diff --git a/Documentation/devicetree/bindings/net/btusb.txt 
b/Documentation/devicetree/bindings/net/btusb.txt
index b1ad6ee68e90..c51dd99dc0d3 100644
--- a/Documentation/devicetree/bindings/net/btusb.txt
+++ b/Documentation/devicetree/bindings/net/btusb.txt
@@ -38,7 +38,7 @@ Following example uses irq pin number 3 of gpio0 for out of 
band wake-on-bt:
        compatible = "usb1286,204e";
        reg = <1>;
        interrupt-parent = <&gpio0>;
-       interrupt-name = "wakeup";
+       interrupt-names = "wakeup";
        interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
     };
 };
diff --git a/Documentation/devicetree/bindings/net/ethernet-controller.yaml 
b/Documentation/devicetree/bindings/net/ethernet-controller.yaml
index 0e7c31794ae6..4f78e9a6da60 100644
--- a/Documentation/devicetree/bindings/net/ethernet-controller.yaml
+++ b/Documentation/devicetree/bindings/net/ethernet-controller.yaml
@@ -190,6 +190,11 @@ properties:
                 Indicates that full-duplex is used. When absent, half
                 duplex is assumed.
 
+            pause:
+              $ref: /schemas/types.yaml#definitions/flag
+              description:
+                Indicates that pause should be enabled.
+
             asym-pause:
               $ref: /schemas/types.yaml#definitions/flag
               description:
diff --git a/Documentation/filesystems/sysfs.txt 
b/Documentation/filesystems/sysfs.txt
index ddf15b1b0d5a..33ec0a01450d 100644
--- a/Documentation/filesystems/sysfs.txt
+++ b/Documentation/filesystems/sysfs.txt
@@ -232,12 +232,10 @@ Other notes:
   is 4096. 
 
 - show() methods should return the number of bytes printed into the
-  buffer. This is the return value of scnprintf().
+  buffer.
 
-- show() must not use snprintf() when formatting the value to be
-  returned to user space. If you can guarantee that an overflow
-  will never happen you can use sprintf() otherwise you must use
-  scnprintf().
+- show() should only use sysfs_emit() or sysfs_emit_at() when formatting
+  the value to be returned to user space.
 
 - store() should return the number of bytes used from the buffer. If the
   entire buffer has been used, just return the count argument.
diff --git a/Makefile b/Makefile
index 80ff67e5f73a..c95435d78fcb 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 4
-SUBLEVEL = 102
+SUBLEVEL = 103
 EXTRAVERSION =
 NAME = Kleptomaniac Octopus
 
diff --git a/arch/arm/xen/p2m.c b/arch/arm/xen/p2m.c
index fd6e3aafe272..acb464547a54 100644
--- a/arch/arm/xen/p2m.c
+++ b/arch/arm/xen/p2m.c
@@ -93,12 +93,39 @@ int set_foreign_p2m_mapping(struct gnttab_map_grant_ref 
*map_ops,
        int i;
 
        for (i = 0; i < count; i++) {
+               struct gnttab_unmap_grant_ref unmap;
+               int rc;
+
                if (map_ops[i].status)
                        continue;
-               if (unlikely(!set_phys_to_machine(map_ops[i].host_addr >> 
XEN_PAGE_SHIFT,
-                                   map_ops[i].dev_bus_addr >> 
XEN_PAGE_SHIFT))) {
-                       return -ENOMEM;
-               }
+               if (likely(set_phys_to_machine(map_ops[i].host_addr >> 
XEN_PAGE_SHIFT,
+                                   map_ops[i].dev_bus_addr >> XEN_PAGE_SHIFT)))
+                       continue;
+
+               /*
+                * Signal an error for this slot. This in turn requires
+                * immediate unmapping.
+                */
+               map_ops[i].status = GNTST_general_error;
+               unmap.host_addr = map_ops[i].host_addr,
+               unmap.handle = map_ops[i].handle;
+               map_ops[i].handle = ~0;
+               if (map_ops[i].flags & GNTMAP_device_map)
+                       unmap.dev_bus_addr = map_ops[i].dev_bus_addr;
+               else
+                       unmap.dev_bus_addr = 0;
+
+               /*
+                * Pre-populate the status field, to be recognizable in
+                * the log message below.
+                */
+               unmap.status = 1;
+
+               rc = HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref,
+                                              &unmap, 1);
+               if (rc || unmap.status != GNTST_okay)
+                       pr_err_once("gnttab unmap failed: rc=%d st=%d\n",
+                                   rc, unmap.status);
        }
 
        return 0;
diff --git a/arch/arm64/kernel/module.lds b/arch/arm64/kernel/module.lds
index 22e36a21c113..09a0eef71d12 100644
--- a/arch/arm64/kernel/module.lds
+++ b/arch/arm64/kernel/module.lds
@@ -1,5 +1,5 @@
 SECTIONS {
-       .plt (NOLOAD) : { BYTE(0) }
-       .init.plt (NOLOAD) : { BYTE(0) }
-       .text.ftrace_trampoline (NOLOAD) : { BYTE(0) }
+       .plt 0 (NOLOAD) : { BYTE(0) }
+       .init.plt 0 (NOLOAD) : { BYTE(0) }
+       .text.ftrace_trampoline 0 (NOLOAD) : { BYTE(0) }
 }
diff --git a/arch/mips/include/asm/string.h b/arch/mips/include/asm/string.h
index 29030cb398ee..1de3bbce8e88 100644
--- a/arch/mips/include/asm/string.h
+++ b/arch/mips/include/asm/string.h
@@ -10,127 +10,6 @@
 #ifndef _ASM_STRING_H
 #define _ASM_STRING_H
 
-
-/*
- * Most of the inline functions are rather naive implementations so I just
- * didn't bother updating them for 64-bit ...
- */
-#ifdef CONFIG_32BIT
-
-#ifndef IN_STRING_C
-
-#define __HAVE_ARCH_STRCPY
-static __inline__ char *strcpy(char *__dest, __const__ char *__src)
-{
-  char *__xdest = __dest;
-
-  __asm__ __volatile__(
-       ".set\tnoreorder\n\t"
-       ".set\tnoat\n"
-       "1:\tlbu\t$1,(%1)\n\t"
-       "addiu\t%1,1\n\t"
-       "sb\t$1,(%0)\n\t"
-       "bnez\t$1,1b\n\t"
-       "addiu\t%0,1\n\t"
-       ".set\tat\n\t"
-       ".set\treorder"
-       : "=r" (__dest), "=r" (__src)
-       : "0" (__dest), "1" (__src)
-       : "memory");
-
-  return __xdest;
-}
-
-#define __HAVE_ARCH_STRNCPY
-static __inline__ char *strncpy(char *__dest, __const__ char *__src, size_t 
__n)
-{
-  char *__xdest = __dest;
-
-  if (__n == 0)
-    return __xdest;
-
-  __asm__ __volatile__(
-       ".set\tnoreorder\n\t"
-       ".set\tnoat\n"
-       "1:\tlbu\t$1,(%1)\n\t"
-       "subu\t%2,1\n\t"
-       "sb\t$1,(%0)\n\t"
-       "beqz\t$1,2f\n\t"
-       "addiu\t%0,1\n\t"
-       "bnez\t%2,1b\n\t"
-       "addiu\t%1,1\n"
-       "2:\n\t"
-       ".set\tat\n\t"
-       ".set\treorder"
-       : "=r" (__dest), "=r" (__src), "=r" (__n)
-       : "0" (__dest), "1" (__src), "2" (__n)
-       : "memory");
-
-  return __xdest;
-}
-
-#define __HAVE_ARCH_STRCMP
-static __inline__ int strcmp(__const__ char *__cs, __const__ char *__ct)
-{
-  int __res;
-
-  __asm__ __volatile__(
-       ".set\tnoreorder\n\t"
-       ".set\tnoat\n\t"
-       "lbu\t%2,(%0)\n"
-       "1:\tlbu\t$1,(%1)\n\t"
-       "addiu\t%0,1\n\t"
-       "bne\t$1,%2,2f\n\t"
-       "addiu\t%1,1\n\t"
-       "bnez\t%2,1b\n\t"
-       "lbu\t%2,(%0)\n\t"
-#if defined(CONFIG_CPU_R3000)
-       "nop\n\t"
-#endif
-       "move\t%2,$1\n"
-       "2:\tsubu\t%2,$1\n"
-       "3:\t.set\tat\n\t"
-       ".set\treorder"
-       : "=r" (__cs), "=r" (__ct), "=r" (__res)
-       : "0" (__cs), "1" (__ct));
-
-  return __res;
-}
-
-#endif /* !defined(IN_STRING_C) */
-
-#define __HAVE_ARCH_STRNCMP
-static __inline__ int
-strncmp(__const__ char *__cs, __const__ char *__ct, size_t __count)
-{
-       int __res;
-
-       __asm__ __volatile__(
-       ".set\tnoreorder\n\t"
-       ".set\tnoat\n"
-       "1:\tlbu\t%3,(%0)\n\t"
-       "beqz\t%2,2f\n\t"
-       "lbu\t$1,(%1)\n\t"
-       "subu\t%2,1\n\t"
-       "bne\t$1,%3,3f\n\t"
-       "addiu\t%0,1\n\t"
-       "bnez\t%3,1b\n\t"
-       "addiu\t%1,1\n"
-       "2:\n\t"
-#if defined(CONFIG_CPU_R3000)
-       "nop\n\t"
-#endif
-       "move\t%3,$1\n"
-       "3:\tsubu\t%3,$1\n\t"
-       ".set\tat\n\t"
-       ".set\treorder"
-       : "=r" (__cs), "=r" (__ct), "=r" (__count), "=r" (__res)
-       : "0" (__cs), "1" (__ct), "2" (__count));
-
-       return __res;
-}
-#endif /* CONFIG_32BIT */
-
 #define __HAVE_ARCH_MEMSET
 extern void *memset(void *__s, int __c, size_t __count);
 
diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile
index 996a934ece7d..d3cd9c4cadc2 100644
--- a/arch/mips/vdso/Makefile
+++ b/arch/mips/vdso/Makefile
@@ -16,12 +16,9 @@ ccflags-vdso := \
        $(filter -march=%,$(KBUILD_CFLAGS)) \
        $(filter -m%-float,$(KBUILD_CFLAGS)) \
        $(filter -mno-loongson-%,$(KBUILD_CFLAGS)) \
+       $(CLANG_FLAGS) \
        -D__VDSO__
 
-ifdef CONFIG_CC_IS_CLANG
-ccflags-vdso += $(filter --target=%,$(KBUILD_CFLAGS))
-endif
-
 #
 # The -fno-jump-tables flag only prevents the compiler from generating
 # jump tables but does not prevent the compiler from emitting absolute
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
index e5fcfb70cc7c..4d54aa70ea5f 100644
--- a/arch/parisc/kernel/irq.c
+++ b/arch/parisc/kernel/irq.c
@@ -376,7 +376,11 @@ static inline int eirr_to_irq(unsigned long eirr)
 /*
  * IRQ STACK - used for irq handler
  */
+#ifdef CONFIG_64BIT
+#define IRQ_STACK_SIZE      (4096 << 4) /* 64k irq stack size */
+#else
 #define IRQ_STACK_SIZE      (4096 << 3) /* 32k irq stack size */
+#endif
 
 union irq_stack_union {
        unsigned long stack[IRQ_STACK_SIZE/sizeof(unsigned long)];
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index b24c38090dd9..90760393a964 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -4002,6 +4002,9 @@ static const struct x86_cpu_desc isolation_ucodes[] = {
        INTEL_CPU_DESC(INTEL_FAM6_BROADWELL_X,           2, 0x0b000014),
        INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_X,             3, 0x00000021),
        INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_X,             4, 0x00000000),
+       INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_X,             5, 0x00000000),
+       INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_X,             6, 0x00000000),
+       INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_X,             7, 0x00000000),
        INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_L,             3, 0x0000007c),
        INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE,               3, 0x0000007c),
        INTEL_CPU_DESC(INTEL_FAM6_KABYLAKE,              9, 0x0000004e),
diff --git a/arch/x86/kernel/module.c b/arch/x86/kernel/module.c
index d5c72cb877b3..77dabedaa9d1 100644
--- a/arch/x86/kernel/module.c
+++ b/arch/x86/kernel/module.c
@@ -114,6 +114,7 @@ int apply_relocate(Elf32_Shdr *sechdrs,
                        *location += sym->st_value;
                        break;
                case R_386_PC32:
+               case R_386_PLT32:
                        /* Add the value, subtract its position */
                        *location += sym->st_value - (uint32_t)location;
                        break;
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 835b6fc0c1bb..b1b96d461bc7 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -477,6 +477,15 @@ static const struct dmi_system_id reboot_dmi_table[] 
__initconst = {
                },
        },
 
+       {       /* PCIe Wifi card isn't detected after reboot otherwise */
+               .callback = set_pci_reboot,
+               .ident = "Zotac ZBOX CI327 nano",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "NA"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "ZBOX-CI327NANO-GS-01"),
+               },
+       },
+
        /* Sony */
        {       /* Handle problems with rebooting on Sony VGN-Z540N */
                .callback = set_bios_reboot,
diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c
index ce7188cbdae5..1c3a1962cade 100644
--- a/arch/x86/tools/relocs.c
+++ b/arch/x86/tools/relocs.c
@@ -867,9 +867,11 @@ static int do_reloc32(struct section *sec, Elf_Rel *rel, 
Elf_Sym *sym,
        case R_386_PC32:
        case R_386_PC16:
        case R_386_PC8:
+       case R_386_PLT32:
                /*
-                * NONE can be ignored and PC relative relocations don't
-                * need to be adjusted.
+                * NONE can be ignored and PC relative relocations don't need
+                * to be adjusted. Because sym must be defined, R_386_PLT32 can
+                * be treated the same way as R_386_PC32.
                 */
                break;
 
@@ -910,9 +912,11 @@ static int do_reloc_real(struct section *sec, Elf_Rel 
*rel, Elf_Sym *sym,
        case R_386_PC32:
        case R_386_PC16:
        case R_386_PC8:
+       case R_386_PLT32:
                /*
-                * NONE can be ignored and PC relative relocations don't
-                * need to be adjusted.
+                * NONE can be ignored and PC relative relocations don't need
+                * to be adjusted. Because sym must be defined, R_386_PLT32 can
+                * be treated the same way as R_386_PC32.
                 */
                break;
 
diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c
index 7fe5be8e6d3d..12fcb3858303 100644
--- a/arch/x86/xen/p2m.c
+++ b/arch/x86/xen/p2m.c
@@ -714,6 +714,8 @@ int set_foreign_p2m_mapping(struct gnttab_map_grant_ref 
*map_ops,
 
        for (i = 0; i < count; i++) {
                unsigned long mfn, pfn;
+               struct gnttab_unmap_grant_ref unmap[2];
+               int rc;
 
                /* Do not add to override if the map failed. */
                if (map_ops[i].status != GNTST_okay ||
@@ -731,10 +733,46 @@ int set_foreign_p2m_mapping(struct gnttab_map_grant_ref 
*map_ops,
 
                WARN(pfn_to_mfn(pfn) != INVALID_P2M_ENTRY, "page must be 
ballooned");
 
-               if (unlikely(!set_phys_to_machine(pfn, FOREIGN_FRAME(mfn)))) {
-                       ret = -ENOMEM;
-                       goto out;
+               if (likely(set_phys_to_machine(pfn, FOREIGN_FRAME(mfn))))
+                       continue;
+
+               /*
+                * Signal an error for this slot. This in turn requires
+                * immediate unmapping.
+                */
+               map_ops[i].status = GNTST_general_error;
+               unmap[0].host_addr = map_ops[i].host_addr,
+               unmap[0].handle = map_ops[i].handle;
+               map_ops[i].handle = ~0;
+               if (map_ops[i].flags & GNTMAP_device_map)
+                       unmap[0].dev_bus_addr = map_ops[i].dev_bus_addr;
+               else
+                       unmap[0].dev_bus_addr = 0;
+
+               if (kmap_ops) {
+                       kmap_ops[i].status = GNTST_general_error;
+                       unmap[1].host_addr = kmap_ops[i].host_addr,
+                       unmap[1].handle = kmap_ops[i].handle;
+                       kmap_ops[i].handle = ~0;
+                       if (kmap_ops[i].flags & GNTMAP_device_map)
+                               unmap[1].dev_bus_addr = 
kmap_ops[i].dev_bus_addr;
+                       else
+                               unmap[1].dev_bus_addr = 0;
                }
+
+               /*
+                * Pre-populate both status fields, to be recognizable in
+                * the log message below.
+                */
+               unmap[0].status = 1;
+               unmap[1].status = 1;
+
+               rc = HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref,
+                                              unmap, 1 + !!kmap_ops);
+               if (rc || unmap[0].status != GNTST_okay ||
+                   unmap[1].status != GNTST_okay)
+                       pr_err_once("gnttab unmap failed: rc=%d st0=%d 
st1=%d\n",
+                                   rc, unmap[0].status, unmap[1].status);
        }
 
 out:
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index 83ad0b1fab30..0cece1f883eb 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -198,8 +198,8 @@ static int test_mb_aead_jiffies(struct test_mb_aead_data 
*data, int enc,
                        goto out;
        }
 
-       pr_cont("%d operations in %d seconds (%ld bytes)\n",
-               bcount * num_mb, secs, (long)bcount * blen * num_mb);
+       pr_cont("%d operations in %d seconds (%llu bytes)\n",
+               bcount * num_mb, secs, (u64)bcount * blen * num_mb);
 
 out:
        kfree(rc);
@@ -468,8 +468,8 @@ static int test_aead_jiffies(struct aead_request *req, int 
enc,
                        return ret;
        }
 
-       printk("%d operations in %d seconds (%ld bytes)\n",
-              bcount, secs, (long)bcount * blen);
+       pr_cont("%d operations in %d seconds (%llu bytes)\n",
+               bcount, secs, (u64)bcount * blen);
        return 0;
 }
 
@@ -759,8 +759,8 @@ static int test_mb_ahash_jiffies(struct test_mb_ahash_data 
*data, int blen,
                        goto out;
        }
 
-       pr_cont("%d operations in %d seconds (%ld bytes)\n",
-               bcount * num_mb, secs, (long)bcount * blen * num_mb);
+       pr_cont("%d operations in %d seconds (%llu bytes)\n",
+               bcount * num_mb, secs, (u64)bcount * blen * num_mb);
 
 out:
        kfree(rc);
@@ -1196,8 +1196,8 @@ static int test_mb_acipher_jiffies(struct 
test_mb_skcipher_data *data, int enc,
                        goto out;
        }
 
-       pr_cont("%d operations in %d seconds (%ld bytes)\n",
-               bcount * num_mb, secs, (long)bcount * blen * num_mb);
+       pr_cont("%d operations in %d seconds (%llu bytes)\n",
+               bcount * num_mb, secs, (u64)bcount * blen * num_mb);
 
 out:
        kfree(rc);
@@ -1434,8 +1434,8 @@ static int test_acipher_jiffies(struct skcipher_request 
*req, int enc,
                        return ret;
        }
 
-       pr_cont("%d operations in %d seconds (%ld bytes)\n",
-               bcount, secs, (long)bcount * blen);
+       pr_cont("%d operations in %d seconds (%llu bytes)\n",
+               bcount, secs, (u64)bcount * blen);
        return 0;
 }
 
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index f068bb5d650e..e11fddcb73b9 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -78,8 +78,7 @@ struct link_dead_args {
 #define NBD_RT_HAS_PID_FILE            3
 #define NBD_RT_HAS_CONFIG_REF          4
 #define NBD_RT_BOUND                   5
-#define NBD_RT_DESTROY_ON_DISCONNECT   6
-#define NBD_RT_DISCONNECT_ON_CLOSE     7
+#define NBD_RT_DISCONNECT_ON_CLOSE     6
 
 #define NBD_DESTROY_ON_DISCONNECT      0
 #define NBD_DISCONNECT_REQUESTED       1
@@ -1940,12 +1939,21 @@ static int nbd_genl_connect(struct sk_buff *skb, struct 
genl_info *info)
        if (info->attrs[NBD_ATTR_CLIENT_FLAGS]) {
                u64 flags = nla_get_u64(info->attrs[NBD_ATTR_CLIENT_FLAGS]);
                if (flags & NBD_CFLAG_DESTROY_ON_DISCONNECT) {
-                       set_bit(NBD_RT_DESTROY_ON_DISCONNECT,
-                               &config->runtime_flags);
-                       set_bit(NBD_DESTROY_ON_DISCONNECT, &nbd->flags);
-                       put_dev = true;
+                       /*
+                        * We have 1 ref to keep the device around, and then 1
+                        * ref for our current operation here, which will be
+                        * inherited by the config.  If we already have
+                        * DESTROY_ON_DISCONNECT set then we know we don't have
+                        * that extra ref already held so we don't need the
+                        * put_dev.
+                        */
+                       if (!test_and_set_bit(NBD_DESTROY_ON_DISCONNECT,
+                                             &nbd->flags))
+                               put_dev = true;
                } else {
-                       clear_bit(NBD_DESTROY_ON_DISCONNECT, &nbd->flags);
+                       if (test_and_clear_bit(NBD_DESTROY_ON_DISCONNECT,
+                                              &nbd->flags))
+                               refcount_inc(&nbd->refs);
                }
                if (flags & NBD_CFLAG_DISCONNECT_ON_CLOSE) {
                        set_bit(NBD_RT_DISCONNECT_ON_CLOSE,
@@ -2116,15 +2124,13 @@ static int nbd_genl_reconfigure(struct sk_buff *skb, 
struct genl_info *info)
        if (info->attrs[NBD_ATTR_CLIENT_FLAGS]) {
                u64 flags = nla_get_u64(info->attrs[NBD_ATTR_CLIENT_FLAGS]);
                if (flags & NBD_CFLAG_DESTROY_ON_DISCONNECT) {
-                       if (!test_and_set_bit(NBD_RT_DESTROY_ON_DISCONNECT,
-                                             &config->runtime_flags))
+                       if (!test_and_set_bit(NBD_DESTROY_ON_DISCONNECT,
+                                             &nbd->flags))
                                put_dev = true;
-                       set_bit(NBD_DESTROY_ON_DISCONNECT, &nbd->flags);
                } else {
-                       if (test_and_clear_bit(NBD_RT_DESTROY_ON_DISCONNECT,
-                                              &config->runtime_flags))
+                       if (test_and_clear_bit(NBD_DESTROY_ON_DISCONNECT,
+                                              &nbd->flags))
                                refcount_inc(&nbd->refs);
-                       clear_bit(NBD_DESTROY_ON_DISCONNECT, &nbd->flags);
                }
 
                if (flags & NBD_CFLAG_DISCONNECT_ON_CLOSE) {
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 36d49159140f..22aa432a68bf 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -1072,7 +1072,7 @@ static ssize_t mm_stat_show(struct device *dev,
                        zram->limit_pages << PAGE_SHIFT,
                        max_used << PAGE_SHIFT,
                        (u64)atomic64_read(&zram->stats.same_pages),
-                       pool_stats.pages_compacted,
+                       atomic_long_read(&pool_stats.pages_compacted),
                        (u64)atomic64_read(&zram->stats.huge_pages));
        up_read(&zram->init_lock);
 
diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c
index e11af747395d..bf3e23104194 100644
--- a/drivers/bluetooth/hci_h5.c
+++ b/drivers/bluetooth/hci_h5.c
@@ -894,6 +894,11 @@ static int h5_btrtl_setup(struct h5 *h5)
        /* Give the device some time before the hci-core sends it a reset */
        usleep_range(10000, 20000);
 
+       /* Enable controller to do both LE scan and BR/EDR inquiry
+        * simultaneously.
+        */
+       set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &h5->hu->hdev->quirks);
+
 out_free:
        btrtl_free(btrtl_dev);
 
diff --git a/drivers/gpu/drm/amd/amdgpu/cz_ih.c 
b/drivers/gpu/drm/amd/amdgpu/cz_ih.c
index 1dca0cabc326..13520d173296 100644
--- a/drivers/gpu/drm/amd/amdgpu/cz_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/cz_ih.c
@@ -193,19 +193,30 @@ static u32 cz_ih_get_wptr(struct amdgpu_device *adev,
 
        wptr = le32_to_cpu(*ih->wptr_cpu);
 
-       if (REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW)) {
-               wptr = REG_SET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW, 0);
-               /* When a ring buffer overflow happen start parsing interrupt
-                * from the last not overwritten vector (wptr + 16). Hopefully
-                * this should allow us to catchup.
-                */
-               dev_warn(adev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 
0x%08X)\n",
-                       wptr, ih->rptr, (wptr + 16) & ih->ptr_mask);
-               ih->rptr = (wptr + 16) & ih->ptr_mask;
-               tmp = RREG32(mmIH_RB_CNTL);
-               tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1);
-               WREG32(mmIH_RB_CNTL, tmp);
-       }
+       if (!REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW))
+               goto out;
+
+       /* Double check that the overflow wasn't already cleared. */
+       wptr = RREG32(mmIH_RB_WPTR);
+
+       if (!REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW))
+               goto out;
+
+       wptr = REG_SET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW, 0);
+
+       /* When a ring buffer overflow happen start parsing interrupt
+        * from the last not overwritten vector (wptr + 16). Hopefully
+        * this should allow us to catchup.
+        */
+       dev_warn(adev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 
0x%08X)\n",
+               wptr, ih->rptr, (wptr + 16) & ih->ptr_mask);
+       ih->rptr = (wptr + 16) & ih->ptr_mask;
+       tmp = RREG32(mmIH_RB_CNTL);
+       tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1);
+       WREG32(mmIH_RB_CNTL, tmp);
+
+
+out:
        return (wptr & ih->ptr_mask);
 }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/iceland_ih.c 
b/drivers/gpu/drm/amd/amdgpu/iceland_ih.c
index a13dd9a51149..7d165f024f07 100644
--- a/drivers/gpu/drm/amd/amdgpu/iceland_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/iceland_ih.c
@@ -193,19 +193,29 @@ static u32 iceland_ih_get_wptr(struct amdgpu_device *adev,
 
        wptr = le32_to_cpu(*ih->wptr_cpu);
 
-       if (REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW)) {
-               wptr = REG_SET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW, 0);
-               /* When a ring buffer overflow happen start parsing interrupt
-                * from the last not overwritten vector (wptr + 16). Hopefully
-                * this should allow us to catchup.
-                */
-               dev_warn(adev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 
0x%08X)\n",
-                        wptr, ih->rptr, (wptr + 16) & ih->ptr_mask);
-               ih->rptr = (wptr + 16) & ih->ptr_mask;
-               tmp = RREG32(mmIH_RB_CNTL);
-               tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1);
-               WREG32(mmIH_RB_CNTL, tmp);
-       }
+       if (!REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW))
+               goto out;
+
+       /* Double check that the overflow wasn't already cleared. */
+       wptr = RREG32(mmIH_RB_WPTR);
+
+       if (!REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW))
+               goto out;
+
+       wptr = REG_SET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW, 0);
+       /* When a ring buffer overflow happen start parsing interrupt
+        * from the last not overwritten vector (wptr + 16). Hopefully
+        * this should allow us to catchup.
+        */
+       dev_warn(adev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 
0x%08X)\n",
+               wptr, ih->rptr, (wptr + 16) & ih->ptr_mask);
+       ih->rptr = (wptr + 16) & ih->ptr_mask;
+       tmp = RREG32(mmIH_RB_CNTL);
+       tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1);
+       WREG32(mmIH_RB_CNTL, tmp);
+
+
+out:
        return (wptr & ih->ptr_mask);
 }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/tonga_ih.c 
b/drivers/gpu/drm/amd/amdgpu/tonga_ih.c
index e40140bf6699..db0a3bda13fb 100644
--- a/drivers/gpu/drm/amd/amdgpu/tonga_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/tonga_ih.c
@@ -195,19 +195,30 @@ static u32 tonga_ih_get_wptr(struct amdgpu_device *adev,
 
        wptr = le32_to_cpu(*ih->wptr_cpu);
 
-       if (REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW)) {
-               wptr = REG_SET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW, 0);
-               /* When a ring buffer overflow happen start parsing interrupt
-                * from the last not overwritten vector (wptr + 16). Hopefully
-                * this should allow us to catchup.
-                */
-               dev_warn(adev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 
0x%08X)\n",
-                        wptr, ih->rptr, (wptr + 16) & ih->ptr_mask);
-               ih->rptr = (wptr + 16) & ih->ptr_mask;
-               tmp = RREG32(mmIH_RB_CNTL);
-               tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1);
-               WREG32(mmIH_RB_CNTL, tmp);
-       }
+       if (!REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW))
+               goto out;
+
+       /* Double check that the overflow wasn't already cleared. */
+       wptr = RREG32(mmIH_RB_WPTR);
+
+       if (!REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW))
+               goto out;
+
+       wptr = REG_SET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW, 0);
+
+       /* When a ring buffer overflow happen start parsing interrupt
+        * from the last not overwritten vector (wptr + 16). Hopefully
+        * this should allow us to catchup.
+        */
+
+       dev_warn(adev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 
0x%08X)\n",
+               wptr, ih->rptr, (wptr + 16) & ih->ptr_mask);
+       ih->rptr = (wptr + 16) & ih->ptr_mask;
+       tmp = RREG32(mmIH_RB_CNTL);
+       tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1);
+       WREG32(mmIH_RB_CNTL, tmp);
+
+out:
        return (wptr & ih->ptr_mask);
 }
 
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c 
b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index fa92b88bc5a1..40041c61a100 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -1303,6 +1303,11 @@ static bool construct(
                goto ddc_create_fail;
        }
 
+       if (!link->ddc->ddc_pin) {
+               DC_ERROR("Failed to get I2C info for connector!\n");
+               goto ddc_create_fail;
+       }
+
        link->ddc_hw_inst =
                dal_ddc_get_line(
                        dal_ddc_service_get_ddc_pin(link->ddc));
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c 
b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
index c103005b0a33..a34ef5ec7d42 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
@@ -376,7 +376,6 @@ static void hibmc_pci_remove(struct pci_dev *pdev)
 
        drm_dev_unregister(dev);
        hibmc_unload(dev);
-       drm_dev_put(dev);
 }
 
 static struct pci_device_id hibmc_pci_table[] = {
diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c 
b/drivers/gpu/drm/virtio/virtgpu_vq.c
index 92022a83bbd5..bb46e7a0f1b5 100644
--- a/drivers/gpu/drm/virtio/virtgpu_vq.c
+++ b/drivers/gpu/drm/virtio/virtgpu_vq.c
@@ -992,8 +992,9 @@ int virtio_gpu_object_attach(struct virtio_gpu_device 
*vgdev,
        }
 
        /* gets freed when the ring has consumed it */
-       ents = kmalloc_array(nents, sizeof(struct virtio_gpu_mem_entry),
-                            GFP_KERNEL);
+       ents = kvmalloc_array(nents,
+                             sizeof(struct virtio_gpu_mem_entry),
+                             GFP_KERNEL);
        if (!ents) {
                DRM_ERROR("failed to allocate ent list\n");
                return -ENOMEM;
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 2d8434b7b623..053fe2da1e08 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -89,6 +89,47 @@ static int elantech_ps2_command(struct psmouse *psmouse,
        return rc;
 }
 
+/*
+ * Send an Elantech style special command to read 3 bytes from a register
+ */
+static int elantech_read_reg_params(struct psmouse *psmouse, u8 reg, u8 *param)
+{
+       if (elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||
+           elantech_ps2_command(psmouse, NULL, ETP_REGISTER_READWRITE) ||
+           elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||
+           elantech_ps2_command(psmouse, NULL, reg) ||
+           elantech_ps2_command(psmouse, param, PSMOUSE_CMD_GETINFO)) {
+               psmouse_err(psmouse,
+                           "failed to read register %#02x\n", reg);
+               return -EIO;
+       }
+
+       return 0;
+}
+
+/*
+ * Send an Elantech style special command to write a register with a parameter
+ */
+static int elantech_write_reg_params(struct psmouse *psmouse, u8 reg, u8 
*param)
+{
+       if (elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||
+           elantech_ps2_command(psmouse, NULL, ETP_REGISTER_READWRITE) ||
+           elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||
+           elantech_ps2_command(psmouse, NULL, reg) ||
+           elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||
+           elantech_ps2_command(psmouse, NULL, param[0]) ||
+           elantech_ps2_command(psmouse, NULL, ETP_PS2_CUSTOM_COMMAND) ||
+           elantech_ps2_command(psmouse, NULL, param[1]) ||
+           elantech_ps2_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11)) {
+               psmouse_err(psmouse,
+                           "failed to write register %#02x with value 
%#02x%#02x\n",
+                           reg, param[0], param[1]);
+               return -EIO;
+       }
+
+       return 0;
+}
+
 /*
  * Send an Elantech style special command to read a value from a register
  */
@@ -1529,19 +1570,35 @@ static const struct dmi_system_id no_hw_res_dmi_table[] 
= {
        { }
 };
 
+/*
+ * Change Report id 0x5E to 0x5F.
+ */
+static int elantech_change_report_id(struct psmouse *psmouse)
+{
+       unsigned char param[2] = { 0x10, 0x03 };
+
+       if (elantech_write_reg_params(psmouse, 0x7, param) ||
+           elantech_read_reg_params(psmouse, 0x7, param) ||
+           param[0] != 0x10 || param[1] != 0x03) {
+               psmouse_err(psmouse, "Unable to change report ID to 0x5f.\n");
+               return -EIO;
+       }
+
+       return 0;
+}
 /*
  * determine hardware version and set some properties according to it.
  */
 static int elantech_set_properties(struct elantech_device_info *info)
 {
        /* This represents the version of IC body. */
-       int ver = (info->fw_version & 0x0f0000) >> 16;
+       info->ic_version = (info->fw_version & 0x0f0000) >> 16;
 
        /* Early version of Elan touchpads doesn't obey the rule. */
        if (info->fw_version < 0x020030 || info->fw_version == 0x020600)
                info->hw_version = 1;
        else {
-               switch (ver) {
+               switch (info->ic_version) {
                case 2:
                case 4:
                        info->hw_version = 2;
@@ -1557,6 +1614,11 @@ static int elantech_set_properties(struct 
elantech_device_info *info)
                }
        }
 
+       /* Get information pattern for hw_version 4 */
+       info->pattern = 0x00;
+       if (info->ic_version == 0x0f && (info->fw_version & 0xff) <= 0x02)
+               info->pattern = info->fw_version & 0xff;
+
        /* decide which send_cmd we're gonna use early */
        info->send_cmd = info->hw_version >= 3 ? elantech_send_cmd :
                                                 synaptics_send_cmd;
@@ -1598,6 +1660,7 @@ static int elantech_query_info(struct psmouse *psmouse,
 {
        unsigned char param[3];
        unsigned char traces;
+       unsigned char ic_body[3];
 
        memset(info, 0, sizeof(*info));
 
@@ -1640,6 +1703,21 @@ static int elantech_query_info(struct psmouse *psmouse,
                             info->samples[2]);
        }
 
+       if (info->pattern > 0x00 && info->ic_version == 0xf) {
+               if (info->send_cmd(psmouse, ETP_ICBODY_QUERY, ic_body)) {
+                       psmouse_err(psmouse, "failed to query ic body\n");
+                       return -EINVAL;
+               }
+               info->ic_version = be16_to_cpup((__be16 *)ic_body);
+               psmouse_info(psmouse,
+                            "Elan ic body: %#04x, current fw version: %#02x\n",
+                            info->ic_version, ic_body[2]);
+       }
+
+       info->product_id = be16_to_cpup((__be16 *)info->samples);
+       if (info->pattern == 0x00)
+               info->product_id &= 0xff;
+
        if (info->samples[1] == 0x74 && info->hw_version == 0x03) {
                /*
                 * This module has a bug which makes absolute mode
@@ -1654,6 +1732,23 @@ static int elantech_query_info(struct psmouse *psmouse,
        /* The MSB indicates the presence of the trackpoint */
        info->has_trackpoint = (info->capabilities[0] & 0x80) == 0x80;
 
+       if (info->has_trackpoint && info->ic_version == 0x0011 &&
+           (info->product_id == 0x08 || info->product_id == 0x09 ||
+            info->product_id == 0x0d || info->product_id == 0x0e)) {
+               /*
+                * This module has a bug which makes trackpoint in SMBus
+                * mode return invalid data unless trackpoint is switched
+                * from using 0x5e reports to 0x5f. If we are not able to
+                * make the switch, let's abort initialization so we'll be
+                * using standard PS/2 protocol.
+                */
+               if (elantech_change_report_id(psmouse)) {
+                       psmouse_info(psmouse,
+                                    "Trackpoint report is broken, forcing 
standard PS/2 protocol\n");
+                       return -ENODEV;
+               }
+       }
+
        info->x_res = 31;
        info->y_res = 31;
        if (info->hw_version == 4) {
diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h
index e0a3e59d4f1b..571e6ca11d33 100644
--- a/drivers/input/mouse/elantech.h
+++ b/drivers/input/mouse/elantech.h
@@ -18,6 +18,7 @@
 #define ETP_CAPABILITIES_QUERY         0x02
 #define ETP_SAMPLE_QUERY               0x03
 #define ETP_RESOLUTION_QUERY           0x04
+#define ETP_ICBODY_QUERY               0x05
 
 /*
  * Command values for register reading or writing
@@ -140,7 +141,10 @@ struct elantech_device_info {
        unsigned char samples[3];
        unsigned char debug;
        unsigned char hw_version;
+       unsigned char pattern;
        unsigned int fw_version;
+       unsigned int ic_version;
+       unsigned int product_id;
        unsigned int x_min;
        unsigned int y_min;
        unsigned int x_max;
diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c
index 867f5fb6fbe1..c68e52c17ae1 100644
--- a/drivers/media/rc/mceusb.c
+++ b/drivers/media/rc/mceusb.c
@@ -701,11 +701,18 @@ static void mceusb_dev_printdata(struct mceusb_dev *ir, 
u8 *buf, int buf_len,
                                data[0], data[1]);
                        break;
                case MCE_RSP_EQIRCFS:
+                       if (!data[0] && !data[1]) {
+                               dev_dbg(dev, "%s: no carrier", inout);
+                               break;
+                       }
+                       // prescaler should make sense
+                       if (data[0] > 8)
+                               break;
                        period = DIV_ROUND_CLOSEST((1U << data[0] * 2) *
                                                   (data[1] + 1), 10);
                        if (!period)
                                break;
-                       carrier = (1000 * 1000) / period;
+                       carrier = USEC_PER_SEC / period;
                        dev_dbg(dev, "%s carrier of %u Hz (period %uus)",
                                 inout, carrier, period);
                        break;
diff --git a/drivers/media/usb/uvc/uvc_driver.c 
b/drivers/media/usb/uvc/uvc_driver.c
index 99883550375e..40ca1d4e0348 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -967,7 +967,10 @@ static struct uvc_entity *uvc_alloc_entity(u16 type, u8 id,
        unsigned int i;
 
        extra_size = roundup(extra_size, sizeof(*entity->pads));
-       num_inputs = (type & UVC_TERM_OUTPUT) ? num_pads : num_pads - 1;
+       if (num_pads)
+               num_inputs = type & UVC_TERM_OUTPUT ? num_pads : num_pads - 1;
+       else
+               num_inputs = 0;
        size = sizeof(*entity) + extra_size + sizeof(*entity->pads) * num_pads
             + num_inputs;
        entity = kzalloc(size, GFP_KERNEL);
@@ -983,7 +986,7 @@ static struct uvc_entity *uvc_alloc_entity(u16 type, u8 id,
 
        for (i = 0; i < num_inputs; ++i)
                entity->pads[i].flags = MEDIA_PAD_FL_SINK;
-       if (!UVC_ENTITY_IS_OTERM(entity))
+       if (!UVC_ENTITY_IS_OTERM(entity) && num_pads)
                entity->pads[num_pads-1].flags = MEDIA_PAD_FL_SOURCE;
 
        entity->bNrInPins = num_inputs;
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c 
b/drivers/media/v4l2-core/v4l2-ctrls.c
index cd84dbbf6a89..3fe99519fedf 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -1795,7 +1795,8 @@ static int std_validate(const struct v4l2_ctrl *ctrl, u32 
idx,
        case V4L2_CTRL_TYPE_INTEGER_MENU:
                if (ptr.p_s32[idx] < ctrl->minimum || ptr.p_s32[idx] > 
ctrl->maximum)
                        return -ERANGE;
-               if (ctrl->menu_skip_mask & (1ULL << ptr.p_s32[idx]))
+               if (ptr.p_s32[idx] < BITS_PER_LONG_LONG &&
+                   (ctrl->menu_skip_mask & BIT_ULL(ptr.p_s32[idx])))
                        return -EINVAL;
                if (ctrl->type == V4L2_CTRL_TYPE_MENU &&
                    ctrl->qmenu[ptr.p_s32[idx]][0] == '\0')
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c 
b/drivers/media/v4l2-core/v4l2-ioctl.c
index 58868d7129eb..24db33f803c0 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -3016,7 +3016,7 @@ video_usercopy(struct file *file, unsigned int cmd, 
unsigned long arg,
               v4l2_kioctl func)
 {
        char    sbuf[128];
-       void    *mbuf = NULL;
+       void    *mbuf = NULL, *array_buf = NULL;
        void    *parg = (void *)arg;
        long    err  = -EINVAL;
        bool    has_array_args;
@@ -3075,20 +3075,14 @@ video_usercopy(struct file *file, unsigned int cmd, 
unsigned long arg,
        has_array_args = err;
 
        if (has_array_args) {
-               /*
-                * When adding new types of array args, make sure that the
-                * parent argument to ioctl (which contains the pointer to the
-                * array) fits into sbuf (so that mbuf will still remain
-                * unused up to here).
-                */
-               mbuf = kvmalloc(array_size, GFP_KERNEL);
+               array_buf = kvmalloc(array_size, GFP_KERNEL);
                err = -ENOMEM;
-               if (NULL == mbuf)
+               if (array_buf == NULL)
                        goto out_array_args;
                err = -EFAULT;
-               if (copy_from_user(mbuf, user_ptr, array_size))
+               if (copy_from_user(array_buf, user_ptr, array_size))
                        goto out_array_args;
-               *kernel_ptr = mbuf;
+               *kernel_ptr = array_buf;
        }
 
        /* Handles IOCTL */
@@ -3107,7 +3101,7 @@ video_usercopy(struct file *file, unsigned int cmd, 
unsigned long arg,
 
        if (has_array_args) {
                *kernel_ptr = (void __force *)user_ptr;
-               if (copy_to_user(user_ptr, mbuf, array_size))
+               if (copy_to_user(user_ptr, array_buf, array_size))
                        err = -EFAULT;
                goto out_array_args;
        }
@@ -3129,6 +3123,7 @@ video_usercopy(struct file *file, unsigned int cmd, 
unsigned long arg,
        }
 
 out:
+       kvfree(array_buf);
        kvfree(mbuf);
        return err;
 }
diff --git a/drivers/net/ethernet/atheros/ag71xx.c 
b/drivers/net/ethernet/atheros/ag71xx.c
index 78e20f53677d..58a002dd758c 100644
--- a/drivers/net/ethernet/atheros/ag71xx.c
+++ b/drivers/net/ethernet/atheros/ag71xx.c
@@ -222,8 +222,6 @@
 #define AG71XX_REG_RX_SM       0x01b0
 #define AG71XX_REG_TX_SM       0x01b4
 
-#define ETH_SWITCH_HEADER_LEN  2
-
 #define AG71XX_DEFAULT_MSG_ENABLE      \
        (NETIF_MSG_DRV                  \
        | NETIF_MSG_PROBE               \
@@ -784,7 +782,7 @@ static void ag71xx_hw_setup(struct ag71xx *ag)
 
 static unsigned int ag71xx_max_frame_len(unsigned int mtu)
 {
-       return ETH_SWITCH_HEADER_LEN + ETH_HLEN + VLAN_HLEN + mtu + ETH_FCS_LEN;
+       return ETH_HLEN + VLAN_HLEN + mtu + ETH_FCS_LEN;
 }
 
 static void ag71xx_hw_set_macaddr(struct ag71xx *ag, unsigned char *mac)
diff --git a/drivers/net/tap.c b/drivers/net/tap.c
index 3ae70c7e6860..f285422a8071 100644
--- a/drivers/net/tap.c
+++ b/drivers/net/tap.c
@@ -1095,10 +1095,9 @@ static long tap_ioctl(struct file *file, unsigned int 
cmd,
                        return -ENOLINK;
                }
                ret = 0;
-               u = tap->dev->type;
+               dev_get_mac_address(&sa, dev_net(tap->dev), tap->dev->name);
                if (copy_to_user(&ifr->ifr_name, tap->dev->name, IFNAMSIZ) ||
-                   copy_to_user(&ifr->ifr_hwaddr.sa_data, tap->dev->dev_addr, 
ETH_ALEN) ||
-                   put_user(u, &ifr->ifr_hwaddr.sa_family))
+                   copy_to_user(&ifr->ifr_hwaddr, &sa, sizeof(sa)))
                        ret = -EFAULT;
                tap_put_tap_dev(tap);
                rtnl_unlock();
@@ -1113,7 +1112,7 @@ static long tap_ioctl(struct file *file, unsigned int cmd,
                        rtnl_unlock();
                        return -ENOLINK;
                }
-               ret = dev_set_mac_address(tap->dev, &sa, NULL);
+               ret = dev_set_mac_address_user(tap->dev, &sa, NULL);
                tap_put_tap_dev(tap);
                rtnl_unlock();
                return ret;
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 84e779f93f0a..fe6ec22bf3d5 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -3224,7 +3224,7 @@ static long __tun_chr_ioctl(struct file *file, unsigned 
int cmd,
        case SIOCGIFHWADDR:
                /* Get hw address */
                memcpy(ifr.ifr_hwaddr.sa_data, tun->dev->dev_addr, ETH_ALEN);
-               ifr.ifr_hwaddr.sa_family = tun->dev->type;
+               dev_get_mac_address(&ifr.ifr_hwaddr, net, tun->dev->name);
                if (copy_to_user(argp, &ifr, ifreq_len))
                        ret = -EFAULT;
                break;
@@ -3234,7 +3234,7 @@ static long __tun_chr_ioctl(struct file *file, unsigned 
int cmd,
                tun_debug(KERN_DEBUG, tun, "set hw address: %pM\n",
                          ifr.ifr_hwaddr.sa_data);
 
-               ret = dev_set_mac_address(tun->dev, &ifr.ifr_hwaddr, NULL);
+               ret = dev_set_mac_address_user(tun->dev, &ifr.ifr_hwaddr, NULL);
                break;
 
        case TUNGETSNDBUF:
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 5a1d21aae2a9..05b85b94d951 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -1280,6 +1280,7 @@ static const struct usb_device_id products[] = {
        {QMI_FIXED_INTF(0x19d2, 0x1255, 4)},
        {QMI_FIXED_INTF(0x19d2, 0x1256, 4)},
        {QMI_FIXED_INTF(0x19d2, 0x1270, 5)},    /* ZTE MF667 */
+       {QMI_FIXED_INTF(0x19d2, 0x1275, 3)},    /* ZTE P685M */
        {QMI_FIXED_INTF(0x19d2, 0x1401, 2)},
        {QMI_FIXED_INTF(0x19d2, 0x1402, 2)},    /* ZTE MF60 */
        {QMI_FIXED_INTF(0x19d2, 0x1424, 2)},
diff --git a/drivers/net/wireless/ath/ath10k/mac.c 
b/drivers/net/wireless/ath/ath10k/mac.c
index 915ba2a7f744..47b733fdf4fc 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -3624,23 +3624,16 @@ bool ath10k_mac_tx_frm_has_freq(struct ath10k *ar)
 static int ath10k_mac_tx_wmi_mgmt(struct ath10k *ar, struct sk_buff *skb)
 {
        struct sk_buff_head *q = &ar->wmi_mgmt_tx_queue;
-       int ret = 0;
-
-       spin_lock_bh(&ar->data_lock);
 
-       if (skb_queue_len(q) == ATH10K_MAX_NUM_MGMT_PENDING) {
+       if (skb_queue_len_lockless(q) >= ATH10K_MAX_NUM_MGMT_PENDING) {
                ath10k_warn(ar, "wmi mgmt tx queue is full\n");
-               ret = -ENOSPC;
-               goto unlock;
+               return -ENOSPC;
        }
 
-       __skb_queue_tail(q, skb);
+       skb_queue_tail(q, skb);
        ieee80211_queue_work(ar->hw, &ar->wmi_mgmt_tx_work);
 
-unlock:
-       spin_unlock_bh(&ar->data_lock);
-
-       return ret;
+       return 0;
 }
 
 static enum ath10k_mac_tx_path
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/dmi.c 
b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/dmi.c
index 4aa2561934d7..6d5188b78f2d 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/dmi.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/dmi.c
@@ -40,6 +40,18 @@ static const struct brcmf_dmi_data pov_tab_p1006w_data = {
        BRCM_CC_43340_CHIP_ID, 2, "pov-tab-p1006w-data"
 };
 
+static const struct brcmf_dmi_data predia_basic_data = {
+       BRCM_CC_43341_CHIP_ID, 2, "predia-basic"
+};
+
+/* Note the Voyo winpad A15 tablet uses the same Ampak AP6330 module, with the
+ * exact same nvram file as the Prowise-PT301 tablet. Since the nvram for the
+ * Prowise-PT301 is already in linux-firmware we just point to that here.
+ */
+static const struct brcmf_dmi_data voyo_winpad_a15_data = {
+       BRCM_CC_4330_CHIP_ID, 4, "Prowise-PT301"
+};
+
 static const struct dmi_system_id dmi_platform_data[] = {
        {
                /* ACEPC T8 Cherry Trail Z8350 mini PC */
@@ -111,6 +123,26 @@ static const struct dmi_system_id dmi_platform_data[] = {
                },
                .driver_data = (void *)&pov_tab_p1006w_data,
        },
+       {
+               /* Predia Basic tablet (+ with keyboard dock) */
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "CherryTrail"),
+                       /* Mx.WT107.KUBNGEA02 with the version-nr dropped */
+                       DMI_MATCH(DMI_BIOS_VERSION, "Mx.WT107.KUBNGEA"),
+               },
+               .driver_data = (void *)&predia_basic_data,
+       },
+       {
+               /* Voyo winpad A15 tablet */
+               .matches = {
+                       DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
+                       DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
+                       /* Above strings are too generic, also match on BIOS 
date */
+                       DMI_MATCH(DMI_BIOS_DATE, "11/20/2014"),
+               },
+               .driver_data = (void *)&voyo_winpad_a15_data,
+       },
        {}
 };
 
diff --git a/drivers/net/wireless/rsi/rsi_91x_hal.c 
b/drivers/net/wireless/rsi/rsi_91x_hal.c
index 6f8d5f9a9f7e..a07304405b2c 100644
--- a/drivers/net/wireless/rsi/rsi_91x_hal.c
+++ b/drivers/net/wireless/rsi/rsi_91x_hal.c
@@ -248,7 +248,8 @@ int rsi_prepare_data_desc(struct rsi_common *common, struct 
sk_buff *skb)
                        rsi_set_len_qno(&data_desc->len_qno,
                                        (skb->len - FRAME_DESC_SZ),
                                        RSI_WIFI_MGMT_Q);
-               if ((skb->len - header_size) == EAPOL4_PACKET_LEN) {
+               if (((skb->len - header_size) == EAPOL4_PACKET_LEN) ||
+                   ((skb->len - header_size) == EAPOL4_PACKET_LEN - 2)) {
                        data_desc->misc_flags |=
                                RSI_DESC_REQUIRE_CFM_TO_HOST;
                        xtend_desc->confirm_frame_type = EAPOL4_CONFIRM;
diff --git a/drivers/net/wireless/rsi/rsi_91x_sdio.c 
b/drivers/net/wireless/rsi/rsi_91x_sdio.c
index 1bebba4e8527..d1e8c6593ef5 100644
--- a/drivers/net/wireless/rsi/rsi_91x_sdio.c
+++ b/drivers/net/wireless/rsi/rsi_91x_sdio.c
@@ -153,9 +153,7 @@ static void rsi_handle_interrupt(struct sdio_func *function)
        if (adapter->priv->fsm_state == FSM_FW_NOT_LOADED)
                return;
 
-       dev->sdio_irq_task = current;
-       rsi_interrupt_handler(adapter);
-       dev->sdio_irq_task = NULL;
+       rsi_set_event(&dev->rx_thread.event);
 }
 
 /**
@@ -1059,8 +1057,6 @@ static int rsi_probe(struct sdio_func *pfunction,
                rsi_dbg(ERR_ZONE, "%s: Unable to init rx thrd\n", __func__);
                goto fail_kill_thread;
        }
-       skb_queue_head_init(&sdev->rx_q.head);
-       sdev->rx_q.num_rx_pkts = 0;
 
        sdio_claim_host(pfunction);
        if (sdio_claim_irq(pfunction, rsi_handle_interrupt)) {
diff --git a/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c 
b/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c
index 449f6d23c5e3..7c77b09240da 100644
--- a/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c
+++ b/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c
@@ -60,39 +60,20 @@ int rsi_sdio_master_access_msword(struct rsi_hw *adapter, 
u16 ms_word)
        return status;
 }
 
+static void rsi_rx_handler(struct rsi_hw *adapter);
+
 void rsi_sdio_rx_thread(struct rsi_common *common)
 {
        struct rsi_hw *adapter = common->priv;
        struct rsi_91x_sdiodev *sdev = adapter->rsi_dev;
-       struct sk_buff *skb;
-       int status;
 
        do {
                rsi_wait_event(&sdev->rx_thread.event, EVENT_WAIT_FOREVER);
                rsi_reset_event(&sdev->rx_thread.event);
+               rsi_rx_handler(adapter);
+       } while (!atomic_read(&sdev->rx_thread.thread_done));
 
-               while (true) {
-                       if (atomic_read(&sdev->rx_thread.thread_done))
-                               goto out;
-
-                       skb = skb_dequeue(&sdev->rx_q.head);
-                       if (!skb)
-                               break;
-                       if (sdev->rx_q.num_rx_pkts > 0)
-                               sdev->rx_q.num_rx_pkts--;
-                       status = rsi_read_pkt(common, skb->data, skb->len);
-                       if (status) {
-                               rsi_dbg(ERR_ZONE, "Failed to read the 
packet\n");
-                               dev_kfree_skb(skb);
-                               break;
-                       }
-                       dev_kfree_skb(skb);
-               }
-       } while (1);
-
-out:
        rsi_dbg(INFO_ZONE, "%s: Terminated SDIO RX thread\n", __func__);
-       skb_queue_purge(&sdev->rx_q.head);
        atomic_inc(&sdev->rx_thread.thread_done);
        complete_and_exit(&sdev->rx_thread.completion, 0);
 }
@@ -113,10 +94,6 @@ static int rsi_process_pkt(struct rsi_common *common)
        u32 rcv_pkt_len = 0;
        int status = 0;
        u8 value = 0;
-       struct sk_buff *skb;
-
-       if (dev->rx_q.num_rx_pkts >= RSI_MAX_RX_PKTS)
-               return 0;
 
        num_blks = ((adapter->interrupt_status & 1) |
                        ((adapter->interrupt_status >> RECV_NUM_BLOCKS) << 1));
@@ -144,22 +121,19 @@ static int rsi_process_pkt(struct rsi_common *common)
 
        rcv_pkt_len = (num_blks * 256);
 
-       skb = dev_alloc_skb(rcv_pkt_len);
-       if (!skb)
-               return -ENOMEM;
-
-       status = rsi_sdio_host_intf_read_pkt(adapter, skb->data, rcv_pkt_len);
+       status = rsi_sdio_host_intf_read_pkt(adapter, dev->pktbuffer,
+                                            rcv_pkt_len);
        if (status) {
                rsi_dbg(ERR_ZONE, "%s: Failed to read packet from card\n",
                        __func__);
-               dev_kfree_skb(skb);
                return status;
        }
-       skb_put(skb, rcv_pkt_len);
-       skb_queue_tail(&dev->rx_q.head, skb);
-       dev->rx_q.num_rx_pkts++;
 
-       rsi_set_event(&dev->rx_thread.event);
+       status = rsi_read_pkt(common, dev->pktbuffer, rcv_pkt_len);
+       if (status) {
+               rsi_dbg(ERR_ZONE, "Failed to read the packet\n");
+               return status;
+       }
 
        return 0;
 }
@@ -251,12 +225,12 @@ int rsi_init_sdio_slave_regs(struct rsi_hw *adapter)
 }
 
 /**
- * rsi_interrupt_handler() - This function read and process SDIO interrupts.
+ * rsi_rx_handler() - Read and process SDIO interrupts.
  * @adapter: Pointer to the adapter structure.
  *
  * Return: None.
  */
-void rsi_interrupt_handler(struct rsi_hw *adapter)
+static void rsi_rx_handler(struct rsi_hw *adapter)
 {
        struct rsi_common *common = adapter->priv;
        struct rsi_91x_sdiodev *dev =
diff --git a/drivers/net/wireless/rsi/rsi_sdio.h 
b/drivers/net/wireless/rsi/rsi_sdio.h
index c5cfb6238f73..ce6cf65a577a 100644
--- a/drivers/net/wireless/rsi/rsi_sdio.h
+++ b/drivers/net/wireless/rsi/rsi_sdio.h
@@ -111,11 +111,6 @@ struct receive_info {
        u32 buf_available_counter;
 };
 
-struct rsi_sdio_rx_q {
-       u8 num_rx_pkts;
-       struct sk_buff_head head;
-};
-
 struct rsi_91x_sdiodev {
        struct sdio_func *pfunction;
        struct task_struct *sdio_irq_task;
@@ -128,11 +123,10 @@ struct rsi_91x_sdiodev {
        u16 tx_blk_size;
        u8 write_fail;
        bool buff_status_updated;
-       struct rsi_sdio_rx_q rx_q;
        struct rsi_thread rx_thread;
+       u8 pktbuffer[8192] __aligned(4);
 };
 
-void rsi_interrupt_handler(struct rsi_hw *adapter);
 int rsi_init_sdio_slave_regs(struct rsi_hw *adapter);
 int rsi_sdio_read_register(struct rsi_hw *adapter, u32 addr, u8 *data);
 int rsi_sdio_host_intf_read_pkt(struct rsi_hw *adapter, u8 *pkt, u32 length);
diff --git a/drivers/net/wireless/ti/wl12xx/main.c 
b/drivers/net/wireless/ti/wl12xx/main.c
index 3c9c623bb428..9d7dbfe7fe0c 100644
--- a/drivers/net/wireless/ti/wl12xx/main.c
+++ b/drivers/net/wireless/ti/wl12xx/main.c
@@ -635,7 +635,6 @@ static int wl12xx_identify_chip(struct wl1271 *wl)
                wl->quirks |= WLCORE_QUIRK_LEGACY_NVS |
                              WLCORE_QUIRK_DUAL_PROBE_TMPL |
                              WLCORE_QUIRK_TKIP_HEADER_SPACE |
-                             WLCORE_QUIRK_START_STA_FAILS |
                              WLCORE_QUIRK_AP_ZERO_SESSION_ID;
                wl->sr_fw_name = WL127X_FW_NAME_SINGLE;
                wl->mr_fw_name = WL127X_FW_NAME_MULTI;
@@ -659,7 +658,6 @@ static int wl12xx_identify_chip(struct wl1271 *wl)
                wl->quirks |= WLCORE_QUIRK_LEGACY_NVS |
                              WLCORE_QUIRK_DUAL_PROBE_TMPL |
                              WLCORE_QUIRK_TKIP_HEADER_SPACE |
-                             WLCORE_QUIRK_START_STA_FAILS |
                              WLCORE_QUIRK_AP_ZERO_SESSION_ID;
                wl->plt_fw_name = WL127X_PLT_FW_NAME;
                wl->sr_fw_name = WL127X_FW_NAME_SINGLE;
@@ -688,7 +686,6 @@ static int wl12xx_identify_chip(struct wl1271 *wl)
                wl->quirks |= WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN |
                              WLCORE_QUIRK_DUAL_PROBE_TMPL |
                              WLCORE_QUIRK_TKIP_HEADER_SPACE |
-                             WLCORE_QUIRK_START_STA_FAILS |
                              WLCORE_QUIRK_AP_ZERO_SESSION_ID;
 
                wlcore_set_min_fw_ver(wl, WL128X_CHIP_VER,
diff --git a/drivers/net/wireless/ti/wlcore/main.c 
b/drivers/net/wireless/ti/wlcore/main.c
index 5f74cf821068..be0ed19f9356 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -2862,21 +2862,8 @@ static int wlcore_join(struct wl1271 *wl, struct 
wl12xx_vif *wlvif)
 
        if (is_ibss)
                ret = wl12xx_cmd_role_start_ibss(wl, wlvif);
-       else {
-               if (wl->quirks & WLCORE_QUIRK_START_STA_FAILS) {
-                       /*
-                        * TODO: this is an ugly workaround for wl12xx fw
-                        * bug - we are not able to tx/rx after the first
-                        * start_sta, so make dummy start+stop calls,
-                        * and then call start_sta again.
-                        * this should be fixed in the fw.
-                        */
-                       wl12xx_cmd_role_start_sta(wl, wlvif);
-                       wl12xx_cmd_role_stop_sta(wl, wlvif);
-               }
-
+       else
                ret = wl12xx_cmd_role_start_sta(wl, wlvif);
-       }
 
        return ret;
 }
diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h 
b/drivers/net/wireless/ti/wlcore/wlcore.h
index b7821311ac75..81c94d390623 100644
--- a/drivers/net/wireless/ti/wlcore/wlcore.h
+++ b/drivers/net/wireless/ti/wlcore/wlcore.h
@@ -547,9 +547,6 @@ wlcore_set_min_fw_ver(struct wl1271 *wl, unsigned int chip,
 /* Each RX/TX transaction requires an end-of-transaction transfer */
 #define WLCORE_QUIRK_END_OF_TRANSACTION                BIT(0)
 
-/* the first start_role(sta) sometimes doesn't work on wl12xx */
-#define WLCORE_QUIRK_START_STA_FAILS           BIT(1)
-
 /* wl127x and SPI don't support SDIO block size alignment */
 #define WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN                BIT(2)
 
diff --git a/drivers/net/xen-netback/netback.c 
b/drivers/net/xen-netback/netback.c
index 4bfafcd6317f..c213f2b81269 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -1335,11 +1335,21 @@ int xenvif_tx_action(struct xenvif_queue *queue, int 
budget)
                return 0;
 
        gnttab_batch_copy(queue->tx_copy_ops, nr_cops);
-       if (nr_mops != 0)
+       if (nr_mops != 0) {
                ret = gnttab_map_refs(queue->tx_map_ops,
                                      NULL,
                                      queue->pages_to_map,
                                      nr_mops);
+               if (ret) {
+                       unsigned int i;
+
+                       netdev_err(queue->vif->dev, "Map fail: nr %u ret %d\n",
+                                  nr_mops, ret);
+                       for (i = 0; i < nr_mops; ++i)
+                               WARN_ON_ONCE(queue->tx_map_ops[i].status ==
+                                            GNTST_okay);
+               }
+       }
 
        work_done = xenvif_tx_submit(queue);
 
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index c2cabd77884b..95d77a17375e 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -317,6 +317,26 @@ bool nvme_cancel_request(struct request *req, void *data, 
bool reserved)
 }
 EXPORT_SYMBOL_GPL(nvme_cancel_request);
 
+void nvme_cancel_tagset(struct nvme_ctrl *ctrl)
+{
+       if (ctrl->tagset) {
+               blk_mq_tagset_busy_iter(ctrl->tagset,
+                               nvme_cancel_request, ctrl);
+               blk_mq_tagset_wait_completed_request(ctrl->tagset);
+       }
+}
+EXPORT_SYMBOL_GPL(nvme_cancel_tagset);
+
+void nvme_cancel_admin_tagset(struct nvme_ctrl *ctrl)
+{
+       if (ctrl->admin_tagset) {
+               blk_mq_tagset_busy_iter(ctrl->admin_tagset,
+                               nvme_cancel_request, ctrl);
+               blk_mq_tagset_wait_completed_request(ctrl->admin_tagset);
+       }
+}
+EXPORT_SYMBOL_GPL(nvme_cancel_admin_tagset);
+
 bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl,
                enum nvme_ctrl_state new_state)
 {
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index e392d6cd92ce..62e5401865fe 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -468,6 +468,8 @@ static inline void nvme_put_ctrl(struct nvme_ctrl *ctrl)
 
 void nvme_complete_rq(struct request *req);
 bool nvme_cancel_request(struct request *req, void *data, bool reserved);
+void nvme_cancel_tagset(struct nvme_ctrl *ctrl);
+void nvme_cancel_admin_tagset(struct nvme_ctrl *ctrl);
 bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl,
                enum nvme_ctrl_state new_state);
 bool nvme_wait_reset(struct nvme_ctrl *ctrl);
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 19e375b59f40..abc342db3b33 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -528,50 +528,71 @@ static inline bool nvme_pci_use_sgls(struct nvme_dev 
*dev, struct request *req)
        return true;
 }
 
-static void nvme_unmap_data(struct nvme_dev *dev, struct request *req)
+static void nvme_free_prps(struct nvme_dev *dev, struct request *req)
 {
-       struct nvme_iod *iod = blk_mq_rq_to_pdu(req);
        const int last_prp = dev->ctrl.page_size / sizeof(__le64) - 1;
-       dma_addr_t dma_addr = iod->first_dma, next_dma_addr;
+       struct nvme_iod *iod = blk_mq_rq_to_pdu(req);
+       dma_addr_t dma_addr = iod->first_dma;
        int i;
 
-       if (iod->dma_len) {
-               dma_unmap_page(dev->dev, dma_addr, iod->dma_len,
-                              rq_dma_dir(req));
-               return;
+       for (i = 0; i < iod->npages; i++) {
+               __le64 *prp_list = nvme_pci_iod_list(req)[i];
+               dma_addr_t next_dma_addr = le64_to_cpu(prp_list[last_prp]);
+
+               dma_pool_free(dev->prp_page_pool, prp_list, dma_addr);
+               dma_addr = next_dma_addr;
        }
 
-       WARN_ON_ONCE(!iod->nents);
+}
 
-       if (is_pci_p2pdma_page(sg_page(iod->sg)))
-               pci_p2pdma_unmap_sg(dev->dev, iod->sg, iod->nents,
-                                   rq_dma_dir(req));
-       else
-               dma_unmap_sg(dev->dev, iod->sg, iod->nents, rq_dma_dir(req));
+static void nvme_free_sgls(struct nvme_dev *dev, struct request *req)
+{
+       const int last_sg = SGES_PER_PAGE - 1;
+       struct nvme_iod *iod = blk_mq_rq_to_pdu(req);
+       dma_addr_t dma_addr = iod->first_dma;
+       int i;
 
+       for (i = 0; i < iod->npages; i++) {
+               struct nvme_sgl_desc *sg_list = nvme_pci_iod_list(req)[i];
+               dma_addr_t next_dma_addr = le64_to_cpu((sg_list[last_sg]).addr);
 
-       if (iod->npages == 0)
-               dma_pool_free(dev->prp_small_pool, nvme_pci_iod_list(req)[0],
-                       dma_addr);
+               dma_pool_free(dev->prp_page_pool, sg_list, dma_addr);
+               dma_addr = next_dma_addr;
+       }
 
-       for (i = 0; i < iod->npages; i++) {
-               void *addr = nvme_pci_iod_list(req)[i];
+}
 
-               if (iod->use_sgl) {
-                       struct nvme_sgl_desc *sg_list = addr;
+static void nvme_unmap_sg(struct nvme_dev *dev, struct request *req)
+{
+       struct nvme_iod *iod = blk_mq_rq_to_pdu(req);
 
-                       next_dma_addr =
-                           le64_to_cpu((sg_list[SGES_PER_PAGE - 1]).addr);
-               } else {
-                       __le64 *prp_list = addr;
+       if (is_pci_p2pdma_page(sg_page(iod->sg)))
+               pci_p2pdma_unmap_sg(dev->dev, iod->sg, iod->nents,
+                                   rq_dma_dir(req));
+       else
+               dma_unmap_sg(dev->dev, iod->sg, iod->nents, rq_dma_dir(req));
+}
 
-                       next_dma_addr = le64_to_cpu(prp_list[last_prp]);
-               }
+static void nvme_unmap_data(struct nvme_dev *dev, struct request *req)
+{
+       struct nvme_iod *iod = blk_mq_rq_to_pdu(req);
 
-               dma_pool_free(dev->prp_page_pool, addr, dma_addr);
-               dma_addr = next_dma_addr;
+       if (iod->dma_len) {
+               dma_unmap_page(dev->dev, iod->first_dma, iod->dma_len,
+                              rq_dma_dir(req));
+               return;
        }
 
+       WARN_ON_ONCE(!iod->nents);
+
+       nvme_unmap_sg(dev, req);
+       if (iod->npages == 0)
+               dma_pool_free(dev->prp_small_pool, nvme_pci_iod_list(req)[0],
+                             iod->first_dma);
+       else if (iod->use_sgl)
+               nvme_free_sgls(dev, req);
+       else
+               nvme_free_prps(dev, req);
        mempool_free(iod->sg, dev->iod_mempool);
 }
 
@@ -648,7 +669,7 @@ static blk_status_t nvme_pci_setup_prps(struct nvme_dev 
*dev,
                        __le64 *old_prp_list = prp_list;
                        prp_list = dma_pool_alloc(pool, GFP_ATOMIC, &prp_dma);
                        if (!prp_list)
-                               return BLK_STS_RESOURCE;
+                               goto free_prps;
                        list[iod->npages++] = prp_list;
                        prp_list[0] = old_prp_list[i - 1];
                        old_prp_list[i - 1] = cpu_to_le64(prp_dma);
@@ -668,14 +689,14 @@ static blk_status_t nvme_pci_setup_prps(struct nvme_dev 
*dev,
                dma_addr = sg_dma_address(sg);
                dma_len = sg_dma_len(sg);
        }
-
 done:
        cmnd->dptr.prp1 = cpu_to_le64(sg_dma_address(iod->sg));
        cmnd->dptr.prp2 = cpu_to_le64(iod->first_dma);
-
        return BLK_STS_OK;
-
- bad_sgl:
+free_prps:
+       nvme_free_prps(dev, req);
+       return BLK_STS_RESOURCE;
+bad_sgl:
        WARN(DO_ONCE(nvme_print_sgl, iod->sg, iod->nents),
                        "Invalid SGL for payload:%d nents:%d\n",
                        blk_rq_payload_bytes(req), iod->nents);
@@ -747,7 +768,7 @@ static blk_status_t nvme_pci_setup_sgls(struct nvme_dev 
*dev,
 
                        sg_list = dma_pool_alloc(pool, GFP_ATOMIC, &sgl_dma);
                        if (!sg_list)
-                               return BLK_STS_RESOURCE;
+                               goto free_sgls;
 
                        i = 0;
                        nvme_pci_iod_list(req)[iod->npages++] = sg_list;
@@ -760,6 +781,9 @@ static blk_status_t nvme_pci_setup_sgls(struct nvme_dev 
*dev,
        } while (--entries > 0);
 
        return BLK_STS_OK;
+free_sgls:
+       nvme_free_sgls(dev, req);
+       return BLK_STS_RESOURCE;
 }
 
 static blk_status_t nvme_setup_prp_simple(struct nvme_dev *dev,
@@ -828,7 +852,7 @@ static blk_status_t nvme_map_data(struct nvme_dev *dev, 
struct request *req,
        sg_init_table(iod->sg, blk_rq_nr_phys_segments(req));
        iod->nents = blk_rq_map_sg(req->q, req, iod->sg);
        if (!iod->nents)
-               goto out;
+               goto out_free_sg;
 
        if (is_pci_p2pdma_page(sg_page(iod->sg)))
                nr_mapped = pci_p2pdma_map_sg_attrs(dev->dev, iod->sg,
@@ -837,16 +861,21 @@ static blk_status_t nvme_map_data(struct nvme_dev *dev, 
struct request *req,
                nr_mapped = dma_map_sg_attrs(dev->dev, iod->sg, iod->nents,
                                             rq_dma_dir(req), DMA_ATTR_NO_WARN);
        if (!nr_mapped)
-               goto out;
+               goto out_free_sg;
 
        iod->use_sgl = nvme_pci_use_sgls(dev, req);
        if (iod->use_sgl)
                ret = nvme_pci_setup_sgls(dev, req, &cmnd->rw, nr_mapped);
        else
                ret = nvme_pci_setup_prps(dev, req, &cmnd->rw);
-out:
        if (ret != BLK_STS_OK)
-               nvme_unmap_data(dev, req);
+               goto out_unmap_sg;
+       return BLK_STS_OK;
+
+out_unmap_sg:
+       nvme_unmap_sg(dev, req);
+out_free_sg:
+       mempool_free(iod->sg, dev->iod_mempool);
        return ret;
 }
 
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index 8a62c2fe5a5e..da6030010432 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -835,12 +835,16 @@ static int nvme_rdma_configure_admin_queue(struct 
nvme_rdma_ctrl *ctrl,
 
        error = nvme_init_identify(&ctrl->ctrl);
        if (error)
-               goto out_stop_queue;
+               goto out_quiesce_queue;
 
        return 0;
 
+out_quiesce_queue:
+       blk_mq_quiesce_queue(ctrl->ctrl.admin_q);
+       blk_sync_queue(ctrl->ctrl.admin_q);
 out_stop_queue:
        nvme_rdma_stop_queue(&ctrl->queues[0]);
+       nvme_cancel_admin_tagset(&ctrl->ctrl);
 out_cleanup_queue:
        if (new)
                blk_cleanup_queue(ctrl->ctrl.admin_q);
@@ -917,8 +921,10 @@ static int nvme_rdma_configure_io_queues(struct 
nvme_rdma_ctrl *ctrl, bool new)
 
 out_wait_freeze_timed_out:
        nvme_stop_queues(&ctrl->ctrl);
+       nvme_sync_io_queues(&ctrl->ctrl);
        nvme_rdma_stop_io_queues(ctrl);
 out_cleanup_connect_q:
+       nvme_cancel_tagset(&ctrl->ctrl);
        if (new)
                blk_cleanup_queue(ctrl->ctrl.connect_q);
 out_free_tag_set:
@@ -1054,10 +1060,18 @@ static int nvme_rdma_setup_ctrl(struct nvme_rdma_ctrl 
*ctrl, bool new)
        return 0;
 
 destroy_io:
-       if (ctrl->ctrl.queue_count > 1)
+       if (ctrl->ctrl.queue_count > 1) {
+               nvme_stop_queues(&ctrl->ctrl);
+               nvme_sync_io_queues(&ctrl->ctrl);
+               nvme_rdma_stop_io_queues(ctrl);
+               nvme_cancel_tagset(&ctrl->ctrl);
                nvme_rdma_destroy_io_queues(ctrl, new);
+       }
 destroy_admin:
+       blk_mq_quiesce_queue(ctrl->ctrl.admin_q);
+       blk_sync_queue(ctrl->ctrl.admin_q);
        nvme_rdma_stop_queue(&ctrl->queues[0]);
+       nvme_cancel_admin_tagset(&ctrl->ctrl);
        nvme_rdma_destroy_admin_queue(ctrl, new);
        return ret;
 }
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
index a554021e1ab9..77a3c488ec12 100644
--- a/drivers/nvme/host/tcp.c
+++ b/drivers/nvme/host/tcp.c
@@ -1710,8 +1710,10 @@ static int nvme_tcp_configure_io_queues(struct nvme_ctrl 
*ctrl, bool new)
 
 out_wait_freeze_timed_out:
        nvme_stop_queues(ctrl);
+       nvme_sync_io_queues(ctrl);
        nvme_tcp_stop_io_queues(ctrl);
 out_cleanup_connect_q:
+       nvme_cancel_tagset(ctrl);
        if (new)
                blk_cleanup_queue(ctrl->connect_q);
 out_free_tag_set:
@@ -1773,12 +1775,16 @@ static int nvme_tcp_configure_admin_queue(struct 
nvme_ctrl *ctrl, bool new)
 
        error = nvme_init_identify(ctrl);
        if (error)
-               goto out_stop_queue;
+               goto out_quiesce_queue;
 
        return 0;
 
+out_quiesce_queue:
+       blk_mq_quiesce_queue(ctrl->admin_q);
+       blk_sync_queue(ctrl->admin_q);
 out_stop_queue:
        nvme_tcp_stop_queue(ctrl, 0);
+       nvme_cancel_admin_tagset(ctrl);
 out_cleanup_queue:
        if (new)
                blk_cleanup_queue(ctrl->admin_q);
@@ -1892,10 +1898,18 @@ static int nvme_tcp_setup_ctrl(struct nvme_ctrl *ctrl, 
bool new)
        return 0;
 
 destroy_io:
-       if (ctrl->queue_count > 1)
+       if (ctrl->queue_count > 1) {
+               nvme_stop_queues(ctrl);
+               nvme_sync_io_queues(ctrl);
+               nvme_tcp_stop_io_queues(ctrl);
+               nvme_cancel_tagset(ctrl);
                nvme_tcp_destroy_io_queues(ctrl, new);
+       }
 destroy_admin:
+       blk_mq_quiesce_queue(ctrl->admin_q);
+       blk_sync_queue(ctrl->admin_q);
        nvme_tcp_stop_queue(ctrl, 0);
+       nvme_cancel_admin_tagset(ctrl);
        nvme_tcp_destroy_admin_queue(ctrl, new);
        return ret;
 }
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 89dece8a4132..9add26438be5 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -3471,7 +3471,14 @@ u32 pci_rebar_get_possible_sizes(struct pci_dev *pdev, 
int bar)
                return 0;
 
        pci_read_config_dword(pdev, pos + PCI_REBAR_CAP, &cap);
-       return (cap & PCI_REBAR_CAP_SIZES) >> 4;
+       cap &= PCI_REBAR_CAP_SIZES;
+
+       /* Sapphire RX 5600 XT Pulse has an invalid cap dword for BAR 0 */
+       if (pdev->vendor == PCI_VENDOR_ID_ATI && pdev->device == 0x731f &&
+           bar == 0 && cap == 0x7000)
+               cap = 0x3f000;
+
+       return cap >> 4;
 }
 
 /**
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index f954be3d5ee2..a14057c67a12 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -3331,125 +3331,125 @@ int iscsi_session_get_param(struct iscsi_cls_session 
*cls_session,
 
        switch(param) {
        case ISCSI_PARAM_FAST_ABORT:
-               len = sprintf(buf, "%d\n", session->fast_abort);
+               len = sysfs_emit(buf, "%d\n", session->fast_abort);
                break;
        case ISCSI_PARAM_ABORT_TMO:
-               len = sprintf(buf, "%d\n", session->abort_timeout);
+               len = sysfs_emit(buf, "%d\n", session->abort_timeout);
                break;
        case ISCSI_PARAM_LU_RESET_TMO:
-               len = sprintf(buf, "%d\n", session->lu_reset_timeout);
+               len = sysfs_emit(buf, "%d\n", session->lu_reset_timeout);
                break;
        case ISCSI_PARAM_TGT_RESET_TMO:
-               len = sprintf(buf, "%d\n", session->tgt_reset_timeout);
+               len = sysfs_emit(buf, "%d\n", session->tgt_reset_timeout);
                break;
        case ISCSI_PARAM_INITIAL_R2T_EN:
-               len = sprintf(buf, "%d\n", session->initial_r2t_en);
+               len = sysfs_emit(buf, "%d\n", session->initial_r2t_en);
                break;
        case ISCSI_PARAM_MAX_R2T:
-               len = sprintf(buf, "%hu\n", session->max_r2t);
+               len = sysfs_emit(buf, "%hu\n", session->max_r2t);
                break;
        case ISCSI_PARAM_IMM_DATA_EN:
-               len = sprintf(buf, "%d\n", session->imm_data_en);
+               len = sysfs_emit(buf, "%d\n", session->imm_data_en);
                break;
        case ISCSI_PARAM_FIRST_BURST:
-               len = sprintf(buf, "%u\n", session->first_burst);
+               len = sysfs_emit(buf, "%u\n", session->first_burst);
                break;
        case ISCSI_PARAM_MAX_BURST:
-               len = sprintf(buf, "%u\n", session->max_burst);
+               len = sysfs_emit(buf, "%u\n", session->max_burst);
                break;
        case ISCSI_PARAM_PDU_INORDER_EN:
-               len = sprintf(buf, "%d\n", session->pdu_inorder_en);
+               len = sysfs_emit(buf, "%d\n", session->pdu_inorder_en);
                break;
        case ISCSI_PARAM_DATASEQ_INORDER_EN:
-               len = sprintf(buf, "%d\n", session->dataseq_inorder_en);
+               len = sysfs_emit(buf, "%d\n", session->dataseq_inorder_en);
                break;
        case ISCSI_PARAM_DEF_TASKMGMT_TMO:
-               len = sprintf(buf, "%d\n", session->def_taskmgmt_tmo);
+               len = sysfs_emit(buf, "%d\n", session->def_taskmgmt_tmo);
                break;
        case ISCSI_PARAM_ERL:
-               len = sprintf(buf, "%d\n", session->erl);
+               len = sysfs_emit(buf, "%d\n", session->erl);
                break;
        case ISCSI_PARAM_TARGET_NAME:
-               len = sprintf(buf, "%s\n", session->targetname);
+               len = sysfs_emit(buf, "%s\n", session->targetname);
                break;
        case ISCSI_PARAM_TARGET_ALIAS:
-               len = sprintf(buf, "%s\n", session->targetalias);
+               len = sysfs_emit(buf, "%s\n", session->targetalias);
                break;
        case ISCSI_PARAM_TPGT:
-               len = sprintf(buf, "%d\n", session->tpgt);
+               len = sysfs_emit(buf, "%d\n", session->tpgt);
                break;
        case ISCSI_PARAM_USERNAME:
-               len = sprintf(buf, "%s\n", session->username);
+               len = sysfs_emit(buf, "%s\n", session->username);
                break;
        case ISCSI_PARAM_USERNAME_IN:
-               len = sprintf(buf, "%s\n", session->username_in);
+               len = sysfs_emit(buf, "%s\n", session->username_in);
                break;
        case ISCSI_PARAM_PASSWORD:
-               len = sprintf(buf, "%s\n", session->password);
+               len = sysfs_emit(buf, "%s\n", session->password);
                break;
        case ISCSI_PARAM_PASSWORD_IN:
-               len = sprintf(buf, "%s\n", session->password_in);
+               len = sysfs_emit(buf, "%s\n", session->password_in);
                break;
        case ISCSI_PARAM_IFACE_NAME:
-               len = sprintf(buf, "%s\n", session->ifacename);
+               len = sysfs_emit(buf, "%s\n", session->ifacename);
                break;
        case ISCSI_PARAM_INITIATOR_NAME:
-               len = sprintf(buf, "%s\n", session->initiatorname);
+               len = sysfs_emit(buf, "%s\n", session->initiatorname);
                break;
        case ISCSI_PARAM_BOOT_ROOT:
-               len = sprintf(buf, "%s\n", session->boot_root);
+               len = sysfs_emit(buf, "%s\n", session->boot_root);
                break;
        case ISCSI_PARAM_BOOT_NIC:
-               len = sprintf(buf, "%s\n", session->boot_nic);
+               len = sysfs_emit(buf, "%s\n", session->boot_nic);
                break;
        case ISCSI_PARAM_BOOT_TARGET:
-               len = sprintf(buf, "%s\n", session->boot_target);
+               len = sysfs_emit(buf, "%s\n", session->boot_target);
                break;
        case ISCSI_PARAM_AUTO_SND_TGT_DISABLE:
-               len = sprintf(buf, "%u\n", session->auto_snd_tgt_disable);
+               len = sysfs_emit(buf, "%u\n", session->auto_snd_tgt_disable);
                break;
        case ISCSI_PARAM_DISCOVERY_SESS:
-               len = sprintf(buf, "%u\n", session->discovery_sess);
+               len = sysfs_emit(buf, "%u\n", session->discovery_sess);
                break;
        case ISCSI_PARAM_PORTAL_TYPE:
-               len = sprintf(buf, "%s\n", session->portal_type);
+               len = sysfs_emit(buf, "%s\n", session->portal_type);
                break;
        case ISCSI_PARAM_CHAP_AUTH_EN:
-               len = sprintf(buf, "%u\n", session->chap_auth_en);
+               len = sysfs_emit(buf, "%u\n", session->chap_auth_en);
                break;
        case ISCSI_PARAM_DISCOVERY_LOGOUT_EN:
-               len = sprintf(buf, "%u\n", session->discovery_logout_en);
+               len = sysfs_emit(buf, "%u\n", session->discovery_logout_en);
                break;
        case ISCSI_PARAM_BIDI_CHAP_EN:
-               len = sprintf(buf, "%u\n", session->bidi_chap_en);
+               len = sysfs_emit(buf, "%u\n", session->bidi_chap_en);
                break;
        case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL:
-               len = sprintf(buf, "%u\n", session->discovery_auth_optional);
+               len = sysfs_emit(buf, "%u\n", session->discovery_auth_optional);
                break;
        case ISCSI_PARAM_DEF_TIME2WAIT:
-               len = sprintf(buf, "%d\n", session->time2wait);
+               len = sysfs_emit(buf, "%d\n", session->time2wait);
                break;
        case ISCSI_PARAM_DEF_TIME2RETAIN:
-               len = sprintf(buf, "%d\n", session->time2retain);
+               len = sysfs_emit(buf, "%d\n", session->time2retain);
                break;
        case ISCSI_PARAM_TSID:
-               len = sprintf(buf, "%u\n", session->tsid);
+               len = sysfs_emit(buf, "%u\n", session->tsid);
                break;
        case ISCSI_PARAM_ISID:
-               len = sprintf(buf, "%02x%02x%02x%02x%02x%02x\n",
+               len = sysfs_emit(buf, "%02x%02x%02x%02x%02x%02x\n",
                              session->isid[0], session->isid[1],
                              session->isid[2], session->isid[3],
                              session->isid[4], session->isid[5]);
                break;
        case ISCSI_PARAM_DISCOVERY_PARENT_IDX:
-               len = sprintf(buf, "%u\n", session->discovery_parent_idx);
+               len = sysfs_emit(buf, "%u\n", session->discovery_parent_idx);
                break;
        case ISCSI_PARAM_DISCOVERY_PARENT_TYPE:
                if (session->discovery_parent_type)
-                       len = sprintf(buf, "%s\n",
+                       len = sysfs_emit(buf, "%s\n",
                                      session->discovery_parent_type);
                else
-                       len = sprintf(buf, "\n");
+                       len = sysfs_emit(buf, "\n");
                break;
        default:
                return -ENOSYS;
@@ -3481,16 +3481,16 @@ int iscsi_conn_get_addr_param(struct sockaddr_storage 
*addr,
        case ISCSI_PARAM_CONN_ADDRESS:
        case ISCSI_HOST_PARAM_IPADDRESS:
                if (sin)
-                       len = sprintf(buf, "%pI4\n", &sin->sin_addr.s_addr);
+                       len = sysfs_emit(buf, "%pI4\n", &sin->sin_addr.s_addr);
                else
-                       len = sprintf(buf, "%pI6\n", &sin6->sin6_addr);
+                       len = sysfs_emit(buf, "%pI6\n", &sin6->sin6_addr);
                break;
        case ISCSI_PARAM_CONN_PORT:
        case ISCSI_PARAM_LOCAL_PORT:
                if (sin)
-                       len = sprintf(buf, "%hu\n", be16_to_cpu(sin->sin_port));
+                       len = sysfs_emit(buf, "%hu\n", 
be16_to_cpu(sin->sin_port));
                else
-                       len = sprintf(buf, "%hu\n",
+                       len = sysfs_emit(buf, "%hu\n",
                                      be16_to_cpu(sin6->sin6_port));
                break;
        default:
@@ -3509,88 +3509,88 @@ int iscsi_conn_get_param(struct iscsi_cls_conn 
*cls_conn,
 
        switch(param) {
        case ISCSI_PARAM_PING_TMO:
-               len = sprintf(buf, "%u\n", conn->ping_timeout);
+               len = sysfs_emit(buf, "%u\n", conn->ping_timeout);
                break;
        case ISCSI_PARAM_RECV_TMO:
-               len = sprintf(buf, "%u\n", conn->recv_timeout);
+               len = sysfs_emit(buf, "%u\n", conn->recv_timeout);
                break;
        case ISCSI_PARAM_MAX_RECV_DLENGTH:
-               len = sprintf(buf, "%u\n", conn->max_recv_dlength);
+               len = sysfs_emit(buf, "%u\n", conn->max_recv_dlength);
                break;
        case ISCSI_PARAM_MAX_XMIT_DLENGTH:
-               len = sprintf(buf, "%u\n", conn->max_xmit_dlength);
+               len = sysfs_emit(buf, "%u\n", conn->max_xmit_dlength);
                break;
        case ISCSI_PARAM_HDRDGST_EN:
-               len = sprintf(buf, "%d\n", conn->hdrdgst_en);
+               len = sysfs_emit(buf, "%d\n", conn->hdrdgst_en);
                break;
        case ISCSI_PARAM_DATADGST_EN:
-               len = sprintf(buf, "%d\n", conn->datadgst_en);
+               len = sysfs_emit(buf, "%d\n", conn->datadgst_en);
                break;
        case ISCSI_PARAM_IFMARKER_EN:
-               len = sprintf(buf, "%d\n", conn->ifmarker_en);
+               len = sysfs_emit(buf, "%d\n", conn->ifmarker_en);
                break;
        case ISCSI_PARAM_OFMARKER_EN:
-               len = sprintf(buf, "%d\n", conn->ofmarker_en);
+               len = sysfs_emit(buf, "%d\n", conn->ofmarker_en);
                break;
        case ISCSI_PARAM_EXP_STATSN:
-               len = sprintf(buf, "%u\n", conn->exp_statsn);
+               len = sysfs_emit(buf, "%u\n", conn->exp_statsn);
                break;
        case ISCSI_PARAM_PERSISTENT_PORT:
-               len = sprintf(buf, "%d\n", conn->persistent_port);
+               len = sysfs_emit(buf, "%d\n", conn->persistent_port);
                break;
        case ISCSI_PARAM_PERSISTENT_ADDRESS:
-               len = sprintf(buf, "%s\n", conn->persistent_address);
+               len = sysfs_emit(buf, "%s\n", conn->persistent_address);
                break;
        case ISCSI_PARAM_STATSN:
-               len = sprintf(buf, "%u\n", conn->statsn);
+               len = sysfs_emit(buf, "%u\n", conn->statsn);
                break;
        case ISCSI_PARAM_MAX_SEGMENT_SIZE:
-               len = sprintf(buf, "%u\n", conn->max_segment_size);
+               len = sysfs_emit(buf, "%u\n", conn->max_segment_size);
                break;
        case ISCSI_PARAM_KEEPALIVE_TMO:
-               len = sprintf(buf, "%u\n", conn->keepalive_tmo);
+               len = sysfs_emit(buf, "%u\n", conn->keepalive_tmo);
                break;
        case ISCSI_PARAM_LOCAL_PORT:
-               len = sprintf(buf, "%u\n", conn->local_port);
+               len = sysfs_emit(buf, "%u\n", conn->local_port);
                break;
        case ISCSI_PARAM_TCP_TIMESTAMP_STAT:
-               len = sprintf(buf, "%u\n", conn->tcp_timestamp_stat);
+               len = sysfs_emit(buf, "%u\n", conn->tcp_timestamp_stat);
                break;
        case ISCSI_PARAM_TCP_NAGLE_DISABLE:
-               len = sprintf(buf, "%u\n", conn->tcp_nagle_disable);
+               len = sysfs_emit(buf, "%u\n", conn->tcp_nagle_disable);
                break;
        case ISCSI_PARAM_TCP_WSF_DISABLE:
-               len = sprintf(buf, "%u\n", conn->tcp_wsf_disable);
+               len = sysfs_emit(buf, "%u\n", conn->tcp_wsf_disable);
                break;
        case ISCSI_PARAM_TCP_TIMER_SCALE:
-               len = sprintf(buf, "%u\n", conn->tcp_timer_scale);
+               len = sysfs_emit(buf, "%u\n", conn->tcp_timer_scale);
                break;
        case ISCSI_PARAM_TCP_TIMESTAMP_EN:
-               len = sprintf(buf, "%u\n", conn->tcp_timestamp_en);
+               len = sysfs_emit(buf, "%u\n", conn->tcp_timestamp_en);
                break;
        case ISCSI_PARAM_IP_FRAGMENT_DISABLE:
-               len = sprintf(buf, "%u\n", conn->fragment_disable);
+               len = sysfs_emit(buf, "%u\n", conn->fragment_disable);
                break;
        case ISCSI_PARAM_IPV4_TOS:
-               len = sprintf(buf, "%u\n", conn->ipv4_tos);
+               len = sysfs_emit(buf, "%u\n", conn->ipv4_tos);
                break;
        case ISCSI_PARAM_IPV6_TC:
-               len = sprintf(buf, "%u\n", conn->ipv6_traffic_class);
+               len = sysfs_emit(buf, "%u\n", conn->ipv6_traffic_class);
                break;
        case ISCSI_PARAM_IPV6_FLOW_LABEL:
-               len = sprintf(buf, "%u\n", conn->ipv6_flow_label);
+               len = sysfs_emit(buf, "%u\n", conn->ipv6_flow_label);
                break;
        case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6:
-               len = sprintf(buf, "%u\n", conn->is_fw_assigned_ipv6);
+               len = sysfs_emit(buf, "%u\n", conn->is_fw_assigned_ipv6);
                break;
        case ISCSI_PARAM_TCP_XMIT_WSF:
-               len = sprintf(buf, "%u\n", conn->tcp_xmit_wsf);
+               len = sysfs_emit(buf, "%u\n", conn->tcp_xmit_wsf);
                break;
        case ISCSI_PARAM_TCP_RECV_WSF:
-               len = sprintf(buf, "%u\n", conn->tcp_recv_wsf);
+               len = sysfs_emit(buf, "%u\n", conn->tcp_recv_wsf);
                break;
        case ISCSI_PARAM_LOCAL_IPADDR:
-               len = sprintf(buf, "%s\n", conn->local_ipaddr);
+               len = sysfs_emit(buf, "%s\n", conn->local_ipaddr);
                break;
        default:
                return -ENOSYS;
@@ -3608,13 +3608,13 @@ int iscsi_host_get_param(struct Scsi_Host *shost, enum 
iscsi_host_param param,
 
        switch (param) {
        case ISCSI_HOST_PARAM_NETDEV_NAME:
-               len = sprintf(buf, "%s\n", ihost->netdev);
+               len = sysfs_emit(buf, "%s\n", ihost->netdev);
                break;
        case ISCSI_HOST_PARAM_HWADDRESS:
-               len = sprintf(buf, "%s\n", ihost->hwaddress);
+               len = sysfs_emit(buf, "%s\n", ihost->hwaddress);
                break;
        case ISCSI_HOST_PARAM_INITIATOR_NAME:
-               len = sprintf(buf, "%s\n", ihost->initiatorname);
+               len = sysfs_emit(buf, "%s\n", ihost->initiatorname);
                break;
        default:
                return -ENOSYS;
diff --git a/drivers/scsi/scsi_transport_iscsi.c 
b/drivers/scsi/scsi_transport_iscsi.c
index dbad926e8f87..a26df7d6d5d1 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -124,7 +124,11 @@ show_transport_handle(struct device *dev, struct 
device_attribute *attr,
                      char *buf)
 {
        struct iscsi_internal *priv = dev_to_iscsi_internal(dev);
-       return sprintf(buf, "%llu\n", (unsigned long 
long)iscsi_handle(priv->iscsi_transport));
+
+       if (!capable(CAP_SYS_ADMIN))
+               return -EACCES;
+       return sysfs_emit(buf, "%llu\n",
+                 (unsigned long long)iscsi_handle(priv->iscsi_transport));
 }
 static DEVICE_ATTR(handle, S_IRUGO, show_transport_handle, NULL);
 
@@ -134,7 +138,7 @@ show_transport_##name(struct device *dev,                   
        \
                      struct device_attribute *attr,char *buf)          \
 {                                                                      \
        struct iscsi_internal *priv = dev_to_iscsi_internal(dev);       \
-       return sprintf(buf, format"\n", priv->iscsi_transport->name);   \
+       return sysfs_emit(buf, format"\n", priv->iscsi_transport->name);\
 }                                                                      \
 static DEVICE_ATTR(name, S_IRUGO, show_transport_##name, NULL);
 
@@ -175,7 +179,7 @@ static ssize_t
 show_ep_handle(struct device *dev, struct device_attribute *attr, char *buf)
 {
        struct iscsi_endpoint *ep = iscsi_dev_to_endpoint(dev);
-       return sprintf(buf, "%llu\n", (unsigned long long) ep->id);
+       return sysfs_emit(buf, "%llu\n", (unsigned long long) ep->id);
 }
 static ISCSI_ATTR(ep, handle, S_IRUGO, show_ep_handle, NULL);
 
@@ -2765,6 +2769,9 @@ iscsi_set_param(struct iscsi_transport *transport, struct 
iscsi_uevent *ev)
        struct iscsi_cls_session *session;
        int err = 0, value = 0;
 
+       if (ev->u.set_param.len > PAGE_SIZE)
+               return -EINVAL;
+
        session = iscsi_session_lookup(ev->u.set_param.sid);
        conn = iscsi_conn_lookup(ev->u.set_param.sid, ev->u.set_param.cid);
        if (!conn || !session)
@@ -2912,6 +2919,9 @@ iscsi_set_host_param(struct iscsi_transport *transport,
        if (!transport->set_host_param)
                return -ENOSYS;
 
+       if (ev->u.set_host_param.len > PAGE_SIZE)
+               return -EINVAL;
+
        shost = scsi_host_lookup(ev->u.set_host_param.host_no);
        if (!shost) {
                printk(KERN_ERR "set_host_param could not find host no %u\n",
@@ -3499,6 +3509,7 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr 
*nlh, uint32_t *group)
 {
        int err = 0;
        u32 portid;
+       u32 pdu_len;
        struct iscsi_uevent *ev = nlmsg_data(nlh);
        struct iscsi_transport *transport = NULL;
        struct iscsi_internal *priv;
@@ -3506,6 +3517,9 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr 
*nlh, uint32_t *group)
        struct iscsi_cls_conn *conn;
        struct iscsi_endpoint *ep = NULL;
 
+       if (!netlink_capable(skb, CAP_SYS_ADMIN))
+               return -EPERM;
+
        if (nlh->nlmsg_type == ISCSI_UEVENT_PATH_UPDATE)
                *group = ISCSI_NL_GRP_UIP;
        else
@@ -3613,6 +3627,14 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr 
*nlh, uint32_t *group)
                        err = -EINVAL;
                break;
        case ISCSI_UEVENT_SEND_PDU:
+               pdu_len = nlh->nlmsg_len - sizeof(*nlh) - sizeof(*ev);
+
+               if ((ev->u.send_pdu.hdr_size > pdu_len) ||
+                   (ev->u.send_pdu.data_size > (pdu_len - 
ev->u.send_pdu.hdr_size))) {
+                       err = -EINVAL;
+                       break;
+               }
+
                conn = iscsi_conn_lookup(ev->u.send_pdu.sid, 
ev->u.send_pdu.cid);
                if (conn)
                        ev->r.retcode = transport->send_pdu(conn,
@@ -4019,7 +4041,7 @@ show_priv_session_state(struct device *dev, struct 
device_attribute *attr,
                        char *buf)
 {
        struct iscsi_cls_session *session = iscsi_dev_to_session(dev->parent);
-       return sprintf(buf, "%s\n", iscsi_session_state_name(session->state));
+       return sysfs_emit(buf, "%s\n", 
iscsi_session_state_name(session->state));
 }
 static ISCSI_CLASS_ATTR(priv_sess, state, S_IRUGO, show_priv_session_state,
                        NULL);
@@ -4028,7 +4050,7 @@ show_priv_session_creator(struct device *dev, struct 
device_attribute *attr,
                        char *buf)
 {
        struct iscsi_cls_session *session = iscsi_dev_to_session(dev->parent);
-       return sprintf(buf, "%d\n", session->creator);
+       return sysfs_emit(buf, "%d\n", session->creator);
 }
 static ISCSI_CLASS_ATTR(priv_sess, creator, S_IRUGO, show_priv_session_creator,
                        NULL);
@@ -4037,7 +4059,7 @@ show_priv_session_target_id(struct device *dev, struct 
device_attribute *attr,
                            char *buf)
 {
        struct iscsi_cls_session *session = iscsi_dev_to_session(dev->parent);
-       return sprintf(buf, "%d\n", session->target_id);
+       return sysfs_emit(buf, "%d\n", session->target_id);
 }
 static ISCSI_CLASS_ATTR(priv_sess, target_id, S_IRUGO,
                        show_priv_session_target_id, NULL);
@@ -4050,8 +4072,8 @@ show_priv_session_##field(struct device *dev,             
                \
        struct iscsi_cls_session *session =                             \
                        iscsi_dev_to_session(dev->parent);              \
        if (session->field == -1)                                       \
-               return sprintf(buf, "off\n");                           \
-       return sprintf(buf, format"\n", session->field);                \
+               return sysfs_emit(buf, "off\n");                        \
+       return sysfs_emit(buf, format"\n", session->field);             \
 }
 
 #define iscsi_priv_session_attr_store(field)                           \
diff --git a/drivers/staging/fwserial/fwserial.c 
b/drivers/staging/fwserial/fwserial.c
index aec0f19597a9..4df6e3c1ea96 100644
--- a/drivers/staging/fwserial/fwserial.c
+++ b/drivers/staging/fwserial/fwserial.c
@@ -2189,6 +2189,7 @@ static int fwserial_create(struct fw_unit *unit)
                err = fw_core_add_address_handler(&port->rx_handler,
                                                  &fw_high_memory_region);
                if (err) {
+                       tty_port_destroy(&port->port);
                        kfree(port);
                        goto free_ports;
                }
@@ -2271,6 +2272,7 @@ static int fwserial_create(struct fw_unit *unit)
 
 free_ports:
        for (--i; i >= 0; --i) {
+               fw_core_remove_address_handler(&serial->ports[i]->rx_handler);
                tty_port_destroy(&serial->ports[i]->port);
                kfree(serial->ports[i]);
        }
diff --git a/drivers/staging/most/sound/sound.c 
b/drivers/staging/most/sound/sound.c
index 79817061fcfa..4225ee9fcf7b 100644
--- a/drivers/staging/most/sound/sound.c
+++ b/drivers/staging/most/sound/sound.c
@@ -98,6 +98,8 @@ static void swap_copy24(u8 *dest, const u8 *source, unsigned 
int bytes)
 {
        unsigned int i = 0;
 
+       if (bytes < 2)
+               return;
        while (i < bytes - 2) {
                dest[i] = source[i + 2];
                dest[i + 1] = source[i + 1];
diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-ctl.c 
b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-ctl.c
index 4c2cae99776b..3703409715da 100644
--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-ctl.c
+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-ctl.c
@@ -224,7 +224,7 @@ int snd_bcm2835_new_ctl(struct bcm2835_chip *chip)
 {
        int err;
 
-       strcpy(chip->card->mixername, "Broadcom Mixer");
+       strscpy(chip->card->mixername, "Broadcom Mixer", 
sizeof(chip->card->mixername));
        err = create_ctls(chip, ARRAY_SIZE(snd_bcm2835_ctl), snd_bcm2835_ctl);
        if (err < 0)
                return err;
@@ -261,7 +261,7 @@ static const struct snd_kcontrol_new 
snd_bcm2835_headphones_ctl[] = {
 
 int snd_bcm2835_new_headphones_ctl(struct bcm2835_chip *chip)
 {
-       strcpy(chip->card->mixername, "Broadcom Mixer");
+       strscpy(chip->card->mixername, "Broadcom Mixer", 
sizeof(chip->card->mixername));
        return create_ctls(chip, ARRAY_SIZE(snd_bcm2835_headphones_ctl),
                           snd_bcm2835_headphones_ctl);
 }
@@ -295,7 +295,7 @@ static const struct snd_kcontrol_new snd_bcm2835_hdmi[] = {
 
 int snd_bcm2835_new_hdmi_ctl(struct bcm2835_chip *chip)
 {
-       strcpy(chip->card->mixername, "Broadcom Mixer");
+       strscpy(chip->card->mixername, "Broadcom Mixer", 
sizeof(chip->card->mixername));
        return create_ctls(chip, ARRAY_SIZE(snd_bcm2835_hdmi),
                           snd_bcm2835_hdmi);
 }
diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c 
b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
index 826016c3431a..8708f97b46f3 100644
--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
@@ -351,7 +351,7 @@ int snd_bcm2835_new_pcm(struct bcm2835_chip *chip, const 
char *name,
 
        pcm->private_data = chip;
        pcm->nonatomic = true;
-       strcpy(pcm->name, name);
+       strscpy(pcm->name, name, sizeof(pcm->name));
        if (!spdif) {
                chip->dest = route;
                chip->volume = 0;
diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c 
b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c
index cf5f80f5ca6b..c250fbef2fa3 100644
--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c
+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c
@@ -185,9 +185,9 @@ static int snd_add_child_device(struct device *dev,
                goto error;
        }
 
-       strcpy(card->driver, audio_driver->driver.name);
-       strcpy(card->shortname, audio_driver->shortname);
-       strcpy(card->longname, audio_driver->longname);
+       strscpy(card->driver, audio_driver->driver.name, sizeof(card->driver));
+       strscpy(card->shortname, audio_driver->shortname, 
sizeof(card->shortname));
+       strscpy(card->longname, audio_driver->longname, sizeof(card->longname));
 
        err = audio_driver->newpcm(chip, audio_driver->shortname,
                audio_driver->route,
diff --git a/drivers/tty/vt/consolemap.c b/drivers/tty/vt/consolemap.c
index b28aa0d289f8..251c02af1fc3 100644
--- a/drivers/tty/vt/consolemap.c
+++ b/drivers/tty/vt/consolemap.c
@@ -495,7 +495,7 @@ con_insert_unipair(struct uni_pagedir *p, u_short unicode, 
u_short fontpos)
 
        p2[unicode & 0x3f] = fontpos;
        
-       p->sum += (fontpos << 20) + unicode;
+       p->sum += (fontpos << 20U) + unicode;
 
        return 0;
 }
diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c
index fe373b63ddd6..ecbfbbf1c1a7 100644
--- a/drivers/video/fbdev/udlfb.c
+++ b/drivers/video/fbdev/udlfb.c
@@ -1017,6 +1017,7 @@ static void dlfb_ops_destroy(struct fb_info *info)
        }
        vfree(dlfb->backing_buffer);
        kfree(dlfb->edid);
+       dlfb_free_urb_list(dlfb);
        usb_put_dev(dlfb->udev);
        kfree(dlfb);
 
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index c346ee7ec18d..aca6c467d776 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1212,7 +1212,6 @@ static noinline int commit_fs_roots(struct 
btrfs_trans_handle *trans)
        struct btrfs_root *gang[8];
        int i;
        int ret;
-       int err = 0;
 
        spin_lock(&fs_info->fs_roots_radix_lock);
        while (1) {
@@ -1224,6 +1223,8 @@ static noinline int commit_fs_roots(struct 
btrfs_trans_handle *trans)
                        break;
                for (i = 0; i < ret; i++) {
                        struct btrfs_root *root = gang[i];
+                       int ret2;
+
                        radix_tree_tag_clear(&fs_info->fs_roots_radix,
                                        (unsigned long)root->root_key.objectid,
                                        BTRFS_ROOT_TRANS_TAG);
@@ -1245,17 +1246,17 @@ static noinline int commit_fs_roots(struct 
btrfs_trans_handle *trans)
                                                    root->node);
                        }
 
-                       err = btrfs_update_root(trans, fs_info->tree_root,
+                       ret2 = btrfs_update_root(trans, fs_info->tree_root,
                                                &root->root_key,
                                                &root->root_item);
+                       if (ret2)
+                               return ret2;
                        spin_lock(&fs_info->fs_roots_radix_lock);
-                       if (err)
-                               break;
                        btrfs_qgroup_free_meta_all_pertrans(root);
                }
        }
        spin_unlock(&fs_info->fs_roots_radix_lock);
-       return err;
+       return 0;
 }
 
 /*
diff --git a/fs/erofs/super.c b/fs/erofs/super.c
index 0e369494f2f2..22e059b4f745 100644
--- a/fs/erofs/super.c
+++ b/fs/erofs/super.c
@@ -124,8 +124,8 @@ static int erofs_read_superblock(struct super_block *sb)
        blkszbits = dsb->blkszbits;
        /* 9(512 bytes) + LOG_SECTORS_PER_BLOCK == LOG_BLOCK_SIZE */
        if (blkszbits != LOG_BLOCK_SIZE) {
-               erofs_err(sb, "blksize %u isn't supported on this platform",
-                         1 << blkszbits);
+               erofs_err(sb, "blkszbits %u isn't supported on this platform",
+                         blkszbits);
                goto out;
        }
 
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 5d9584281935..3a97ac56821b 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -797,7 +797,11 @@ static int __f2fs_tmpfile(struct inode *dir, struct dentry 
*dentry,
 
        if (whiteout) {
                f2fs_i_links_write(inode, false);
+
+               spin_lock(&inode->i_lock);
                inode->i_state |= I_LINKABLE;
+               spin_unlock(&inode->i_lock);
+
                *whiteout = inode;
        } else {
                d_tmpfile(dentry, inode);
@@ -996,7 +1000,11 @@ static int f2fs_rename(struct inode *old_dir, struct 
dentry *old_dentry,
                err = f2fs_add_link(old_dentry, whiteout);
                if (err)
                        goto put_out_dir;
+
+               spin_lock(&whiteout->i_lock);
                whiteout->i_state &= ~I_LINKABLE;
+               spin_unlock(&whiteout->i_lock);
+
                iput(whiteout);
        }
 
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 325781a1ae4d..2034b9a07d63 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -88,11 +88,11 @@
 #define BLKS_PER_SEC(sbi)                                      \
        ((sbi)->segs_per_sec * (sbi)->blocks_per_seg)
 #define GET_SEC_FROM_SEG(sbi, segno)                           \
-       ((segno) / (sbi)->segs_per_sec)
+       (((segno) == -1) ? -1: (segno) / (sbi)->segs_per_sec)
 #define GET_SEG_FROM_SEC(sbi, secno)                           \
        ((secno) * (sbi)->segs_per_sec)
 #define GET_ZONE_FROM_SEC(sbi, secno)                          \
-       ((secno) / (sbi)->secs_per_zone)
+       (((secno) == -1) ? -1: (secno) / (sbi)->secs_per_zone)
 #define GET_ZONE_FROM_SEG(sbi, segno)                          \
        GET_ZONE_FROM_SEC(sbi, GET_SEC_FROM_SEG(sbi, segno))
 
diff --git a/fs/jfs/jfs_filsys.h b/fs/jfs/jfs_filsys.h
index 1e899298f7f0..b5d702df7111 100644
--- a/fs/jfs/jfs_filsys.h
+++ b/fs/jfs/jfs_filsys.h
@@ -268,5 +268,6 @@
                                 * fsck() must be run to repair
                                 */
 #define        FM_EXTENDFS 0x00000008  /* file system extendfs() in progress */
+#define        FM_STATE_MAX 0x0000000f /* max value of s_state */
 
 #endif                         /* _H_JFS_FILSYS */
diff --git a/fs/jfs/jfs_mount.c b/fs/jfs/jfs_mount.c
index eb8b9e233d73..616de103dccc 100644
--- a/fs/jfs/jfs_mount.c
+++ b/fs/jfs/jfs_mount.c
@@ -36,6 +36,7 @@
 
 #include <linux/fs.h>
 #include <linux/buffer_head.h>
+#include <linux/log2.h>
 
 #include "jfs_incore.h"
 #include "jfs_filsys.h"
@@ -365,6 +366,15 @@ static int chkSuper(struct super_block *sb)
        sbi->bsize = bsize;
        sbi->l2bsize = le16_to_cpu(j_sb->s_l2bsize);
 
+       /* check some fields for possible corruption */
+       if (sbi->l2bsize != ilog2((u32)bsize) ||
+           j_sb->pad != 0 ||
+           le32_to_cpu(j_sb->s_state) > FM_STATE_MAX) {
+               rc = -EINVAL;
+               jfs_err("jfs_mount: Mount Failure: superblock is corrupt!");
+               goto out;
+       }
+
        /*
         * For now, ignore s_pbsize, l2bfactor.  All I/O going through buffer
         * cache.
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index 130fc6fbcc03..4f7cf975b27c 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -15,6 +15,7 @@
 #include <linux/list.h>
 #include <linux/mutex.h>
 #include <linux/seq_file.h>
+#include <linux/mm.h>
 
 #include "sysfs.h"
 
@@ -558,3 +559,57 @@ void sysfs_remove_bin_file(struct kobject *kobj,
        kernfs_remove_by_name(kobj->sd, attr->attr.name);
 }
 EXPORT_SYMBOL_GPL(sysfs_remove_bin_file);
+
+/**
+ *     sysfs_emit - scnprintf equivalent, aware of PAGE_SIZE buffer.
+ *     @buf:   start of PAGE_SIZE buffer.
+ *     @fmt:   format
+ *     @...:   optional arguments to @format
+ *
+ *
+ * Returns number of characters written to @buf.
+ */
+int sysfs_emit(char *buf, const char *fmt, ...)
+{
+       va_list args;
+       int len;
+
+       if (WARN(!buf || offset_in_page(buf),
+                "invalid sysfs_emit: buf:%p\n", buf))
+               return 0;
+
+       va_start(args, fmt);
+       len = vscnprintf(buf, PAGE_SIZE, fmt, args);
+       va_end(args);
+
+       return len;
+}
+EXPORT_SYMBOL_GPL(sysfs_emit);
+
+/**
+ *     sysfs_emit_at - scnprintf equivalent, aware of PAGE_SIZE buffer.
+ *     @buf:   start of PAGE_SIZE buffer.
+ *     @at:    offset in @buf to start write in bytes
+ *             @at must be >= 0 && < PAGE_SIZE
+ *     @fmt:   format
+ *     @...:   optional arguments to @fmt
+ *
+ *
+ * Returns number of characters written starting at &@buf[@at].
+ */
+int sysfs_emit_at(char *buf, int at, const char *fmt, ...)
+{
+       va_list args;
+       int len;
+
+       if (WARN(!buf || offset_in_page(buf) || at < 0 || at >= PAGE_SIZE,
+                "invalid sysfs_emit_at: buf:%p at:%d\n", buf, at))
+               return 0;
+
+       va_start(args, fmt);
+       len = vscnprintf(buf + at, PAGE_SIZE - at, fmt, args);
+       va_end(args);
+
+       return len;
+}
+EXPORT_SYMBOL_GPL(sysfs_emit_at);
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index dec511823fcb..ca8c763902b9 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -839,7 +839,7 @@ xfs_setattr_size(
        ASSERT(xfs_isilocked(ip, XFS_MMAPLOCK_EXCL));
        ASSERT(S_ISREG(inode->i_mode));
        ASSERT((iattr->ia_valid & (ATTR_UID|ATTR_GID|ATTR_ATIME|ATTR_ATIME_SET|
-               ATTR_MTIME_SET|ATTR_KILL_PRIV|ATTR_TIMES_SET)) == 0);
+               ATTR_MTIME_SET|ATTR_TIMES_SET)) == 0);
 
        oldsize = inode->i_size;
        newsize = iattr->ia_size;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 3e0692fd6282..db1b9623977c 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -3679,6 +3679,9 @@ int dev_pre_changeaddr_notify(struct net_device *dev, 
const char *addr,
                              struct netlink_ext_ack *extack);
 int dev_set_mac_address(struct net_device *dev, struct sockaddr *sa,
                        struct netlink_ext_ack *extack);
+int dev_set_mac_address_user(struct net_device *dev, struct sockaddr *sa,
+                            struct netlink_ext_ack *extack);
+int dev_get_mac_address(struct sockaddr *sa, struct net *net, char *dev_name);
 int dev_change_carrier(struct net_device *, bool new_carrier);
 int dev_get_phys_port_id(struct net_device *dev,
                         struct netdev_phys_item_id *ppid);
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 063c0c1e112b..136a929648ef 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -473,6 +473,7 @@ struct backing_dev_info;
 extern int init_swap_address_space(unsigned int type, unsigned long nr_pages);
 extern void exit_swap_address_space(unsigned int type);
 extern struct swap_info_struct *get_swap_device(swp_entry_t entry);
+sector_t swap_page_sector(struct page *page);
 
 static inline void put_swap_device(struct swap_info_struct *si)
 {
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index fa7ee503fb76..428707ac3c0b 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -310,6 +310,11 @@ static inline void sysfs_enable_ns(struct kernfs_node *kn)
        return kernfs_enable_ns(kn);
 }
 
+__printf(2, 3)
+int sysfs_emit(char *buf, const char *fmt, ...);
+__printf(3, 4)
+int sysfs_emit_at(char *buf, int at, const char *fmt, ...);
+
 #else /* CONFIG_SYSFS */
 
 static inline int sysfs_create_dir_ns(struct kobject *kobj, const void *ns)
@@ -522,6 +527,17 @@ static inline void sysfs_enable_ns(struct kernfs_node *kn)
 {
 }
 
+__printf(2, 3)
+static inline int sysfs_emit(char *buf, const char *fmt, ...)
+{
+       return 0;
+}
+
+__printf(3, 4)
+static inline int sysfs_emit_at(char *buf, int at, const char *fmt, ...)
+{
+       return 0;
+}
 #endif /* CONFIG_SYSFS */
 
 static inline int __must_check sysfs_create_file(struct kobject *kobj,
diff --git a/include/linux/zsmalloc.h b/include/linux/zsmalloc.h
index 4807ca4d52e0..2a430e713ce5 100644
--- a/include/linux/zsmalloc.h
+++ b/include/linux/zsmalloc.h
@@ -35,7 +35,7 @@ enum zs_mapmode {
 
 struct zs_pool_stats {
        /* How many pages were migrated (freed) */
-       unsigned long pages_compacted;
+       atomic_long_t pages_compacted;
 };
 
 struct zs_pool;
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 7841e738e38f..2ce61018e33b 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -254,8 +254,9 @@ static enum hrtimer_restart hrtick(struct hrtimer *timer)
 static void __hrtick_restart(struct rq *rq)
 {
        struct hrtimer *timer = &rq->hrtick_timer;
+       ktime_t time = rq->hrtick_time;
 
-       hrtimer_start_expires(timer, HRTIMER_MODE_ABS_PINNED_HARD);
+       hrtimer_start(timer, time, HRTIMER_MODE_ABS_PINNED_HARD);
 }
 
 /*
@@ -280,7 +281,6 @@ static void __hrtick_start(void *arg)
 void hrtick_start(struct rq *rq, u64 delay)
 {
        struct hrtimer *timer = &rq->hrtick_timer;
-       ktime_t time;
        s64 delta;
 
        /*
@@ -288,9 +288,7 @@ void hrtick_start(struct rq *rq, u64 delay)
         * doesn't make sense and can cause timer DoS.
         */
        delta = max_t(s64, delay, 10000LL);
-       time = ktime_add_ns(timer->base->get_time(), delta);
-
-       hrtimer_set_expires(timer, time);
+       rq->hrtick_time = ktime_add_ns(timer->base->get_time(), delta);
 
        if (rq == this_rq()) {
                __hrtick_restart(rq);
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index e10fb9bf2988..4e490e3db2f8 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -973,6 +973,7 @@ struct rq {
        call_single_data_t      hrtick_csd;
 #endif
        struct hrtimer          hrtick_timer;
+       ktime_t                 hrtick_time;
 #endif
 
 #ifdef CONFIG_SCHEDSTATS
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 2cd4c7f43dcd..4033b6ce01c4 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -4902,21 +4902,23 @@ static bool vma_shareable(struct vm_area_struct *vma, 
unsigned long addr)
 void adjust_range_if_pmd_sharing_possible(struct vm_area_struct *vma,
                                unsigned long *start, unsigned long *end)
 {
-       unsigned long a_start, a_end;
+       unsigned long v_start = ALIGN(vma->vm_start, PUD_SIZE),
+               v_end = ALIGN_DOWN(vma->vm_end, PUD_SIZE);
 
-       if (!(vma->vm_flags & VM_MAYSHARE))
+       /*
+        * vma need span at least one aligned PUD size and the start,end range
+        * must at least partialy within it.
+        */
+       if (!(vma->vm_flags & VM_MAYSHARE) || !(v_end > v_start) ||
+               (*end <= v_start) || (*start >= v_end))
                return;
 
        /* Extend the range to be PUD aligned for a worst case scenario */
-       a_start = ALIGN_DOWN(*start, PUD_SIZE);
-       a_end = ALIGN(*end, PUD_SIZE);
+       if (*start > v_start)
+               *start = ALIGN_DOWN(*start, PUD_SIZE);
 
-       /*
-        * Intersect the range with the vma range, since pmd sharing won't be
-        * across vma after all
-        */
-       *start = max(vma->vm_start, a_start);
-       *end = min(vma->vm_end, a_end);
+       if (*end < v_end)
+               *end = ALIGN(*end, PUD_SIZE);
 }
 
 /*
diff --git a/mm/page_io.c b/mm/page_io.c
index 60a66a58b9bf..bcf27d057253 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -260,11 +260,6 @@ int swap_writepage(struct page *page, struct 
writeback_control *wbc)
        return ret;
 }
 
-static sector_t swap_page_sector(struct page *page)
-{
-       return (sector_t)__page_file_index(page) << (PAGE_SHIFT - 9);
-}
-
 static inline void count_swpout_vm_event(struct page *page)
 {
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 7947633d3ced..f6964212c6c8 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -221,6 +221,19 @@ offset_to_swap_extent(struct swap_info_struct *sis, 
unsigned long offset)
        BUG();
 }
 
+sector_t swap_page_sector(struct page *page)
+{
+       struct swap_info_struct *sis = page_swap_info(page);
+       struct swap_extent *se;
+       sector_t sector;
+       pgoff_t offset;
+
+       offset = __page_file_index(page);
+       se = offset_to_swap_extent(sis, offset);
+       sector = se->start_block + (offset - se->start_page);
+       return sector << (PAGE_SHIFT - 9);
+}
+
 /*
  * swap allocation tell device that a cluster of swap can now be discarded,
  * to allow the swap device to optimize its wear-levelling.
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 8a72a3b3837b..443b3b1c9581 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -2216,11 +2216,13 @@ static unsigned long zs_can_compact(struct size_class 
*class)
        return obj_wasted * class->pages_per_zspage;
 }
 
-static void __zs_compact(struct zs_pool *pool, struct size_class *class)
+static unsigned long __zs_compact(struct zs_pool *pool,
+                                 struct size_class *class)
 {
        struct zs_compact_control cc;
        struct zspage *src_zspage;
        struct zspage *dst_zspage = NULL;
+       unsigned long pages_freed = 0;
 
        spin_lock(&class->lock);
        while ((src_zspage = isolate_zspage(class, true))) {
@@ -2250,7 +2252,7 @@ static void __zs_compact(struct zs_pool *pool, struct 
size_class *class)
                putback_zspage(class, dst_zspage);
                if (putback_zspage(class, src_zspage) == ZS_EMPTY) {
                        free_zspage(pool, class, src_zspage);
-                       pool->stats.pages_compacted += class->pages_per_zspage;
+                       pages_freed += class->pages_per_zspage;
                }
                spin_unlock(&class->lock);
                cond_resched();
@@ -2261,12 +2263,15 @@ static void __zs_compact(struct zs_pool *pool, struct 
size_class *class)
                putback_zspage(class, src_zspage);
 
        spin_unlock(&class->lock);
+
+       return pages_freed;
 }
 
 unsigned long zs_compact(struct zs_pool *pool)
 {
        int i;
        struct size_class *class;
+       unsigned long pages_freed = 0;
 
        for (i = ZS_SIZE_CLASSES - 1; i >= 0; i--) {
                class = pool->size_class[i];
@@ -2274,10 +2279,11 @@ unsigned long zs_compact(struct zs_pool *pool)
                        continue;
                if (class->index != i)
                        continue;
-               __zs_compact(pool, class);
+               pages_freed += __zs_compact(pool, class);
        }
+       atomic_long_add(pages_freed, &pool->stats.pages_compacted);
 
-       return pool->stats.pages_compacted;
+       return pages_freed;
 }
 EXPORT_SYMBOL_GPL(zs_compact);
 
@@ -2294,13 +2300,12 @@ static unsigned long zs_shrinker_scan(struct shrinker 
*shrinker,
        struct zs_pool *pool = container_of(shrinker, struct zs_pool,
                        shrinker);
 
-       pages_freed = pool->stats.pages_compacted;
        /*
         * Compact classes and calculate compaction delta.
         * Can run concurrently with a manually triggered
         * (by user) compaction.
         */
-       pages_freed = zs_compact(pool) - pages_freed;
+       pages_freed = zs_compact(pool);
 
        return pages_freed ? pages_freed : SHRINK_STOP;
 }
diff --git a/net/bluetooth/amp.c b/net/bluetooth/amp.c
index 9c711f0dfae3..be2d469d6369 100644
--- a/net/bluetooth/amp.c
+++ b/net/bluetooth/amp.c
@@ -297,6 +297,9 @@ void amp_read_loc_assoc_final_data(struct hci_dev *hdev,
        struct hci_request req;
        int err;
 
+       if (!mgr)
+               return;
+
        cp.phy_handle = hcon->handle;
        cp.len_so_far = cpu_to_le16(0);
        cp.max_len = cpu_to_le16(hdev->amp_assoc_size);
diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c
index 7a59cdddd3ce..5047e9c2333a 100644
--- a/net/bridge/br_sysfs_if.c
+++ b/net/bridge/br_sysfs_if.c
@@ -55,9 +55,8 @@ static BRPORT_ATTR(_name, 0644,                               
        \
 static int store_flag(struct net_bridge_port *p, unsigned long v,
                      unsigned long mask)
 {
-       unsigned long flags;
-
-       flags = p->flags;
+       unsigned long flags = p->flags;
+       int err;
 
        if (v)
                flags |= mask;
@@ -65,6 +64,10 @@ static int store_flag(struct net_bridge_port *p, unsigned 
long v,
                flags &= ~mask;
 
        if (flags != p->flags) {
+               err = br_switchdev_set_port_flag(p, flags, mask);
+               if (err)
+                       return err;
+
                p->flags = flags;
                br_port_flags_change(p, mask);
        }
diff --git a/net/core/dev.c b/net/core/dev.c
index d90e8bd87df8..e732faade5dc 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -8144,6 +8144,48 @@ int dev_set_mac_address(struct net_device *dev, struct 
sockaddr *sa,
 }
 EXPORT_SYMBOL(dev_set_mac_address);
 
+static DECLARE_RWSEM(dev_addr_sem);
+
+int dev_set_mac_address_user(struct net_device *dev, struct sockaddr *sa,
+                            struct netlink_ext_ack *extack)
+{
+       int ret;
+
+       down_write(&dev_addr_sem);
+       ret = dev_set_mac_address(dev, sa, extack);
+       up_write(&dev_addr_sem);
+       return ret;
+}
+EXPORT_SYMBOL(dev_set_mac_address_user);
+
+int dev_get_mac_address(struct sockaddr *sa, struct net *net, char *dev_name)
+{
+       size_t size = sizeof(sa->sa_data);
+       struct net_device *dev;
+       int ret = 0;
+
+       down_read(&dev_addr_sem);
+       rcu_read_lock();
+
+       dev = dev_get_by_name_rcu(net, dev_name);
+       if (!dev) {
+               ret = -ENODEV;
+               goto unlock;
+       }
+       if (!dev->addr_len)
+               memset(sa->sa_data, 0, size);
+       else
+               memcpy(sa->sa_data, dev->dev_addr,
+                      min_t(size_t, size, dev->addr_len));
+       sa->sa_family = dev->type;
+
+unlock:
+       rcu_read_unlock();
+       up_read(&dev_addr_sem);
+       return ret;
+}
+EXPORT_SYMBOL(dev_get_mac_address);
+
 /**
  *     dev_change_carrier - Change device carrier
  *     @dev: device
diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c
index 5163d900bb4f..69fb9219d51d 100644
--- a/net/core/dev_ioctl.c
+++ b/net/core/dev_ioctl.c
@@ -122,17 +122,6 @@ static int dev_ifsioc_locked(struct net *net, struct ifreq 
*ifr, unsigned int cm
                ifr->ifr_mtu = dev->mtu;
                return 0;
 
-       case SIOCGIFHWADDR:
-               if (!dev->addr_len)
-                       memset(ifr->ifr_hwaddr.sa_data, 0,
-                              sizeof(ifr->ifr_hwaddr.sa_data));
-               else
-                       memcpy(ifr->ifr_hwaddr.sa_data, dev->dev_addr,
-                              min(sizeof(ifr->ifr_hwaddr.sa_data),
-                                  (size_t)dev->addr_len));
-               ifr->ifr_hwaddr.sa_family = dev->type;
-               return 0;
-
        case SIOCGIFSLAVE:
                err = -EINVAL;
                break;
@@ -246,7 +235,7 @@ static int dev_ifsioc(struct net *net, struct ifreq *ifr, 
unsigned int cmd)
        case SIOCSIFHWADDR:
                if (dev->addr_len > sizeof(struct sockaddr))
                        return -EINVAL;
-               return dev_set_mac_address(dev, &ifr->ifr_hwaddr, NULL);
+               return dev_set_mac_address_user(dev, &ifr->ifr_hwaddr, NULL);
 
        case SIOCSIFHWBROADCAST:
                if (ifr->ifr_hwaddr.sa_family != dev->type)
@@ -396,6 +385,12 @@ int dev_ioctl(struct net *net, unsigned int cmd, struct 
ifreq *ifr, bool *need_c
         */
 
        switch (cmd) {
+       case SIOCGIFHWADDR:
+               dev_load(net, ifr->ifr_name);
+               ret = dev_get_mac_address(&ifr->ifr_hwaddr, net, ifr->ifr_name);
+               if (colon)
+                       *colon = ':';
+               return ret;
        /*
         *      These ioctl calls:
         *      - can be done by all.
@@ -405,7 +400,6 @@ int dev_ioctl(struct net *net, unsigned int cmd, struct 
ifreq *ifr, bool *need_c
        case SIOCGIFFLAGS:
        case SIOCGIFMETRIC:
        case SIOCGIFMTU:
-       case SIOCGIFHWADDR:
        case SIOCGIFSLAVE:
        case SIOCGIFMAP:
        case SIOCGIFINDEX:
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index cb3b565ff5ad..1d20dd70879b 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -3465,7 +3465,7 @@ static int pktgen_thread_worker(void *arg)
        struct pktgen_dev *pkt_dev = NULL;
        int cpu = t->cpu;
 
-       BUG_ON(smp_processor_id() != cpu);
+       WARN_ON(smp_processor_id() != cpu);
 
        init_waitqueue_head(&t->queue);
        complete(&t->start_done);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index b0c06a063776..73c09b5864d7 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -2471,7 +2471,7 @@ static int do_setlink(const struct sk_buff *skb,
                sa->sa_family = dev->type;
                memcpy(sa->sa_data, nla_data(tb[IFLA_ADDRESS]),
                       dev->addr_len);
-               err = dev_set_mac_address(dev, sa, extack);
+               err = dev_set_mac_address_user(dev, sa, extack);
                kfree(sa);
                if (err)
                        goto errout;
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 45117fa29983..99d6f4d1297c 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -3290,7 +3290,19 @@ EXPORT_SYMBOL(skb_split);
  */
 static int skb_prepare_for_shift(struct sk_buff *skb)
 {
-       return skb_cloned(skb) && pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
+       int ret = 0;
+
+       if (skb_cloned(skb)) {
+               /* Save and restore truesize: pskb_expand_head() may reallocate
+                * memory where ksize(kmalloc(S)) != ksize(kmalloc(S)), but we
+                * cannot change truesize at this point.
+                */
+               unsigned int save_truesize = skb->truesize;
+
+               ret = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
+               skb->truesize = save_truesize;
+       }
+       return ret;
 }
 
 /**
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index fdced0a7bd77..bbc1924d64e5 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -2176,7 +2176,6 @@ static int afiucv_hs_rcv(struct sk_buff *skb, struct 
net_device *dev,
        char nullstring[8];
 
        if (!pskb_may_pull(skb, sizeof(*trans_hdr))) {
-               WARN_ONCE(1, "AF_IUCV failed to receive skb, len=%u", skb->len);
                kfree_skb(skb);
                return NET_RX_SUCCESS;
        }
diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c
index 9c4308077574..5e75ff2e1b14 100644
--- a/security/smack/smackfs.c
+++ b/security/smack/smackfs.c
@@ -1163,7 +1163,7 @@ static ssize_t smk_write_net4addr(struct file *file, 
const char __user *buf,
                return -EPERM;
        if (*ppos != 0)
                return -EINVAL;
-       if (count < SMK_NETLBLADDRMIN)
+       if (count < SMK_NETLBLADDRMIN || count > PAGE_SIZE - 1)
                return -EINVAL;
 
        data = memdup_user_nul(buf, count);
@@ -1423,7 +1423,7 @@ static ssize_t smk_write_net6addr(struct file *file, 
const char __user *buf,
                return -EPERM;
        if (*ppos != 0)
                return -EINVAL;
-       if (count < SMK_NETLBLADDRMIN)
+       if (count < SMK_NETLBLADDRMIN || count > PAGE_SIZE - 1)
                return -EINVAL;
 
        data = memdup_user_nul(buf, count);
@@ -1830,6 +1830,10 @@ static ssize_t smk_write_ambient(struct file *file, 
const char __user *buf,
        if (!smack_privileged(CAP_MAC_ADMIN))
                return -EPERM;
 
+       /* Enough data must be present */
+       if (count == 0 || count > PAGE_SIZE)
+               return -EINVAL;
+
        data = memdup_user_nul(buf, count);
        if (IS_ERR(data))
                return PTR_ERR(data);
@@ -2001,6 +2005,9 @@ static ssize_t smk_write_onlycap(struct file *file, const 
char __user *buf,
        if (!smack_privileged(CAP_MAC_ADMIN))
                return -EPERM;
 
+       if (count > PAGE_SIZE)
+               return -EINVAL;
+
        data = memdup_user_nul(buf, count);
        if (IS_ERR(data))
                return PTR_ERR(data);
@@ -2088,6 +2095,9 @@ static ssize_t smk_write_unconfined(struct file *file, 
const char __user *buf,
        if (!smack_privileged(CAP_MAC_ADMIN))
                return -EPERM;
 
+       if (count > PAGE_SIZE)
+               return -EINVAL;
+
        data = memdup_user_nul(buf, count);
        if (IS_ERR(data))
                return PTR_ERR(data);
@@ -2643,6 +2653,10 @@ static ssize_t smk_write_syslog(struct file *file, const 
char __user *buf,
        if (!smack_privileged(CAP_MAC_ADMIN))
                return -EPERM;
 
+       /* Enough data must be present */
+       if (count == 0 || count > PAGE_SIZE)
+               return -EINVAL;
+
        data = memdup_user_nul(buf, count);
        if (IS_ERR(data))
                return PTR_ERR(data);
@@ -2735,10 +2749,13 @@ static ssize_t smk_write_relabel_self(struct file 
*file, const char __user *buf,
                return -EPERM;
 
        /*
+        * No partial write.
         * Enough data must be present.
         */
        if (*ppos != 0)
                return -EINVAL;
+       if (count == 0 || count > PAGE_SIZE)
+               return -EINVAL;
 
        data = memdup_user_nul(buf, count);
        if (IS_ERR(data))
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index a132fe4537a5..1283796316b6 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2522,6 +2522,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = {
        SND_PCI_QUIRK(0x1462, 0x1276, "MSI-GL73", ALC1220_FIXUP_CLEVO_P950),
        SND_PCI_QUIRK(0x1462, 0x1293, "MSI-GP65", ALC1220_FIXUP_CLEVO_P950),
        SND_PCI_QUIRK(0x1462, 0x7350, "MSI-7350", ALC889_FIXUP_CD),
+       SND_PCI_QUIRK(0x1462, 0xcc34, "MSI Godlike X570", 
ALC1220_FIXUP_GB_DUAL_CODECS),
        SND_PCI_QUIRK(0x1462, 0xda57, "MSI Z270-Gaming", 
ALC1220_FIXUP_GB_DUAL_CODECS),
        SND_PCI_QUIRK_VENDOR(0x1462, "MSI", ALC882_FIXUP_GPIO3),
        SND_PCI_QUIRK(0x147b, 0x107a, "Abit AW9D-MAX", 
ALC882_FIXUP_ABIT_AW9D_MAX),
@@ -6320,6 +6321,7 @@ enum {
        ALC269_FIXUP_LEMOTE_A1802,
        ALC269_FIXUP_LEMOTE_A190X,
        ALC256_FIXUP_INTEL_NUC8_RUGGED,
+       ALC256_FIXUP_INTEL_NUC10,
        ALC255_FIXUP_XIAOMI_HEADSET_MIC,
        ALC274_FIXUP_HP_MIC,
        ALC274_FIXUP_HP_HEADSET_MIC,
@@ -7697,6 +7699,15 @@ static const struct hda_fixup alc269_fixups[] = {
                .chained = true,
                .chain_id = ALC269_FIXUP_HEADSET_MODE
        },
+       [ALC256_FIXUP_INTEL_NUC10] = {
+               .type = HDA_FIXUP_PINS,
+               .v.pins = (const struct hda_pintbl[]) {
+                       { 0x19, 0x01a1913c }, /* use as headset mic, without 
its own jack detect */
+                       { }
+               },
+               .chained = true,
+               .chain_id = ALC269_FIXUP_HEADSET_MODE
+       },
        [ALC255_FIXUP_XIAOMI_HEADSET_MIC] = {
                .type = HDA_FIXUP_VERBS,
                .v.verbs = (const struct hda_verb[]) {
@@ -8001,6 +8012,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
        SND_PCI_QUIRK(0x1558, 0x8551, "System76 Gazelle (gaze14)", 
ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
        SND_PCI_QUIRK(0x1558, 0x8560, "System76 Gazelle (gaze14)", 
ALC269_FIXUP_HEADSET_MIC),
        SND_PCI_QUIRK(0x1558, 0x8561, "System76 Gazelle (gaze14)", 
ALC269_FIXUP_HEADSET_MIC),
+       SND_PCI_QUIRK(0x1558, 0x8562, "Clevo NH[5|7][0-9]RZ[Q]", 
ALC269_FIXUP_DMIC),
        SND_PCI_QUIRK(0x1558, 0x8668, "Clevo NP50B[BE]", 
ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
        SND_PCI_QUIRK(0x1558, 0x8680, "Clevo NJ50LU", 
ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
        SND_PCI_QUIRK(0x1558, 0x8686, "Clevo NH50[CZ]U", 
ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
@@ -8095,6 +8107,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
        SND_PCI_QUIRK(0x1c06, 0x2013, "Lemote A1802", 
ALC269_FIXUP_LEMOTE_A1802),
        SND_PCI_QUIRK(0x1c06, 0x2015, "Lemote A190X", 
ALC269_FIXUP_LEMOTE_A190X),
        SND_PCI_QUIRK(0x8086, 0x2080, "Intel NUC 8 Rugged", 
ALC256_FIXUP_INTEL_NUC8_RUGGED),
+       SND_PCI_QUIRK(0x8086, 0x2081, "Intel NUC 10", ALC256_FIXUP_INTEL_NUC10),
 
 #if 0
        /* Below is a quirk table taken from the old code.
diff --git a/sound/soc/intel/boards/bytcr_rt5640.c 
b/sound/soc/intel/boards/bytcr_rt5640.c
index 6012367f6fe4..9ee610504bac 100644
--- a/sound/soc/intel/boards/bytcr_rt5640.c
+++ b/sound/soc/intel/boards/bytcr_rt5640.c
@@ -400,6 +400,19 @@ static const struct dmi_system_id byt_rt5640_quirk_table[] 
= {
                                        BYT_RT5640_SSP0_AIF1 |
                                        BYT_RT5640_MCLK_EN),
        },
+       {       /* Acer One 10 S1002 */
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "One S1002"),
+               },
+               .driver_data = (void *)(BYT_RT5640_IN1_MAP |
+                                       BYT_RT5640_JD_SRC_JD2_IN4N |
+                                       BYT_RT5640_OVCD_TH_2000UA |
+                                       BYT_RT5640_OVCD_SF_0P75 |
+                                       BYT_RT5640_DIFF_MIC |
+                                       BYT_RT5640_SSP0_AIF2 |
+                                       BYT_RT5640_MCLK_EN),
+       },
        {
                .matches = {
                        DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
@@ -513,6 +526,16 @@ static const struct dmi_system_id byt_rt5640_quirk_table[] 
= {
                                        BYT_RT5640_MONO_SPEAKER |
                                        BYT_RT5640_MCLK_EN),
        },
+       {       /* Estar Beauty HD MID 7316R */
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Estar"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "eSTAR BEAUTY HD Intel Quad 
core"),
+               },
+               .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
+                                       BYT_RT5640_MONO_SPEAKER |
+                                       BYT_RT5640_SSP0_AIF1 |
+                                       BYT_RT5640_MCLK_EN),
+       },
        {
                .matches = {
                        DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
@@ -776,6 +799,20 @@ static const struct dmi_system_id byt_rt5640_quirk_table[] 
= {
                                        BYT_RT5640_SSP0_AIF2 |
                                        BYT_RT5640_MCLK_EN),
        },
+       {       /* Voyo Winpad A15 */
+               .matches = {
+                       DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
+                       DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
+                       /* Above strings are too generic, also match on BIOS 
date */
+                       DMI_MATCH(DMI_BIOS_DATE, "11/20/2014"),
+               },
+               .driver_data = (void *)(BYT_RT5640_IN1_MAP |
+                                       BYT_RT5640_JD_SRC_JD2_IN4N |
+                                       BYT_RT5640_OVCD_TH_2000UA |
+                                       BYT_RT5640_OVCD_SF_0P75 |
+                                       BYT_RT5640_DIFF_MIC |
+                                       BYT_RT5640_MCLK_EN),
+       },
        {       /* Catch-all for generic Insyde tablets, must be last */
                .matches = {
                        DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
diff --git a/sound/soc/intel/boards/bytcr_rt5651.c 
b/sound/soc/intel/boards/bytcr_rt5651.c
index 4606f6f582d6..921c09cdb480 100644
--- a/sound/soc/intel/boards/bytcr_rt5651.c
+++ b/sound/soc/intel/boards/bytcr_rt5651.c
@@ -435,6 +435,19 @@ static const struct dmi_system_id byt_rt5651_quirk_table[] 
= {
                                        BYT_RT5651_SSP0_AIF1 |
                                        BYT_RT5651_MONO_SPEAKER),
        },
+       {
+               /* Jumper EZpad 7 */
+               .callback = byt_rt5651_quirk_cb,
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Jumper"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "EZpad"),
+                       /* Jumper12x.WJ2012.bsBKRCP05 with the version dropped 
*/
+                       DMI_MATCH(DMI_BIOS_VERSION, "Jumper12x.WJ2012.bsBKRCP"),
+               },
+               .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
+                                       BYT_RT5651_IN2_MAP |
+                                       BYT_RT5651_JD_NOT_INV),
+       },
        {
                /* KIANO SlimNote 14.2 */
                .callback = byt_rt5651_quirk_cb,
diff --git a/sound/soc/intel/common/soc-intel-quirks.h 
b/sound/soc/intel/common/soc-intel-quirks.h
index 863a477d3405..645baf0ed3dd 100644
--- a/sound/soc/intel/common/soc-intel-quirks.h
+++ b/sound/soc/intel/common/soc-intel-quirks.h
@@ -11,6 +11,7 @@
 
 #if IS_ENABLED(CONFIG_X86)
 
+#include <linux/dmi.h>
 #include <asm/cpu_device_id.h>
 #include <asm/intel-family.h>
 #include <asm/iosf_mbi.h>
@@ -40,12 +41,36 @@ SOC_INTEL_IS_CPU(cml, INTEL_FAM6_KABYLAKE_L);
 
 static inline bool soc_intel_is_byt_cr(struct platform_device *pdev)
 {
+       /*
+        * List of systems which:
+        * 1. Use a non CR version of the Bay Trail SoC
+        * 2. Contain at least 6 interrupt resources so that the
+        *    platform_get_resource(pdev, IORESOURCE_IRQ, 5) check below
+        *    succeeds
+        * 3. Despite 1. and 2. still have their IPC IRQ at index 0 rather then 
5
+        *
+        * This needs to be here so that it can be shared between the SST and
+        * SOF drivers. We rely on the compiler to optimize this out in files
+        * where soc_intel_is_byt_cr is not used.
+        */
+       static const struct dmi_system_id force_bytcr_table[] = {
+               {       /* Lenovo Yoga Tablet 2 series */
+                       .matches = {
+                               DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                               DMI_MATCH(DMI_PRODUCT_FAMILY, "YOGATablet2"),
+                       },
+               },
+               {}
+       };
        struct device *dev = &pdev->dev;
        int status = 0;
 
        if (!soc_intel_is_byt())
                return false;
 
+       if (dmi_check_system(force_bytcr_table))
+               return true;
+
        if (iosf_mbi_available()) {
                u32 bios_status;
 
  • Linux 5.4.103 Greg Kroah-Hartman
    • Re: Linux 5.4.103 Greg Kroah-Hartman

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