0x3042), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 */
+       { USB_ID(0x041e, 0x30df), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 
Pro */
+       { USB_ID(0x041e, 0x3237), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 
Pro */
++      { USB_ID(0x041e, 0x3263), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 
Pro */
+       { USB_ID(0x041e, 0x3048), 2, 2, 6, 6,  2,  0x6e91 }, /* Toshiba SB0500 
*/
+ };
+ 
+diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
+index f84c55ecd0fb4..c97d9a537f763 100644
+--- a/sound/usb/pcm.c
++++ b/sound/usb/pcm.c
+@@ -1302,6 +1302,12 @@ static void retire_capture_urb(struct snd_usb_substream 
*subs,
+                       // continue;
+               }
+               bytes = urb->iso_frame_desc[i].actual_length;
++              if (subs->stream_offset_adj > 0) {
++                      unsigned int adj = min(subs->stream_offset_adj, bytes);
++                      cp += adj;
++                      bytes -= adj;
++                      subs->stream_offset_adj -= adj;
++              }
+               frames = bytes / stride;
+               if (!subs->txfr_quirk)
+                       bytes = frames * stride;
+diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
+index ec56ce3820619..689fd3103e5b6 100644
+--- a/sound/usb/quirks-table.h
++++ b/sound/usb/quirks-table.h
+@@ -3335,7 +3335,13 @@ AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"),
+  * with.
+  */
+ {
+-      USB_DEVICE(0x534d, 0x2109),
++      .match_flags = USB_DEVICE_ID_MATCH_DEVICE |
++                     USB_DEVICE_ID_MATCH_INT_CLASS |
++                     USB_DEVICE_ID_MATCH_INT_SUBCLASS,
++      .idVendor = 0x534d,
++      .idProduct = 0x2109,
++      .bInterfaceClass = USB_CLASS_AUDIO,
++      .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
+       .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+               .vendor_name = "MacroSilicon",
+               .product_name = "MS2109",
+@@ -3374,5 +3380,61 @@ AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"),
+               }
+       }
+ },
++{
++      /*
++       * PIONEER DJ DDJ-RB
++       * PCM is 4 channels out, 2 dummy channels in @ 44.1 fixed
++       * The feedback for the output is the dummy input.
++       */
++      USB_DEVICE_VENDOR_SPEC(0x2b73, 0x000e),
++      .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
++              .ifnum = QUIRK_ANY_INTERFACE,
++              .type = QUIRK_COMPOSITE,
++              .data = (const struct snd_usb_audio_quirk[]) {
++                      {
++                              .ifnum = 0,
++                              .type = QUIRK_AUDIO_FIXED_ENDPOINT,
++                              .data = &(const struct audioformat) {
++                                      .formats = SNDRV_PCM_FMTBIT_S24_3LE,
++                                      .channels = 4,
++                                      .iface = 0,
++                                      .altsetting = 1,
++                                      .altset_idx = 1,
++                                      .endpoint = 0x01,
++                                      .ep_attr = USB_ENDPOINT_XFER_ISOC|
++                                                 USB_ENDPOINT_SYNC_ASYNC,
++                                      .rates = SNDRV_PCM_RATE_44100,
++                                      .rate_min = 44100,
++                                      .rate_max = 44100,
++                                      .nr_rates = 1,
++                                      .rate_table = (unsigned int[]) { 44100 }
++                              }
++                      },
++                      {
++                              .ifnum = 0,
++                              .type = QUIRK_AUDIO_FIXED_ENDPOINT,
++                              .data = &(const struct audioformat) {
++                                      .formats = SNDRV_PCM_FMTBIT_S24_3LE,
++                                      .channels = 2,
++                                      .iface = 0,
++                                      .altsetting = 1,
++                                      .altset_idx = 1,
++                                      .endpoint = 0x82,
++                                      .ep_attr = USB_ENDPOINT_XFER_ISOC|
++                                               USB_ENDPOINT_SYNC_ASYNC|
++                                               USB_ENDPOINT_USAGE_IMPLICIT_FB,
++                                      .rates = SNDRV_PCM_RATE_44100,
++                                      .rate_min = 44100,
++                                      .rate_max = 44100,
++                                      .nr_rates = 1,
++                                      .rate_table = (unsigned int[]) { 44100 }
++                              }
++                      },
++                      {
++                              .ifnum = -1
++                      }
++              }
++      }
++},
+ 
+ #undef USB_DEVICE_VENDOR_SPEC
+diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
+index 47979c9c3e290..59529a9cab614 100644
+--- a/sound/usb/quirks.c
++++ b/sound/usb/quirks.c
+@@ -1122,6 +1122,9 @@ void snd_usb_set_format_quirk(struct snd_usb_substream 
*subs,
+       case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */
+               set_format_emu_quirk(subs, fmt);
+               break;
++      case USB_ID(0x534d, 0x2109): /* MacroSilicon MS2109 */
++              subs->stream_offset_adj = 2;
++              break;
+       }
+ }
+ 
+diff --git a/sound/usb/stream.c b/sound/usb/stream.c
+index 3b23102230c03..1ffc32fd3a9eb 100644
+--- a/sound/usb/stream.c
++++ b/sound/usb/stream.c
+@@ -95,6 +95,7 @@ static void snd_usb_init_substream(struct snd_usb_stream *as,
+       subs->tx_length_quirk = as->chip->tx_length_quirk;
+       subs->speed = snd_usb_get_speed(subs->dev);
+       subs->pkt_offset_adj = 0;
++      subs->stream_offset_adj = 0;
+ 
+       snd_usb_set_pcm_ops(as->pcm, stream);
+ 
+diff --git a/tools/lib/traceevent/event-parse.c 
b/tools/lib/traceevent/event-parse.c
+index 9954b069b3ca2..86455408c7e12 100644
+--- a/tools/lib/traceevent/event-parse.c
++++ b/tools/lib/traceevent/event-parse.c
+@@ -2752,6 +2752,7 @@ process_dynamic_array_len(struct event_format *event, 
struct print_arg *arg,
+       if (read_expected(EVENT_DELIM, ")") < 0)
+               goto out_err;
+ 
++      free_token(token);
+       type = read_token(&token);
+       *tok = token;
+ 

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