commit:     e82b3f7e057ed2b8500c8faacd875f3dc7d43572
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Thu Aug 29 14:15:04 2019 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Thu Aug 29 14:15:04 2019 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=e82b3f7e

Linux patch 4.19.69

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

 0000_README              |    4 +
 1068_linux-4.19.69.patch | 4438 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 4442 insertions(+)

diff --git a/0000_README b/0000_README
index dd97210..c203203 100644
--- a/0000_README
+++ b/0000_README
@@ -315,6 +315,10 @@ Patch:  1067_linux-4.19.68.patch
 From:   https://www.kernel.org
 Desc:   Linux 4.19.68
 
+Patch:  1068_linux-4.19.69.patch
+From:   https://www.kernel.org
+Desc:   Linux 4.19.69
+
 Patch:  1500_XATTR_USER_PREFIX.patch
 From:   https://bugs.gentoo.org/show_bug.cgi?id=470644
 Desc:   Support for namespace user.pax.* on tmpfs.

diff --git a/1068_linux-4.19.69.patch b/1068_linux-4.19.69.patch
new file mode 100644
index 0000000..c959f94
--- /dev/null
+++ b/1068_linux-4.19.69.patch
@@ -0,0 +1,4438 @@
+diff --git a/Documentation/admin-guide/kernel-parameters.txt 
b/Documentation/admin-guide/kernel-parameters.txt
+index c96a8e9ad5c2..e8ddf0ef232e 100644
+--- a/Documentation/admin-guide/kernel-parameters.txt
++++ b/Documentation/admin-guide/kernel-parameters.txt
+@@ -3948,6 +3948,13 @@
+                       Run specified binary instead of /init from the ramdisk,
+                       used for early userspace startup. See initrd.
+ 
++      rdrand=         [X86]
++                      force - Override the decision by the kernel to hide the
++                              advertisement of RDRAND support (this affects
++                              certain AMD processors because of buggy BIOS
++                              support, specifically around the suspend/resume
++                              path).
++
+       rdt=            [HW,X86,RDT]
+                       Turn on/off individual RDT features. List is:
+                       cmt, mbmtotal, mbmlocal, l3cat, l3cdp, l2cat, l2cdp,
+diff --git a/Makefile b/Makefile
+index 6f164b04d953..677341239449 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 4
+ PATCHLEVEL = 19
+-SUBLEVEL = 68
++SUBLEVEL = 69
+ EXTRAVERSION =
+ NAME = "People's Front"
+ 
+diff --git a/arch/arm/kvm/coproc.c b/arch/arm/kvm/coproc.c
+index fd6cde23bb5d..871fa50a09f1 100644
+--- a/arch/arm/kvm/coproc.c
++++ b/arch/arm/kvm/coproc.c
+@@ -658,13 +658,22 @@ int kvm_handle_cp14_64(struct kvm_vcpu *vcpu, struct 
kvm_run *run)
+ }
+ 
+ static void reset_coproc_regs(struct kvm_vcpu *vcpu,
+-                            const struct coproc_reg *table, size_t num)
++                            const struct coproc_reg *table, size_t num,
++                            unsigned long *bmap)
+ {
+       unsigned long i;
+ 
+       for (i = 0; i < num; i++)
+-              if (table[i].reset)
++              if (table[i].reset) {
++                      int reg = table[i].reg;
++
+                       table[i].reset(vcpu, &table[i]);
++                      if (reg > 0 && reg < NR_CP15_REGS) {
++                              set_bit(reg, bmap);
++                              if (table[i].is_64bit)
++                                      set_bit(reg + 1, bmap);
++                      }
++              }
+ }
+ 
+ static struct coproc_params decode_32bit_hsr(struct kvm_vcpu *vcpu)
+@@ -1439,17 +1448,15 @@ void kvm_reset_coprocs(struct kvm_vcpu *vcpu)
+ {
+       size_t num;
+       const struct coproc_reg *table;
+-
+-      /* Catch someone adding a register without putting in reset entry. */
+-      memset(vcpu->arch.ctxt.cp15, 0x42, sizeof(vcpu->arch.ctxt.cp15));
++      DECLARE_BITMAP(bmap, NR_CP15_REGS) = { 0, };
+ 
+       /* Generic chip reset first (so target could override). */
+-      reset_coproc_regs(vcpu, cp15_regs, ARRAY_SIZE(cp15_regs));
++      reset_coproc_regs(vcpu, cp15_regs, ARRAY_SIZE(cp15_regs), bmap);
+ 
+       table = get_target_table(vcpu->arch.target, &num);
+-      reset_coproc_regs(vcpu, table, num);
++      reset_coproc_regs(vcpu, table, num, bmap);
+ 
+       for (num = 1; num < NR_CP15_REGS; num++)
+-              WARN(vcpu_cp15(vcpu, num) == 0x42424242,
++              WARN(!test_bit(num, bmap),
+                    "Didn't reset vcpu_cp15(vcpu, %zi)", num);
+ }
+diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
+index d112af75680b..6da2bbdb9648 100644
+--- a/arch/arm64/kvm/sys_regs.c
++++ b/arch/arm64/kvm/sys_regs.c
+@@ -626,7 +626,7 @@ static void reset_pmcr(struct kvm_vcpu *vcpu, const struct 
sys_reg_desc *r)
+        */
+       val = ((pmcr & ~ARMV8_PMU_PMCR_MASK)
+              | (ARMV8_PMU_PMCR_MASK & 0xdecafbad)) & (~ARMV8_PMU_PMCR_E);
+-      __vcpu_sys_reg(vcpu, PMCR_EL0) = val;
++      __vcpu_sys_reg(vcpu, r->reg) = val;
+ }
+ 
+ static bool check_pmu_access_disabled(struct kvm_vcpu *vcpu, u64 flags)
+@@ -968,13 +968,13 @@ static bool access_pmuserenr(struct kvm_vcpu *vcpu, 
struct sys_reg_params *p,
+ /* Silly macro to expand the DBG{BCR,BVR,WVR,WCR}n_EL1 registers in one go */
+ #define DBG_BCR_BVR_WCR_WVR_EL1(n)                                    \
+       { SYS_DESC(SYS_DBGBVRn_EL1(n)),                                 \
+-        trap_bvr, reset_bvr, n, 0, get_bvr, set_bvr },                \
++        trap_bvr, reset_bvr, 0, 0, get_bvr, set_bvr },                \
+       { SYS_DESC(SYS_DBGBCRn_EL1(n)),                                 \
+-        trap_bcr, reset_bcr, n, 0, get_bcr, set_bcr },                \
++        trap_bcr, reset_bcr, 0, 0, get_bcr, set_bcr },                \
+       { SYS_DESC(SYS_DBGWVRn_EL1(n)),                                 \
+-        trap_wvr, reset_wvr, n, 0,  get_wvr, set_wvr },               \
++        trap_wvr, reset_wvr, 0, 0,  get_wvr, set_wvr },               \
+       { SYS_DESC(SYS_DBGWCRn_EL1(n)),                                 \
+-        trap_wcr, reset_wcr, n, 0,  get_wcr, set_wcr }
++        trap_wcr, reset_wcr, 0, 0,  get_wcr, set_wcr }
+ 
+ /* Macro to expand the PMEVCNTRn_EL0 register */
+ #define PMU_PMEVCNTR_EL0(n)                                           \
+@@ -1359,7 +1359,7 @@ static const struct sys_reg_desc sys_reg_descs[] = {
+ 
+       { SYS_DESC(SYS_CSSELR_EL1), NULL, reset_unknown, CSSELR_EL1 },
+ 
+-      { SYS_DESC(SYS_PMCR_EL0), access_pmcr, reset_pmcr, },
++      { SYS_DESC(SYS_PMCR_EL0), access_pmcr, reset_pmcr, PMCR_EL0 },
+       { SYS_DESC(SYS_PMCNTENSET_EL0), access_pmcnten, reset_unknown, 
PMCNTENSET_EL0 },
+       { SYS_DESC(SYS_PMCNTENCLR_EL0), access_pmcnten, NULL, PMCNTENSET_EL0 },
+       { SYS_DESC(SYS_PMOVSCLR_EL0), access_pmovs, NULL, PMOVSSET_EL0 },
+@@ -2072,13 +2072,19 @@ static int emulate_sys_reg(struct kvm_vcpu *vcpu,
+ }
+ 
+ static void reset_sys_reg_descs(struct kvm_vcpu *vcpu,
+-                            const struct sys_reg_desc *table, size_t num)
++                              const struct sys_reg_desc *table, size_t num,
++                              unsigned long *bmap)
+ {
+       unsigned long i;
+ 
+       for (i = 0; i < num; i++)
+-              if (table[i].reset)
++              if (table[i].reset) {
++                      int reg = table[i].reg;
++
+                       table[i].reset(vcpu, &table[i]);
++                      if (reg > 0 && reg < NR_SYS_REGS)
++                              set_bit(reg, bmap);
++              }
+ }
+ 
+ /**
+@@ -2576,18 +2582,16 @@ void kvm_reset_sys_regs(struct kvm_vcpu *vcpu)
+ {
+       size_t num;
+       const struct sys_reg_desc *table;
+-
+-      /* Catch someone adding a register without putting in reset entry. */
+-      memset(&vcpu->arch.ctxt.sys_regs, 0x42, 
sizeof(vcpu->arch.ctxt.sys_regs));
++      DECLARE_BITMAP(bmap, NR_SYS_REGS) = { 0, };
+ 
+       /* Generic chip reset first (so target could override). */
+-      reset_sys_reg_descs(vcpu, sys_reg_descs, ARRAY_SIZE(sys_reg_descs));
++      reset_sys_reg_descs(vcpu, sys_reg_descs, ARRAY_SIZE(sys_reg_descs), 
bmap);
+ 
+       table = get_target_table(vcpu->arch.target, true, &num);
+-      reset_sys_reg_descs(vcpu, table, num);
++      reset_sys_reg_descs(vcpu, table, num, bmap);
+ 
+       for (num = 1; num < NR_SYS_REGS; num++) {
+-              if (WARN(__vcpu_sys_reg(vcpu, num) == 0x4242424242424242,
++              if (WARN(!test_bit(num, bmap),
+                        "Didn't reset __vcpu_sys_reg(%zi)\n", num))
+                       break;
+       }
+diff --git a/arch/mips/kernel/cacheinfo.c b/arch/mips/kernel/cacheinfo.c
+index 97d5239ca47b..428ef2189203 100644
+--- a/arch/mips/kernel/cacheinfo.c
++++ b/arch/mips/kernel/cacheinfo.c
+@@ -80,6 +80,8 @@ static int __populate_cache_leaves(unsigned int cpu)
+       if (c->tcache.waysize)
+               populate_cache(tcache, this_leaf, 3, CACHE_TYPE_UNIFIED);
+ 
++      this_cpu_ci->cpu_map_populated = true;
++
+       return 0;
+ }
+ 
+diff --git a/arch/mips/kernel/i8253.c b/arch/mips/kernel/i8253.c
+index 5f209f111e59..df7ddd246eaa 100644
+--- a/arch/mips/kernel/i8253.c
++++ b/arch/mips/kernel/i8253.c
+@@ -32,7 +32,8 @@ void __init setup_pit_timer(void)
+ 
+ static int __init init_pit_clocksource(void)
+ {
+-      if (num_possible_cpus() > 1) /* PIT does not scale! */
++      if (num_possible_cpus() > 1 || /* PIT does not scale! */
++          !clockevent_state_periodic(&i8253_clockevent))
+               return 0;
+ 
+       return clocksource_i8253_init();
+diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S
+index 262ba9481781..1bf6aaefd26a 100644
+--- a/arch/powerpc/kernel/misc_64.S
++++ b/arch/powerpc/kernel/misc_64.S
+@@ -135,7 +135,7 @@ _GLOBAL_TOC(flush_dcache_range)
+       subf    r8,r6,r4                /* compute length */
+       add     r8,r8,r5                /* ensure we get enough */
+       lwz     r9,DCACHEL1LOGBLOCKSIZE(r10)    /* Get log-2 of dcache block 
size */
+-      srw.    r8,r8,r9                /* compute line count */
++      srd.    r8,r8,r9                /* compute line count */
+       beqlr                           /* nothing to do? */
+       mtctr   r8
+ 0:    dcbst   0,r6
+@@ -153,7 +153,7 @@ _GLOBAL(flush_inval_dcache_range)
+       subf    r8,r6,r4                /* compute length */
+       add     r8,r8,r5                /* ensure we get enough */
+       lwz     r9,DCACHEL1LOGBLOCKSIZE(r10)/* Get log-2 of dcache block size */
+-      srw.    r8,r8,r9                /* compute line count */
++      srd.    r8,r8,r9                /* compute line count */
+       beqlr                           /* nothing to do? */
+       sync
+       isync
+diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S
+index b43f8d33a369..18ede6e806b9 100644
+--- a/arch/s390/kernel/vmlinux.lds.S
++++ b/arch/s390/kernel/vmlinux.lds.S
+@@ -31,10 +31,9 @@ PHDRS {
+ SECTIONS
+ {
+       . = 0x100000;
+-      _stext = .;             /* Start of text section */
+       .text : {
+-              /* Text and read-only data */
+-              _text = .;
++              _stext = .;             /* Start of text section */
++              _text = .;              /* Text and read-only data */
+               HEAD_TEXT
+               TEXT_TEXT
+               SCHED_TEXT
+@@ -46,11 +45,10 @@ SECTIONS
+               *(.text.*_indirect_*)
+               *(.fixup)
+               *(.gnu.warning)
++              . = ALIGN(PAGE_SIZE);
++              _etext = .;             /* End of text section */
+       } :text = 0x0700
+ 
+-      . = ALIGN(PAGE_SIZE);
+-      _etext = .;             /* End of text section */
+-
+       NOTES :text :note
+ 
+       .dummy : { *(.dummy) } :data
+diff --git a/arch/x86/include/asm/bootparam_utils.h 
b/arch/x86/include/asm/bootparam_utils.h
+index a07ffd23e4dd..d3983fdf1012 100644
+--- a/arch/x86/include/asm/bootparam_utils.h
++++ b/arch/x86/include/asm/bootparam_utils.h
+@@ -18,6 +18,20 @@
+  * Note: efi_info is commonly left uninitialized, but that field has a
+  * private magic, so it is better to leave it unchanged.
+  */
++
++#define sizeof_mbr(type, member) ({ sizeof(((type *)0)->member); })
++
++#define BOOT_PARAM_PRESERVE(struct_member)                            \
++      {                                                               \
++              .start = offsetof(struct boot_params, struct_member),   \
++              .len   = sizeof_mbr(struct boot_params, struct_member), \
++      }
++
++struct boot_params_to_save {
++      unsigned int start;
++      unsigned int len;
++};
++
+ static void sanitize_boot_params(struct boot_params *boot_params)
+ {
+       /* 
+@@ -36,19 +50,40 @@ static void sanitize_boot_params(struct boot_params 
*boot_params)
+        */
+       if (boot_params->sentinel) {
+               /* fields in boot_params are left uninitialized, clear them */
+-              memset(&boot_params->ext_ramdisk_image, 0,
+-                     (char *)&boot_params->efi_info -
+-                      (char *)&boot_params->ext_ramdisk_image);
+-              memset(&boot_params->kbd_status, 0,
+-                     (char *)&boot_params->hdr -
+-                     (char *)&boot_params->kbd_status);
+-              memset(&boot_params->_pad7[0], 0,
+-                     (char *)&boot_params->edd_mbr_sig_buffer[0] -
+-                      (char *)&boot_params->_pad7[0]);
+-              memset(&boot_params->_pad8[0], 0,
+-                     (char *)&boot_params->eddbuf[0] -
+-                      (char *)&boot_params->_pad8[0]);
+-              memset(&boot_params->_pad9[0], 0, sizeof(boot_params->_pad9));
++              static struct boot_params scratch;
++              char *bp_base = (char *)boot_params;
++              char *save_base = (char *)&scratch;
++              int i;
++
++              const struct boot_params_to_save to_save[] = {
++                      BOOT_PARAM_PRESERVE(screen_info),
++                      BOOT_PARAM_PRESERVE(apm_bios_info),
++                      BOOT_PARAM_PRESERVE(tboot_addr),
++                      BOOT_PARAM_PRESERVE(ist_info),
++                      BOOT_PARAM_PRESERVE(hd0_info),
++                      BOOT_PARAM_PRESERVE(hd1_info),
++                      BOOT_PARAM_PRESERVE(sys_desc_table),
++                      BOOT_PARAM_PRESERVE(olpc_ofw_header),
++                      BOOT_PARAM_PRESERVE(efi_info),
++                      BOOT_PARAM_PRESERVE(alt_mem_k),
++                      BOOT_PARAM_PRESERVE(scratch),
++                      BOOT_PARAM_PRESERVE(e820_entries),
++                      BOOT_PARAM_PRESERVE(eddbuf_entries),
++                      BOOT_PARAM_PRESERVE(edd_mbr_sig_buf_entries),
++                      BOOT_PARAM_PRESERVE(edd_mbr_sig_buffer),
++                      BOOT_PARAM_PRESERVE(hdr),
++                      BOOT_PARAM_PRESERVE(e820_table),
++                      BOOT_PARAM_PRESERVE(eddbuf),
++              };
++
++              memset(&scratch, 0, sizeof(scratch));
++
++              for (i = 0; i < ARRAY_SIZE(to_save); i++) {
++                      memcpy(save_base + to_save[i].start,
++                             bp_base + to_save[i].start, to_save[i].len);
++              }
++
++              memcpy(boot_params, save_base, sizeof(*boot_params));
+       }
+ }
+ 
+diff --git a/arch/x86/include/asm/msr-index.h 
b/arch/x86/include/asm/msr-index.h
+index f85f43db9225..a1d22e4428f6 100644
+--- a/arch/x86/include/asm/msr-index.h
++++ b/arch/x86/include/asm/msr-index.h
+@@ -334,6 +334,7 @@
+ #define MSR_AMD64_PATCH_LEVEL         0x0000008b
+ #define MSR_AMD64_TSC_RATIO           0xc0000104
+ #define MSR_AMD64_NB_CFG              0xc001001f
++#define MSR_AMD64_CPUID_FN_1          0xc0011004
+ #define MSR_AMD64_PATCH_LOADER                0xc0010020
+ #define MSR_AMD64_OSVW_ID_LENGTH      0xc0010140
+ #define MSR_AMD64_OSVW_STATUS         0xc0010141
+diff --git a/arch/x86/include/asm/nospec-branch.h 
b/arch/x86/include/asm/nospec-branch.h
+index 599c273f5d00..28cb2b31527a 100644
+--- a/arch/x86/include/asm/nospec-branch.h
++++ b/arch/x86/include/asm/nospec-branch.h
+@@ -202,7 +202,7 @@
+       "       lfence;\n"                                      \
+       "       jmp    902b;\n"                                 \
+       "       .align 16\n"                                    \
+-      "903:   addl   $4, %%esp;\n"                            \
++      "903:   lea    4(%%esp), %%esp;\n"                      \
+       "       pushl  %[thunk_target];\n"                      \
+       "       ret;\n"                                         \
+       "       .align 16\n"                                    \
+diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
+index 272a12865b2a..b316bd61a6ac 100644
+--- a/arch/x86/kernel/apic/apic.c
++++ b/arch/x86/kernel/apic/apic.c
+@@ -715,7 +715,7 @@ static __initdata unsigned long lapic_cal_pm1, 
lapic_cal_pm2;
+ static __initdata unsigned long lapic_cal_j1, lapic_cal_j2;
+ 
+ /*
+- * Temporary interrupt handler.
++ * Temporary interrupt handler and polled calibration function.
+  */
+ static void __init lapic_cal_handler(struct clock_event_device *dev)
+ {
+@@ -799,7 +799,8 @@ calibrate_by_pmtimer(long deltapm, long *delta, long 
*deltatsc)
+ static int __init calibrate_APIC_clock(void)
+ {
+       struct clock_event_device *levt = this_cpu_ptr(&lapic_events);
+-      void (*real_handler)(struct clock_event_device *dev);
++      u64 tsc_perj = 0, tsc_start = 0;
++      unsigned long jif_start;
+       unsigned long deltaj;
+       long delta, deltatsc;
+       int pm_referenced = 0;
+@@ -830,28 +831,64 @@ static int __init calibrate_APIC_clock(void)
+       apic_printk(APIC_VERBOSE, "Using local APIC timer interrupts.\n"
+                   "calibrating APIC timer ...\n");
+ 
++      /*
++       * There are platforms w/o global clockevent devices. Instead of
++       * making the calibration conditional on that, use a polling based
++       * approach everywhere.
++       */
+       local_irq_disable();
+ 
+-      /* Replace the global interrupt handler */
+-      real_handler = global_clock_event->event_handler;
+-      global_clock_event->event_handler = lapic_cal_handler;
+-
+       /*
+        * Setup the APIC counter to maximum. There is no way the lapic
+        * can underflow in the 100ms detection time frame
+        */
+       __setup_APIC_LVTT(0xffffffff, 0, 0);
+ 
+-      /* Let the interrupts run */
++      /*
++       * Methods to terminate the calibration loop:
++       *  1) Global clockevent if available (jiffies)
++       *  2) TSC if available and frequency is known
++       */
++      jif_start = READ_ONCE(jiffies);
++
++      if (tsc_khz) {
++              tsc_start = rdtsc();
++              tsc_perj = div_u64((u64)tsc_khz * 1000, HZ);
++      }
++
++      /*
++       * Enable interrupts so the tick can fire, if a global
++       * clockevent device is available
++       */
+       local_irq_enable();
+ 
+-      while (lapic_cal_loops <= LAPIC_CAL_LOOPS)
+-              cpu_relax();
++      while (lapic_cal_loops <= LAPIC_CAL_LOOPS) {
++              /* Wait for a tick to elapse */
++              while (1) {
++                      if (tsc_khz) {
++                              u64 tsc_now = rdtsc();
++                              if ((tsc_now - tsc_start) >= tsc_perj) {
++                                      tsc_start += tsc_perj;
++                                      break;
++                              }
++                      } else {
++                              unsigned long jif_now = READ_ONCE(jiffies);
+ 
+-      local_irq_disable();
++                              if (time_after(jif_now, jif_start)) {
++                                      jif_start = jif_now;
++                                      break;
++                              }
++                      }
++                      cpu_relax();
++              }
+ 
+-      /* Restore the real event handler */
+-      global_clock_event->event_handler = real_handler;
++              /* Invoke the calibration routine */
++              local_irq_disable();
++              lapic_cal_handler(NULL);
++              local_irq_enable();
++      }
++
++      local_irq_disable();
+ 
+       /* Build delta t1-t2 as apic timer counts down */
+       delta = lapic_cal_t1 - lapic_cal_t2;
+@@ -904,10 +941,11 @@ static int __init calibrate_APIC_clock(void)
+       levt->features &= ~CLOCK_EVT_FEAT_DUMMY;
+ 
+       /*
+-       * PM timer calibration failed or not turned on
+-       * so lets try APIC timer based calibration
++       * PM timer calibration failed or not turned on so lets try APIC
++       * timer based calibration, if a global clockevent device is
++       * available.
+        */
+-      if (!pm_referenced) {
++      if (!pm_referenced && global_clock_event) {
+               apic_printk(APIC_VERBOSE, "... verify APIC timer\n");
+ 
+               /*
+diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
+index da1f5e78363e..f86f912ce215 100644
+--- a/arch/x86/kernel/cpu/amd.c
++++ b/arch/x86/kernel/cpu/amd.c
+@@ -799,6 +799,64 @@ static void init_amd_ln(struct cpuinfo_x86 *c)
+       msr_set_bit(MSR_AMD64_DE_CFG, 31);
+ }
+ 
++static bool rdrand_force;
++
++static int __init rdrand_cmdline(char *str)
++{
++      if (!str)
++              return -EINVAL;
++
++      if (!strcmp(str, "force"))
++              rdrand_force = true;
++      else
++              return -EINVAL;
++
++      return 0;
++}
++early_param("rdrand", rdrand_cmdline);
++
++static void clear_rdrand_cpuid_bit(struct cpuinfo_x86 *c)
++{
++      /*
++       * Saving of the MSR used to hide the RDRAND support during
++       * suspend/resume is done by arch/x86/power/cpu.c, which is
++       * dependent on CONFIG_PM_SLEEP.
++       */
++      if (!IS_ENABLED(CONFIG_PM_SLEEP))
++              return;
++
++      /*
++       * The nordrand option can clear X86_FEATURE_RDRAND, so check for
++       * RDRAND support using the CPUID function directly.
++       */
++      if (!(cpuid_ecx(1) & BIT(30)) || rdrand_force)
++              return;
++
++      msr_clear_bit(MSR_AMD64_CPUID_FN_1, 62);
++
++      /*
++       * Verify that the CPUID change has occurred in case the kernel is
++       * running virtualized and the hypervisor doesn't support the MSR.
++       */
++      if (cpuid_ecx(1) & BIT(30)) {
++              pr_info_once("BIOS may not properly restore RDRAND after 
suspend, but hypervisor does not support hiding RDRAND via CPUID.\n");
++              return;
++      }
++
++      clear_cpu_cap(c, X86_FEATURE_RDRAND);
++      pr_info_once("BIOS may not properly restore RDRAND after suspend, 
hiding RDRAND via CPUID. Use rdrand=force to reenable.\n");
++}
++
++static void init_amd_jg(struct cpuinfo_x86 *c)
++{
++      /*
++       * Some BIOS implementations do not restore proper RDRAND support
++       * across suspend and resume. Check on whether to hide the RDRAND
++       * instruction support via CPUID.
++       */
++      clear_rdrand_cpuid_bit(c);
++}
++
+ static void init_amd_bd(struct cpuinfo_x86 *c)
+ {
+       u64 value;
+@@ -813,6 +871,13 @@ static void init_amd_bd(struct cpuinfo_x86 *c)
+                       wrmsrl_safe(MSR_F15H_IC_CFG, value);
+               }
+       }
++
++      /*
++       * Some BIOS implementations do not restore proper RDRAND support
++       * across suspend and resume. Check on whether to hide the RDRAND
++       * instruction support via CPUID.
++       */
++      clear_rdrand_cpuid_bit(c);
+ }
+ 
+ static void init_amd_zn(struct cpuinfo_x86 *c)
+@@ -855,6 +920,7 @@ static void init_amd(struct cpuinfo_x86 *c)
+       case 0x10: init_amd_gh(c); break;
+       case 0x12: init_amd_ln(c); break;
+       case 0x15: init_amd_bd(c); break;
++      case 0x16: init_amd_jg(c); break;
+       case 0x17: init_amd_zn(c); break;
+       }
+ 
+diff --git a/arch/x86/lib/cpu.c b/arch/x86/lib/cpu.c
+index 2dd1fe13a37b..19f707992db2 100644
+--- a/arch/x86/lib/cpu.c
++++ b/arch/x86/lib/cpu.c
+@@ -1,5 +1,6 @@
+ #include <linux/types.h>
+ #include <linux/export.h>
++#include <asm/cpu.h>
+ 
+ unsigned int x86_family(unsigned int sig)
+ {
+diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c
+index 513ce09e9950..3aa3149df07f 100644
+--- a/arch/x86/power/cpu.c
++++ b/arch/x86/power/cpu.c
+@@ -13,6 +13,7 @@
+ #include <linux/smp.h>
+ #include <linux/perf_event.h>
+ #include <linux/tboot.h>
++#include <linux/dmi.h>
+ 
+ #include <asm/pgtable.h>
+ #include <asm/proto.h>
+@@ -24,7 +25,7 @@
+ #include <asm/debugreg.h>
+ #include <asm/cpu.h>
+ #include <asm/mmu_context.h>
+-#include <linux/dmi.h>
++#include <asm/cpu_device_id.h>
+ 
+ #ifdef CONFIG_X86_32
+ __visible unsigned long saved_context_ebx;
+@@ -398,15 +399,14 @@ static int __init bsp_pm_check_init(void)
+ 
+ core_initcall(bsp_pm_check_init);
+ 
+-static int msr_init_context(const u32 *msr_id, const int total_num)
++static int msr_build_context(const u32 *msr_id, const int num)
+ {
+-      int i = 0;
++      struct saved_msrs *saved_msrs = &saved_context.saved_msrs;
+       struct saved_msr *msr_array;
++      int total_num;
++      int i, j;
+ 
+-      if (saved_context.saved_msrs.array || saved_context.saved_msrs.num > 0) 
{
+-              pr_err("x86/pm: MSR quirk already applied, please check your 
DMI match table.\n");
+-              return -EINVAL;
+-      }
++      total_num = saved_msrs->num + num;
+ 
+       msr_array = kmalloc_array(total_num, sizeof(struct saved_msr), 
GFP_KERNEL);
+       if (!msr_array) {
+@@ -414,19 +414,30 @@ static int msr_init_context(const u32 *msr_id, const int 
total_num)
+               return -ENOMEM;
+       }
+ 
+-      for (i = 0; i < total_num; i++) {
+-              msr_array[i].info.msr_no        = msr_id[i];
++      if (saved_msrs->array) {
++              /*
++               * Multiple callbacks can invoke this function, so copy any
++               * MSR save requests from previous invocations.
++               */
++              memcpy(msr_array, saved_msrs->array,
++                     sizeof(struct saved_msr) * saved_msrs->num);
++
++              kfree(saved_msrs->array);
++      }
++
++      for (i = saved_msrs->num, j = 0; i < total_num; i++, j++) {
++              msr_array[i].info.msr_no        = msr_id[j];
+               msr_array[i].valid              = false;
+               msr_array[i].info.reg.q         = 0;
+       }
+-      saved_context.saved_msrs.num    = total_num;
+-      saved_context.saved_msrs.array  = msr_array;
++      saved_msrs->num   = total_num;
++      saved_msrs->array = msr_array;
+ 
+       return 0;
+ }
+ 
+ /*
+- * The following section is a quirk framework for problematic BIOSen:
++ * The following sections are a quirk framework for problematic BIOSen:
+  * Sometimes MSRs are modified by the BIOSen after suspended to
+  * RAM, this might cause unexpected behavior after wakeup.
+  * Thus we save/restore these specified MSRs across suspend/resume
+@@ -441,7 +452,7 @@ static int msr_initialize_bdw(const struct dmi_system_id 
*d)
+       u32 bdw_msr_id[] = { MSR_IA32_THERM_CONTROL };
+ 
+       pr_info("x86/pm: %s detected, MSR saving is needed during 
suspending.\n", d->ident);
+-      return msr_init_context(bdw_msr_id, ARRAY_SIZE(bdw_msr_id));
++      return msr_build_context(bdw_msr_id, ARRAY_SIZE(bdw_msr_id));
+ }
+ 
+ static const struct dmi_system_id msr_save_dmi_table[] = {
+@@ -456,9 +467,58 @@ static const struct dmi_system_id msr_save_dmi_table[] = {
+       {}
+ };
+ 
++static int msr_save_cpuid_features(const struct x86_cpu_id *c)
++{
++      u32 cpuid_msr_id[] = {
++              MSR_AMD64_CPUID_FN_1,
++      };
++
++      pr_info("x86/pm: family %#hx cpu detected, MSR saving is needed during 
suspending.\n",
++              c->family);
++
++      return msr_build_context(cpuid_msr_id, ARRAY_SIZE(cpuid_msr_id));
++}
++
++static const struct x86_cpu_id msr_save_cpu_table[] = {
++      {
++              .vendor = X86_VENDOR_AMD,
++              .family = 0x15,
++              .model = X86_MODEL_ANY,
++              .feature = X86_FEATURE_ANY,
++              .driver_data = (kernel_ulong_t)msr_save_cpuid_features,
++      },
++      {
++              .vendor = X86_VENDOR_AMD,
++              .family = 0x16,
++              .model = X86_MODEL_ANY,
++              .feature = X86_FEATURE_ANY,
++              .driver_data = (kernel_ulong_t)msr_save_cpuid_features,
++      },
++      {}
++};
++
++typedef int (*pm_cpu_match_t)(const struct x86_cpu_id *);
++static int pm_cpu_check(const struct x86_cpu_id *c)
++{
++      const struct x86_cpu_id *m;
++      int ret = 0;
++
++      m = x86_match_cpu(msr_save_cpu_table);
++      if (m) {
++              pm_cpu_match_t fn;
++
++              fn = (pm_cpu_match_t)m->driver_data;
++              ret = fn(m);
++      }
++
++      return ret;
++}
++
+ static int pm_check_save_msr(void)
+ {
+       dmi_check_system(msr_save_dmi_table);
++      pm_cpu_check(msr_save_cpu_table);
++
+       return 0;
+ }
+ 
+diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
+index becd793a258c..d8d2ac294b0c 100644
+--- a/block/bfq-iosched.c
++++ b/block/bfq-iosched.c
+@@ -1886,9 +1886,14 @@ static void bfq_request_merged(struct request_queue *q, 
struct request *req,
+           blk_rq_pos(container_of(rb_prev(&req->rb_node),
+                                   struct request, rb_node))) {
+               struct bfq_queue *bfqq = bfq_init_rq(req);
+-              struct bfq_data *bfqd = bfqq->bfqd;
++              struct bfq_data *bfqd;
+               struct request *prev, *next_rq;
+ 
++              if (!bfqq)
++                      return;
++
++              bfqd = bfqq->bfqd;
++
+               /* Reposition request in its sort_list */
+               elv_rb_del(&bfqq->sort_list, req);
+               elv_rb_add(&bfqq->sort_list, req);
+@@ -1930,6 +1935,9 @@ static void bfq_requests_merged(struct request_queue *q, 
struct request *rq,
+       struct bfq_queue *bfqq = bfq_init_rq(rq),
+               *next_bfqq = bfq_init_rq(next);
+ 
++      if (!bfqq)
++              return;
++
+       /*
+        * If next and rq belong to the same bfq_queue and next is older
+        * than rq, then reposition rq in the fifo (by substituting next
+@@ -4590,12 +4598,12 @@ static void bfq_insert_request(struct blk_mq_hw_ctx 
*hctx, struct request *rq,
+ 
+       spin_lock_irq(&bfqd->lock);
+       bfqq = bfq_init_rq(rq);
+-      if (at_head || blk_rq_is_passthrough(rq)) {
++      if (!bfqq || at_head || blk_rq_is_passthrough(rq)) {
+               if (at_head)
+                       list_add(&rq->queuelist, &bfqd->dispatch);
+               else
+                       list_add_tail(&rq->queuelist, &bfqd->dispatch);
+-      } else { /* bfqq is assumed to be non null here */
++      } else {
+               idle_timer_disabled = __bfq_insert_request(bfqd, rq);
+               /*
+                * Update bfqq, because, if a queue merge has occurred
+diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
+index 1984fc78c750..3a64fa4aaf7e 100644
+--- a/drivers/ata/libata-scsi.c
++++ b/drivers/ata/libata-scsi.c
+@@ -1803,6 +1803,21 @@ nothing_to_do:
+       return 1;
+ }
+ 
++static bool ata_check_nblocks(struct scsi_cmnd *scmd, u32 n_blocks)
++{
++      struct request *rq = scmd->request;
++      u32 req_blocks;
++
++      if (!blk_rq_is_passthrough(rq))
++              return true;
++
++      req_blocks = blk_rq_bytes(rq) / scmd->device->sector_size;
++      if (n_blocks > req_blocks)
++              return false;
++
++      return true;
++}
++
+ /**
+  *    ata_scsi_rw_xlat - Translate SCSI r/w command into an ATA one
+  *    @qc: Storage for translated ATA taskfile
+@@ -1847,6 +1862,8 @@ static unsigned int ata_scsi_rw_xlat(struct 
ata_queued_cmd *qc)
+               scsi_10_lba_len(cdb, &block, &n_block);
+               if (cdb[1] & (1 << 3))
+                       tf_flags |= ATA_TFLAG_FUA;
++              if (!ata_check_nblocks(scmd, n_block))
++                      goto invalid_fld;
+               break;
+       case READ_6:
+       case WRITE_6:
+@@ -1861,6 +1878,8 @@ static unsigned int ata_scsi_rw_xlat(struct 
ata_queued_cmd *qc)
+                */
+               if (!n_block)
+                       n_block = 256;
++              if (!ata_check_nblocks(scmd, n_block))
++                      goto invalid_fld;
+               break;
+       case READ_16:
+       case WRITE_16:
+@@ -1871,6 +1890,8 @@ static unsigned int ata_scsi_rw_xlat(struct 
ata_queued_cmd *qc)
+               scsi_16_lba_len(cdb, &block, &n_block);
+               if (cdb[1] & (1 << 3))
+                       tf_flags |= ATA_TFLAG_FUA;
++              if (!ata_check_nblocks(scmd, n_block))
++                      goto invalid_fld;
+               break;
+       default:
+               DPRINTK("no-byte command\n");
+diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
+index c5ea0fc635e5..873cc0906055 100644
+--- a/drivers/ata/libata-sff.c
++++ b/drivers/ata/libata-sff.c
+@@ -674,6 +674,10 @@ static void ata_pio_sector(struct ata_queued_cmd *qc)
+       unsigned int offset;
+       unsigned char *buf;
+ 
++      if (!qc->cursg) {
++              qc->curbytes = qc->nbytes;
++              return;
++      }
+       if (qc->curbytes == qc->nbytes - qc->sect_size)
+               ap->hsm_task_state = HSM_ST_LAST;
+ 
+@@ -699,6 +703,8 @@ static void ata_pio_sector(struct ata_queued_cmd *qc)
+ 
+       if (qc->cursg_ofs == qc->cursg->length) {
+               qc->cursg = sg_next(qc->cursg);
++              if (!qc->cursg)
++                      ap->hsm_task_state = HSM_ST_LAST;
+               qc->cursg_ofs = 0;
+       }
+ }
+diff --git a/drivers/clk/socfpga/clk-periph-s10.c 
b/drivers/clk/socfpga/clk-periph-s10.c
+index 568f59b58ddf..e7c877d354c7 100644
+--- a/drivers/clk/socfpga/clk-periph-s10.c
++++ b/drivers/clk/socfpga/clk-periph-s10.c
+@@ -37,7 +37,7 @@ static unsigned long clk_peri_cnt_clk_recalc_rate(struct 
clk_hw *hwclk,
+       if (socfpgaclk->fixed_div) {
+               div = socfpgaclk->fixed_div;
+       } else {
+-              if (!socfpgaclk->bypass_reg)
++              if (socfpgaclk->hw.reg)
+                       div = ((readl(socfpgaclk->hw.reg) & 0x7ff) + 1);
+       }
+ 
+diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
+index b308ce92685d..53395852f012 100644
+--- a/drivers/gpio/gpiolib.c
++++ b/drivers/gpio/gpiolib.c
+@@ -1082,9 +1082,11 @@ static long gpio_ioctl(struct file *filp, unsigned int 
cmd, unsigned long arg)
+               if (test_bit(FLAG_ACTIVE_LOW, &desc->flags))
+                       lineinfo.flags |= GPIOLINE_FLAG_ACTIVE_LOW;
+               if (test_bit(FLAG_OPEN_DRAIN, &desc->flags))
+-                      lineinfo.flags |= GPIOLINE_FLAG_OPEN_DRAIN;
++                      lineinfo.flags |= (GPIOLINE_FLAG_OPEN_DRAIN |
++                                         GPIOLINE_FLAG_IS_OUT);
+               if (test_bit(FLAG_OPEN_SOURCE, &desc->flags))
+-                      lineinfo.flags |= GPIOLINE_FLAG_OPEN_SOURCE;
++                      lineinfo.flags |= (GPIOLINE_FLAG_OPEN_SOURCE |
++                                         GPIOLINE_FLAG_IS_OUT);
+ 
+               if (copy_to_user(ip, &lineinfo, sizeof(lineinfo)))
+                       return -EFAULT;
+diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c 
b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c
+index b4e7404fe660..a11637b0f6cc 100644
+--- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c
++++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c
+@@ -40,8 +40,7 @@ nvkm_i2c_aux_i2c_xfer(struct i2c_adapter *adap, struct 
i2c_msg *msgs, int num)
+               u8 *ptr = msg->buf;
+ 
+               while (remaining) {
+-                      u8 cnt = (remaining > 16) ? 16 : remaining;
+-                      u8 cmd;
++                      u8 cnt, retries, cmd;
+ 
+                       if (msg->flags & I2C_M_RD)
+                               cmd = 1;
+@@ -51,10 +50,19 @@ nvkm_i2c_aux_i2c_xfer(struct i2c_adapter *adap, struct 
i2c_msg *msgs, int num)
+                       if (mcnt || remaining > 16)
+                               cmd |= 4; /* MOT */
+ 
+-                      ret = aux->func->xfer(aux, true, cmd, msg->addr, ptr, 
&cnt);
+-                      if (ret < 0) {
+-                              nvkm_i2c_aux_release(aux);
+-                              return ret;
++                      for (retries = 0, cnt = 0;
++                           retries < 32 && !cnt;
++                           retries++) {
++                              cnt = min_t(u8, remaining, 16);
++                              ret = aux->func->xfer(aux, true, cmd,
++                                                    msg->addr, ptr, &cnt);
++                              if (ret < 0)
++                                      goto out;
++                      }
++                      if (!cnt) {
++                              AUX_TRACE(aux, "no data after 32 retries");
++                              ret = -EIO;
++                              goto out;
+                       }
+ 
+                       ptr += cnt;
+@@ -64,8 +72,10 @@ nvkm_i2c_aux_i2c_xfer(struct i2c_adapter *adap, struct 
i2c_msg *msgs, int num)
+               msg++;
+       }
+ 
++      ret = num;
++out:
+       nvkm_i2c_aux_release(aux);
+-      return num;
++      return ret;
+ }
+ 
+ static u32
+diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c 
b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
+index 080f05352195..6a4da3a0ff1c 100644
+--- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
++++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
+@@ -436,7 +436,7 @@ static int rockchip_dp_resume(struct device *dev)
+ 
+ static const struct dev_pm_ops rockchip_dp_pm_ops = {
+ #ifdef CONFIG_PM_SLEEP
+-      .suspend = rockchip_dp_suspend,
++      .suspend_late = rockchip_dp_suspend,
+       .resume_early = rockchip_dp_resume,
+ #endif
+ };
+diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c 
b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
+index e4e09d47c5c0..59e9d05ab928 100644
+--- a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
++++ b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
+@@ -389,8 +389,10 @@ static int vmw_recv_msg(struct rpc_channel *channel, void 
**msg,
+               break;
+       }
+ 
+-      if (retries == RETRIES)
++      if (retries == RETRIES) {
++              kfree(reply);
+               return -EINVAL;
++      }
+ 
+       *msg_len = reply_len;
+       *msg     = reply;
+diff --git a/drivers/hid/hid-a4tech.c b/drivers/hid/hid-a4tech.c
+index 9428ea7cdf8a..c52bd163abb3 100644
+--- a/drivers/hid/hid-a4tech.c
++++ b/drivers/hid/hid-a4tech.c
+@@ -26,12 +26,36 @@
+ #define A4_2WHEEL_MOUSE_HACK_7        0x01
+ #define A4_2WHEEL_MOUSE_HACK_B8       0x02
+ 
++#define A4_WHEEL_ORIENTATION  (HID_UP_GENDESK | 0x000000b8)
++
+ struct a4tech_sc {
+       unsigned long quirks;
+       unsigned int hw_wheel;
+       __s32 delayed_value;
+ };
+ 
++static int a4_input_mapping(struct hid_device *hdev, struct hid_input *hi,
++                          struct hid_field *field, struct hid_usage *usage,
++                          unsigned long **bit, int *max)
++{
++      struct a4tech_sc *a4 = hid_get_drvdata(hdev);
++
++      if (a4->quirks & A4_2WHEEL_MOUSE_HACK_B8 &&
++          usage->hid == A4_WHEEL_ORIENTATION) {
++              /*
++               * We do not want to have this usage mapped to anything as it's
++               * nonstandard and doesn't really behave like an HID report.
++               * It's only selecting the orientation (vertical/horizontal) of
++               * the previous mouse wheel report. The input_events will be
++               * generated once both reports are recorded in a4_event().
++               */
++              return -1;
++      }
++
++      return 0;
++
++}
++
+ static int a4_input_mapped(struct hid_device *hdev, struct hid_input *hi,
+               struct hid_field *field, struct hid_usage *usage,
+               unsigned long **bit, int *max)
+@@ -53,8 +77,7 @@ static int a4_event(struct hid_device *hdev, struct 
hid_field *field,
+       struct a4tech_sc *a4 = hid_get_drvdata(hdev);
+       struct input_dev *input;
+ 
+-      if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput ||
+-                      !usage->type)
++      if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput)
+               return 0;
+ 
+       input = field->hidinput->input;
+@@ -65,7 +88,7 @@ static int a4_event(struct hid_device *hdev, struct 
hid_field *field,
+                       return 1;
+               }
+ 
+-              if (usage->hid == 0x000100b8) {
++              if (usage->hid == A4_WHEEL_ORIENTATION) {
+                       input_event(input, EV_REL, value ? REL_HWHEEL :
+                                       REL_WHEEL, a4->delayed_value);
+                       return 1;
+@@ -129,6 +152,7 @@ MODULE_DEVICE_TABLE(hid, a4_devices);
+ static struct hid_driver a4_driver = {
+       .name = "a4tech",
+       .id_table = a4_devices,
++      .input_mapping = a4_input_mapping,
+       .input_mapped = a4_input_mapped,
+       .event = a4_event,
+       .probe = a4_probe,
+diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
+index 2898bb061945..4a2fa57ddcb8 100644
+--- a/drivers/hid/hid-ids.h
++++ b/drivers/hid/hid-ids.h
+@@ -971,6 +971,7 @@
+ #define USB_DEVICE_ID_SAITEK_RAT7     0x0cd7
+ #define USB_DEVICE_ID_SAITEK_RAT9     0x0cfa
+ #define USB_DEVICE_ID_SAITEK_MMO7     0x0cd0
++#define USB_DEVICE_ID_SAITEK_X52      0x075c
+ 
+ #define USB_VENDOR_ID_SAMSUNG         0x0419
+ #define USB_DEVICE_ID_SAMSUNG_IR_REMOTE       0x0001
+diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
+index d29c7c9cd185..e553f6fae7a4 100644
+--- a/drivers/hid/hid-quirks.c
++++ b/drivers/hid/hid-quirks.c
+@@ -143,6 +143,7 @@ static const struct hid_device_id hid_quirks[] = {
+       { HID_USB_DEVICE(USB_VENDOR_ID_RETROUSB, 
USB_DEVICE_ID_RETROUSB_SNES_RETROPAD), HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE },
+       { HID_USB_DEVICE(USB_VENDOR_ID_RETROUSB, 
USB_DEVICE_ID_RETROUSB_SNES_RETROPORT), HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE 
},
+       { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RUMBLEPAD), 
HID_QUIRK_BADPAD },
++      { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_X52), 
HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE },
+       { HID_USB_DEVICE(USB_VENDOR_ID_SEMICO, 
USB_DEVICE_ID_SEMICO_USB_KEYKOARD2), HID_QUIRK_NO_INIT_REPORTS },
+       { HID_USB_DEVICE(USB_VENDOR_ID_SEMICO, 
USB_DEVICE_ID_SEMICO_USB_KEYKOARD), HID_QUIRK_NO_INIT_REPORTS },
+       { HID_USB_DEVICE(USB_VENDOR_ID_SENNHEISER, 
USB_DEVICE_ID_SENNHEISER_BTD500USB), HID_QUIRK_NOGET },
+diff --git a/drivers/hid/hid-tmff.c b/drivers/hid/hid-tmff.c
+index bea8def64f43..30b8c3256c99 100644
+--- a/drivers/hid/hid-tmff.c
++++ b/drivers/hid/hid-tmff.c
+@@ -34,6 +34,8 @@
+ 
+ #include "hid-ids.h"
+ 
++#define THRUSTMASTER_DEVICE_ID_2_IN_1_DT      0xb320
++
+ static const signed short ff_rumble[] = {
+       FF_RUMBLE,
+       -1
+@@ -88,6 +90,7 @@ static int tmff_play(struct input_dev *dev, void *data,
+       struct hid_field *ff_field = tmff->ff_field;
+       int x, y;
+       int left, right;        /* Rumbling */
++      int motor_swap;
+ 
+       switch (effect->type) {
+       case FF_CONSTANT:
+@@ -112,6 +115,13 @@ static int tmff_play(struct input_dev *dev, void *data,
+                                       ff_field->logical_minimum,
+                                       ff_field->logical_maximum);
+ 
++              /* 2-in-1 strong motor is left */
++              if (hid->product == THRUSTMASTER_DEVICE_ID_2_IN_1_DT) {
++                      motor_swap = left;
++                      left = right;
++                      right = motor_swap;
++              }
++
+               dbg_hid("(left,right)=(%08x, %08x)\n", left, right);
+               ff_field->value[0] = left;
+               ff_field->value[1] = right;
+@@ -238,6 +248,8 @@ static const struct hid_device_id tm_devices[] = {
+               .driver_data = (unsigned long)ff_rumble },
+       { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304),   /* FireStorm 
Dual Power 2 (and 3) */
+               .driver_data = (unsigned long)ff_rumble },
++      { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 
THRUSTMASTER_DEVICE_ID_2_IN_1_DT),   /* Dual Trigger 2-in-1 */
++              .driver_data = (unsigned long)ff_rumble },
+       { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323),   /* Dual Trigger 
3-in-1 (PC Mode) */
+               .driver_data = (unsigned long)ff_rumble },
+       { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324),   /* Dual Trigger 
3-in-1 (PS3 Mode) */
+diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
+index e56dc97fe4b6..50ef7b6cd195 100644
+--- a/drivers/hid/wacom_wac.c
++++ b/drivers/hid/wacom_wac.c
+@@ -848,6 +848,8 @@ static int wacom_intuos_general(struct wacom_wac *wacom)
+               y >>= 1;
+               distance >>= 1;
+       }
++      if (features->type == INTUOSHT2)
++              distance = features->distance_max - distance;
+       input_report_abs(input, ABS_X, x);
+       input_report_abs(input, ABS_Y, y);
+       input_report_abs(input, ABS_DISTANCE, distance);
+@@ -1061,7 +1063,7 @@ static int wacom_remote_irq(struct wacom_wac *wacom_wac, 
size_t len)
+       input_report_key(input, BTN_BASE2, (data[11] & 0x02));
+ 
+       if (data[12] & 0x80)
+-              input_report_abs(input, ABS_WHEEL, (data[12] & 0x7f));
++              input_report_abs(input, ABS_WHEEL, (data[12] & 0x7f) - 1);
+       else
+               input_report_abs(input, ABS_WHEEL, 0);
+ 
+diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
+index 2f164bd74687..fdb0f832fade 100644
+--- a/drivers/hv/channel.c
++++ b/drivers/hv/channel.c
+@@ -38,7 +38,7 @@
+ 
+ static unsigned long virt_to_hvpfn(void *addr)
+ {
+-      unsigned long paddr;
++      phys_addr_t paddr;
+ 
+       if (is_vmalloc_addr(addr))
+               paddr = page_to_phys(vmalloc_to_page(addr)) +
+diff --git a/drivers/isdn/hardware/mISDN/hfcsusb.c 
b/drivers/isdn/hardware/mISDN/hfcsusb.c
+index 060dc7fd66c1..c952002c6301 100644
+--- a/drivers/isdn/hardware/mISDN/hfcsusb.c
++++ b/drivers/isdn/hardware/mISDN/hfcsusb.c
+@@ -1406,6 +1406,7 @@ start_isoc_chain(struct usb_fifo *fifo, int 
num_packets_per_urb,
+                               printk(KERN_DEBUG
+                                      "%s: %s: alloc urb for fifo %i failed",
+                                      hw->name, __func__, fifo->fifonum);
++                              continue;
+                       }
+                       fifo->iso[i].owner_fifo = (struct usb_fifo *) fifo;
+                       fifo->iso[i].indx = i;
+@@ -1704,13 +1705,23 @@ hfcsusb_stop_endpoint(struct hfcsusb *hw, int channel)
+ static int
+ setup_hfcsusb(struct hfcsusb *hw)
+ {
++      void *dmabuf = kmalloc(sizeof(u_char), GFP_KERNEL);
+       u_char b;
++      int ret;
+ 
+       if (debug & DBG_HFC_CALL_TRACE)
+               printk(KERN_DEBUG "%s: %s\n", hw->name, __func__);
+ 
++      if (!dmabuf)
++              return -ENOMEM;
++
++      ret = read_reg_atomic(hw, HFCUSB_CHIP_ID, dmabuf);
++
++      memcpy(&b, dmabuf, sizeof(u_char));
++      kfree(dmabuf);
++
+       /* check the chip id */
+-      if (read_reg_atomic(hw, HFCUSB_CHIP_ID, &b) != 1) {
++      if (ret != 1) {
+               printk(KERN_DEBUG "%s: %s: cannot read chip id\n",
+                      hw->name, __func__);
+               return 1;
+diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
+index b1d0ae2dbd3d..dc385b70e4c3 100644
+--- a/drivers/md/dm-bufio.c
++++ b/drivers/md/dm-bufio.c
+@@ -1602,7 +1602,9 @@ dm_bufio_shrink_scan(struct shrinker *shrink, struct 
shrink_control *sc)
+       unsigned long freed;
+ 
+       c = container_of(shrink, struct dm_bufio_client, shrinker);
+-      if (!dm_bufio_trylock(c))
++      if (sc->gfp_mask & __GFP_FS)
++              dm_bufio_lock(c);
++      else if (!dm_bufio_trylock(c))
+               return SHRINK_STOP;
+ 
+       freed  = __scan(c, sc->nr_to_scan, sc->gfp_mask);
+diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
+index dbdcc543832d..2e22d588f056 100644
+--- a/drivers/md/dm-integrity.c
++++ b/drivers/md/dm-integrity.c
+@@ -1749,7 +1749,22 @@ offload_to_thread:
+                       queue_work(ic->wait_wq, &dio->work);
+                       return;
+               }
++              if (journal_read_pos != NOT_FOUND)
++                      dio->range.n_sectors = ic->sectors_per_block;
+               wait_and_add_new_range(ic, &dio->range);
++              /*
++               * wait_and_add_new_range drops the spinlock, so the journal
++               * may have been changed arbitrarily. We need to recheck.
++               * To simplify the code, we restrict I/O size to just one block.
++               */
++              if (journal_read_pos != NOT_FOUND) {
++                      sector_t next_sector;
++                      unsigned new_pos = find_journal_node(ic, 
dio->range.logical_sector, &next_sector);
++                      if (unlikely(new_pos != journal_read_pos)) {
++                              remove_range_unlocked(ic, &dio->range);
++                              goto retry;
++                      }
++              }
+       }
+       spin_unlock_irq(&ic->endio_wait.lock);
+ 
+diff --git a/drivers/md/dm-kcopyd.c b/drivers/md/dm-kcopyd.c
+index 671c24332802..3f694d9061ec 100644
+--- a/drivers/md/dm-kcopyd.c
++++ b/drivers/md/dm-kcopyd.c
+@@ -548,8 +548,10 @@ static int run_io_job(struct kcopyd_job *job)
+        * no point in continuing.
+        */
+       if (test_bit(DM_KCOPYD_WRITE_SEQ, &job->flags) &&
+-          job->master_job->write_err)
++          job->master_job->write_err) {
++              job->write_err = job->master_job->write_err;
+               return -EIO;
++      }
+ 
+       io_job_start(job->kc->throttle);
+ 
+@@ -601,6 +603,7 @@ static int process_jobs(struct list_head *jobs, struct 
dm_kcopyd_client *kc,
+                       else
+                               job->read_err = 1;
+                       push(&kc->complete_jobs, job);
++                      wake(kc);
+                       break;
+               }
+ 
+diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
+index c44925e4e481..b78a8a4d061c 100644
+--- a/drivers/md/dm-raid.c
++++ b/drivers/md/dm-raid.c
+@@ -3199,7 +3199,7 @@ static int raid_ctr(struct dm_target *ti, unsigned int 
argc, char **argv)
+                         */
+                       r = rs_prepare_reshape(rs);
+                       if (r)
+-                              return r;
++                              goto bad;
+ 
+                       /* Reshaping ain't recovery, so disable recovery */
+                       rs_setup_recovery(rs, MaxSector);
+diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
+index 34ab30dd5de9..36275c59e4e7 100644
+--- a/drivers/md/dm-table.c
++++ b/drivers/md/dm-table.c
+@@ -1349,7 +1349,7 @@ void dm_table_event(struct dm_table *t)
+ }
+ EXPORT_SYMBOL(dm_table_event);
+ 
+-sector_t dm_table_get_size(struct dm_table *t)
++inline sector_t dm_table_get_size(struct dm_table *t)
+ {
+       return t->num_targets ? (t->highs[t->num_targets - 1] + 1) : 0;
+ }
+@@ -1374,6 +1374,9 @@ struct dm_target *dm_table_find_target(struct dm_table 
*t, sector_t sector)
+       unsigned int l, n = 0, k = 0;
+       sector_t *node;
+ 
++      if (unlikely(sector >= dm_table_get_size(t)))
++              return &t->targets[t->num_targets];
++
+       for (l = 0; l < t->depth; l++) {
+               n = get_child(n, k);
+               node = get_node(t, l, n);
+diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c
+index 4cdde7a02e94..7e8d7fc99410 100644
+--- a/drivers/md/dm-zoned-metadata.c
++++ b/drivers/md/dm-zoned-metadata.c
+@@ -401,15 +401,18 @@ static struct dmz_mblock *dmz_get_mblock_slow(struct 
dmz_metadata *zmd,
+       sector_t block = zmd->sb[zmd->mblk_primary].block + mblk_no;
+       struct bio *bio;
+ 
++      if (dmz_bdev_is_dying(zmd->dev))
++              return ERR_PTR(-EIO);
++
+       /* Get a new block and a BIO to read it */
+       mblk = dmz_alloc_mblock(zmd, mblk_no);
+       if (!mblk)
+-              return NULL;
++              return ERR_PTR(-ENOMEM);
+ 
+       bio = bio_alloc(GFP_NOIO, 1);
+       if (!bio) {
+               dmz_free_mblock(zmd, mblk);
+-              return NULL;
++              return ERR_PTR(-ENOMEM);
+       }
+ 
+       spin_lock(&zmd->mblk_lock);
+@@ -540,8 +543,8 @@ static struct dmz_mblock *dmz_get_mblock(struct 
dmz_metadata *zmd,
+       if (!mblk) {
+               /* Cache miss: read the block from disk */
+               mblk = dmz_get_mblock_slow(zmd, mblk_no);
+-              if (!mblk)
+-                      return ERR_PTR(-ENOMEM);
++              if (IS_ERR(mblk))
++                      return mblk;
+       }
+ 
+       /* Wait for on-going read I/O and check for error */
+@@ -569,16 +572,19 @@ static void dmz_dirty_mblock(struct dmz_metadata *zmd, 
struct dmz_mblock *mblk)
+ /*
+  * Issue a metadata block write BIO.
+  */
+-static void dmz_write_mblock(struct dmz_metadata *zmd, struct dmz_mblock 
*mblk,
+-                           unsigned int set)
++static int dmz_write_mblock(struct dmz_metadata *zmd, struct dmz_mblock *mblk,
++                          unsigned int set)
+ {
+       sector_t block = zmd->sb[set].block + mblk->no;
+       struct bio *bio;
+ 
++      if (dmz_bdev_is_dying(zmd->dev))
++              return -EIO;
++
+       bio = bio_alloc(GFP_NOIO, 1);
+       if (!bio) {
+               set_bit(DMZ_META_ERROR, &mblk->state);
+-              return;
++              return -ENOMEM;
+       }
+ 
+       set_bit(DMZ_META_WRITING, &mblk->state);
+@@ -590,6 +596,8 @@ static void dmz_write_mblock(struct dmz_metadata *zmd, 
struct dmz_mblock *mblk,
+       bio_set_op_attrs(bio, REQ_OP_WRITE, REQ_META | REQ_PRIO);
+       bio_add_page(bio, mblk->page, DMZ_BLOCK_SIZE, 0);
+       submit_bio(bio);
++
++      return 0;
+ }
+ 
+ /*
+@@ -601,6 +609,9 @@ static int dmz_rdwr_block(struct dmz_metadata *zmd, int 
op, sector_t block,
+       struct bio *bio;
+       int ret;
+ 
++      if (dmz_bdev_is_dying(zmd->dev))
++              return -EIO;
++
+       bio = bio_alloc(GFP_NOIO, 1);
+       if (!bio)
+               return -ENOMEM;
+@@ -658,22 +669,29 @@ static int dmz_write_dirty_mblocks(struct dmz_metadata 
*zmd,
+ {
+       struct dmz_mblock *mblk;
+       struct blk_plug plug;
+-      int ret = 0;
++      int ret = 0, nr_mblks_submitted = 0;
+ 
+       /* Issue writes */
+       blk_start_plug(&plug);
+-      list_for_each_entry(mblk, write_list, link)
+-              dmz_write_mblock(zmd, mblk, set);
++      list_for_each_entry(mblk, write_list, link) {
++              ret = dmz_write_mblock(zmd, mblk, set);
++              if (ret)
++                      break;
++              nr_mblks_submitted++;
++      }
+       blk_finish_plug(&plug);
+ 
+       /* Wait for completion */
+       list_for_each_entry(mblk, write_list, link) {
++              if (!nr_mblks_submitted)
++                      break;
+               wait_on_bit_io(&mblk->state, DMZ_META_WRITING,
+                              TASK_UNINTERRUPTIBLE);
+               if (test_bit(DMZ_META_ERROR, &mblk->state)) {
+                       clear_bit(DMZ_META_ERROR, &mblk->state);
+                       ret = -EIO;
+               }
++              nr_mblks_submitted--;
+       }
+ 
+       /* Flush drive cache (this will also sync data) */
+@@ -735,6 +753,11 @@ int dmz_flush_metadata(struct dmz_metadata *zmd)
+        */
+       dmz_lock_flush(zmd);
+ 
++      if (dmz_bdev_is_dying(zmd->dev)) {
++              ret = -EIO;
++              goto out;
++      }
++
+       /* Get dirty blocks */
+       spin_lock(&zmd->mblk_lock);
+       list_splice_init(&zmd->mblk_dirty_list, &write_list);
+@@ -1534,7 +1557,7 @@ static struct dm_zone 
*dmz_get_rnd_zone_for_reclaim(struct dmz_metadata *zmd)
+       struct dm_zone *zone;
+ 
+       if (list_empty(&zmd->map_rnd_list))
+-              return NULL;
++              return ERR_PTR(-EBUSY);
+ 
+       list_for_each_entry(zone, &zmd->map_rnd_list, link) {
+               if (dmz_is_buf(zone))
+@@ -1545,7 +1568,7 @@ static struct dm_zone 
*dmz_get_rnd_zone_for_reclaim(struct dmz_metadata *zmd)
+                       return dzone;
+       }
+ 
+-      return NULL;
++      return ERR_PTR(-EBUSY);
+ }
+ 
+ /*
+@@ -1556,7 +1579,7 @@ static struct dm_zone 
*dmz_get_seq_zone_for_reclaim(struct dmz_metadata *zmd)
+       struct dm_zone *zone;
+ 
+       if (list_empty(&zmd->map_seq_list))
+-              return NULL;
++              return ERR_PTR(-EBUSY);
+ 
+       list_for_each_entry(zone, &zmd->map_seq_list, link) {
+               if (!zone->bzone)
+@@ -1565,7 +1588,7 @@ static struct dm_zone 
*dmz_get_seq_zone_for_reclaim(struct dmz_metadata *zmd)
+                       return zone;
+       }
+ 
+-      return NULL;
++      return ERR_PTR(-EBUSY);
+ }
+ 
+ /*
+@@ -1623,6 +1646,10 @@ again:
+               /* Alloate a random zone */
+               dzone = dmz_alloc_zone(zmd, DMZ_ALLOC_RND);
+               if (!dzone) {
++                      if (dmz_bdev_is_dying(zmd->dev)) {
++                              dzone = ERR_PTR(-EIO);
++                              goto out;
++                      }
+                       dmz_wait_for_free_zones(zmd);
+                       goto again;
+               }
+@@ -1720,6 +1747,10 @@ again:
+       /* Alloate a random zone */
+       bzone = dmz_alloc_zone(zmd, DMZ_ALLOC_RND);
+       if (!bzone) {
++              if (dmz_bdev_is_dying(zmd->dev)) {
++                      bzone = ERR_PTR(-EIO);
++                      goto out;
++              }
+               dmz_wait_for_free_zones(zmd);
+               goto again;
+       }
+diff --git a/drivers/md/dm-zoned-reclaim.c b/drivers/md/dm-zoned-reclaim.c
+index edf4b95eb075..9470b8f77a33 100644
+--- a/drivers/md/dm-zoned-reclaim.c
++++ b/drivers/md/dm-zoned-reclaim.c
+@@ -37,7 +37,7 @@ enum {
+ /*
+  * Number of seconds of target BIO inactivity to consider the target idle.
+  */
+-#define DMZ_IDLE_PERIOD               (10UL * HZ)
++#define DMZ_IDLE_PERIOD                       (10UL * HZ)
+ 
+ /*
+  * Percentage of unmapped (free) random zones below which reclaim starts
+@@ -134,6 +134,9 @@ static int dmz_reclaim_copy(struct dmz_reclaim *zrc,
+               set_bit(DM_KCOPYD_WRITE_SEQ, &flags);
+ 
+       while (block < end_block) {
++              if (dev->flags & DMZ_BDEV_DYING)
++                      return -EIO;
++
+               /* Get a valid region from the source zone */
+               ret = dmz_first_valid_block(zmd, src_zone, &block);
+               if (ret <= 0)
+@@ -215,7 +218,7 @@ static int dmz_reclaim_buf(struct dmz_reclaim *zrc, struct 
dm_zone *dzone)
+ 
+       dmz_unlock_flush(zmd);
+ 
+-      return 0;
++      return ret;
+ }
+ 
+ /*
+@@ -259,7 +262,7 @@ static int dmz_reclaim_seq_data(struct dmz_reclaim *zrc, 
struct dm_zone *dzone)
+ 
+       dmz_unlock_flush(zmd);
+ 
+-      return 0;
++      return ret;
+ }
+ 
+ /*
+@@ -312,7 +315,7 @@ static int dmz_reclaim_rnd_data(struct dmz_reclaim *zrc, 
struct dm_zone *dzone)
+ 
+       dmz_unlock_flush(zmd);
+ 
+-      return 0;
++      return ret;
+ }
+ 
+ /*
+@@ -334,7 +337,7 @@ static void dmz_reclaim_empty(struct dmz_reclaim *zrc, 
struct dm_zone *dzone)
+ /*
+  * Find a candidate zone for reclaim and process it.
+  */
+-static void dmz_reclaim(struct dmz_reclaim *zrc)
++static int dmz_do_reclaim(struct dmz_reclaim *zrc)
+ {
+       struct dmz_metadata *zmd = zrc->metadata;
+       struct dm_zone *dzone;
+@@ -344,8 +347,8 @@ static void dmz_reclaim(struct dmz_reclaim *zrc)
+ 
+       /* Get a data zone */
+       dzone = dmz_get_zone_for_reclaim(zmd);
+-      if (!dzone)
+-              return;
++      if (IS_ERR(dzone))
++              return PTR_ERR(dzone);
+ 
+       start = jiffies;
+ 
+@@ -391,13 +394,20 @@ static void dmz_reclaim(struct dmz_reclaim *zrc)
+ out:
+       if (ret) {
+               dmz_unlock_zone_reclaim(dzone);
+-              return;
++              return ret;
+       }
+ 
+-      (void) dmz_flush_metadata(zrc->metadata);
++      ret = dmz_flush_metadata(zrc->metadata);
++      if (ret) {
++              dmz_dev_debug(zrc->dev,
++                            "Metadata flush for zone %u failed, err %d\n",
++                            dmz_id(zmd, rzone), ret);
++              return ret;
++      }
+ 
+       dmz_dev_debug(zrc->dev, "Reclaimed zone %u in %u ms",
+                     dmz_id(zmd, rzone), jiffies_to_msecs(jiffies - start));
++      return 0;
+ }
+ 
+ /*
+@@ -442,6 +452,10 @@ static void dmz_reclaim_work(struct work_struct *work)
+       struct dmz_metadata *zmd = zrc->metadata;
+       unsigned int nr_rnd, nr_unmap_rnd;
+       unsigned int p_unmap_rnd;
++      int ret;
++
++      if (dmz_bdev_is_dying(zrc->dev))
++              return;
+ 
+       if (!dmz_should_reclaim(zrc)) {
+               mod_delayed_work(zrc->wq, &zrc->work, DMZ_IDLE_PERIOD);
+@@ -471,7 +485,17 @@ static void dmz_reclaim_work(struct work_struct *work)
+                     (dmz_target_idle(zrc) ? "Idle" : "Busy"),
+                     p_unmap_rnd, nr_unmap_rnd, nr_rnd);
+ 
+-      dmz_reclaim(zrc);
++      ret = dmz_do_reclaim(zrc);
++      if (ret) {
++              dmz_dev_debug(zrc->dev, "Reclaim error %d\n", ret);
++              if (ret == -EIO)
++                      /*
++                       * LLD might be performing some error handling sequence
++                       * at the underlying device. To not interfere, do not
++                       * attempt to schedule the next reclaim run immediately.
++                       */
++                      return;
++      }
+ 
+       dmz_schedule_reclaim(zrc);
+ }
+diff --git a/drivers/md/dm-zoned-target.c b/drivers/md/dm-zoned-target.c
+index 85fb2baa8a7f..1030c42add05 100644
+--- a/drivers/md/dm-zoned-target.c
++++ b/drivers/md/dm-zoned-target.c
+@@ -133,6 +133,8 @@ static int dmz_submit_bio(struct dmz_target *dmz, struct 
dm_zone *zone,
+ 
+       atomic_inc(&bioctx->ref);
+       generic_make_request(clone);
++      if (clone->bi_status == BLK_STS_IOERR)
++              return -EIO;
+ 
+       if (bio_op(bio) == REQ_OP_WRITE && dmz_is_seq(zone))
+               zone->wp_block += nr_blocks;
+@@ -277,8 +279,8 @@ static int dmz_handle_buffered_write(struct dmz_target 
*dmz,
+ 
+       /* Get the buffer zone. One will be allocated if needed */
+       bzone = dmz_get_chunk_buffer(zmd, zone);
+-      if (!bzone)
+-              return -ENOSPC;
++      if (IS_ERR(bzone))
++              return PTR_ERR(bzone);
+ 
+       if (dmz_is_readonly(bzone))
+               return -EROFS;
+@@ -389,6 +391,11 @@ static void dmz_handle_bio(struct dmz_target *dmz, struct 
dm_chunk_work *cw,
+ 
+       dmz_lock_metadata(zmd);
+ 
++      if (dmz->dev->flags & DMZ_BDEV_DYING) {
++              ret = -EIO;
++              goto out;
++      }
++
+       /*
+        * Get the data zone mapping the chunk. There may be no
+        * mapping for read and discard. If a mapping is obtained,
+@@ -493,6 +500,8 @@ static void dmz_flush_work(struct work_struct *work)
+ 
+       /* Flush dirty metadata blocks */
+       ret = dmz_flush_metadata(dmz->metadata);
++      if (ret)
++              dmz_dev_debug(dmz->dev, "Metadata flush failed, rc=%d\n", ret);
+ 
+       /* Process queued flush requests */
+       while (1) {
+@@ -513,22 +522,24 @@ static void dmz_flush_work(struct work_struct *work)
+  * Get a chunk work and start it to process a new BIO.
+  * If the BIO chunk has no work yet, create one.
+  */
+-static void dmz_queue_chunk_work(struct dmz_target *dmz, struct bio *bio)
++static int dmz_queue_chunk_work(struct dmz_target *dmz, struct bio *bio)
+ {
+       unsigned int chunk = dmz_bio_chunk(dmz->dev, bio);
+       struct dm_chunk_work *cw;
++      int ret = 0;
+ 
+       mutex_lock(&dmz->chunk_lock);
+ 
+       /* Get the BIO chunk work. If one is not active yet, create one */
+       cw = radix_tree_lookup(&dmz->chunk_rxtree, chunk);
+       if (!cw) {
+-              int ret;
+ 
+               /* Create a new chunk work */
+               cw = kmalloc(sizeof(struct dm_chunk_work), GFP_NOIO);
+-              if (!cw)
++              if (unlikely(!cw)) {
++                      ret = -ENOMEM;
+                       goto out;
++              }
+ 
+               INIT_WORK(&cw->work, dmz_chunk_work);
+               atomic_set(&cw->refcount, 0);
+@@ -539,7 +550,6 @@ static void dmz_queue_chunk_work(struct dmz_target *dmz, 
struct bio *bio)
+               ret = radix_tree_insert(&dmz->chunk_rxtree, chunk, cw);
+               if (unlikely(ret)) {
+                       kfree(cw);
+-                      cw = NULL;
+                       goto out;
+               }
+       }
+@@ -547,10 +557,38 @@ static void dmz_queue_chunk_work(struct dmz_target *dmz, 
struct bio *bio)
+       bio_list_add(&cw->bio_list, bio);
+       dmz_get_chunk_work(cw);
+ 
++      dmz_reclaim_bio_acc(dmz->reclaim);
+       if (queue_work(dmz->chunk_wq, &cw->work))
+               dmz_get_chunk_work(cw);
+ out:
+       mutex_unlock(&dmz->chunk_lock);
++      return ret;
++}
++
++/*
++ * Check the backing device availability. If it's on the way out,
++ * start failing I/O. Reclaim and metadata components also call this
++ * function to cleanly abort operation in the event of such failure.
++ */
++bool dmz_bdev_is_dying(struct dmz_dev *dmz_dev)
++{
++      struct gendisk *disk;
++
++      if (!(dmz_dev->flags & DMZ_BDEV_DYING)) {
++              disk = dmz_dev->bdev->bd_disk;
++              if (blk_queue_dying(bdev_get_queue(dmz_dev->bdev))) {
++                      dmz_dev_warn(dmz_dev, "Backing device queue dying");
++                      dmz_dev->flags |= DMZ_BDEV_DYING;
++              } else if (disk->fops->check_events) {
++                      if (disk->fops->check_events(disk, 0) &
++                                      DISK_EVENT_MEDIA_CHANGE) {
++                              dmz_dev_warn(dmz_dev, "Backing device offline");
++                              dmz_dev->flags |= DMZ_BDEV_DYING;
++                      }
++              }
++      }
++
++      return dmz_dev->flags & DMZ_BDEV_DYING;
+ }
+ 
+ /*
+@@ -564,6 +602,10 @@ static int dmz_map(struct dm_target *ti, struct bio *bio)
+       sector_t sector = bio->bi_iter.bi_sector;
+       unsigned int nr_sectors = bio_sectors(bio);
+       sector_t chunk_sector;
++      int ret;
++
++      if (dmz_bdev_is_dying(dmz->dev))
++              return DM_MAPIO_KILL;
+ 
+       dmz_dev_debug(dev, "BIO op %d sector %llu + %u => chunk %llu, block 
%llu, %u blocks",
+                     bio_op(bio), (unsigned long long)sector, nr_sectors,
+@@ -601,8 +643,14 @@ static int dmz_map(struct dm_target *ti, struct bio *bio)
+               dm_accept_partial_bio(bio, dev->zone_nr_sectors - chunk_sector);
+ 
+       /* Now ready to handle this BIO */
+-      dmz_reclaim_bio_acc(dmz->reclaim);
+-      dmz_queue_chunk_work(dmz, bio);
++      ret = dmz_queue_chunk_work(dmz, bio);
++      if (ret) {
++              dmz_dev_debug(dmz->dev,
++                            "BIO op %d, can't process chunk %llu, err %i\n",
++                            bio_op(bio), (u64)dmz_bio_chunk(dmz->dev, bio),
++                            ret);
++              return DM_MAPIO_REQUEUE;
++      }
+ 
+       return DM_MAPIO_SUBMITTED;
+ }
+@@ -856,6 +904,9 @@ static int dmz_prepare_ioctl(struct dm_target *ti, struct 
block_device **bdev)
+ {
+       struct dmz_target *dmz = ti->private;
+ 
++      if (dmz_bdev_is_dying(dmz->dev))
++              return -ENODEV;
++
+       *bdev = dmz->dev->bdev;
+ 
+       return 0;
+diff --git a/drivers/md/dm-zoned.h b/drivers/md/dm-zoned.h
+index ed8de49c9a08..93a64529f219 100644
+--- a/drivers/md/dm-zoned.h
++++ b/drivers/md/dm-zoned.h
+@@ -56,6 +56,8 @@ struct dmz_dev {
+ 
+       unsigned int            nr_zones;
+ 
++      unsigned int            flags;
++
+       sector_t                zone_nr_sectors;
+       unsigned int            zone_nr_sectors_shift;
+ 
+@@ -67,6 +69,9 @@ struct dmz_dev {
+                                (dev)->zone_nr_sectors_shift)
+ #define dmz_chunk_block(dev, b)       ((b) & ((dev)->zone_nr_blocks - 1))
+ 
++/* Device flags. */
++#define DMZ_BDEV_DYING                (1 << 0)
++
+ /*
+  * Zone descriptor.
+  */
+@@ -245,4 +250,9 @@ void dmz_resume_reclaim(struct dmz_reclaim *zrc);
+ void dmz_reclaim_bio_acc(struct dmz_reclaim *zrc);
+ void dmz_schedule_reclaim(struct dmz_reclaim *zrc);
+ 
++/*
++ * Functions defined in dm-zoned-target.c
++ */
++bool dmz_bdev_is_dying(struct dmz_dev *dmz_dev);
++
+ #endif /* DM_ZONED_H */
+diff --git a/drivers/md/persistent-data/dm-btree.c 
b/drivers/md/persistent-data/dm-btree.c
+index 58b319757b1e..8aae0624a297 100644
+--- a/drivers/md/persistent-data/dm-btree.c
++++ b/drivers/md/persistent-data/dm-btree.c
+@@ -628,39 +628,40 @@ static int btree_split_beneath(struct shadow_spine *s, 
uint64_t key)
+ 
+       new_parent = shadow_current(s);
+ 
++      pn = dm_block_data(new_parent);
++      size = le32_to_cpu(pn->header.flags) & INTERNAL_NODE ?
++              sizeof(__le64) : s->info->value_type.size;
++
++      /* create & init the left block */
+       r = new_block(s->info, &left);
+       if (r < 0)
+               return r;
+ 
++      ln = dm_block_data(left);
++      nr_left = le32_to_cpu(pn->header.nr_entries) / 2;
++
++      ln->header.flags = pn->header.flags;
++      ln->header.nr_entries = cpu_to_le32(nr_left);
++      ln->header.max_entries = pn->header.max_entries;
++      ln->header.value_size = pn->header.value_size;
++      memcpy(ln->keys, pn->keys, nr_left * sizeof(pn->keys[0]));
++      memcpy(value_ptr(ln, 0), value_ptr(pn, 0), nr_left * size);
++
++      /* create & init the right block */
+       r = new_block(s->info, &right);
+       if (r < 0) {
+               unlock_block(s->info, left);
+               return r;
+       }
+ 
+-      pn = dm_block_data(new_parent);
+-      ln = dm_block_data(left);
+       rn = dm_block_data(right);
+-
+-      nr_left = le32_to_cpu(pn->header.nr_entries) / 2;
+       nr_right = le32_to_cpu(pn->header.nr_entries) - nr_left;
+ 
+-      ln->header.flags = pn->header.flags;
+-      ln->header.nr_entries = cpu_to_le32(nr_left);
+-      ln->header.max_entries = pn->header.max_entries;
+-      ln->header.value_size = pn->header.value_size;
+-
+       rn->header.flags = pn->header.flags;
+       rn->header.nr_entries = cpu_to_le32(nr_right);
+       rn->header.max_entries = pn->header.max_entries;
+       rn->header.value_size = pn->header.value_size;
+-
+-      memcpy(ln->keys, pn->keys, nr_left * sizeof(pn->keys[0]));
+       memcpy(rn->keys, pn->keys + nr_left, nr_right * sizeof(pn->keys[0]));
+-
+-      size = le32_to_cpu(pn->header.flags) & INTERNAL_NODE ?
+-              sizeof(__le64) : s->info->value_type.size;
+-      memcpy(value_ptr(ln, 0), value_ptr(pn, 0), nr_left * size);
+       memcpy(value_ptr(rn, 0), value_ptr(pn, nr_left),
+              nr_right * size);
+ 
+diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c 
b/drivers/md/persistent-data/dm-space-map-metadata.c
+index aec449243966..25328582cc48 100644
+--- a/drivers/md/persistent-data/dm-space-map-metadata.c
++++ b/drivers/md/persistent-data/dm-space-map-metadata.c
+@@ -249,7 +249,7 @@ static int out(struct sm_metadata *smm)
+       }
+ 
+       if (smm->recursion_count == 1)
+-              apply_bops(smm);
++              r = apply_bops(smm);
+ 
+       smm->recursion_count--;
+ 
+diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
+index 8f14f85b8e95..0d2392c4b625 100644
+--- a/drivers/net/bonding/bond_main.c
++++ b/drivers/net/bonding/bond_main.c
+@@ -2190,6 +2190,15 @@ static void bond_miimon_commit(struct bonding *bond)
+       bond_for_each_slave(bond, slave, iter) {
+               switch (slave->new_link) {
+               case BOND_LINK_NOCHANGE:
++                      /* For 802.3ad mode, check current slave speed and
++                       * duplex again in case its port was disabled after
++                       * invalid speed/duplex reporting but recovered before
++                       * link monitoring could make a decision on the actual
++                       * link status
++                       */
++                      if (BOND_MODE(bond) == BOND_MODE_8023AD &&
++                          slave->link == BOND_LINK_UP)
++                              bond_3ad_adapter_speed_duplex_changed(slave);
+                       continue;
+ 
+               case BOND_LINK_UP:
+diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
+index c05e4d50d43d..bd127ce3aba2 100644
+--- a/drivers/net/can/dev.c
++++ b/drivers/net/can/dev.c
+@@ -1260,6 +1260,8 @@ int register_candev(struct net_device *dev)
+               return -EINVAL;
+ 
+       dev->rtnl_link_ops = &can_link_ops;
++      netif_carrier_off(dev);
++
+       return register_netdev(dev);
+ }
+ EXPORT_SYMBOL_GPL(register_candev);
+diff --git a/drivers/net/can/sja1000/peak_pcmcia.c 
b/drivers/net/can/sja1000/peak_pcmcia.c
+index b8c39ede7cd5..179bfcd541f2 100644
+--- a/drivers/net/can/sja1000/peak_pcmcia.c
++++ b/drivers/net/can/sja1000/peak_pcmcia.c
+@@ -487,7 +487,7 @@ static void pcan_free_channels(struct pcan_pccard *card)
+               if (!netdev)
+                       continue;
+ 
+-              strncpy(name, netdev->name, IFNAMSIZ);
++              strlcpy(name, netdev->name, IFNAMSIZ);
+ 
+               unregister_sja1000dev(netdev);
+ 
+diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c
+index da64e71a62ee..fccb6bf21fad 100644
+--- a/drivers/net/can/spi/mcp251x.c
++++ b/drivers/net/can/spi/mcp251x.c
+@@ -678,17 +678,6 @@ static int mcp251x_power_enable(struct regulator *reg, 
int enable)
+               return regulator_disable(reg);
+ }
+ 
+-static void mcp251x_open_clean(struct net_device *net)
+-{
+-      struct mcp251x_priv *priv = netdev_priv(net);
+-      struct spi_device *spi = priv->spi;
+-
+-      free_irq(spi->irq, priv);
+-      mcp251x_hw_sleep(spi);
+-      mcp251x_power_enable(priv->transceiver, 0);
+-      close_candev(net);
+-}
+-
+ static int mcp251x_stop(struct net_device *net)
+ {
+       struct mcp251x_priv *priv = netdev_priv(net);
+@@ -954,37 +943,43 @@ static int mcp251x_open(struct net_device *net)
+                                  flags | IRQF_ONESHOT, DEVICE_NAME, priv);
+       if (ret) {
+               dev_err(&spi->dev, "failed to acquire irq %d\n", spi->irq);
+-              mcp251x_power_enable(priv->transceiver, 0);
+-              close_candev(net);
+-              goto open_unlock;
++              goto out_close;
+       }
+ 
+       priv->wq = alloc_workqueue("mcp251x_wq", WQ_FREEZABLE | WQ_MEM_RECLAIM,
+                                  0);
++      if (!priv->wq) {
++              ret = -ENOMEM;
++              goto out_clean;
++      }
+       INIT_WORK(&priv->tx_work, mcp251x_tx_work_handler);
+       INIT_WORK(&priv->restart_work, mcp251x_restart_work_handler);
+ 
+       ret = mcp251x_hw_reset(spi);
+-      if (ret) {
+-              mcp251x_open_clean(net);
+-              goto open_unlock;
+-      }
++      if (ret)
++              goto out_free_wq;
+       ret = mcp251x_setup(net, spi);
+-      if (ret) {
+-              mcp251x_open_clean(net);
+-              goto open_unlock;
+-      }
++      if (ret)
++              goto out_free_wq;
+       ret = mcp251x_set_normal_mode(spi);
+-      if (ret) {
+-              mcp251x_open_clean(net);
+-              goto open_unlock;
+-      }
++      if (ret)
++              goto out_free_wq;
+ 
+       can_led_event(net, CAN_LED_EVENT_OPEN);
+ 
+       netif_wake_queue(net);
++      mutex_unlock(&priv->mcp_lock);
+ 
+-open_unlock:
++      return 0;
++
++out_free_wq:
++      destroy_workqueue(priv->wq);
++out_clean:
++      free_irq(spi->irq, priv);
++      mcp251x_hw_sleep(spi);
++out_close:
++      mcp251x_power_enable(priv->transceiver, 0);
++      close_candev(net);
+       mutex_unlock(&priv->mcp_lock);
+       return ret;
+ }
+diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.c 
b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
+index 740ef47eab01..43b0fa2b9932 100644
+--- a/drivers/net/can/usb/peak_usb/pcan_usb_core.c
++++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
+@@ -863,7 +863,7 @@ static void peak_usb_disconnect(struct usb_interface *intf)
+ 
+               dev_prev_siblings = dev->prev_siblings;
+               dev->state &= ~PCAN_USB_STATE_CONNECTED;
+-              strncpy(name, netdev->name, IFNAMSIZ);
++              strlcpy(name, netdev->name, IFNAMSIZ);
+ 
+               unregister_netdev(netdev);
+ 
+diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c 
b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
+index c34ea385fe4a..6be6de0774b6 100644
+--- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
++++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
+@@ -3270,7 +3270,7 @@ static int init_one(struct pci_dev *pdev, const struct 
pci_device_id *ent)
+       if (!adapter->regs) {
+               dev_err(&pdev->dev, "cannot map device registers\n");
+               err = -ENOMEM;
+-              goto out_free_adapter;
++              goto out_free_adapter_nofail;
+       }
+ 
+       adapter->pdev = pdev;
+@@ -3398,6 +3398,9 @@ out_free_dev:
+               if (adapter->port[i])
+                       free_netdev(adapter->port[i]);
+ 
++out_free_adapter_nofail:
++      kfree_skb(adapter->nofail_skb);
++
+ out_free_adapter:
+       kfree(adapter);
+ 
+diff --git a/drivers/net/ethernet/hisilicon/hip04_eth.c 
b/drivers/net/ethernet/hisilicon/hip04_eth.c
+index 6127697ede12..a91d49dd92ea 100644
+--- a/drivers/net/ethernet/hisilicon/hip04_eth.c
++++ b/drivers/net/ethernet/hisilicon/hip04_eth.c
+@@ -157,6 +157,7 @@ struct hip04_priv {
+       unsigned int reg_inten;
+ 
+       struct napi_struct napi;
++      struct device *dev;
+       struct net_device *ndev;
+ 
+       struct tx_desc *tx_desc;
+@@ -185,7 +186,7 @@ struct hip04_priv {
+ 
+ static inline unsigned int tx_count(unsigned int head, unsigned int tail)
+ {
+-      return (head - tail) % (TX_DESC_NUM - 1);
++      return (head - tail) % TX_DESC_NUM;
+ }
+ 
+ static void hip04_config_port(struct net_device *ndev, u32 speed, u32 duplex)
+@@ -387,7 +388,7 @@ static int hip04_tx_reclaim(struct net_device *ndev, bool 
force)
+               }
+ 
+               if (priv->tx_phys[tx_tail]) {
+-                      dma_unmap_single(&ndev->dev, priv->tx_phys[tx_tail],
++                      dma_unmap_single(priv->dev, priv->tx_phys[tx_tail],
+                                        priv->tx_skb[tx_tail]->len,
+                                        DMA_TO_DEVICE);
+                       priv->tx_phys[tx_tail] = 0;
+@@ -437,8 +438,8 @@ static int hip04_mac_start_xmit(struct sk_buff *skb, 
struct net_device *ndev)
+               return NETDEV_TX_BUSY;
+       }
+ 
+-      phys = dma_map_single(&ndev->dev, skb->data, skb->len, DMA_TO_DEVICE);
+-      if (dma_mapping_error(&ndev->dev, phys)) {
++      phys = dma_map_single(priv->dev, skb->data, skb->len, DMA_TO_DEVICE);
++      if (dma_mapping_error(priv->dev, phys)) {
+               dev_kfree_skb(skb);
+               return NETDEV_TX_OK;
+       }
+@@ -497,6 +498,9 @@ static int hip04_rx_poll(struct napi_struct *napi, int 
budget)
+       u16 len;
+       u32 err;
+ 
++      /* clean up tx descriptors */
++      tx_remaining = hip04_tx_reclaim(ndev, false);
++
+       while (cnt && !last) {
+               buf = priv->rx_buf[priv->rx_head];
+               skb = build_skb(buf, priv->rx_buf_size);
+@@ -505,7 +509,7 @@ static int hip04_rx_poll(struct napi_struct *napi, int 
budget)
+                       goto refill;
+               }
+ 
+-              dma_unmap_single(&ndev->dev, priv->rx_phys[priv->rx_head],
++              dma_unmap_single(priv->dev, priv->rx_phys[priv->rx_head],
+                                RX_BUF_SIZE, DMA_FROM_DEVICE);
+               priv->rx_phys[priv->rx_head] = 0;
+ 
+@@ -534,9 +538,9 @@ refill:
+               buf = netdev_alloc_frag(priv->rx_buf_size);
+               if (!buf)
+                       goto done;
+-              phys = dma_map_single(&ndev->dev, buf,
++              phys = dma_map_single(priv->dev, buf,
+                                     RX_BUF_SIZE, DMA_FROM_DEVICE);
+-              if (dma_mapping_error(&ndev->dev, phys))
++              if (dma_mapping_error(priv->dev, phys))
+                       goto done;
+               priv->rx_buf[priv->rx_head] = buf;
+               priv->rx_phys[priv->rx_head] = phys;
+@@ -557,8 +561,7 @@ refill:
+       }
+       napi_complete_done(napi, rx);
+ done:
+-      /* clean up tx descriptors and start a new timer if necessary */
+-      tx_remaining = hip04_tx_reclaim(ndev, false);
++      /* start a new timer if necessary */
+       if (rx < budget && tx_remaining)
+               hip04_start_tx_timer(priv);
+ 
+@@ -640,9 +643,9 @@ static int hip04_mac_open(struct net_device *ndev)
+       for (i = 0; i < RX_DESC_NUM; i++) {
+               dma_addr_t phys;
+ 
+-              phys = dma_map_single(&ndev->dev, priv->rx_buf[i],
++              phys = dma_map_single(priv->dev, priv->rx_buf[i],
+                                     RX_BUF_SIZE, DMA_FROM_DEVICE);
+-              if (dma_mapping_error(&ndev->dev, phys))
++              if (dma_mapping_error(priv->dev, phys))
+                       return -EIO;
+ 
+               priv->rx_phys[i] = phys;
+@@ -676,7 +679,7 @@ static int hip04_mac_stop(struct net_device *ndev)
+ 
+       for (i = 0; i < RX_DESC_NUM; i++) {
+               if (priv->rx_phys[i]) {
+-                      dma_unmap_single(&ndev->dev, priv->rx_phys[i],
++                      dma_unmap_single(priv->dev, priv->rx_phys[i],
+                                        RX_BUF_SIZE, DMA_FROM_DEVICE);
+                       priv->rx_phys[i] = 0;
+               }
+@@ -820,6 +823,7 @@ static int hip04_mac_probe(struct platform_device *pdev)
+               return -ENOMEM;
+ 
+       priv = netdev_priv(ndev);
++      priv->dev = d;
+       priv->ndev = ndev;
+       platform_set_drvdata(pdev, ndev);
+       SET_NETDEV_DEV(ndev, &pdev->dev);
+diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c 
b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+index 6455511457ca..9b608d23ff7e 100644
+--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
++++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+@@ -4412,9 +4412,9 @@ static void mvpp2_xlg_config(struct mvpp2_port *port, 
unsigned int mode,
+       if (state->pause & MLO_PAUSE_RX)
+               ctrl0 |= MVPP22_XLG_CTRL0_RX_FLOW_CTRL_EN;
+ 
+-      ctrl4 &= ~MVPP22_XLG_CTRL4_MACMODSELECT_GMAC;
+-      ctrl4 |= MVPP22_XLG_CTRL4_FWD_FC | MVPP22_XLG_CTRL4_FWD_PFC |
+-               MVPP22_XLG_CTRL4_EN_IDLE_CHECK;
++      ctrl4 &= ~(MVPP22_XLG_CTRL4_MACMODSELECT_GMAC |
++                 MVPP22_XLG_CTRL4_EN_IDLE_CHECK);
++      ctrl4 |= MVPP22_XLG_CTRL4_FWD_FC | MVPP22_XLG_CTRL4_FWD_PFC;
+ 
+       writel(ctrl0, port->base + MVPP22_XLG_CTRL0_REG);
+       writel(ctrl4, port->base + MVPP22_XLG_CTRL4_REG);
+diff --git a/drivers/net/ethernet/qlogic/qed/qed_int.c 
b/drivers/net/ethernet/qlogic/qed/qed_int.c
+index b22f464ea3fa..f9e475075d3e 100644
+--- a/drivers/net/ethernet/qlogic/qed/qed_int.c
++++ b/drivers/net/ethernet/qlogic/qed/qed_int.c
+@@ -939,7 +939,7 @@ static int qed_int_deassertion(struct qed_hwfn  *p_hwfn,
+                                               snprintf(bit_name, 30,
+                                                        p_aeu->bit_name, num);
+                                       else
+-                                              strncpy(bit_name,
++                                              strlcpy(bit_name,
+                                                       p_aeu->bit_name, 30);
+ 
+                                       /* We now need to pass bitmask in its
+diff --git a/drivers/net/ethernet/qlogic/qed/qed_rdma.c 
b/drivers/net/ethernet/qlogic/qed/qed_rdma.c
+index 13802b825d65..909422d93903 100644
+--- a/drivers/net/ethernet/qlogic/qed/qed_rdma.c
++++ b/drivers/net/ethernet/qlogic/qed/qed_rdma.c
+@@ -442,7 +442,7 @@ static void qed_rdma_init_devinfo(struct qed_hwfn *p_hwfn,
+       /* Vendor specific information */
+       dev->vendor_id = cdev->vendor_id;
+       dev->vendor_part_id = cdev->device_id;
+-      dev->hw_ver = 0;
++      dev->hw_ver = cdev->chip_rev;
+       dev->fw_ver = (FW_MAJOR_VERSION << 24) | (FW_MINOR_VERSION << 16) |
+                     (FW_REVISION_VERSION << 8) | (FW_ENGINEERING_VERSION);
+ 
+diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c 
b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
+index d0e6e1503581..48cf5e2b2441 100644
+--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
++++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
+@@ -88,6 +88,8 @@ static void dwmac4_rx_queue_priority(struct mac_device_info 
*hw,
+       u32 value;
+ 
+       base_register = (queue < 4) ? GMAC_RXQ_CTRL2 : GMAC_RXQ_CTRL3;
++      if (queue >= 4)
++              queue -= 4;
+ 
+       value = readl(ioaddr + base_register);
+ 
+@@ -105,6 +107,8 @@ static void dwmac4_tx_queue_priority(struct 
mac_device_info *hw,
+       u32 value;
+ 
+       base_register = (queue < 4) ? GMAC_TXQ_PRTY_MAP0 : GMAC_TXQ_PRTY_MAP1;
++      if (queue >= 4)
++              queue -= 4;
+ 
+       value = readl(ioaddr + base_register);
+ 
+diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c 
b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
+index d182f82f7b58..870302a7177e 100644
+--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
++++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
+@@ -106,6 +106,8 @@ static void dwxgmac2_rx_queue_prio(struct mac_device_info 
*hw, u32 prio,
+       u32 value, reg;
+ 
+       reg = (queue < 4) ? XGMAC_RXQ_CTRL2 : XGMAC_RXQ_CTRL3;
++      if (queue >= 4)
++              queue -= 4;
+ 
+       value = readl(ioaddr + reg);
+       value &= ~XGMAC_PSRQ(queue);
+@@ -169,6 +171,8 @@ static void dwxgmac2_map_mtl_to_dma(struct mac_device_info 
*hw, u32 queue,
+       u32 value, reg;
+ 
+       reg = (queue < 4) ? XGMAC_MTL_RXQ_DMA_MAP0 : XGMAC_MTL_RXQ_DMA_MAP1;
++      if (queue >= 4)
++              queue -= 4;
+ 
+       value = readl(ioaddr + reg);
+       value &= ~XGMAC_QxMDMACH(queue);
+diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c 
b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
+index 58ea18af9813..37c0bc699cd9 100644
+--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
++++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
+@@ -37,7 +37,7 @@ static struct stmmac_tc_entry *tc_find_entry(struct 
stmmac_priv *priv,
+               entry = &priv->tc_entries[i];
+               if (!entry->in_use && !first && free)
+                       first = entry;
+-              if (entry->handle == loc && !free)
++              if ((entry->handle == loc) && !free && !entry->is_frag)
+                       dup = entry;
+       }
+ 
+diff --git a/drivers/net/phy/phy_led_triggers.c 
b/drivers/net/phy/phy_led_triggers.c
+index 491efc1bf5c4..7278eca70f9f 100644
+--- a/drivers/net/phy/phy_led_triggers.c
++++ b/drivers/net/phy/phy_led_triggers.c
+@@ -58,8 +58,9 @@ void phy_led_trigger_change_speed(struct phy_device *phy)
+               if (!phy->last_triggered)
+                       led_trigger_event(&phy->led_link_trigger->trigger,
+                                         LED_FULL);
++              else
++                      led_trigger_event(&phy->last_triggered->trigger, 
LED_OFF);
+ 
+-              led_trigger_event(&phy->last_triggered->trigger, LED_OFF);
+               led_trigger_event(&plt->trigger, LED_FULL);
+               phy->last_triggered = plt;
+       }
+diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
+index 128c8a327d8e..51017c6bb3bc 100644
+--- a/drivers/net/usb/qmi_wwan.c
++++ b/drivers/net/usb/qmi_wwan.c
+@@ -1231,6 +1231,7 @@ static const struct usb_device_id products[] = {
+       {QMI_FIXED_INTF(0x2001, 0x7e35, 4)},    /* D-Link DWM-222 */
+       {QMI_FIXED_INTF(0x2020, 0x2031, 4)},    /* Olicard 600 */
+       {QMI_FIXED_INTF(0x2020, 0x2033, 4)},    /* BroadMobi BM806U */
++      {QMI_FIXED_INTF(0x2020, 0x2060, 4)},    /* BroadMobi BM818 */
+       {QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)},    /* Sierra Wireless MC7700 */
+       {QMI_FIXED_INTF(0x114f, 0x68a2, 8)},    /* Sierra Wireless MC7750 */
+       {QMI_FIXED_INTF(0x1199, 0x68a2, 8)},    /* Sierra Wireless MC7710 in 
QMI mode */
+diff --git a/drivers/net/wireless/mac80211_hwsim.c 
b/drivers/net/wireless/mac80211_hwsim.c
+index 7cd428c0af43..ce2dd06af62e 100644
+--- a/drivers/net/wireless/mac80211_hwsim.c
++++ b/drivers/net/wireless/mac80211_hwsim.c
+@@ -3502,10 +3502,12 @@ static int hwsim_dump_radio_nl(struct sk_buff *skb,
+               hdr = genlmsg_put(skb, NETLINK_CB(cb->skb).portid,
+                                 cb->nlh->nlmsg_seq, &hwsim_genl_family,
+                                 NLM_F_MULTI, HWSIM_CMD_GET_RADIO);
+-              if (!hdr)
++              if (hdr) {
++                      genl_dump_check_consistent(cb, hdr);
++                      genlmsg_end(skb, hdr);
++              } else {
+                       res = -EMSGSIZE;
+-              genl_dump_check_consistent(cb, hdr);
+-              genlmsg_end(skb, hdr);
++              }
+       }
+ 
+ done:
+diff --git a/drivers/nfc/st-nci/se.c b/drivers/nfc/st-nci/se.c
+index f55d082ace71..5d6e7e931bc6 100644
+--- a/drivers/nfc/st-nci/se.c
++++ b/drivers/nfc/st-nci/se.c
+@@ -344,6 +344,8 @@ static int st_nci_hci_connectivity_event_received(struct 
nci_dev *ndev,
+ 
+               transaction = (struct nfc_evt_transaction *)devm_kzalloc(dev,
+                                           skb->len - 2, GFP_KERNEL);
++              if (!transaction)
++                      return -ENOMEM;
+ 
+               transaction->aid_len = skb->data[1];
+               memcpy(transaction->aid, &skb->data[2], transaction->aid_len);
+diff --git a/drivers/nfc/st21nfca/se.c b/drivers/nfc/st21nfca/se.c
+index 4bed9e842db3..fd967a38a94a 100644
+--- a/drivers/nfc/st21nfca/se.c
++++ b/drivers/nfc/st21nfca/se.c
+@@ -328,6 +328,8 @@ int st21nfca_connectivity_event_received(struct 
nfc_hci_dev *hdev, u8 host,
+ 
+               transaction = (struct nfc_evt_transaction *)devm_kzalloc(dev,
+                                                  skb->len - 2, GFP_KERNEL);
++              if (!transaction)
++                      return -ENOMEM;
+ 
+               transaction->aid_len = skb->data[1];
+               memcpy(transaction->aid, &skb->data[2],
+diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
+index 9c332a6f6667..476728bdae8c 100644
+--- a/fs/ceph/addr.c
++++ b/fs/ceph/addr.c
+@@ -913,8 +913,9 @@ get_more_pages:
+                       if (page_offset(page) >= ceph_wbc.i_size) {
+                               dout("%p page eof %llu\n",
+                                    page, ceph_wbc.i_size);
+-                              if (ceph_wbc.size_stable ||
+-                                  page_offset(page) >= i_size_read(inode))
++                              if ((ceph_wbc.size_stable ||
++                                  page_offset(page) >= i_size_read(inode)) &&
++                                  clear_page_dirty_for_io(page))
+                                       mapping->a_ops->invalidatepage(page,
+                                                               0, PAGE_SIZE);
+                               unlock_page(page);
+diff --git a/fs/ceph/locks.c b/fs/ceph/locks.c
+index 9dae2ec7e1fa..6a8f4a99582e 100644
+--- a/fs/ceph/locks.c
++++ b/fs/ceph/locks.c
+@@ -111,8 +111,7 @@ static int ceph_lock_message(u8 lock_type, u16 operation, 
struct inode *inode,
+               req->r_wait_for_completion = ceph_lock_wait_for_completion;
+ 
+       err = ceph_mdsc_do_request(mdsc, inode, req);
+-
+-      if (operation == CEPH_MDS_OP_GETFILELOCK) {
++      if (!err && operation == CEPH_MDS_OP_GETFILELOCK) {
+               fl->fl_pid = 
-le64_to_cpu(req->r_reply_info.filelock_reply->pid);
+               if (CEPH_LOCK_SHARED == req->r_reply_info.filelock_reply->type)
+                       fl->fl_type = F_RDLCK;
+diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
+index 0ccf8f9b63a2..cc9e846a3865 100644
+--- a/fs/cifs/smb2ops.c
++++ b/fs/cifs/smb2ops.c
+@@ -2545,7 +2545,15 @@ fill_transform_hdr(struct smb2_transform_hdr *tr_hdr, 
unsigned int orig_len,
+ static inline void smb2_sg_set_buf(struct scatterlist *sg, const void *buf,
+                                  unsigned int buflen)
+ {
+-      sg_set_page(sg, virt_to_page(buf), buflen, offset_in_page(buf));
++      void *addr;
++      /*
++       * VMAP_STACK (at least) puts stack into the vmalloc address space
++       */
++      if (is_vmalloc_addr(buf))
++              addr = vmalloc_to_page(buf);
++      else
++              addr = virt_to_page(buf);
++      sg_set_page(sg, addr, buflen, offset_in_page(buf));
+ }
+ 
+ /* Assumes the first rqst has a transform header as the first iov.
+@@ -3121,7 +3129,6 @@ receive_encrypted_standard(struct TCP_Server_Info 
*server,
+ {
+       int ret, length;
+       char *buf = server->smallbuf;
+-      char *tmpbuf;
+       struct smb2_sync_hdr *shdr;
+       unsigned int pdu_length = server->pdu_size;
+       unsigned int buf_size;
+@@ -3151,18 +3158,15 @@ receive_encrypted_standard(struct TCP_Server_Info 
*server,
+               return length;
+ 
+       next_is_large = server->large_buf;
+- one_more:
++one_more:
+       shdr = (struct smb2_sync_hdr *)buf;
+       if (shdr->NextCommand) {
+-              if (next_is_large) {
+-                      tmpbuf = server->bigbuf;
++              if (next_is_large)
+                       next_buffer = (char *)cifs_buf_get();
+-              } else {
+-                      tmpbuf = server->smallbuf;
++              else
+                       next_buffer = (char *)cifs_small_buf_get();
+-              }
+               memcpy(next_buffer,
+-                     tmpbuf + le32_to_cpu(shdr->NextCommand),
++                     buf + le32_to_cpu(shdr->NextCommand),
+                      pdu_length - le32_to_cpu(shdr->NextCommand));
+       }
+ 
+@@ -3191,12 +3195,21 @@ receive_encrypted_standard(struct TCP_Server_Info 
*server,
+               pdu_length -= le32_to_cpu(shdr->NextCommand);
+               server->large_buf = next_is_large;
+               if (next_is_large)
+-                      server->bigbuf = next_buffer;
++                      server->bigbuf = buf = next_buffer;
+               else
+-                      server->smallbuf = next_buffer;
+-
+-              buf += le32_to_cpu(shdr->NextCommand);
++                      server->smallbuf = buf = next_buffer;
+               goto one_more;
++      } else if (ret != 0) {
++              /*
++               * ret != 0 here means that we didn't get to handle_mid() thus
++               * server->smallbuf and server->bigbuf are still valid. We need
++               * to free next_buffer because it is not going to be used
++               * anywhere.
++               */
++              if (next_is_large)
++                      free_rsp_buf(CIFS_LARGE_BUFFER, next_buffer);
++              else
++                      free_rsp_buf(CIFS_SMALL_BUFFER, next_buffer);
+       }
+ 
+       return ret;
+diff --git a/fs/nfs/fscache.c b/fs/nfs/fscache.c
+index 4dc887813c71..a7bc4e0494f9 100644
+--- a/fs/nfs/fscache.c
++++ b/fs/nfs/fscache.c
+@@ -118,6 +118,10 @@ void nfs_fscache_get_super_cookie(struct super_block *sb, 
const char *uniq, int
+       struct rb_node **p, *parent;
+       int diff;
+ 
++      nfss->fscache_key = NULL;
++      nfss->fscache = NULL;
++      if (!(nfss->options & NFS_OPTION_FSCACHE))
++              return;
+       if (!uniq) {
+               uniq = "";
+               ulen = 1;
+@@ -230,10 +234,11 @@ void nfs_fscache_release_super_cookie(struct super_block 
*sb)
+ void nfs_fscache_init_inode(struct inode *inode)
+ {
+       struct nfs_fscache_inode_auxdata auxdata;
++      struct nfs_server *nfss = NFS_SERVER(inode);
+       struct nfs_inode *nfsi = NFS_I(inode);
+ 
+       nfsi->fscache = NULL;
+-      if (!S_ISREG(inode->i_mode))
++      if (!(nfss->fscache && S_ISREG(inode->i_mode)))
+               return;
+ 
+       memset(&auxdata, 0, sizeof(auxdata));
+diff --git a/fs/nfs/fscache.h b/fs/nfs/fscache.h
+index 161ba2edb9d0..6363ea956858 100644
+--- a/fs/nfs/fscache.h
++++ b/fs/nfs/fscache.h
+@@ -186,7 +186,7 @@ static inline void nfs_fscache_wait_on_invalidate(struct 
inode *inode)
+  */
+ static inline const char *nfs_server_fscache_state(struct nfs_server *server)
+ {
+-      if (server->fscache && (server->options & NFS_OPTION_FSCACHE))
++      if (server->fscache)
+               return "yes";
+       return "no ";
+ }
+diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
+index 63287d911c08..5b61520dce88 100644
+--- a/fs/nfs/nfs4_fs.h
++++ b/fs/nfs/nfs4_fs.h
+@@ -469,7 +469,8 @@ static inline void nfs4_schedule_session_recovery(struct 
nfs4_session *session,
+ 
+ extern struct nfs4_state_owner *nfs4_get_state_owner(struct nfs_server *, 
struct rpc_cred *, gfp_t);
+ extern void nfs4_put_state_owner(struct nfs4_state_owner *);
+-extern void nfs4_purge_state_owners(struct nfs_server *);
++extern void nfs4_purge_state_owners(struct nfs_server *, struct list_head *);
++extern void nfs4_free_state_owners(struct list_head *head);
+ extern struct nfs4_state * nfs4_get_open_state(struct inode *, struct 
nfs4_state_owner *);
+ extern void nfs4_put_open_state(struct nfs4_state *);
+ extern void nfs4_close_state(struct nfs4_state *, fmode_t);
+diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
+index 8f53455c4765..86991bcfbeb1 100644
+--- a/fs/nfs/nfs4client.c
++++ b/fs/nfs/nfs4client.c
+@@ -754,9 +754,12 @@ out:
+ 
+ static void nfs4_destroy_server(struct nfs_server *server)
+ {
++      LIST_HEAD(freeme);
++
+       nfs_server_return_all_delegations(server);
+       unset_pnfs_layoutdriver(server);
+-      nfs4_purge_state_owners(server);
++      nfs4_purge_state_owners(server, &freeme);
++      nfs4_free_state_owners(&freeme);
+ }
+ 
+ /*
+diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
+index 3ba2087469ac..c36ef75f2054 100644
+--- a/fs/nfs/nfs4state.c
++++ b/fs/nfs/nfs4state.c
+@@ -628,24 +628,39 @@ void nfs4_put_state_owner(struct nfs4_state_owner *sp)
+ /**
+  * nfs4_purge_state_owners - Release all cached state owners
+  * @server: nfs_server with cached state owners to release
++ * @head: resulting list of state owners
+  *
+  * Called at umount time.  Remaining state owners will be on
+  * the LRU with ref count of zero.
++ * Note that the state owners are not freed, but are added
++ * to the list @head, which can later be used as an argument
++ * to nfs4_free_state_owners.
+  */
+-void nfs4_purge_state_owners(struct nfs_server *server)
++void nfs4_purge_state_owners(struct nfs_server *server, struct list_head 
*head)
+ {
+       struct nfs_client *clp = server->nfs_client;
+       struct nfs4_state_owner *sp, *tmp;
+-      LIST_HEAD(doomed);
+ 
+       spin_lock(&clp->cl_lock);
+       list_for_each_entry_safe(sp, tmp, &server->state_owners_lru, so_lru) {
+-              list_move(&sp->so_lru, &doomed);
++              list_move(&sp->so_lru, head);
+               nfs4_remove_state_owner_locked(sp);
+       }
+       spin_unlock(&clp->cl_lock);
++}
+ 
+-      list_for_each_entry_safe(sp, tmp, &doomed, so_lru) {
++/**
++ * nfs4_purge_state_owners - Release all cached state owners
++ * @head: resulting list of state owners
++ *
++ * Frees a list of state owners that was generated by
++ * nfs4_purge_state_owners
++ */
++void nfs4_free_state_owners(struct list_head *head)
++{
++      struct nfs4_state_owner *sp, *tmp;
++
++      list_for_each_entry_safe(sp, tmp, head, so_lru) {
+               list_del(&sp->so_lru);
+               nfs4_free_state_owner(sp);
+       }
+@@ -1843,12 +1858,13 @@ static int nfs4_do_reclaim(struct nfs_client *clp, 
const struct nfs4_state_recov
+       struct nfs4_state_owner *sp;
+       struct nfs_server *server;
+       struct rb_node *pos;
++      LIST_HEAD(freeme);
+       int status = 0;
+ 
+ restart:
+       rcu_read_lock();
+       list_for_each_entry_rcu(server, &clp->cl_superblocks, client_link) {
+-              nfs4_purge_state_owners(server);
++              nfs4_purge_state_owners(server, &freeme);
+               spin_lock(&clp->cl_lock);
+               for (pos = rb_first(&server->state_owners);
+                    pos != NULL;
+@@ -1877,6 +1893,7 @@ restart:
+               spin_unlock(&clp->cl_lock);
+       }
+       rcu_read_unlock();
++      nfs4_free_state_owners(&freeme);
+       return 0;
+ }
+ 
+diff --git a/fs/nfs/super.c b/fs/nfs/super.c
+index 6df9b85caf20..d90efdea9fbd 100644
+--- a/fs/nfs/super.c
++++ b/fs/nfs/super.c
+@@ -2239,6 +2239,7 @@ nfs_compare_remount_data(struct nfs_server *nfss,
+           data->acdirmin != nfss->acdirmin / HZ ||
+           data->acdirmax != nfss->acdirmax / HZ ||
+           data->timeo != (10U * nfss->client->cl_timeout->to_initval / HZ) ||
++          (data->options & NFS_OPTION_FSCACHE) != (nfss->options & 
NFS_OPTION_FSCACHE) ||
+           data->nfs_server.port != nfss->port ||
+           data->nfs_server.addrlen != nfss->nfs_client->cl_addrlen ||
+           !rpc_cmp_addr((struct sockaddr *)&data->nfs_server.address,
+diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
+index e1ebdbe40032..9c2955f67f70 100644
+--- a/fs/userfaultfd.c
++++ b/fs/userfaultfd.c
+@@ -881,6 +881,7 @@ static int userfaultfd_release(struct inode *inode, struct 
file *file)
+       /* len == 0 means wake all */
+       struct userfaultfd_wake_range range = { .len = 0, };
+       unsigned long new_flags;
++      bool still_valid;
+ 
+       WRITE_ONCE(ctx->released, true);
+ 
+@@ -896,8 +897,7 @@ static int userfaultfd_release(struct inode *inode, struct 
file *file)
+        * taking the mmap_sem for writing.
+        */
+       down_write(&mm->mmap_sem);
+-      if (!mmget_still_valid(mm))
+-              goto skip_mm;
++      still_valid = mmget_still_valid(mm);
+       prev = NULL;
+       for (vma = mm->mmap; vma; vma = vma->vm_next) {
+               cond_resched();
+@@ -908,19 +908,20 @@ static int userfaultfd_release(struct inode *inode, 
struct file *file)
+                       continue;
+               }
+               new_flags = vma->vm_flags & ~(VM_UFFD_MISSING | VM_UFFD_WP);
+-              prev = vma_merge(mm, prev, vma->vm_start, vma->vm_end,
+-                               new_flags, vma->anon_vma,
+-                               vma->vm_file, vma->vm_pgoff,
+-                               vma_policy(vma),
+-                               NULL_VM_UFFD_CTX);
+-              if (prev)
+-                      vma = prev;
+-              else
+-                      prev = vma;
++              if (still_valid) {
++                      prev = vma_merge(mm, prev, vma->vm_start, vma->vm_end,
++                                       new_flags, vma->anon_vma,
++                                       vma->vm_file, vma->vm_pgoff,
++                                       vma_policy(vma),
++                                       NULL_VM_UFFD_CTX);
++                      if (prev)
++                              vma = prev;
++                      else
++                              prev = vma;
++              }
+               vma->vm_flags = new_flags;
+               vma->vm_userfaultfd_ctx = NULL_VM_UFFD_CTX;
+       }
+-skip_mm:
+       up_write(&mm->mmap_sem);
+       mmput(mm);
+ wakeup:
+diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c
+index c6299f82a6e4..6410d3e00ce0 100644
+--- a/fs/xfs/libxfs/xfs_attr.c
++++ b/fs/xfs/libxfs/xfs_attr.c
+@@ -191,6 +191,121 @@ xfs_attr_calc_size(
+       return nblks;
+ }
+ 
++STATIC int
++xfs_attr_try_sf_addname(
++      struct xfs_inode        *dp,
++      struct xfs_da_args      *args)
++{
++
++      struct xfs_mount        *mp = dp->i_mount;
++      int                     error, error2;
++
++      error = xfs_attr_shortform_addname(args);
++      if (error == -ENOSPC)
++              return error;
++
++      /*
++       * Commit the shortform mods, and we're done.
++       * NOTE: this is also the error path (EEXIST, etc).
++       */
++      if (!error && (args->flags & ATTR_KERNOTIME) == 0)
++              xfs_trans_ichgtime(args->trans, dp, XFS_ICHGTIME_CHG);
++
++      if (mp->m_flags & XFS_MOUNT_WSYNC)
++              xfs_trans_set_sync(args->trans);
++
++      error2 = xfs_trans_commit(args->trans);
++      args->trans = NULL;
++      return error ? error : error2;
++}
++
++/*
++ * Set the attribute specified in @args.
++ */
++int
++xfs_attr_set_args(
++      struct xfs_da_args      *args)
++{
++      struct xfs_inode        *dp = args->dp;
++      struct xfs_buf          *leaf_bp = NULL;
++      int                     error;
++
++      /*
++       * If the attribute list is non-existent or a shortform list,
++       * upgrade it to a single-leaf-block attribute list.
++       */
++      if (dp->i_d.di_aformat == XFS_DINODE_FMT_LOCAL ||
++          (dp->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS &&
++           dp->i_d.di_anextents == 0)) {
++
++              /*
++               * Build initial attribute list (if required).
++               */
++              if (dp->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS)
++                      xfs_attr_shortform_create(args);
++
++              /*
++               * Try to add the attr to the attribute list in the inode.
++               */
++              error = xfs_attr_try_sf_addname(dp, args);
++              if (error != -ENOSPC)
++                      return error;
++
++              /*
++               * It won't fit in the shortform, transform to a leaf block.
++               * GROT: another possible req'mt for a double-split btree op.
++               */
++              error = xfs_attr_shortform_to_leaf(args, &leaf_bp);
++              if (error)
++                      return error;
++
++              /*
++               * Prevent the leaf buffer from being unlocked so that a
++               * concurrent AIL push cannot grab the half-baked leaf
++               * buffer and run into problems with the write verifier.
++               * Once we're done rolling the transaction we can release
++               * the hold and add the attr to the leaf.
++               */
++              xfs_trans_bhold(args->trans, leaf_bp);
++              error = xfs_defer_finish(&args->trans);
++              xfs_trans_bhold_release(args->trans, leaf_bp);
++              if (error) {
++                      xfs_trans_brelse(args->trans, leaf_bp);
++                      return error;
++              }
++      }
++
++      if (xfs_bmap_one_block(dp, XFS_ATTR_FORK))
++              error = xfs_attr_leaf_addname(args);
++      else
++              error = xfs_attr_node_addname(args);
++      return error;
++}
++
++/*
++ * Remove the attribute specified in @args.
++ */
++int
++xfs_attr_remove_args(
++      struct xfs_da_args      *args)
++{
++      struct xfs_inode        *dp = args->dp;
++      int                     error;
++
++      if (!xfs_inode_hasattr(dp)) {
++              error = -ENOATTR;
++      } else if (dp->i_d.di_aformat == XFS_DINODE_FMT_LOCAL) {
++              ASSERT(dp->i_afp->if_flags & XFS_IFINLINE);
++              error = xfs_attr_shortform_remove(args);
++      } else if (xfs_bmap_one_block(dp, XFS_ATTR_FORK)) {
++              error = xfs_attr_leaf_removename(args);
++      } else {
++              error = xfs_attr_node_removename(args);
++      }
++
++      return error;
++}
++
+ int
+ xfs_attr_set(
+       struct xfs_inode        *dp,
+@@ -200,11 +315,10 @@ xfs_attr_set(
+       int                     flags)
+ {
+       struct xfs_mount        *mp = dp->i_mount;
+-      struct xfs_buf          *leaf_bp = NULL;
+       struct xfs_da_args      args;
+       struct xfs_trans_res    tres;
+       int                     rsvd = (flags & ATTR_ROOT) != 0;
+-      int                     error, err2, local;
++      int                     error, local;
+ 
+       XFS_STATS_INC(mp, xs_attr_set);
+ 
+@@ -255,93 +369,17 @@ xfs_attr_set(
+       error = xfs_trans_reserve_quota_nblks(args.trans, dp, args.total, 0,
+                               rsvd ? XFS_QMOPT_RES_REGBLKS | 
XFS_QMOPT_FORCE_RES :
+                                      XFS_QMOPT_RES_REGBLKS);
+-      if (error) {
+-              xfs_iunlock(dp, XFS_ILOCK_EXCL);
+-              xfs_trans_cancel(args.trans);
+-              return error;
+-      }
++      if (error)
++              goto out_trans_cancel;
+ 
+       xfs_trans_ijoin(args.trans, dp, 0);
+-
+-      /*
+-       * If the attribute list is non-existent or a shortform list,
+-       * upgrade it to a single-leaf-block attribute list.
+-       */
+-      if (dp->i_d.di_aformat == XFS_DINODE_FMT_LOCAL ||
+-          (dp->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS &&
+-           dp->i_d.di_anextents == 0)) {
+-
+-              /*
+-               * Build initial attribute list (if required).
+-               */
+-              if (dp->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS)
+-                      xfs_attr_shortform_create(&args);
+-
+-              /*
+-               * Try to add the attr to the attribute list in
+-               * the inode.
+-               */
+-              error = xfs_attr_shortform_addname(&args);
+-              if (error != -ENOSPC) {
+-                      /*
+-                       * Commit the shortform mods, and we're done.
+-                       * NOTE: this is also the error path (EEXIST, etc).
+-                       */
+-                      ASSERT(args.trans != NULL);
+-
+-                      /*
+-                       * If this is a synchronous mount, make sure that
+-                       * the transaction goes to disk before returning
+-                       * to the user.
+-                       */
+-                      if (mp->m_flags & XFS_MOUNT_WSYNC)
+-                              xfs_trans_set_sync(args.trans);
+-
+-                      if (!error && (flags & ATTR_KERNOTIME) == 0) {
+-                              xfs_trans_ichgtime(args.trans, dp,
+-                                                      XFS_ICHGTIME_CHG);
+-                      }
+-                      err2 = xfs_trans_commit(args.trans);
+-                      xfs_iunlock(dp, XFS_ILOCK_EXCL);
+-
+-                      return error ? error : err2;
+-              }
+-
+-              /*
+-               * It won't fit in the shortform, transform to a leaf block.
+-               * GROT: another possible req'mt for a double-split btree op.
+-               */
+-              error = xfs_attr_shortform_to_leaf(&args, &leaf_bp);
+-              if (error)
+-                      goto out;
+-              /*
+-               * Prevent the leaf buffer from being unlocked so that a
+-               * concurrent AIL push cannot grab the half-baked leaf
+-               * buffer and run into problems with the write verifier.
+-               */
+-              xfs_trans_bhold(args.trans, leaf_bp);
+-              error = xfs_defer_finish(&args.trans);
+-              if (error)
+-                      goto out;
+-
+-              /*
+-               * Commit the leaf transformation.  We'll need another (linked)
+-               * transaction to add the new attribute to the leaf, which
+-               * means that we have to hold & join the leaf buffer here too.
+-               */
+-              error = xfs_trans_roll_inode(&args.trans, dp);
+-              if (error)
+-                      goto out;
+-              xfs_trans_bjoin(args.trans, leaf_bp);
+-              leaf_bp = NULL;
+-      }
+-
+-      if (xfs_bmap_one_block(dp, XFS_ATTR_FORK))
+-              error = xfs_attr_leaf_addname(&args);
+-      else
+-              error = xfs_attr_node_addname(&args);
++      error = xfs_attr_set_args(&args);
+       if (error)
+-              goto out;
++              goto out_trans_cancel;
++      if (!args.trans) {
++              /* shortform attribute has already been committed */
++              goto out_unlock;
++      }
+ 
+       /*
+        * If this is a synchronous mount, make sure that the
+@@ -358,17 +396,14 @@ xfs_attr_set(
+        */
+       xfs_trans_log_inode(args.trans, dp, XFS_ILOG_CORE);
+       error = xfs_trans_commit(args.trans);
++out_unlock:
+       xfs_iunlock(dp, XFS_ILOCK_EXCL);
+-
+       return error;
+ 
+-out:
+-      if (leaf_bp)
+-              xfs_trans_brelse(args.trans, leaf_bp);
++out_trans_cancel:
+       if (args.trans)
+               xfs_trans_cancel(args.trans);
+-      xfs_iunlock(dp, XFS_ILOCK_EXCL);
+-      return error;
++      goto out_unlock;
+ }
+ 
+ /*
+@@ -423,17 +458,7 @@ xfs_attr_remove(
+        */
+       xfs_trans_ijoin(args.trans, dp, 0);
+ 
+-      if (!xfs_inode_hasattr(dp)) {
+-              error = -ENOATTR;
+-      } else if (dp->i_d.di_aformat == XFS_DINODE_FMT_LOCAL) {
+-              ASSERT(dp->i_afp->if_flags & XFS_IFINLINE);
+-              error = xfs_attr_shortform_remove(&args);
+-      } else if (xfs_bmap_one_block(dp, XFS_ATTR_FORK)) {
+-              error = xfs_attr_leaf_removename(&args);
+-      } else {
+-              error = xfs_attr_node_removename(&args);
+-      }
+-
++      error = xfs_attr_remove_args(&args);
+       if (error)
+               goto out;
+ 
+diff --git a/fs/xfs/libxfs/xfs_attr.h b/fs/xfs/libxfs/xfs_attr.h
+new file mode 100644
+index 000000000000..cc04ee0aacfb
+--- /dev/null
++++ b/fs/xfs/libxfs/xfs_attr.h
+@@ -0,0 +1,150 @@
++// SPDX-License-Identifier: GPL-2.0
++/*
++ * Copyright (c) 2000,2002-2003,2005 Silicon Graphics, Inc.
++ * All Rights Reserved.
++ */
++#ifndef __XFS_ATTR_H__
++#define       __XFS_ATTR_H__
++
++struct xfs_inode;
++struct xfs_da_args;
++struct xfs_attr_list_context;
++
++/*
++ * Large attribute lists are structured around Btrees where all the data
++ * elements are in the leaf nodes.  Attribute names are hashed into an int,
++ * then that int is used as the index into the Btree.  Since the hashval
++ * of an attribute name may not be unique, we may have duplicate keys.
++ * The internal links in the Btree are logical block offsets into the file.
++ *
++ * Small attribute lists use a different format and are packed as tightly
++ * as possible so as to fit into the literal area of the inode.
++ */
++
++/*========================================================================
++ * External interfaces
++ *========================================================================*/
++
++
++#define ATTR_DONTFOLLOW       0x0001  /* -- unused, from IRIX -- */
++#define ATTR_ROOT     0x0002  /* use attrs in root (trusted) namespace */
++#define ATTR_TRUST    0x0004  /* -- unused, from IRIX -- */
++#define ATTR_SECURE   0x0008  /* use attrs in security namespace */
++#define ATTR_CREATE   0x0010  /* pure create: fail if attr already exists */
++#define ATTR_REPLACE  0x0020  /* pure set: fail if attr does not exist */
++
++#define ATTR_KERNOTIME        0x1000  /* [kernel] don't update inode 
timestamps */
++#define ATTR_KERNOVAL 0x2000  /* [kernel] get attr size only, not value */
++
++#define ATTR_INCOMPLETE       0x4000  /* [kernel] return INCOMPLETE attr keys 
*/
++
++#define XFS_ATTR_FLAGS \
++      { ATTR_DONTFOLLOW,      "DONTFOLLOW" }, \
++      { ATTR_ROOT,            "ROOT" }, \
++      { ATTR_TRUST,           "TRUST" }, \
++      { ATTR_SECURE,          "SECURE" }, \
++      { ATTR_CREATE,          "CREATE" }, \
++      { ATTR_REPLACE,         "REPLACE" }, \
++      { ATTR_KERNOTIME,       "KERNOTIME" }, \
++      { ATTR_KERNOVAL,        "KERNOVAL" }, \
++      { ATTR_INCOMPLETE,      "INCOMPLETE" }
++
++/*
++ * The maximum size (into the kernel or returned from the kernel) of an
++ * attribute value or the buffer used for an attr_list() call.  Larger
++ * sizes will result in an ERANGE return code.
++ */
++#define       ATTR_MAX_VALUELEN       (64*1024)       /* max length of a 
value */
++
++/*
++ * Define how lists of attribute names are returned to the user from
++ * the attr_list() call.  A large, 32bit aligned, buffer is passed in
++ * along with its size.  We put an array of offsets at the top that each
++ * reference an attrlist_ent_t and pack the attrlist_ent_t's at the bottom.
++ */
++typedef struct attrlist {
++      __s32   al_count;       /* number of entries in attrlist */
++      __s32   al_more;        /* T/F: more attrs (do call again) */
++      __s32   al_offset[1];   /* byte offsets of attrs [var-sized] */
++} attrlist_t;
++
++/*
++ * Show the interesting info about one attribute.  This is what the
++ * al_offset[i] entry points to.
++ */
++typedef struct attrlist_ent { /* data from attr_list() */
++      __u32   a_valuelen;     /* number bytes in value of attr */
++      char    a_name[1];      /* attr name (NULL terminated) */
++} attrlist_ent_t;
++
++/*
++ * Given a pointer to the (char*) buffer containing the attr_list() result,
++ * and an index, return a pointer to the indicated attribute in the buffer.
++ */
++#define       ATTR_ENTRY(buffer, index)               \
++      ((attrlist_ent_t *)                     \
++       &((char *)buffer)[ ((attrlist_t *)(buffer))->al_offset[index] ])
++
++/*
++ * Kernel-internal version of the attrlist cursor.
++ */
++typedef struct attrlist_cursor_kern {
++      __u32   hashval;        /* hash value of next entry to add */
++      __u32   blkno;          /* block containing entry (suggestion) */
++      __u32   offset;         /* offset in list of equal-hashvals */
++      __u16   pad1;           /* padding to match user-level */
++      __u8    pad2;           /* padding to match user-level */
++      __u8    initted;        /* T/F: cursor has been initialized */
++} attrlist_cursor_kern_t;
++
++
++/*========================================================================
++ * Structure used to pass context around among the routines.
++ *========================================================================*/
++
++
++/* void; state communicated via *context */
++typedef void (*put_listent_func_t)(struct xfs_attr_list_context *, int,
++                            unsigned char *, int, int);
++
++typedef struct xfs_attr_list_context {
++      struct xfs_trans                *tp;
++      struct xfs_inode                *dp;            /* inode */
++      struct attrlist_cursor_kern     *cursor;        /* position in list */
++      char                            *alist;         /* output buffer */
++      int                             seen_enough;    /* T/F: seen enough of 
list? */
++      ssize_t                         count;          /* num used entries */
++      int                             dupcnt;         /* count dup hashvals 
seen */
++      int                             bufsize;        /* total buffer size */
++      int                             firstu;         /* first used byte in 
buffer */
++      int                             flags;          /* from VOP call */
++      int                             resynch;        /* T/F: resynch with 
cursor */
++      put_listent_func_t              put_listent;    /* list output fmt 
function */
++      int                             index;          /* index into output 
buffer */
++} xfs_attr_list_context_t;
++
++
++/*========================================================================
++ * Function prototypes for the kernel.
++ *========================================================================*/
++
++/*
++ * Overall external interface routines.
++ */
++int xfs_attr_inactive(struct xfs_inode *dp);
++int xfs_attr_list_int_ilocked(struct xfs_attr_list_context *);
++int xfs_attr_list_int(struct xfs_attr_list_context *);
++int xfs_inode_hasattr(struct xfs_inode *ip);
++int xfs_attr_get_ilocked(struct xfs_inode *ip, struct xfs_da_args *args);
++int xfs_attr_get(struct xfs_inode *ip, const unsigned char *name,
++               unsigned char *value, int *valuelenp, int flags);
++int xfs_attr_set(struct xfs_inode *dp, const unsigned char *name,
++               unsigned char *value, int valuelen, int flags);
++int xfs_attr_set_args(struct xfs_da_args *args);
++int xfs_attr_remove(struct xfs_inode *dp, const unsigned char *name, int 
flags);
++int xfs_attr_remove_args(struct xfs_da_args *args);
++int xfs_attr_list(struct xfs_inode *dp, char *buffer, int bufsize,
++                int flags, struct attrlist_cursor_kern *cursor);
++
++
++#endif        /* __XFS_ATTR_H__ */
+diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
+index 3a496ffe6551..06a7da8dbda5 100644
+--- a/fs/xfs/libxfs/xfs_bmap.c
++++ b/fs/xfs/libxfs/xfs_bmap.c
+@@ -1019,6 +1019,34 @@ xfs_bmap_add_attrfork_local(
+       return -EFSCORRUPTED;
+ }
+ 
++/* Set an inode attr fork off based on the format */
++int
++xfs_bmap_set_attrforkoff(
++      struct xfs_inode        *ip,
++      int                     size,
++      int                     *version)
++{
++      switch (ip->i_d.di_format) {
++      case XFS_DINODE_FMT_DEV:
++              ip->i_d.di_forkoff = roundup(sizeof(xfs_dev_t), 8) >> 3;
++              break;
++      case XFS_DINODE_FMT_LOCAL:
++      case XFS_DINODE_FMT_EXTENTS:
++      case XFS_DINODE_FMT_BTREE:
++              ip->i_d.di_forkoff = xfs_attr_shortform_bytesfit(ip, size);
++              if (!ip->i_d.di_forkoff)
++                      ip->i_d.di_forkoff = xfs_default_attroffset(ip) >> 3;
++              else if ((ip->i_mount->m_flags & XFS_MOUNT_ATTR2) && version)
++                      *version = 2;
++              break;
++      default:
++              ASSERT(0);
++              return -EINVAL;
++      }
++
++      return 0;
++}
++
+ /*
+  * Convert inode from non-attributed to attributed.
+  * Must not be in a transaction, ip must not be locked.
+@@ -1070,26 +1098,9 @@ xfs_bmap_add_attrfork(
+ 
+       xfs_trans_ijoin(tp, ip, 0);
+       xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
+-
+-      switch (ip->i_d.di_format) {
+-      case XFS_DINODE_FMT_DEV:
+-              ip->i_d.di_forkoff = roundup(sizeof(xfs_dev_t), 8) >> 3;
+-              break;
+-      case XFS_DINODE_FMT_LOCAL:
+-      case XFS_DINODE_FMT_EXTENTS:
+-      case XFS_DINODE_FMT_BTREE:
+-              ip->i_d.di_forkoff = xfs_attr_shortform_bytesfit(ip, size);
+-              if (!ip->i_d.di_forkoff)
+-                      ip->i_d.di_forkoff = xfs_default_attroffset(ip) >> 3;
+-              else if (mp->m_flags & XFS_MOUNT_ATTR2)
+-                      version = 2;
+-              break;
+-      default:
+-              ASSERT(0);
+-              error = -EINVAL;
++      error = xfs_bmap_set_attrforkoff(ip, size, &version);
++      if (error)
+               goto trans_cancel;
+-      }
+-
+       ASSERT(ip->i_afp == NULL);
+       ip->i_afp = kmem_zone_zalloc(xfs_ifork_zone, KM_SLEEP);
+       ip->i_afp->if_flags = XFS_IFEXTENTS;
+@@ -1178,7 +1189,10 @@ xfs_iread_extents(
+        * Root level must use BMAP_BROOT_PTR_ADDR macro to get ptr out.
+        */
+       level = be16_to_cpu(block->bb_level);
+-      ASSERT(level > 0);
++      if (unlikely(level == 0)) {
++              XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, mp);
++              return -EFSCORRUPTED;
++      }
+       pp = XFS_BMAP_BROOT_PTR_ADDR(mp, block, 1, ifp->if_broot_bytes);
+       bno = be64_to_cpu(*pp);
+ 
+diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h
+index b6e9b639e731..488dc8860fd7 100644
+--- a/fs/xfs/libxfs/xfs_bmap.h
++++ b/fs/xfs/libxfs/xfs_bmap.h
+@@ -183,6 +183,7 @@ void       xfs_trim_extent(struct xfs_bmbt_irec *irec, 
xfs_fileoff_t bno,
+               xfs_filblks_t len);
+ void  xfs_trim_extent_eof(struct xfs_bmbt_irec *, struct xfs_inode *);
+ int   xfs_bmap_add_attrfork(struct xfs_inode *ip, int size, int rsvd);
++int   xfs_bmap_set_attrforkoff(struct xfs_inode *ip, int size, int *version);
+ void  xfs_bmap_local_to_extents_empty(struct xfs_inode *ip, int whichfork);
+ void  __xfs_bmap_add_free(struct xfs_trans *tp, xfs_fsblock_t bno,
+               xfs_filblks_t len, struct xfs_owner_info *oinfo,
+diff --git a/fs/xfs/libxfs/xfs_defer.c b/fs/xfs/libxfs/xfs_defer.c
+index e792b167150a..c52beee31836 100644
+--- a/fs/xfs/libxfs/xfs_defer.c
++++ b/fs/xfs/libxfs/xfs_defer.c
+@@ -266,13 +266,15 @@ xfs_defer_trans_roll(
+ 
+       trace_xfs_defer_trans_roll(tp, _RET_IP_);
+ 
+-      /* Roll the transaction. */
++      /*
++       * Roll the transaction.  Rolling always given a new transaction (even
++       * if committing the old one fails!) to hand back to the caller, so we
++       * join the held resources to the new transaction so that we always
++       * return with the held resources joined to @tpp, no matter what
++       * happened.
++       */
+       error = xfs_trans_roll(tpp);
+       tp = *tpp;
+-      if (error) {
+-              trace_xfs_defer_trans_roll_error(tp, error);
+-              return error;
+-      }
+ 
+       /* Rejoin the joined inodes. */
+       for (i = 0; i < ipcount; i++)
+@@ -284,6 +286,8 @@ xfs_defer_trans_roll(
+               xfs_trans_bhold(tp, bplist[i]);
+       }
+ 
++      if (error)
++              trace_xfs_defer_trans_roll_error(tp, error);
+       return error;
+ }
+ 
+diff --git a/fs/xfs/xfs_attr.h b/fs/xfs/xfs_attr.h
+deleted file mode 100644
+index 033ff8c478e2..000000000000
+--- a/fs/xfs/xfs_attr.h
++++ /dev/null
+@@ -1,148 +0,0 @@
+-// SPDX-License-Identifier: GPL-2.0
+-/*
+- * Copyright (c) 2000,2002-2003,2005 Silicon Graphics, Inc.
+- * All Rights Reserved.
+- */
+-#ifndef __XFS_ATTR_H__
+-#define       __XFS_ATTR_H__
+-
+-struct xfs_inode;
+-struct xfs_da_args;
+-struct xfs_attr_list_context;
+-
+-/*
+- * Large attribute lists are structured around Btrees where all the data
+- * elements are in the leaf nodes.  Attribute names are hashed into an int,
+- * then that int is used as the index into the Btree.  Since the hashval
+- * of an attribute name may not be unique, we may have duplicate keys.
+- * The internal links in the Btree are logical block offsets into the file.
+- *
+- * Small attribute lists use a different format and are packed as tightly
+- * as possible so as to fit into the literal area of the inode.
+- */
+-
+-/*========================================================================
+- * External interfaces
+- *========================================================================*/
+-
+-
+-#define ATTR_DONTFOLLOW       0x0001  /* -- unused, from IRIX -- */
+-#define ATTR_ROOT     0x0002  /* use attrs in root (trusted) namespace */
+-#define ATTR_TRUST    0x0004  /* -- unused, from IRIX -- */
+-#define ATTR_SECURE   0x0008  /* use attrs in security namespace */
+-#define ATTR_CREATE   0x0010  /* pure create: fail if attr already exists */
+-#define ATTR_REPLACE  0x0020  /* pure set: fail if attr does not exist */
+-
+-#define ATTR_KERNOTIME        0x1000  /* [kernel] don't update inode 
timestamps */
+-#define ATTR_KERNOVAL 0x2000  /* [kernel] get attr size only, not value */
+-
+-#define ATTR_INCOMPLETE       0x4000  /* [kernel] return INCOMPLETE attr keys 
*/
+-
+-#define XFS_ATTR_FLAGS \
+-      { ATTR_DONTFOLLOW,      "DONTFOLLOW" }, \
+-      { ATTR_ROOT,            "ROOT" }, \
+-      { ATTR_TRUST,           "TRUST" }, \
+-      { ATTR_SECURE,          "SECURE" }, \
+-      { ATTR_CREATE,          "CREATE" }, \
+-      { ATTR_REPLACE,         "REPLACE" }, \
+-      { ATTR_KERNOTIME,       "KERNOTIME" }, \
+-      { ATTR_KERNOVAL,        "KERNOVAL" }, \
+-      { ATTR_INCOMPLETE,      "INCOMPLETE" }
+-
+-/*
+- * The maximum size (into the kernel or returned from the kernel) of an
+- * attribute value or the buffer used for an attr_list() call.  Larger
+- * sizes will result in an ERANGE return code.
+- */
+-#define       ATTR_MAX_VALUELEN       (64*1024)       /* max length of a 
value */
+-
+-/*
+- * Define how lists of attribute names are returned to the user from
+- * the attr_list() call.  A large, 32bit aligned, buffer is passed in
+- * along with its size.  We put an array of offsets at the top that each
+- * reference an attrlist_ent_t and pack the attrlist_ent_t's at the bottom.
+- */
+-typedef struct attrlist {
+-      __s32   al_count;       /* number of entries in attrlist */
+-      __s32   al_more;        /* T/F: more attrs (do call again) */
+-      __s32   al_offset[1];   /* byte offsets of attrs [var-sized] */
+-} attrlist_t;
+-
+-/*
+- * Show the interesting info about one attribute.  This is what the
+- * al_offset[i] entry points to.
+- */
+-typedef struct attrlist_ent { /* data from attr_list() */
+-      __u32   a_valuelen;     /* number bytes in value of attr */
+-      char    a_name[1];      /* attr name (NULL terminated) */
+-} attrlist_ent_t;
+-
+-/*
+- * Given a pointer to the (char*) buffer containing the attr_list() result,
+- * and an index, return a pointer to the indicated attribute in the buffer.
+- */
+-#define       ATTR_ENTRY(buffer, index)               \
+-      ((attrlist_ent_t *)                     \
+-       &((char *)buffer)[ ((attrlist_t *)(buffer))->al_offset[index] ])
+-
+-/*
+- * Kernel-internal version of the attrlist cursor.
+- */
+-typedef struct attrlist_cursor_kern {
+-      __u32   hashval;        /* hash value of next entry to add */
+-      __u32   blkno;          /* block containing entry (suggestion) */
+-      __u32   offset;         /* offset in list of equal-hashvals */
+-      __u16   pad1;           /* padding to match user-level */
+-      __u8    pad2;           /* padding to match user-level */
+-      __u8    initted;        /* T/F: cursor has been initialized */
+-} attrlist_cursor_kern_t;
+-
+-
+-/*========================================================================
+- * Structure used to pass context around among the routines.
+- *========================================================================*/
+-
+-
+-/* void; state communicated via *context */
+-typedef void (*put_listent_func_t)(struct xfs_attr_list_context *, int,
+-                            unsigned char *, int, int);
+-
+-typedef struct xfs_attr_list_context {
+-      struct xfs_trans                *tp;
+-      struct xfs_inode                *dp;            /* inode */
+-      struct attrlist_cursor_kern     *cursor;        /* position in list */
+-      char                            *alist;         /* output buffer */
+-      int                             seen_enough;    /* T/F: seen enough of 
list? */
+-      ssize_t                         count;          /* num used entries */
+-      int                             dupcnt;         /* count dup hashvals 
seen */
+-      int                             bufsize;        /* total buffer size */
+-      int                             firstu;         /* first used byte in 
buffer */
+-      int                             flags;          /* from VOP call */
+-      int                             resynch;        /* T/F: resynch with 
cursor */
+-      put_listent_func_t              put_listent;    /* list output fmt 
function */
+-      int                             index;          /* index into output 
buffer */
+-} xfs_attr_list_context_t;
+-
+-
+-/*========================================================================
+- * Function prototypes for the kernel.
+- *========================================================================*/
+-
+-/*
+- * Overall external interface routines.
+- */
+-int xfs_attr_inactive(struct xfs_inode *dp);
+-int xfs_attr_list_int_ilocked(struct xfs_attr_list_context *);
+-int xfs_attr_list_int(struct xfs_attr_list_context *);
+-int xfs_inode_hasattr(struct xfs_inode *ip);
+-int xfs_attr_get_ilocked(struct xfs_inode *ip, struct xfs_da_args *args);
+-int xfs_attr_get(struct xfs_inode *ip, const unsigned char *name,
+-               unsigned char *value, int *valuelenp, int flags);
+-int xfs_attr_set(struct xfs_inode *dp, const unsigned char *name,
+-               unsigned char *value, int valuelen, int flags);
+-int xfs_attr_remove(struct xfs_inode *dp, const unsigned char *name, int 
flags);
+-int xfs_attr_list(struct xfs_inode *dp, char *buffer, int bufsize,
+-                int flags, struct attrlist_cursor_kern *cursor);
+-
+-
+-#endif        /* __XFS_ATTR_H__ */
+diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c
+index 87e6dd5326d5..a1af984e4913 100644
+--- a/fs/xfs/xfs_dquot.c
++++ b/fs/xfs/xfs_dquot.c
+@@ -277,7 +277,8 @@ xfs_dquot_set_prealloc_limits(struct xfs_dquot *dqp)
+ 
+ /*
+  * Ensure that the given in-core dquot has a buffer on disk backing it, and
+- * return the buffer. This is called when the bmapi finds a hole.
++ * return the buffer locked and held. This is called when the bmapi finds a
++ * hole.
+  */
+ STATIC int
+ xfs_dquot_disk_alloc(
+@@ -355,13 +356,14 @@ xfs_dquot_disk_alloc(
+        * If everything succeeds, the caller of this function is returned a
+        * buffer that is locked and held to the transaction.  The caller
+        * is responsible for unlocking any buffer passed back, either
+-       * manually or by committing the transaction.
++       * manually or by committing the transaction.  On error, the buffer is
++       * released and not passed back.
+        */
+       xfs_trans_bhold(tp, bp);
+       error = xfs_defer_finish(tpp);
+-      tp = *tpp;
+       if (error) {
+-              xfs_buf_relse(bp);
++              xfs_trans_bhold_release(*tpp, bp);
++              xfs_trans_brelse(*tpp, bp);
+               return error;
+       }
+       *bpp = bp;
+@@ -521,7 +523,6 @@ xfs_qm_dqread_alloc(
+       struct xfs_buf          **bpp)
+ {
+       struct xfs_trans        *tp;
+-      struct xfs_buf          *bp;
+       int                     error;
+ 
+       error = xfs_trans_alloc(mp, &M_RES(mp)->tr_qm_dqalloc,
+@@ -529,7 +530,7 @@ xfs_qm_dqread_alloc(
+       if (error)
+               goto err;
+ 
+-      error = xfs_dquot_disk_alloc(&tp, dqp, &bp);
++      error = xfs_dquot_disk_alloc(&tp, dqp, bpp);
+       if (error)
+               goto err_cancel;
+ 
+@@ -539,10 +540,10 @@ xfs_qm_dqread_alloc(
+                * Buffer was held to the transaction, so we have to unlock it
+                * manually here because we're not passing it back.
+                */
+-              xfs_buf_relse(bp);
++              xfs_buf_relse(*bpp);
++              *bpp = NULL;
+               goto err;
+       }
+-      *bpp = bp;
+       return 0;
+ 
+ err_cancel:
+diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
+index 74047bd0c1ae..e427ad097e2e 100644
+--- a/fs/xfs/xfs_iops.c
++++ b/fs/xfs/xfs_iops.c
+@@ -803,6 +803,7 @@ xfs_setattr_nonsize(
+ 
+ out_cancel:
+       xfs_trans_cancel(tp);
++      xfs_iunlock(ip, XFS_ILOCK_EXCL);
+ out_dqrele:
+       xfs_qm_dqrele(udqp);
+       xfs_qm_dqrele(gdqp);
+diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h
+index 147546e0c11b..815dcfa64743 100644
+--- a/include/trace/events/rxrpc.h
++++ b/include/trace/events/rxrpc.h
+@@ -500,10 +500,10 @@ rxrpc_tx_points;
+ #define E_(a, b)      { a, b }
+ 
+ TRACE_EVENT(rxrpc_local,
+-          TP_PROTO(struct rxrpc_local *local, enum rxrpc_local_trace op,
++          TP_PROTO(unsigned int local_debug_id, enum rxrpc_local_trace op,
+                    int usage, const void *where),
+ 
+-          TP_ARGS(local, op, usage, where),
++          TP_ARGS(local_debug_id, op, usage, where),
+ 
+           TP_STRUCT__entry(
+                   __field(unsigned int,       local           )
+@@ -513,7 +513,7 @@ TRACE_EVENT(rxrpc_local,
+                            ),
+ 
+           TP_fast_assign(
+-                  __entry->local = local->debug_id;
++                  __entry->local = local_debug_id;
+                   __entry->op = op;
+                   __entry->usage = usage;
+                   __entry->where = where;
+diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
+index 8e009cee6517..26814a14013c 100644
+--- a/kernel/irq/irqdesc.c
++++ b/kernel/irq/irqdesc.c
+@@ -294,6 +294,18 @@ static void irq_sysfs_add(int irq, struct irq_desc *desc)
+       }
+ }
+ 
++static void irq_sysfs_del(struct irq_desc *desc)
++{
++      /*
++       * If irq_sysfs_init() has not yet been invoked (early boot), then
++       * irq_kobj_base is NULL and the descriptor was never added.
++       * kobject_del() complains about a object with no parent, so make
++       * it conditional.
++       */
++      if (irq_kobj_base)
++              kobject_del(&desc->kobj);
++}
++
+ static int __init irq_sysfs_init(void)
+ {
+       struct irq_desc *desc;
+@@ -324,6 +336,7 @@ static struct kobj_type irq_kobj_type = {
+ };
+ 
+ static void irq_sysfs_add(int irq, struct irq_desc *desc) {}
++static void irq_sysfs_del(struct irq_desc *desc) {}
+ 
+ #endif /* CONFIG_SYSFS */
+ 
+@@ -437,7 +450,7 @@ static void free_desc(unsigned int irq)
+        * The sysfs entry must be serialized against a concurrent
+        * irq_sysfs_init() as well.
+        */
+-      kobject_del(&desc->kobj);
++      irq_sysfs_del(desc);
+       delete_irq_desc(irq);
+ 
+       /*
+diff --git a/mm/huge_memory.c b/mm/huge_memory.c
+index 6fad1864ba03..09ce8528bbdd 100644
+--- a/mm/huge_memory.c
++++ b/mm/huge_memory.c
+@@ -33,6 +33,7 @@
+ #include <linux/page_idle.h>
+ #include <linux/shmem_fs.h>
+ #include <linux/oom.h>
++#include <linux/page_owner.h>
+ 
+ #include <asm/tlb.h>
+ #include <asm/pgalloc.h>
+@@ -2477,6 +2478,9 @@ static void __split_huge_page(struct page *page, struct 
list_head *list,
+       }
+ 
+       ClearPageCompound(head);
++
++      split_page_owner(head, HPAGE_PMD_ORDER);
++
+       /* See comment in __split_huge_page_tail() */
+       if (PageAnon(head)) {
+               /* Additional pin to radix tree of swap cache */
+diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
+index 9da65552e7ca..c2c4f739da8f 100644
+--- a/mm/zsmalloc.c
++++ b/mm/zsmalloc.c
+@@ -53,6 +53,7 @@
+ #include <linux/zpool.h>
+ #include <linux/mount.h>
+ #include <linux/migrate.h>
++#include <linux/wait.h>
+ #include <linux/pagemap.h>
+ #include <linux/fs.h>
+ 
+@@ -267,6 +268,10 @@ struct zs_pool {
+ #ifdef CONFIG_COMPACTION
+       struct inode *inode;
+       struct work_struct free_work;
++      /* A wait queue for when migration races with async_free_zspage() */
++      struct wait_queue_head migration_wait;
++      atomic_long_t isolated_pages;
++      bool destroying;
+ #endif
+ };
+ 
+@@ -1882,6 +1887,31 @@ static void dec_zspage_isolation(struct zspage *zspage)
+       zspage->isolated--;
+ }
+ 
++static void putback_zspage_deferred(struct zs_pool *pool,
++                                  struct size_class *class,
++                                  struct zspage *zspage)
++{
++      enum fullness_group fg;
++
++      fg = putback_zspage(class, zspage);
++      if (fg == ZS_EMPTY)
++              schedule_work(&pool->free_work);
++
++}
++
++static inline void zs_pool_dec_isolated(struct zs_pool *pool)
++{
++      VM_BUG_ON(atomic_long_read(&pool->isolated_pages) <= 0);
++      atomic_long_dec(&pool->isolated_pages);
++      /*
++       * There's no possibility of racing, since wait_for_isolated_drain()
++       * checks the isolated count under &class->lock after enqueuing
++       * on migration_wait.
++       */
++      if (atomic_long_read(&pool->isolated_pages) == 0 && pool->destroying)
++              wake_up_all(&pool->migration_wait);
++}
++
+ static void replace_sub_page(struct size_class *class, struct zspage *zspage,
+                               struct page *newpage, struct page *oldpage)
+ {
+@@ -1951,6 +1981,7 @@ static bool zs_page_isolate(struct page *page, 
isolate_mode_t mode)
+        */
+       if (!list_empty(&zspage->list) && !is_zspage_isolated(zspage)) {
+               get_zspage_mapping(zspage, &class_idx, &fullness);
++              atomic_long_inc(&pool->isolated_pages);
+               remove_zspage(class, zspage, fullness);
+       }
+ 
+@@ -2050,8 +2081,16 @@ static int zs_page_migrate(struct address_space 
*mapping, struct page *newpage,
+        * Page migration is done so let's putback isolated zspage to
+        * the list if @page is final isolated subpage in the zspage.
+        */
+-      if (!is_zspage_isolated(zspage))
+-              putback_zspage(class, zspage);
++      if (!is_zspage_isolated(zspage)) {
++              /*
++               * We cannot race with zs_destroy_pool() here because we wait
++               * for isolation to hit zero before we start destroying.
++               * Also, we ensure that everyone can see pool->destroying before
++               * we start waiting.
++               */
++              putback_zspage_deferred(pool, class, zspage);
++              zs_pool_dec_isolated(pool);
++      }
+ 
+       reset_page(page);
+       put_page(page);
+@@ -2097,13 +2136,12 @@ static void zs_page_putback(struct page *page)
+       spin_lock(&class->lock);
+       dec_zspage_isolation(zspage);
+       if (!is_zspage_isolated(zspage)) {
+-              fg = putback_zspage(class, zspage);
+               /*
+                * Due to page_lock, we cannot free zspage immediately
+                * so let's defer.
+                */
+-              if (fg == ZS_EMPTY)
+-                      schedule_work(&pool->free_work);
++              putback_zspage_deferred(pool, class, zspage);
++              zs_pool_dec_isolated(pool);
+       }
+       spin_unlock(&class->lock);
+ }
+@@ -2127,8 +2165,36 @@ static int zs_register_migration(struct zs_pool *pool)
+       return 0;
+ }
+ 
++static bool pool_isolated_are_drained(struct zs_pool *pool)
++{
++      return atomic_long_read(&pool->isolated_pages) == 0;
++}
++
++/* Function for resolving migration */
++static void wait_for_isolated_drain(struct zs_pool *pool)
++{
++
++      /*
++       * We're in the process of destroying the pool, so there are no
++       * active allocations. zs_page_isolate() fails for completely free
++       * zspages, so we need only wait for the zs_pool's isolated
++       * count to hit zero.
++       */
++      wait_event(pool->migration_wait,
++                 pool_isolated_are_drained(pool));
++}
++
+ static void zs_unregister_migration(struct zs_pool *pool)
+ {
++      pool->destroying = true;
++      /*
++       * We need a memory barrier here to ensure global visibility of
++       * pool->destroying. Thus pool->isolated pages will either be 0 in which
++       * case we don't care, or it will be > 0 and pool->destroying will
++       * ensure that we wake up once isolation hits 0.
++       */
++      smp_mb();
++      wait_for_isolated_drain(pool); /* This can block */
+       flush_work(&pool->free_work);
+       iput(pool->inode);
+ }
+@@ -2366,6 +2432,8 @@ struct zs_pool *zs_create_pool(const char *name)
+       if (!pool->name)
+               goto err;
+ 
++      init_waitqueue_head(&pool->migration_wait);
++
+       if (create_cache(pool))
+               goto err;
+ 
+diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
+index 995b3842ba7c..62ffc989a44a 100644
+--- a/net/bridge/netfilter/ebtables.c
++++ b/net/bridge/netfilter/ebtables.c
+@@ -2274,8 +2274,10 @@ static int compat_do_replace(struct net *net, void 
__user *user,
+       state.buf_kern_len = size64;
+ 
+       ret = compat_copy_entries(entries_tmp, tmp.entries_size, &state);
+-      if (WARN_ON(ret < 0))
++      if (WARN_ON(ret < 0)) {
++              vfree(entries_tmp);
+               goto out_unlock;
++      }
+ 
+       vfree(entries_tmp);
+       tmp.entries_size = size64;
+diff --git a/net/can/gw.c b/net/can/gw.c
+index 53859346dc9a..bd2161470e45 100644
+--- a/net/can/gw.c
++++ b/net/can/gw.c
+@@ -1046,32 +1046,50 @@ static __init int cgw_module_init(void)
+       pr_info("can: netlink gateway (rev " CAN_GW_VERSION ") max_hops=%d\n",
+               max_hops);
+ 
+-      register_pernet_subsys(&cangw_pernet_ops);
++      ret = register_pernet_subsys(&cangw_pernet_ops);
++      if (ret)
++              return ret;
++
++      ret = -ENOMEM;
+       cgw_cache = kmem_cache_create("can_gw", sizeof(struct cgw_job),
+                                     0, 0, NULL);
+-
+       if (!cgw_cache)
+-              return -ENOMEM;
++              goto out_cache_create;
+ 
+       /* set notifier */
+       notifier.notifier_call = cgw_notifier;
+-      register_netdevice_notifier(&notifier);
++      ret = register_netdevice_notifier(&notifier);
++      if (ret)
++              goto out_register_notifier;
+ 
+       ret = rtnl_register_module(THIS_MODULE, PF_CAN, RTM_GETROUTE,
+                                  NULL, cgw_dump_jobs, 0);
+-      if (ret) {
+-              unregister_netdevice_notifier(&notifier);
+-              kmem_cache_destroy(cgw_cache);
+-              return -ENOBUFS;
+-      }
+-
+-      /* Only the first call to rtnl_register_module can fail */
+-      rtnl_register_module(THIS_MODULE, PF_CAN, RTM_NEWROUTE,
+-                           cgw_create_job, NULL, 0);
+-      rtnl_register_module(THIS_MODULE, PF_CAN, RTM_DELROUTE,
+-                           cgw_remove_job, NULL, 0);
++      if (ret)
++              goto out_rtnl_register1;
++
++      ret = rtnl_register_module(THIS_MODULE, PF_CAN, RTM_NEWROUTE,
++                                 cgw_create_job, NULL, 0);
++      if (ret)
++              goto out_rtnl_register2;
++      ret = rtnl_register_module(THIS_MODULE, PF_CAN, RTM_DELROUTE,
++                                 cgw_remove_job, NULL, 0);
++      if (ret)
++              goto out_rtnl_register3;
+ 
+       return 0;
++
++out_rtnl_register3:
++      rtnl_unregister(PF_CAN, RTM_NEWROUTE);
++out_rtnl_register2:
++      rtnl_unregister(PF_CAN, RTM_GETROUTE);
++out_rtnl_register1:
++      unregister_netdevice_notifier(&notifier);
++out_register_notifier:
++      kmem_cache_destroy(cgw_cache);
++out_cache_create:
++      unregister_pernet_subsys(&cangw_pernet_ops);
++
++      return ret;
+ }
+ 
+ static __exit void cgw_module_exit(void)
+diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
+index 60934bd8796c..76c41a84550e 100644
+--- a/net/ceph/osd_client.c
++++ b/net/ceph/osd_client.c
+@@ -1423,7 +1423,7 @@ static enum calc_target_result calc_target(struct 
ceph_osd_client *osdc,
+       struct ceph_osds up, acting;
+       bool force_resend = false;
+       bool unpaused = false;
+-      bool legacy_change;
++      bool legacy_change = false;
+       bool split = false;
+       bool sort_bitwise = ceph_osdmap_flag(osdc, CEPH_OSDMAP_SORTBITWISE);
+       bool recovery_deletes = ceph_osdmap_flag(osdc,
+@@ -1511,15 +1511,14 @@ static enum calc_target_result calc_target(struct 
ceph_osd_client *osdc,
+               t->osd = acting.primary;
+       }
+ 
+-      if (unpaused || legacy_change || force_resend ||
+-          (split && con && CEPH_HAVE_FEATURE(con->peer_features,
+-                                             RESEND_ON_SPLIT)))
++      if (unpaused || legacy_change || force_resend || split)
+               ct_res = CALC_TARGET_NEED_RESEND;
+       else
+               ct_res = CALC_TARGET_NO_ACTION;
+ 
+ out:
+-      dout("%s t %p -> ct_res %d osd %d\n", __func__, t, ct_res, t->osd);
++      dout("%s t %p -> %d%d%d%d ct_res %d osd%d\n", __func__, t, unpaused,
++           legacy_change, force_resend, split, ct_res, t->osd);
+       return ct_res;
+ }
+ 
+diff --git a/net/netfilter/ipset/ip_set_bitmap_ipmac.c 
b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
+index 13ade5782847..4f01321e793c 100644
+--- a/net/netfilter/ipset/ip_set_bitmap_ipmac.c
++++ b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
+@@ -230,7 +230,7 @@ bitmap_ipmac_kadt(struct ip_set *set, const struct sk_buff 
*skb,
+ 
+       e.id = ip_to_id(map, ip);
+ 
+-      if (opt->flags & IPSET_DIM_ONE_SRC)
++      if (opt->flags & IPSET_DIM_TWO_SRC)
+               ether_addr_copy(e.ether, eth_hdr(skb)->h_source);
+       else
+               ether_addr_copy(e.ether, eth_hdr(skb)->h_dest);
+diff --git a/net/netfilter/ipset/ip_set_core.c 
b/net/netfilter/ipset/ip_set_core.c
+index 1577f2f76060..e2538c578671 100644
+--- a/net/netfilter/ipset/ip_set_core.c
++++ b/net/netfilter/ipset/ip_set_core.c
+@@ -1157,7 +1157,7 @@ static int ip_set_rename(struct net *net, struct sock 
*ctnl,
+               return -ENOENT;
+ 
+       write_lock_bh(&ip_set_ref_lock);
+-      if (set->ref != 0) {
++      if (set->ref != 0 || set->ref_netlink != 0) {
+               ret = -IPSET_ERR_REFERENCED;
+               goto out;
+       }
+diff --git a/net/netfilter/ipset/ip_set_hash_ipmac.c 
b/net/netfilter/ipset/ip_set_hash_ipmac.c
+index fd87de3ed55b..16ec822e4044 100644
+--- a/net/netfilter/ipset/ip_set_hash_ipmac.c
++++ b/net/netfilter/ipset/ip_set_hash_ipmac.c
+@@ -95,15 +95,11 @@ hash_ipmac4_kadt(struct ip_set *set, const struct sk_buff 
*skb,
+       struct hash_ipmac4_elem e = { .ip = 0, { .foo[0] = 0, .foo[1] = 0 } };
+       struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
+ 
+-       /* MAC can be src only */
+-      if (!(opt->flags & IPSET_DIM_TWO_SRC))
+-              return 0;
+-
+       if (skb_mac_header(skb) < skb->head ||
+           (skb_mac_header(skb) + ETH_HLEN) > skb->data)
+               return -EINVAL;
+ 
+-      if (opt->flags & IPSET_DIM_ONE_SRC)
++      if (opt->flags & IPSET_DIM_TWO_SRC)
+               ether_addr_copy(e.ether, eth_hdr(skb)->h_source);
+       else
+               ether_addr_copy(e.ether, eth_hdr(skb)->h_dest);
+diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
+index d76e5e58905d..7319d3ca30e9 100644
+--- a/net/rxrpc/af_rxrpc.c
++++ b/net/rxrpc/af_rxrpc.c
+@@ -195,7 +195,7 @@ static int rxrpc_bind(struct socket *sock, struct sockaddr 
*saddr, int len)
+ 
+ service_in_use:
+       write_unlock(&local->services_lock);
+-      rxrpc_put_local(local);
++      rxrpc_unuse_local(local);
+       ret = -EADDRINUSE;
+ error_unlock:
+       release_sock(&rx->sk);
+@@ -908,7 +908,7 @@ static int rxrpc_release_sock(struct sock *sk)
+       rxrpc_queue_work(&rxnet->service_conn_reaper);
+       rxrpc_queue_work(&rxnet->client_conn_reaper);
+ 
+-      rxrpc_put_local(rx->local);
++      rxrpc_unuse_local(rx->local);
+       rx->local = NULL;
+       key_put(rx->key);
+       rx->key = NULL;
+diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
+index 03e0fc8c183f..dfd9eab77cc8 100644
+--- a/net/rxrpc/ar-internal.h
++++ b/net/rxrpc/ar-internal.h
+@@ -258,7 +258,8 @@ struct rxrpc_security {
+  */
+ struct rxrpc_local {
+       struct rcu_head         rcu;
+-      atomic_t                usage;
++      atomic_t                active_users;   /* Number of users of the local 
endpoint */
++      atomic_t                usage;          /* Number of references to the 
structure */
+       struct rxrpc_net        *rxnet;         /* The network ns in which this 
resides */
+       struct list_head        link;
+       struct socket           *socket;        /* my UDP socket */
+@@ -998,6 +999,8 @@ struct rxrpc_local *rxrpc_lookup_local(struct net *, const 
struct sockaddr_rxrpc
+ struct rxrpc_local *rxrpc_get_local(struct rxrpc_local *);
+ struct rxrpc_local *rxrpc_get_local_maybe(struct rxrpc_local *);
+ void rxrpc_put_local(struct rxrpc_local *);
++struct rxrpc_local *rxrpc_use_local(struct rxrpc_local *);
++void rxrpc_unuse_local(struct rxrpc_local *);
+ void rxrpc_queue_local(struct rxrpc_local *);
+ void rxrpc_destroy_all_locals(struct rxrpc_net *);
+ 
+@@ -1057,6 +1060,7 @@ void rxrpc_destroy_all_peers(struct rxrpc_net *);
+ struct rxrpc_peer *rxrpc_get_peer(struct rxrpc_peer *);
+ struct rxrpc_peer *rxrpc_get_peer_maybe(struct rxrpc_peer *);
+ void rxrpc_put_peer(struct rxrpc_peer *);
++void rxrpc_put_peer_locked(struct rxrpc_peer *);
+ 
+ /*
+  * proc.c
+diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c
+index d591f54cb91f..7965600ee5de 100644
+--- a/net/rxrpc/input.c
++++ b/net/rxrpc/input.c
+@@ -1106,8 +1106,12 @@ static void rxrpc_post_packet_to_local(struct 
rxrpc_local *local,
+ {
+       _enter("%p,%p", local, skb);
+ 
+-      skb_queue_tail(&local->event_queue, skb);
+-      rxrpc_queue_local(local);
++      if (rxrpc_get_local_maybe(local)) {
++              skb_queue_tail(&local->event_queue, skb);
++              rxrpc_queue_local(local);
++      } else {
++              rxrpc_free_skb(skb, rxrpc_skb_rx_freed);
++      }
+ }
+ 
+ /*
+@@ -1117,8 +1121,12 @@ static void rxrpc_reject_packet(struct rxrpc_local 
*local, struct sk_buff *skb)
+ {
+       CHECK_SLAB_OKAY(&local->usage);
+ 
+-      skb_queue_tail(&local->reject_queue, skb);
+-      rxrpc_queue_local(local);
++      if (rxrpc_get_local_maybe(local)) {
++              skb_queue_tail(&local->reject_queue, skb);
++              rxrpc_queue_local(local);
++      } else {
++              rxrpc_free_skb(skb, rxrpc_skb_rx_freed);
++      }
+ }
+ 
+ /*
+diff --git a/net/rxrpc/local_object.c b/net/rxrpc/local_object.c
+index 10317dbdab5f..c752ad487067 100644
+--- a/net/rxrpc/local_object.c
++++ b/net/rxrpc/local_object.c
+@@ -83,6 +83,7 @@ static struct rxrpc_local *rxrpc_alloc_local(struct 
rxrpc_net *rxnet,
+       local = kzalloc(sizeof(struct rxrpc_local), GFP_KERNEL);
+       if (local) {
+               atomic_set(&local->usage, 1);
++              atomic_set(&local->active_users, 1);
+               local->rxnet = rxnet;
+               INIT_LIST_HEAD(&local->link);
+               INIT_WORK(&local->processor, rxrpc_local_processor);
+@@ -96,7 +97,7 @@ static struct rxrpc_local *rxrpc_alloc_local(struct 
rxrpc_net *rxnet,
+               local->debug_id = atomic_inc_return(&rxrpc_debug_id);
+               memcpy(&local->srx, srx, sizeof(*srx));
+               local->srx.srx_service = 0;
+-              trace_rxrpc_local(local, rxrpc_local_new, 1, NULL);
++              trace_rxrpc_local(local->debug_id, rxrpc_local_new, 1, NULL);
+       }
+ 
+       _leave(" = %p", local);
+@@ -270,11 +271,8 @@ struct rxrpc_local *rxrpc_lookup_local(struct net *net,
+                * bind the transport socket may still fail if we're attempting
+                * to use a local address that the dying object is still using.
+                */
+-              if (!rxrpc_get_local_maybe(local)) {
+-                      cursor = cursor->next;
+-                      list_del_init(&local->link);
++              if (!rxrpc_use_local(local))
+                       break;
+-              }
+ 
+               age = "old";
+               goto found;
+@@ -288,7 +286,10 @@ struct rxrpc_local *rxrpc_lookup_local(struct net *net,
+       if (ret < 0)
+               goto sock_error;
+ 
+-      list_add_tail(&local->link, cursor);
++      if (cursor != &rxnet->local_endpoints)
++              list_replace_init(cursor, &local->link);
++      else
++              list_add_tail(&local->link, cursor);
+       age = "new";
+ 
+ found:
+@@ -324,7 +325,7 @@ struct rxrpc_local *rxrpc_get_local(struct rxrpc_local 
*local)
+       int n;
+ 
+       n = atomic_inc_return(&local->usage);
+-      trace_rxrpc_local(local, rxrpc_local_got, n, here);
++      trace_rxrpc_local(local->debug_id, rxrpc_local_got, n, here);
+       return local;
+ }
+ 
+@@ -338,7 +339,8 @@ struct rxrpc_local *rxrpc_get_local_maybe(struct 
rxrpc_local *local)
+       if (local) {
+               int n = atomic_fetch_add_unless(&local->usage, 1, 0);
+               if (n > 0)
+-                      trace_rxrpc_local(local, rxrpc_local_got, n + 1, here);
++                      trace_rxrpc_local(local->debug_id, rxrpc_local_got,
++                                        n + 1, here);
+               else
+                       local = NULL;
+       }
+@@ -346,24 +348,18 @@ struct rxrpc_local *rxrpc_get_local_maybe(struct 
rxrpc_local *local)
+ }
+ 
+ /*
+- * Queue a local endpoint.
++ * Queue a local endpoint and pass the caller's reference to the work item.
+  */
+ void rxrpc_queue_local(struct rxrpc_local *local)
+ {
+       const void *here = __builtin_return_address(0);
++      unsigned int debug_id = local->debug_id;
++      int n = atomic_read(&local->usage);
+ 
+       if (rxrpc_queue_work(&local->processor))
+-              trace_rxrpc_local(local, rxrpc_local_queued,
+-                                atomic_read(&local->usage), here);
+-}
+-
+-/*
+- * A local endpoint reached its end of life.
+- */
+-static void __rxrpc_put_local(struct rxrpc_local *local)
+-{
+-      _enter("%d", local->debug_id);
+-      rxrpc_queue_work(&local->processor);
++              trace_rxrpc_local(debug_id, rxrpc_local_queued, n, here);
++      else
++              rxrpc_put_local(local);
+ }
+ 
+ /*
+@@ -376,10 +372,47 @@ void rxrpc_put_local(struct rxrpc_local *local)
+ 
+       if (local) {
+               n = atomic_dec_return(&local->usage);
+-              trace_rxrpc_local(local, rxrpc_local_put, n, here);
++              trace_rxrpc_local(local->debug_id, rxrpc_local_put, n, here);
+ 
+               if (n == 0)
+-                      __rxrpc_put_local(local);
++                      call_rcu(&local->rcu, rxrpc_local_rcu);
++      }
++}
++
++/*
++ * Start using a local endpoint.
++ */
++struct rxrpc_local *rxrpc_use_local(struct rxrpc_local *local)
++{
++      unsigned int au;
++
++      local = rxrpc_get_local_maybe(local);
++      if (!local)
++              return NULL;
++
++      au = atomic_fetch_add_unless(&local->active_users, 1, 0);
++      if (au == 0) {
++              rxrpc_put_local(local);
++              return NULL;
++      }
++
++      return local;
++}
++
++/*
++ * Cease using a local endpoint.  Once the number of active users reaches 0, 
we
++ * start the closure of the transport in the work processor.
++ */
++void rxrpc_unuse_local(struct rxrpc_local *local)
++{
++      unsigned int au;
++
++      if (local) {
++              au = atomic_dec_return(&local->active_users);
++              if (au == 0)
++                      rxrpc_queue_local(local);
++              else
++                      rxrpc_put_local(local);
+       }
+ }
+ 
+@@ -397,16 +430,6 @@ static void rxrpc_local_destroyer(struct rxrpc_local 
*local)
+ 
+       _enter("%d", local->debug_id);
+ 
+-      /* We can get a race between an incoming call packet queueing the
+-       * processor again and the work processor starting the destruction
+-       * process which will shut down the UDP socket.
+-       */
+-      if (local->dead) {
+-              _leave(" [already dead]");
+-              return;
+-      }
+-      local->dead = true;
+-
+       mutex_lock(&rxnet->local_mutex);
+       list_del_init(&local->link);
+       mutex_unlock(&rxnet->local_mutex);
+@@ -426,13 +449,11 @@ static void rxrpc_local_destroyer(struct rxrpc_local 
*local)
+        */
+       rxrpc_purge_queue(&local->reject_queue);
+       rxrpc_purge_queue(&local->event_queue);
+-
+-      _debug("rcu local %d", local->debug_id);
+-      call_rcu(&local->rcu, rxrpc_local_rcu);
+ }
+ 
+ /*
+- * Process events on an endpoint
++ * Process events on an endpoint.  The work item carries a ref which
++ * we must release.
+  */
+ static void rxrpc_local_processor(struct work_struct *work)
+ {
+@@ -440,13 +461,15 @@ static void rxrpc_local_processor(struct work_struct 
*work)
+               container_of(work, struct rxrpc_local, processor);
+       bool again;
+ 
+-      trace_rxrpc_local(local, rxrpc_local_processing,
++      trace_rxrpc_local(local->debug_id, rxrpc_local_processing,
+                         atomic_read(&local->usage), NULL);
+ 
+       do {
+               again = false;
+-              if (atomic_read(&local->usage) == 0)
+-                      return rxrpc_local_destroyer(local);
++              if (atomic_read(&local->active_users) == 0) {
++                      rxrpc_local_destroyer(local);
++                      break;
++              }
+ 
+               if (!skb_queue_empty(&local->reject_queue)) {
+                       rxrpc_reject_packets(local);
+@@ -458,6 +481,8 @@ static void rxrpc_local_processor(struct work_struct *work)
+                       again = true;
+               }
+       } while (again);
++
++      rxrpc_put_local(local);
+ }
+ 
+ /*
+diff --git a/net/rxrpc/peer_event.c b/net/rxrpc/peer_event.c
+index bd2fa3b7caa7..dc7fdaf20445 100644
+--- a/net/rxrpc/peer_event.c
++++ b/net/rxrpc/peer_event.c
+@@ -375,7 +375,7 @@ static void rxrpc_peer_keepalive_dispatch(struct rxrpc_net 
*rxnet,
+               spin_lock_bh(&rxnet->peer_hash_lock);
+               list_add_tail(&peer->keepalive_link,
+                             &rxnet->peer_keepalive[slot & mask]);
+-              rxrpc_put_peer(peer);
++              rxrpc_put_peer_locked(peer);
+       }
+ 
+       spin_unlock_bh(&rxnet->peer_hash_lock);
+diff --git a/net/rxrpc/peer_object.c b/net/rxrpc/peer_object.c
+index 5691b7d266ca..71547e8673b9 100644
+--- a/net/rxrpc/peer_object.c
++++ b/net/rxrpc/peer_object.c
+@@ -440,6 +440,24 @@ void rxrpc_put_peer(struct rxrpc_peer *peer)
+       }
+ }
+ 
++/*
++ * Drop a ref on a peer record where the caller already holds the
++ * peer_hash_lock.
++ */
++void rxrpc_put_peer_locked(struct rxrpc_peer *peer)
++{
++      const void *here = __builtin_return_address(0);
++      int n;
++
++      n = atomic_dec_return(&peer->usage);
++      trace_rxrpc_peer(peer, rxrpc_peer_put, n, here);
++      if (n == 0) {
++              hash_del_rcu(&peer->hash_link);
++              list_del_init(&peer->keepalive_link);
++              kfree_rcu(peer, rcu);
++      }
++}
++
+ /*
+  * Make sure all peer records have been discarded.
+  */
+diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c
+index be01f9c5d963..5d6ab4f6fd7a 100644
+--- a/net/rxrpc/sendmsg.c
++++ b/net/rxrpc/sendmsg.c
+@@ -230,6 +230,7 @@ static void rxrpc_queue_packet(struct rxrpc_sock *rx, 
struct rxrpc_call *call,
+                       rxrpc_set_call_completion(call,
+                                                 RXRPC_CALL_LOCAL_ERROR,
+                                                 0, ret);
++                      rxrpc_notify_socket(call);
+                       goto out;
+               }
+               _debug("need instant resend %d", ret);
+diff --git a/sound/soc/davinci/davinci-mcasp.c 
b/sound/soc/davinci/davinci-mcasp.c
+index 160b2764b2ad..6a8c279a4b20 100644
+--- a/sound/soc/davinci/davinci-mcasp.c
++++ b/sound/soc/davinci/davinci-mcasp.c
+@@ -1150,6 +1150,28 @@ static int davinci_mcasp_trigger(struct 
snd_pcm_substream *substream,
+       return ret;
+ }
+ 
++static int davinci_mcasp_hw_rule_slot_width(struct snd_pcm_hw_params *params,
++                                          struct snd_pcm_hw_rule *rule)
++{
++      struct davinci_mcasp_ruledata *rd = rule->private;
++      struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
++      struct snd_mask nfmt;
++      int i, slot_width;
++
++      snd_mask_none(&nfmt);
++      slot_width = rd->mcasp->slot_width;
++
++      for (i = 0; i <= SNDRV_PCM_FORMAT_LAST; i++) {
++              if (snd_mask_test(fmt, i)) {
++                      if (snd_pcm_format_width(i) <= slot_width) {
++                              snd_mask_set(&nfmt, i);
++                      }
++              }
++      }
++
++      return snd_mask_refine(fmt, &nfmt);
++}
++
+ static const unsigned int davinci_mcasp_dai_rates[] = {
+       8000, 11025, 16000, 22050, 32000, 44100, 48000, 64000,
+       88200, 96000, 176400, 192000,
+@@ -1257,7 +1279,7 @@ static int davinci_mcasp_startup(struct 
snd_pcm_substream *substream,
+       struct davinci_mcasp_ruledata *ruledata =
+                                       &mcasp->ruledata[substream->stream];
+       u32 max_channels = 0;
+-      int i, dir;
++      int i, dir, ret;
+       int tdm_slots = mcasp->tdm_slots;
+ 
+       /* Do not allow more then one stream per direction */
+@@ -1286,6 +1308,7 @@ static int davinci_mcasp_startup(struct 
snd_pcm_substream *substream,
+                       max_channels++;
+       }
+       ruledata->serializers = max_channels;
++      ruledata->mcasp = mcasp;
+       max_channels *= tdm_slots;
+       /*
+        * If the already active stream has less channels than the calculated
+@@ -1311,20 +1334,22 @@ static int davinci_mcasp_startup(struct 
snd_pcm_substream *substream,
+                                  0, SNDRV_PCM_HW_PARAM_CHANNELS,
+                                  &mcasp->chconstr[substream->stream]);
+ 
+-      if (mcasp->slot_width)
+-              snd_pcm_hw_constraint_minmax(substream->runtime,
+-                                           SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
+-                                           8, mcasp->slot_width);
++      if (mcasp->slot_width) {
++              /* Only allow formats require <= slot_width bits on the bus */
++              ret = snd_pcm_hw_rule_add(substream->runtime, 0,
++                                        SNDRV_PCM_HW_PARAM_FORMAT,
++                                        davinci_mcasp_hw_rule_slot_width,
++                                        ruledata,
++                                        SNDRV_PCM_HW_PARAM_FORMAT, -1);
++              if (ret)
++                      return ret;
++      }
+ 
+       /*
+        * If we rely on implicit BCLK divider setting we should
+        * set constraints based on what we can provide.
+        */
+       if (mcasp->bclk_master && mcasp->bclk_div == 0 && mcasp->sysclk_freq) {
+-              int ret;
+-
+-              ruledata->mcasp = mcasp;
+-
+               ret = snd_pcm_hw_rule_add(substream->runtime, 0,
+                                         SNDRV_PCM_HW_PARAM_RATE,
+                                         davinci_mcasp_hw_rule_rate,
+diff --git a/sound/soc/rockchip/rockchip_i2s.c 
b/sound/soc/rockchip/rockchip_i2s.c
+index 60d43d53a8f5..11399f81c92f 100644
+--- a/sound/soc/rockchip/rockchip_i2s.c
++++ b/sound/soc/rockchip/rockchip_i2s.c
+@@ -329,7 +329,6 @@ static int rockchip_i2s_hw_params(struct snd_pcm_substream 
*substream,
+               val |= I2S_CHN_4;
+               break;
+       case 2:
+-      case 1:
+               val |= I2S_CHN_2;
+               break;
+       default:
+@@ -462,7 +461,7 @@ static struct snd_soc_dai_driver rockchip_i2s_dai = {
+       },
+       .capture = {
+               .stream_name = "Capture",
+-              .channels_min = 1,
++              .channels_min = 2,
+               .channels_max = 2,
+               .rates = SNDRV_PCM_RATE_8000_192000,
+               .formats = (SNDRV_PCM_FMTBIT_S8 |
+@@ -662,7 +661,7 @@ static int rockchip_i2s_probe(struct platform_device *pdev)
+       }
+ 
+       if (!of_property_read_u32(node, "rockchip,capture-channels", &val)) {
+-              if (val >= 1 && val <= 8)
++              if (val >= 2 && val <= 8)
+                       soc_dai->capture.channels_max = val;
+       }
+ 
+diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
+index 62aa320c2070..dafc3b7f8d72 100644
+--- a/sound/soc/soc-core.c
++++ b/sound/soc/soc-core.c
+@@ -1513,8 +1513,11 @@ static int soc_probe_link_dais(struct snd_soc_card 
*card,
+               }
+       }
+ 
+-      if (dai_link->dai_fmt)
+-              snd_soc_runtime_set_dai_fmt(rtd, dai_link->dai_fmt);
++      if (dai_link->dai_fmt) {
++              ret = snd_soc_runtime_set_dai_fmt(rtd, dai_link->dai_fmt);
++              if (ret)
++                      return ret;
++      }
+ 
+       ret = soc_post_component_init(rtd, dai_link->name);
+       if (ret)
+diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
+index 3bfc788372f3..4ce57510b623 100644
+--- a/sound/soc/soc-dapm.c
++++ b/sound/soc/soc-dapm.c
+@@ -1145,8 +1145,8 @@ static __always_inline int is_connected_ep(struct 
snd_soc_dapm_widget *widget,
+               list_add_tail(&widget->work_list, list);
+ 
+       if (custom_stop_condition && custom_stop_condition(widget, dir)) {
+-              widget->endpoints[dir] = 1;
+-              return widget->endpoints[dir];
++              list = NULL;
++              custom_stop_condition = NULL;
+       }
+ 
+       if ((widget->is_ep & SND_SOC_DAPM_DIR_TO_EP(dir)) && widget->connected) 
{
+@@ -1183,8 +1183,8 @@ static __always_inline int is_connected_ep(struct 
snd_soc_dapm_widget *widget,
+  *
+  * Optionally, can be supplied with a function acting as a stopping condition.
+  * This function takes the dapm widget currently being examined and the walk
+- * direction as an arguments, it should return true if the walk should be
+- * stopped and false otherwise.
++ * direction as an arguments, it should return true if widgets from that point
++ * in the graph onwards should not be added to the widget list.
+  */
+ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget,
+       struct list_head *list,
+diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c
+index fa56fde6e8d8..91c0a4434da2 100644
+--- a/tools/perf/bench/numa.c
++++ b/tools/perf/bench/numa.c
+@@ -378,8 +378,10 @@ static u8 *alloc_data(ssize_t bytes0, int map_flags,
+ 
+       /* Allocate and initialize all memory on CPU#0: */
+       if (init_cpu0) {
+-              orig_mask = bind_to_node(0);
+-              bind_to_memnode(0);
++              int node = numa_node_of_cpu(0);
++
++              orig_mask = bind_to_node(node);
++              bind_to_memnode(node);
+       }
+ 
+       bytes = bytes0 + HPSIZE;
+diff --git a/tools/perf/builtin-ftrace.c b/tools/perf/builtin-ftrace.c
+index f42f228e8899..137955197ba8 100644
+--- a/tools/perf/builtin-ftrace.c
++++ b/tools/perf/builtin-ftrace.c
+@@ -174,7 +174,7 @@ static int set_tracing_cpumask(struct cpu_map *cpumap)
+       int last_cpu;
+ 
+       last_cpu = cpu_map__cpu(cpumap, cpumap->nr - 1);
+-      mask_size = (last_cpu + 3) / 4 + 1;
++      mask_size = last_cpu / 4 + 2; /* one more byte for EOS */
+       mask_size += last_cpu / 32; /* ',' is needed for every 32th cpus */
+ 
+       cpumask = malloc(mask_size);
+diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c
+index 68c92bb599ee..6b36b7110669 100644
+--- a/tools/perf/pmu-events/jevents.c
++++ b/tools/perf/pmu-events/jevents.c
+@@ -450,6 +450,7 @@ static struct fixed {
+       { "inst_retired.any_p", "event=0xc0" },
+       { "cpu_clk_unhalted.ref", "event=0x0,umask=0x03" },
+       { "cpu_clk_unhalted.thread", "event=0x3c" },
++      { "cpu_clk_unhalted.core", "event=0x3c" },
+       { "cpu_clk_unhalted.thread_any", "event=0x3c,any=1" },
+       { NULL, NULL},
+ };
+diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c
+index 383674f448fc..f93846edc1e0 100644
+--- a/tools/perf/util/cpumap.c
++++ b/tools/perf/util/cpumap.c
+@@ -701,7 +701,10 @@ size_t cpu_map__snprint_mask(struct cpu_map *map, char 
*buf, size_t size)
+       unsigned char *bitmap;
+       int last_cpu = cpu_map__cpu(map, map->nr - 1);
+ 
+-      bitmap = zalloc((last_cpu + 7) / 8);
++      if (buf == NULL)
++              return 0;
++
++      bitmap = zalloc(last_cpu / 8 + 1);
+       if (bitmap == NULL) {
+               buf[0] = '\0';
+               return 0;
+diff --git a/tools/testing/selftests/bpf/sendmsg6_prog.c 
b/tools/testing/selftests/bpf/sendmsg6_prog.c
+index 5aeaa284fc47..a68062820410 100644
+--- a/tools/testing/selftests/bpf/sendmsg6_prog.c
++++ b/tools/testing/selftests/bpf/sendmsg6_prog.c
+@@ -41,8 +41,7 @@ int sendmsg_v6_prog(struct bpf_sock_addr *ctx)
+       }
+ 
+       /* Rewrite destination. */
+-      if ((ctx->user_ip6[0] & 0xFFFF) == bpf_htons(0xFACE) &&
+-           ctx->user_ip6[0] >> 16 == bpf_htons(0xB00C)) {
++      if (ctx->user_ip6[0] == bpf_htonl(0xFACEB00C)) {
+               ctx->user_ip6[0] = bpf_htonl(DST_REWRITE_IP6_0);
+               ctx->user_ip6[1] = bpf_htonl(DST_REWRITE_IP6_1);
+               ctx->user_ip6[2] = bpf_htonl(DST_REWRITE_IP6_2);
+diff --git a/tools/testing/selftests/kvm/config 
b/tools/testing/selftests/kvm/config
+new file mode 100644
+index 000000000000..63ed533f73d6
+--- /dev/null
++++ b/tools/testing/selftests/kvm/config
+@@ -0,0 +1,3 @@
++CONFIG_KVM=y
++CONFIG_KVM_INTEL=y
++CONFIG_KVM_AMD=y
+diff --git a/tools/testing/selftests/net/forwarding/gre_multipath.sh 
b/tools/testing/selftests/net/forwarding/gre_multipath.sh
+index cca2baa03fb8..a8d8e8b3dc81 100755
+--- a/tools/testing/selftests/net/forwarding/gre_multipath.sh
++++ b/tools/testing/selftests/net/forwarding/gre_multipath.sh
+@@ -93,18 +93,10 @@ sw1_create()
+       ip route add vrf v$ol1 192.0.2.16/28 \
+          nexthop dev g1a \
+          nexthop dev g1b
+-
+-      tc qdisc add dev $ul1 clsact
+-      tc filter add dev $ul1 egress pref 111 prot ipv4 \
+-         flower dst_ip 192.0.2.66 action pass
+-      tc filter add dev $ul1 egress pref 222 prot ipv4 \
+-         flower dst_ip 192.0.2.82 action pass
+ }
+ 
+ sw1_destroy()
+ {
+-      tc qdisc del dev $ul1 clsact
+-
+       ip route del vrf v$ol1 192.0.2.16/28
+ 
+       ip route del vrf v$ol1 192.0.2.82/32 via 192.0.2.146
+@@ -139,10 +131,18 @@ sw2_create()
+       ip route add vrf v$ol2 192.0.2.0/28 \
+          nexthop dev g2a \
+          nexthop dev g2b
++
++      tc qdisc add dev $ul2 clsact
++      tc filter add dev $ul2 ingress pref 111 prot 802.1Q \
++         flower vlan_id 111 action pass
++      tc filter add dev $ul2 ingress pref 222 prot 802.1Q \
++         flower vlan_id 222 action pass
+ }
+ 
+ sw2_destroy()
+ {
++      tc qdisc del dev $ul2 clsact
++
+       ip route del vrf v$ol2 192.0.2.0/28
+ 
+       ip route del vrf v$ol2 192.0.2.81/32 via 192.0.2.145
+@@ -187,12 +187,16 @@ setup_prepare()
+       sw1_create
+       sw2_create
+       h2_create
++
++      forwarding_enable
+ }
+ 
+ cleanup()
+ {
+       pre_cleanup
+ 
++      forwarding_restore
++
+       h2_destroy
+       sw2_destroy
+       sw1_destroy
+@@ -211,15 +215,15 @@ multipath4_test()
+          nexthop dev g1a weight $weight1 \
+          nexthop dev g1b weight $weight2
+ 
+-      local t0_111=$(tc_rule_stats_get $ul1 111 egress)
+-      local t0_222=$(tc_rule_stats_get $ul1 222 egress)
++      local t0_111=$(tc_rule_stats_get $ul2 111 ingress)
++      local t0_222=$(tc_rule_stats_get $ul2 222 ingress)
+ 
+       ip vrf exec v$h1 \
+          $MZ $h1 -q -p 64 -A 192.0.2.1 -B 192.0.2.18 \
+              -d 1msec -t udp "sp=1024,dp=0-32768"
+ 
+-      local t1_111=$(tc_rule_stats_get $ul1 111 egress)
+-      local t1_222=$(tc_rule_stats_get $ul1 222 egress)
++      local t1_111=$(tc_rule_stats_get $ul2 111 ingress)
++      local t1_222=$(tc_rule_stats_get $ul2 222 ingress)
+ 
+       local d111=$((t1_111 - t0_111))
+       local d222=$((t1_222 - t0_222))

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