commit:     1e4a3566e900f79b096594817ce8dc43cf3ffaff
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Wed Oct 18 13:55:53 2017 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Wed Oct 18 13:55:53 2017 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=1e4a3566

Linux patch 4.13.8

 0000_README             |    4 +
 1007_linux-4.13.8.patch | 1684 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 1688 insertions(+)

diff --git a/0000_README b/0000_README
index b6a0ed9..37fc5da 100644
--- a/0000_README
+++ b/0000_README
@@ -71,6 +71,10 @@ Patch:  1006_linux-4.13.7.patch
 From:   http://www.kernel.org
 Desc:   Linux 4.13.7
 
+Patch:  1007_linux-4.13.8.patch
+From:   http://www.kernel.org
+Desc:   Linux 4.13.8
+
 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/1007_linux-4.13.8.patch b/1007_linux-4.13.8.patch
new file mode 100644
index 0000000..dd87679
--- /dev/null
+++ b/1007_linux-4.13.8.patch
@@ -0,0 +1,1684 @@
+diff --git a/Makefile b/Makefile
+index 0d4f1b19869d..66ec023da822 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 4
+ PATCHLEVEL = 13
+-SUBLEVEL = 7
++SUBLEVEL = 8
+ EXTRAVERSION =
+ NAME = Fearless Coyote
+ 
+diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
+index f08a7b4facb9..4f0a1a6f7589 100644
+--- a/arch/mips/math-emu/cp1emu.c
++++ b/arch/mips/math-emu/cp1emu.c
+@@ -2387,7 +2387,6 @@ static int fpu_emu(struct pt_regs *xcp, struct 
mips_fpu_struct *ctx,
+                                       break;
+                               default:
+                                       /* Reserved R6 ops */
+-                                      pr_err("Reserved MIPS R6 CMP.condn.S 
operation\n");
+                                       return SIGILL;
+                               }
+                       }
+@@ -2461,7 +2460,6 @@ static int fpu_emu(struct pt_regs *xcp, struct 
mips_fpu_struct *ctx,
+                                       break;
+                               default:
+                                       /* Reserved R6 ops */
+-                                      pr_err("Reserved MIPS R6 CMP.condn.D 
operation\n");
+                                       return SIGILL;
+                               }
+                       }
+diff --git a/arch/mips/net/ebpf_jit.c b/arch/mips/net/ebpf_jit.c
+index 3f87b96da5c4..401776f92288 100644
+--- a/arch/mips/net/ebpf_jit.c
++++ b/arch/mips/net/ebpf_jit.c
+@@ -679,7 +679,7 @@ static int build_one_insn(const struct bpf_insn *insn, 
struct jit_ctx *ctx,
+ {
+       int src, dst, r, td, ts, mem_off, b_off;
+       bool need_swap, did_move, cmp_eq;
+-      unsigned int target;
++      unsigned int target = 0;
+       u64 t64;
+       s64 t64s;
+ 
+diff --git a/arch/x86/include/asm/alternative-asm.h 
b/arch/x86/include/asm/alternative-asm.h
+index e7636bac7372..6c98821fef5e 100644
+--- a/arch/x86/include/asm/alternative-asm.h
++++ b/arch/x86/include/asm/alternative-asm.h
+@@ -62,8 +62,10 @@
+ #define new_len2              145f-144f
+ 
+ /*
+- * max without conditionals. Idea adapted from:
++ * gas compatible max based on the idea from:
+  * http://graphics.stanford.edu/~seander/bithacks.html#IntegerMinOrMax
++ *
++ * The additional "-" is needed because gas uses a "true" value of -1.
+  */
+ #define alt_max_short(a, b)   ((a) ^ (((a) ^ (b)) & -(-((a) < (b)))))
+ 
+diff --git a/arch/x86/include/asm/alternative.h 
b/arch/x86/include/asm/alternative.h
+index 1b020381ab38..d4aea31eec03 100644
+--- a/arch/x86/include/asm/alternative.h
++++ b/arch/x86/include/asm/alternative.h
+@@ -103,12 +103,12 @@ static inline int alternatives_text_reserved(void 
*start, void *end)
+       alt_end_marker ":\n"
+ 
+ /*
+- * max without conditionals. Idea adapted from:
++ * gas compatible max based on the idea from:
+  * http://graphics.stanford.edu/~seander/bithacks.html#IntegerMinOrMax
+  *
+- * The additional "-" is needed because gas works with s32s.
++ * The additional "-" is needed because gas uses a "true" value of -1.
+  */
+-#define alt_max_short(a, b)   "((" a ") ^ (((" a ") ^ (" b ")) & -(-((" a ") 
- (" b ")))))"
++#define alt_max_short(a, b)   "((" a ") ^ (((" a ") ^ (" b ")) & -(-((" a ") 
< (" b ")))))"
+ 
+ /*
+  * Pad the second replacement alternative with additional NOPs if it is
+diff --git a/arch/x86/kernel/cpu/microcode/core.c 
b/arch/x86/kernel/cpu/microcode/core.c
+index 86e8f0b2537b..c4fa4a85d4cb 100644
+--- a/arch/x86/kernel/cpu/microcode/core.c
++++ b/arch/x86/kernel/cpu/microcode/core.c
+@@ -122,9 +122,6 @@ static bool __init check_loader_disabled_bsp(void)
+       bool *res = &dis_ucode_ldr;
+ #endif
+ 
+-      if (!have_cpuid_p())
+-              return *res;
+-
+       /*
+        * CPUID(1).ECX[31]: reserved for hypervisor use. This is still not
+        * completely accurate as xen pv guests don't see that CPUID bit set but
+@@ -166,24 +163,36 @@ bool get_builtin_firmware(struct cpio_data *cd, const 
char *name)
+ void __init load_ucode_bsp(void)
+ {
+       unsigned int cpuid_1_eax;
++      bool intel = true;
+ 
+-      if (check_loader_disabled_bsp())
++      if (!have_cpuid_p())
+               return;
+ 
+       cpuid_1_eax = native_cpuid_eax(1);
+ 
+       switch (x86_cpuid_vendor()) {
+       case X86_VENDOR_INTEL:
+-              if (x86_family(cpuid_1_eax) >= 6)
+-                      load_ucode_intel_bsp();
++              if (x86_family(cpuid_1_eax) < 6)
++                      return;
+               break;
++
+       case X86_VENDOR_AMD:
+-              if (x86_family(cpuid_1_eax) >= 0x10)
+-                      load_ucode_amd_bsp(cpuid_1_eax);
++              if (x86_family(cpuid_1_eax) < 0x10)
++                      return;
++              intel = false;
+               break;
++
+       default:
+-              break;
++              return;
+       }
++
++      if (check_loader_disabled_bsp())
++              return;
++
++      if (intel)
++              load_ucode_intel_bsp();
++      else
++              load_ucode_amd_bsp(cpuid_1_eax);
+ }
+ 
+ static bool check_loader_disabled_ap(void)
+diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
+index 7558531c1215..bd4e058c25a4 100644
+--- a/arch/x86/kvm/mmu.c
++++ b/arch/x86/kvm/mmu.c
+@@ -3934,13 +3934,6 @@ static bool sync_mmio_spte(struct kvm_vcpu *vcpu, u64 
*sptep, gfn_t gfn,
+ static inline bool is_last_gpte(struct kvm_mmu *mmu,
+                               unsigned level, unsigned gpte)
+ {
+-      /*
+-       * PT_PAGE_TABLE_LEVEL always terminates.  The RHS has bit 7 set
+-       * iff level <= PT_PAGE_TABLE_LEVEL, which for our purpose means
+-       * level == PT_PAGE_TABLE_LEVEL; set PT_PAGE_SIZE_MASK in gpte then.
+-       */
+-      gpte |= level - PT_PAGE_TABLE_LEVEL - 1;
+-
+       /*
+        * The RHS has bit 7 set iff level < mmu->last_nonleaf_level.
+        * If it is clear, there are no large pages at this level, so clear
+@@ -3948,6 +3941,13 @@ static inline bool is_last_gpte(struct kvm_mmu *mmu,
+        */
+       gpte &= level - mmu->last_nonleaf_level;
+ 
++      /*
++       * PT_PAGE_TABLE_LEVEL always terminates.  The RHS has bit 7 set
++       * iff level <= PT_PAGE_TABLE_LEVEL, which for our purpose means
++       * level == PT_PAGE_TABLE_LEVEL; set PT_PAGE_SIZE_MASK in gpte then.
++       */
++      gpte |= level - PT_PAGE_TABLE_LEVEL - 1;
++
+       return gpte & PT_PAGE_SIZE_MASK;
+ }
+ 
+@@ -4459,6 +4459,7 @@ void kvm_init_shadow_ept_mmu(struct kvm_vcpu *vcpu, bool 
execonly,
+ 
+       update_permission_bitmask(vcpu, context, true);
+       update_pkru_bitmask(vcpu, context, true);
++      update_last_nonleaf_level(vcpu, context);
+       reset_rsvds_bits_mask_ept(vcpu, context, execonly);
+       reset_ept_shadow_zero_bits_mask(vcpu, context, execonly);
+ }
+diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
+index b0454c7e4cff..da06dc8c4fc4 100644
+--- a/arch/x86/kvm/paging_tmpl.h
++++ b/arch/x86/kvm/paging_tmpl.h
+@@ -334,10 +334,11 @@ static int FNAME(walk_addr_generic)(struct guest_walker 
*walker,
+               --walker->level;
+ 
+               index = PT_INDEX(addr, walker->level);
+-
+               table_gfn = gpte_to_gfn(pte);
+               offset    = index * sizeof(pt_element_t);
+               pte_gpa   = gfn_to_gpa(table_gfn) + offset;
++
++              BUG_ON(walker->level < 1);
+               walker->table_gfn[walker->level - 1] = table_gfn;
+               walker->pte_gpa[walker->level - 1] = pte_gpa;
+ 
+diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
+index 95796e2efc38..118709e7597d 100644
+--- a/arch/x86/kvm/vmx.c
++++ b/arch/x86/kvm/vmx.c
+@@ -11013,7 +11013,7 @@ static void load_vmcs12_host_state(struct kvm_vcpu 
*vcpu,
+ 
+       /* Same as above - no reason to call set_cr4_guest_host_mask().  */
+       vcpu->arch.cr4_guest_owned_bits = ~vmcs_readl(CR4_GUEST_HOST_MASK);
+-      kvm_set_cr4(vcpu, vmcs12->host_cr4);
++      vmx_set_cr4(vcpu, vmcs12->host_cr4);
+ 
+       nested_ept_uninit_mmu_context(vcpu);
+ 
+diff --git a/block/bio.c b/block/bio.c
+index 9a63597aaacc..30f56b8b1fb2 100644
+--- a/block/bio.c
++++ b/block/bio.c
+@@ -1235,8 +1235,8 @@ struct bio *bio_copy_user_iov(struct request_queue *q,
+        */
+       bmd->is_our_pages = map_data ? 0 : 1;
+       memcpy(bmd->iov, iter->iov, sizeof(struct iovec) * iter->nr_segs);
+-      iov_iter_init(&bmd->iter, iter->type, bmd->iov,
+-                      iter->nr_segs, iter->count);
++      bmd->iter = *iter;
++      bmd->iter.iov = bmd->iov;
+ 
+       ret = -ENOMEM;
+       bio = bio_kmalloc(gfp_mask, nr_pages);
+@@ -1327,6 +1327,7 @@ struct bio *bio_map_user_iov(struct request_queue *q,
+       int ret, offset;
+       struct iov_iter i;
+       struct iovec iov;
++      struct bio_vec *bvec;
+ 
+       iov_for_each(iov, i, *iter) {
+               unsigned long uaddr = (unsigned long) iov.iov_base;
+@@ -1371,7 +1372,12 @@ struct bio *bio_map_user_iov(struct request_queue *q,
+               ret = get_user_pages_fast(uaddr, local_nr_pages,
+                               (iter->type & WRITE) != WRITE,
+                               &pages[cur_page]);
+-              if (ret < local_nr_pages) {
++              if (unlikely(ret < local_nr_pages)) {
++                      for (j = cur_page; j < page_limit; j++) {
++                              if (!pages[j])
++                                      break;
++                              put_page(pages[j]);
++                      }
+                       ret = -EFAULT;
+                       goto out_unmap;
+               }
+@@ -1379,6 +1385,7 @@ struct bio *bio_map_user_iov(struct request_queue *q,
+               offset = offset_in_page(uaddr);
+               for (j = cur_page; j < page_limit; j++) {
+                       unsigned int bytes = PAGE_SIZE - offset;
++                      unsigned short prev_bi_vcnt = bio->bi_vcnt;
+ 
+                       if (len <= 0)
+                               break;
+@@ -1393,6 +1400,13 @@ struct bio *bio_map_user_iov(struct request_queue *q,
+                                           bytes)
+                               break;
+ 
++                      /*
++                       * check if vector was merged with previous
++                       * drop page reference if needed
++                       */
++                      if (bio->bi_vcnt == prev_bi_vcnt)
++                              put_page(pages[j]);
++
+                       len -= bytes;
+                       offset = 0;
+               }
+@@ -1419,10 +1433,8 @@ struct bio *bio_map_user_iov(struct request_queue *q,
+       return bio;
+ 
+  out_unmap:
+-      for (j = 0; j < nr_pages; j++) {
+-              if (!pages[j])
+-                      break;
+-              put_page(pages[j]);
++      bio_for_each_segment_all(bvec, bio, j) {
++              put_page(bvec->bv_page);
+       }
+  out:
+       kfree(pages);
+diff --git a/crypto/shash.c b/crypto/shash.c
+index 5e31c8d776df..f4161f3cfed6 100644
+--- a/crypto/shash.c
++++ b/crypto/shash.c
+@@ -275,12 +275,14 @@ static int shash_async_finup(struct ahash_request *req)
+ 
+ int shash_ahash_digest(struct ahash_request *req, struct shash_desc *desc)
+ {
+-      struct scatterlist *sg = req->src;
+-      unsigned int offset = sg->offset;
+       unsigned int nbytes = req->nbytes;
++      struct scatterlist *sg;
++      unsigned int offset;
+       int err;
+ 
+-      if (nbytes < min(sg->length, ((unsigned int)(PAGE_SIZE)) - offset)) {
++      if (nbytes &&
++          (sg = req->src, offset = sg->offset,
++           nbytes < min(sg->length, ((unsigned int)(PAGE_SIZE)) - offset))) {
+               void *data;
+ 
+               data = kmap_atomic(sg_page(sg));
+diff --git a/crypto/skcipher.c b/crypto/skcipher.c
+index 4faa0fd53b0c..d5692e35fab1 100644
+--- a/crypto/skcipher.c
++++ b/crypto/skcipher.c
+@@ -426,14 +426,9 @@ static int skcipher_copy_iv(struct skcipher_walk *walk)
+ 
+ static int skcipher_walk_first(struct skcipher_walk *walk)
+ {
+-      walk->nbytes = 0;
+-
+       if (WARN_ON_ONCE(in_irq()))
+               return -EDEADLK;
+ 
+-      if (unlikely(!walk->total))
+-              return 0;
+-
+       walk->buffer = NULL;
+       if (unlikely(((unsigned long)walk->iv & walk->alignmask))) {
+               int err = skcipher_copy_iv(walk);
+@@ -452,10 +447,15 @@ static int skcipher_walk_skcipher(struct skcipher_walk 
*walk,
+ {
+       struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
+ 
++      walk->total = req->cryptlen;
++      walk->nbytes = 0;
++
++      if (unlikely(!walk->total))
++              return 0;
++
+       scatterwalk_start(&walk->in, req->src);
+       scatterwalk_start(&walk->out, req->dst);
+ 
+-      walk->total = req->cryptlen;
+       walk->iv = req->iv;
+       walk->oiv = req->iv;
+ 
+@@ -509,6 +509,11 @@ static int skcipher_walk_aead_common(struct skcipher_walk 
*walk,
+       struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+       int err;
+ 
++      walk->nbytes = 0;
++
++      if (unlikely(!walk->total))
++              return 0;
++
+       walk->flags &= ~SKCIPHER_WALK_PHYS;
+ 
+       scatterwalk_start(&walk->in, req->src);
+diff --git a/drivers/base/property.c b/drivers/base/property.c
+index edf02c1b5845..5d0c26a53876 100644
+--- a/drivers/base/property.c
++++ b/drivers/base/property.c
+@@ -21,6 +21,7 @@
+ #include <linux/phy.h>
+ 
+ struct property_set {
++      struct device *dev;
+       struct fwnode_handle fwnode;
+       const struct property_entry *properties;
+ };
+@@ -855,6 +856,7 @@ static struct property_set *pset_copy_set(const struct 
property_set *pset)
+ void device_remove_properties(struct device *dev)
+ {
+       struct fwnode_handle *fwnode;
++      struct property_set *pset;
+ 
+       fwnode = dev_fwnode(dev);
+       if (!fwnode)
+@@ -864,16 +866,16 @@ void device_remove_properties(struct device *dev)
+        * the pset. If there is no real firmware node (ACPI/DT) primary
+        * will hold the pset.
+        */
+-      if (is_pset_node(fwnode)) {
++      pset = to_pset_node(fwnode);
++      if (pset) {
+               set_primary_fwnode(dev, NULL);
+-              pset_free_set(to_pset_node(fwnode));
+       } else {
+-              fwnode = fwnode->secondary;
+-              if (!IS_ERR(fwnode) && is_pset_node(fwnode)) {
++              pset = to_pset_node(fwnode->secondary);
++              if (pset && dev == pset->dev)
+                       set_secondary_fwnode(dev, NULL);
+-                      pset_free_set(to_pset_node(fwnode));
+-              }
+       }
++      if (pset && dev == pset->dev)
++              pset_free_set(pset);
+ }
+ EXPORT_SYMBOL_GPL(device_remove_properties);
+ 
+@@ -903,6 +905,7 @@ int device_add_properties(struct device *dev,
+       p->fwnode.type = FWNODE_PDATA;
+       p->fwnode.ops = &pset_fwnode_ops;
+       set_secondary_fwnode(dev, &p->fwnode);
++      p->dev = dev;
+       return 0;
+ }
+ EXPORT_SYMBOL_GPL(device_add_properties);
+diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
+index 3879f80a4815..a7ea20e7b8e9 100644
+--- a/drivers/dma/edma.c
++++ b/drivers/dma/edma.c
+@@ -1143,11 +1143,24 @@ static struct dma_async_tx_descriptor 
*edma_prep_dma_memcpy(
+       struct edma_desc *edesc;
+       struct device *dev = chan->device->dev;
+       struct edma_chan *echan = to_edma_chan(chan);
+-      unsigned int width, pset_len;
++      unsigned int width, pset_len, array_size;
+ 
+       if (unlikely(!echan || !len))
+               return NULL;
+ 
++      /* Align the array size (acnt block) with the transfer properties */
++      switch (__ffs((src | dest | len))) {
++      case 0:
++              array_size = SZ_32K - 1;
++              break;
++      case 1:
++              array_size = SZ_32K - 2;
++              break;
++      default:
++              array_size = SZ_32K - 4;
++              break;
++      }
++
+       if (len < SZ_64K) {
+               /*
+                * Transfer size less than 64K can be handled with one paRAM
+@@ -1169,7 +1182,7 @@ static struct dma_async_tx_descriptor 
*edma_prep_dma_memcpy(
+                * When the full_length is multibple of 32767 one slot can be
+                * used to complete the transfer.
+                */
+-              width = SZ_32K - 1;
++              width = array_size;
+               pset_len = rounddown(len, width);
+               /* One slot is enough for lengths multiple of (SZ_32K -1) */
+               if (unlikely(pset_len == len))
+@@ -1217,7 +1230,7 @@ static struct dma_async_tx_descriptor 
*edma_prep_dma_memcpy(
+               }
+               dest += pset_len;
+               src += pset_len;
+-              pset_len = width = len % (SZ_32K - 1);
++              pset_len = width = len % array_size;
+ 
+               ret = edma_config_pset(chan, &edesc->pset[1], src, dest, 1,
+                                      width, pset_len, DMA_MEM_TO_MEM);
+diff --git a/drivers/dma/ti-dma-crossbar.c b/drivers/dma/ti-dma-crossbar.c
+index 2403475a37cf..88a00d06def6 100644
+--- a/drivers/dma/ti-dma-crossbar.c
++++ b/drivers/dma/ti-dma-crossbar.c
+@@ -262,13 +262,14 @@ static void *ti_dra7_xbar_route_allocate(struct 
of_phandle_args *dma_spec,
+       mutex_lock(&xbar->mutex);
+       map->xbar_out = find_first_zero_bit(xbar->dma_inuse,
+                                           xbar->dma_requests);
+-      mutex_unlock(&xbar->mutex);
+       if (map->xbar_out == xbar->dma_requests) {
++              mutex_unlock(&xbar->mutex);
+               dev_err(&pdev->dev, "Run out of free DMA requests\n");
+               kfree(map);
+               return ERR_PTR(-ENOMEM);
+       }
+       set_bit(map->xbar_out, xbar->dma_inuse);
++      mutex_unlock(&xbar->mutex);
+ 
+       map->xbar_in = (u16)dma_spec->args[0];
+ 
+diff --git a/drivers/gpu/drm/drm_atomic_helper.c 
b/drivers/gpu/drm/drm_atomic_helper.c
+index 86d3093c6c9b..c73763959945 100644
+--- a/drivers/gpu/drm/drm_atomic_helper.c
++++ b/drivers/gpu/drm/drm_atomic_helper.c
+@@ -2756,6 +2756,7 @@ int drm_atomic_helper_resume(struct drm_device *dev,
+               drm_modeset_backoff(&ctx);
+       }
+ 
++      drm_atomic_state_put(state);
+       drm_modeset_drop_locks(&ctx);
+       drm_modeset_acquire_fini(&ctx);
+ 
+diff --git a/drivers/gpu/drm/i915/intel_bios.c 
b/drivers/gpu/drm/i915/intel_bios.c
+index 645488071944..f814359c86c9 100644
+--- a/drivers/gpu/drm/i915/intel_bios.c
++++ b/drivers/gpu/drm/i915/intel_bios.c
+@@ -1231,7 +1231,7 @@ static void parse_ddi_ports(struct drm_i915_private 
*dev_priv,
+ {
+       enum port port;
+ 
+-      if (!HAS_DDI(dev_priv))
++      if (!HAS_DDI(dev_priv) && !IS_CHERRYVIEW(dev_priv))
+               return;
+ 
+       if (!dev_priv->vbt.child_dev_num)
+diff --git a/drivers/gpu/drm/i915/intel_color.c 
b/drivers/gpu/drm/i915/intel_color.c
+index 17c4ae7e4e7c..824042ed04f6 100644
+--- a/drivers/gpu/drm/i915/intel_color.c
++++ b/drivers/gpu/drm/i915/intel_color.c
+@@ -58,7 +58,7 @@
+ #define I9XX_CSC_COEFF_1_0            \
+       ((7 << 12) | I9XX_CSC_COEFF_FP(CTM_COEFF_1_0, 8))
+ 
+-static bool crtc_state_is_legacy(struct drm_crtc_state *state)
++static bool crtc_state_is_legacy_gamma(struct drm_crtc_state *state)
+ {
+       return !state->degamma_lut &&
+               !state->ctm &&
+@@ -245,7 +245,7 @@ static void cherryview_load_csc_matrix(struct 
drm_crtc_state *state)
+       }
+ 
+       mode = (state->ctm ? CGM_PIPE_MODE_CSC : 0);
+-      if (!crtc_state_is_legacy(state)) {
++      if (!crtc_state_is_legacy_gamma(state)) {
+               mode |= (state->degamma_lut ? CGM_PIPE_MODE_DEGAMMA : 0) |
+                       (state->gamma_lut ? CGM_PIPE_MODE_GAMMA : 0);
+       }
+@@ -426,7 +426,7 @@ static void broadwell_load_luts(struct drm_crtc_state 
*state)
+       struct intel_crtc_state *intel_state = to_intel_crtc_state(state);
+       enum pipe pipe = to_intel_crtc(state->crtc)->pipe;
+ 
+-      if (crtc_state_is_legacy(state)) {
++      if (crtc_state_is_legacy_gamma(state)) {
+               haswell_load_luts(state);
+               return;
+       }
+@@ -486,7 +486,7 @@ static void glk_load_luts(struct drm_crtc_state *state)
+ 
+       glk_load_degamma_lut(state);
+ 
+-      if (crtc_state_is_legacy(state)) {
++      if (crtc_state_is_legacy_gamma(state)) {
+               haswell_load_luts(state);
+               return;
+       }
+@@ -508,7 +508,7 @@ static void cherryview_load_luts(struct drm_crtc_state 
*state)
+       uint32_t i, lut_size;
+       uint32_t word0, word1;
+ 
+-      if (crtc_state_is_legacy(state)) {
++      if (crtc_state_is_legacy_gamma(state)) {
+               /* Turn off degamma/gamma on CGM block. */
+               I915_WRITE(CGM_PIPE_MODE(pipe),
+                          (state->ctm ? CGM_PIPE_MODE_CSC : 0));
+@@ -589,12 +589,10 @@ int intel_color_check(struct drm_crtc *crtc,
+               return 0;
+ 
+       /*
+-       * We also allow no degamma lut and a gamma lut at the legacy
++       * We also allow no degamma lut/ctm and a gamma lut at the legacy
+        * size (256 entries).
+        */
+-      if (!crtc_state->degamma_lut &&
+-          crtc_state->gamma_lut &&
+-          crtc_state->gamma_lut->length == LEGACY_LUT_LENGTH)
++      if (crtc_state_is_legacy_gamma(crtc_state))
+               return 0;
+ 
+       return -EINVAL;
+diff --git a/drivers/gpu/drm/i915/intel_display.c 
b/drivers/gpu/drm/i915/intel_display.c
+index cc484b56eeaa..20b458551157 100644
+--- a/drivers/gpu/drm/i915/intel_display.c
++++ b/drivers/gpu/drm/i915/intel_display.c
+@@ -10059,13 +10059,10 @@ struct drm_display_mode *intel_crtc_mode_get(struct 
drm_device *dev,
+ {
+       struct drm_i915_private *dev_priv = to_i915(dev);
+       struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+-      enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder;
++      enum transcoder cpu_transcoder;
+       struct drm_display_mode *mode;
+       struct intel_crtc_state *pipe_config;
+-      int htot = I915_READ(HTOTAL(cpu_transcoder));
+-      int hsync = I915_READ(HSYNC(cpu_transcoder));
+-      int vtot = I915_READ(VTOTAL(cpu_transcoder));
+-      int vsync = I915_READ(VSYNC(cpu_transcoder));
++      u32 htot, hsync, vtot, vsync;
+       enum pipe pipe = intel_crtc->pipe;
+ 
+       mode = kzalloc(sizeof(*mode), GFP_KERNEL);
+@@ -10093,6 +10090,13 @@ struct drm_display_mode *intel_crtc_mode_get(struct 
drm_device *dev,
+       i9xx_crtc_clock_get(intel_crtc, pipe_config);
+ 
+       mode->clock = pipe_config->port_clock / pipe_config->pixel_multiplier;
++
++      cpu_transcoder = pipe_config->cpu_transcoder;
++      htot = I915_READ(HTOTAL(cpu_transcoder));
++      hsync = I915_READ(HSYNC(cpu_transcoder));
++      vtot = I915_READ(VTOTAL(cpu_transcoder));
++      vsync = I915_READ(VSYNC(cpu_transcoder));
++
+       mode->hdisplay = (htot & 0xffff) + 1;
+       mode->htotal = ((htot & 0xffff0000) >> 16) + 1;
+       mode->hsync_start = (hsync & 0xffff) + 1;
+diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
+index 64fa774c855b..61c313e21a91 100644
+--- a/drivers/gpu/drm/i915/intel_dp.c
++++ b/drivers/gpu/drm/i915/intel_dp.c
+@@ -2263,8 +2263,8 @@ static void edp_panel_off(struct intel_dp *intel_dp)
+       I915_WRITE(pp_ctrl_reg, pp);
+       POSTING_READ(pp_ctrl_reg);
+ 
+-      intel_dp->panel_power_off_time = ktime_get_boottime();
+       wait_panel_off(intel_dp);
++      intel_dp->panel_power_off_time = ktime_get_boottime();
+ 
+       /* We got a reference when we enabled the VDD. */
+       intel_display_power_put(dev_priv, intel_dp->aux_power_domain);
+diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
+index c008847e0b20..3f11b02f9857 100644
+--- a/drivers/hid/usbhid/hid-core.c
++++ b/drivers/hid/usbhid/hid-core.c
+@@ -975,6 +975,8 @@ static int usbhid_parse(struct hid_device *hid)
+       unsigned int rsize = 0;
+       char *rdesc;
+       int ret, n;
++      int num_descriptors;
++      size_t offset = offsetof(struct hid_descriptor, desc);
+ 
+       quirks = usbhid_lookup_quirk(le16_to_cpu(dev->descriptor.idVendor),
+                       le16_to_cpu(dev->descriptor.idProduct));
+@@ -997,10 +999,18 @@ static int usbhid_parse(struct hid_device *hid)
+               return -ENODEV;
+       }
+ 
++      if (hdesc->bLength < sizeof(struct hid_descriptor)) {
++              dbg_hid("hid descriptor is too short\n");
++              return -EINVAL;
++      }
++
+       hid->version = le16_to_cpu(hdesc->bcdHID);
+       hid->country = hdesc->bCountryCode;
+ 
+-      for (n = 0; n < hdesc->bNumDescriptors; n++)
++      num_descriptors = min_t(int, hdesc->bNumDescriptors,
++             (hdesc->bLength - offset) / sizeof(struct hid_class_descriptor));
++
++      for (n = 0; n < num_descriptors; n++)
+               if (hdesc->desc[n].bDescriptorType == HID_DT_REPORT)
+                       rsize = le16_to_cpu(hdesc->desc[n].wDescriptorLength);
+ 
+diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
+index 354cbd6392cd..632643939147 100644
+--- a/drivers/iommu/amd_iommu.c
++++ b/drivers/iommu/amd_iommu.c
+@@ -3262,6 +3262,7 @@ static size_t amd_iommu_unmap(struct iommu_domain *dom, 
unsigned long iova,
+       mutex_unlock(&domain->api_lock);
+ 
+       domain_flush_tlb_pde(domain);
++      domain_flush_complete(domain);
+ 
+       return unmap_size;
+ }
+diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c
+index bac33311f55a..1d37a4782c78 100644
+--- a/drivers/misc/mei/pci-me.c
++++ b/drivers/misc/mei/pci-me.c
+@@ -222,12 +222,15 @@ static int mei_me_probe(struct pci_dev *pdev, const 
struct pci_device_id *ent)
+       pdev->dev_flags |= PCI_DEV_FLAGS_NEEDS_RESUME;
+ 
+       /*
+-      * For not wake-able HW runtime pm framework
+-      * can't be used on pci device level.
+-      * Use domain runtime pm callbacks instead.
+-      */
+-      if (!pci_dev_run_wake(pdev))
+-              mei_me_set_pm_domain(dev);
++       * ME maps runtime suspend/resume to D0i states,
++       * hence we need to go around native PCI runtime service which
++       * eventually brings the device into D3cold/hot state,
++       * but the mei device cannot wake up from D3 unlike from D0i3.
++       * To get around the PCI device native runtime pm,
++       * ME uses runtime pm domain handlers which take precedence
++       * over the driver's pm handlers.
++       */
++      mei_me_set_pm_domain(dev);
+ 
+       if (mei_pg_is_enabled(dev))
+               pm_runtime_put_noidle(&pdev->dev);
+@@ -267,8 +270,7 @@ static void mei_me_shutdown(struct pci_dev *pdev)
+       dev_dbg(&pdev->dev, "shutdown\n");
+       mei_stop(dev);
+ 
+-      if (!pci_dev_run_wake(pdev))
+-              mei_me_unset_pm_domain(dev);
++      mei_me_unset_pm_domain(dev);
+ 
+       mei_disable_interrupts(dev);
+       free_irq(pdev->irq, dev);
+@@ -296,8 +298,7 @@ static void mei_me_remove(struct pci_dev *pdev)
+       dev_dbg(&pdev->dev, "stop\n");
+       mei_stop(dev);
+ 
+-      if (!pci_dev_run_wake(pdev))
+-              mei_me_unset_pm_domain(dev);
++      mei_me_unset_pm_domain(dev);
+ 
+       mei_disable_interrupts(dev);
+ 
+diff --git a/drivers/misc/mei/pci-txe.c b/drivers/misc/mei/pci-txe.c
+index e38a5f144373..0566f9bfa7de 100644
+--- a/drivers/misc/mei/pci-txe.c
++++ b/drivers/misc/mei/pci-txe.c
+@@ -144,12 +144,14 @@ static int mei_txe_probe(struct pci_dev *pdev, const 
struct pci_device_id *ent)
+       pdev->dev_flags |= PCI_DEV_FLAGS_NEEDS_RESUME;
+ 
+       /*
+-      * For not wake-able HW runtime pm framework
+-      * can't be used on pci device level.
+-      * Use domain runtime pm callbacks instead.
+-      */
+-      if (!pci_dev_run_wake(pdev))
+-              mei_txe_set_pm_domain(dev);
++       * TXE maps runtime suspend/resume to own power gating states,
++       * hence we need to go around native PCI runtime service which
++       * eventually brings the device into D3cold/hot state.
++       * But the TXE device cannot wake up from D3 unlike from own
++       * power gating. To get around PCI device native runtime pm,
++       * TXE uses runtime pm domain handlers which take precedence.
++       */
++      mei_txe_set_pm_domain(dev);
+ 
+       pm_runtime_put_noidle(&pdev->dev);
+ 
+@@ -186,8 +188,7 @@ static void mei_txe_shutdown(struct pci_dev *pdev)
+       dev_dbg(&pdev->dev, "shutdown\n");
+       mei_stop(dev);
+ 
+-      if (!pci_dev_run_wake(pdev))
+-              mei_txe_unset_pm_domain(dev);
++      mei_txe_unset_pm_domain(dev);
+ 
+       mei_disable_interrupts(dev);
+       free_irq(pdev->irq, dev);
+@@ -215,8 +216,7 @@ static void mei_txe_remove(struct pci_dev *pdev)
+ 
+       mei_stop(dev);
+ 
+-      if (!pci_dev_run_wake(pdev))
+-              mei_txe_unset_pm_domain(dev);
++      mei_txe_unset_pm_domain(dev);
+ 
+       mei_disable_interrupts(dev);
+       free_irq(pdev->irq, dev);
+@@ -318,15 +318,7 @@ static int mei_txe_pm_runtime_suspend(struct device 
*device)
+       else
+               ret = -EAGAIN;
+ 
+-      /*
+-       * If everything is okay we're about to enter PCI low
+-       * power state (D3) therefor we need to disable the
+-       * interrupts towards host.
+-       * However if device is not wakeable we do not enter
+-       * D-low state and we need to keep the interrupt kicking
+-       */
+-      if (!ret && pci_dev_run_wake(pdev))
+-              mei_disable_interrupts(dev);
++      /* keep irq on we are staying in D0 */
+ 
+       dev_dbg(&pdev->dev, "rpm: txe: runtime suspend ret=%d\n", ret);
+ 
+diff --git a/drivers/pci/host/pci-aardvark.c b/drivers/pci/host/pci-aardvark.c
+index 5fb9b620ac78..20f1d048582f 100644
+--- a/drivers/pci/host/pci-aardvark.c
++++ b/drivers/pci/host/pci-aardvark.c
+@@ -936,6 +936,8 @@ static int advk_pcie_probe(struct platform_device *pdev)
+       bridge->sysdata = pcie;
+       bridge->busnr = 0;
+       bridge->ops = &advk_pcie_ops;
++      bridge->map_irq = of_irq_parse_and_map_pci;
++      bridge->swizzle_irq = pci_common_swizzle;
+ 
+       ret = pci_scan_root_bus_bridge(bridge);
+       if (ret < 0) {
+diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c
+index b3722b7709df..1d1d87e8bcbf 100644
+--- a/drivers/pci/host/pci-tegra.c
++++ b/drivers/pci/host/pci-tegra.c
+@@ -233,6 +233,7 @@ struct tegra_msi {
+       struct msi_controller chip;
+       DECLARE_BITMAP(used, INT_PCI_MSI_NR);
+       struct irq_domain *domain;
++      unsigned long pages;
+       struct mutex lock;
+       u64 phys;
+       int irq;
+@@ -1529,22 +1530,9 @@ static int tegra_pcie_enable_msi(struct tegra_pcie 
*pcie)
+               goto err;
+       }
+ 
+-      /*
+-       * The PCI host bridge on Tegra contains some logic that intercepts
+-       * MSI writes, which means that the MSI target address doesn't have
+-       * to point to actual physical memory. Rather than allocating one 4
+-       * KiB page of system memory that's never used, we can simply pick
+-       * an arbitrary address within an area reserved for system memory
+-       * in the FPCI address map.
+-       *
+-       * However, in order to avoid confusion, we pick an address that
+-       * doesn't map to physical memory. The FPCI address map reserves a
+-       * 1012 GiB region for system memory and memory-mapped I/O. Since
+-       * none of the Tegra SoCs that contain this PCI host bridge can
+-       * address more than 16 GiB of system memory, the last 4 KiB of
+-       * these 1012 GiB is a good candidate.
+-       */
+-      msi->phys = 0xfcfffff000;
++      /* setup AFI/FPCI range */
++      msi->pages = __get_free_pages(GFP_KERNEL, 0);
++      msi->phys = virt_to_phys((void *)msi->pages);
+ 
+       afi_writel(pcie, msi->phys >> soc->msi_base_shift, AFI_MSI_FPCI_BAR_ST);
+       afi_writel(pcie, msi->phys, AFI_MSI_AXI_BAR_ST);
+@@ -1596,6 +1584,8 @@ static int tegra_pcie_disable_msi(struct tegra_pcie 
*pcie)
+       afi_writel(pcie, 0, AFI_MSI_EN_VEC6);
+       afi_writel(pcie, 0, AFI_MSI_EN_VEC7);
+ 
++      free_pages(msi->pages, 0);
++
+       if (msi->irq > 0)
+               free_irq(msi->irq, pcie);
+ 
+diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
+index e14b46c7b37f..8c054f5ccc11 100644
+--- a/drivers/pinctrl/Kconfig
++++ b/drivers/pinctrl/Kconfig
+@@ -100,6 +100,7 @@ config PINCTRL_AMD
+       tristate "AMD GPIO pin control"
+       depends on GPIOLIB
+       select GPIOLIB_IRQCHIP
++      select PINMUX
+       select PINCONF
+       select GENERIC_PINCONF
+       help
+diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c
+index d0e5d6ee882c..e2c1988cd7c0 100644
+--- a/drivers/ras/cec.c
++++ b/drivers/ras/cec.c
+@@ -523,7 +523,7 @@ int __init parse_cec_param(char *str)
+       if (*str == '=')
+               str++;
+ 
+-      if (!strncmp(str, "cec_disable", 7))
++      if (!strcmp(str, "cec_disable"))
+               ce_arr.disabled = 1;
+       else
+               return 0;
+diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
+index dd74c99d6ce1..5d061b3d8224 100644
+--- a/drivers/usb/gadget/composite.c
++++ b/drivers/usb/gadget/composite.c
+@@ -2026,6 +2026,8 @@ static DEVICE_ATTR_RO(suspended);
+ static void __composite_unbind(struct usb_gadget *gadget, bool unbind_driver)
+ {
+       struct usb_composite_dev        *cdev = get_gadget_data(gadget);
++      struct usb_gadget_strings       *gstr = cdev->driver->strings[0];
++      struct usb_string               *dev_str = gstr->strings;
+ 
+       /* composite_disconnect() must already have been called
+        * by the underlying peripheral controller driver!
+@@ -2045,6 +2047,9 @@ static void __composite_unbind(struct usb_gadget 
*gadget, bool unbind_driver)
+ 
+       composite_dev_cleanup(cdev);
+ 
++      if (dev_str[USB_GADGET_MANUFACTURER_IDX].s == cdev->def_manufacturer)
++              dev_str[USB_GADGET_MANUFACTURER_IDX].s = "";
++
+       kfree(cdev->def_manufacturer);
+       kfree(cdev);
+       set_gadget_data(gadget, NULL);
+diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
+index a22a892de7b7..aeb9f3c40521 100644
+--- a/drivers/usb/gadget/configfs.c
++++ b/drivers/usb/gadget/configfs.c
+@@ -1143,11 +1143,12 @@ static struct configfs_attribute *interf_grp_attrs[] = 
{
+       NULL
+ };
+ 
+-int usb_os_desc_prepare_interf_dir(struct config_group *parent,
+-                                 int n_interf,
+-                                 struct usb_os_desc **desc,
+-                                 char **names,
+-                                 struct module *owner)
++struct config_group *usb_os_desc_prepare_interf_dir(
++              struct config_group *parent,
++              int n_interf,
++              struct usb_os_desc **desc,
++              char **names,
++              struct module *owner)
+ {
+       struct config_group *os_desc_group;
+       struct config_item_type *os_desc_type, *interface_type;
+@@ -1159,7 +1160,7 @@ int usb_os_desc_prepare_interf_dir(struct config_group 
*parent,
+ 
+       char *vlabuf = kzalloc(vla_group_size(data_chunk), GFP_KERNEL);
+       if (!vlabuf)
+-              return -ENOMEM;
++              return ERR_PTR(-ENOMEM);
+ 
+       os_desc_group = vla_ptr(vlabuf, data_chunk, os_desc_group);
+       os_desc_type = vla_ptr(vlabuf, data_chunk, os_desc_type);
+@@ -1184,7 +1185,7 @@ int usb_os_desc_prepare_interf_dir(struct config_group 
*parent,
+               configfs_add_default_group(&d->group, os_desc_group);
+       }
+ 
+-      return 0;
++      return os_desc_group;
+ }
+ EXPORT_SYMBOL(usb_os_desc_prepare_interf_dir);
+ 
+diff --git a/drivers/usb/gadget/configfs.h b/drivers/usb/gadget/configfs.h
+index 36c468c4f5e9..540d5e92ed22 100644
+--- a/drivers/usb/gadget/configfs.h
++++ b/drivers/usb/gadget/configfs.h
+@@ -5,11 +5,12 @@
+ 
+ void unregister_gadget_item(struct config_item *item);
+ 
+-int usb_os_desc_prepare_interf_dir(struct config_group *parent,
+-                                 int n_interf,
+-                                 struct usb_os_desc **desc,
+-                                 char **names,
+-                                 struct module *owner);
++struct config_group *usb_os_desc_prepare_interf_dir(
++              struct config_group *parent,
++              int n_interf,
++              struct usb_os_desc **desc,
++              char **names,
++              struct module *owner);
+ 
+ static inline struct usb_os_desc *to_usb_os_desc(struct config_item *item)
+ {
+diff --git a/drivers/usb/gadget/function/f_rndis.c 
b/drivers/usb/gadget/function/f_rndis.c
+index 16562e461121..ba00cdb809d6 100644
+--- a/drivers/usb/gadget/function/f_rndis.c
++++ b/drivers/usb/gadget/function/f_rndis.c
+@@ -892,6 +892,7 @@ static void rndis_free_inst(struct usb_function_instance 
*f)
+                       free_netdev(opts->net);
+       }
+ 
++      kfree(opts->rndis_interf_group);        /* single VLA chunk */
+       kfree(opts);
+ }
+ 
+@@ -900,6 +901,7 @@ static struct usb_function_instance *rndis_alloc_inst(void)
+       struct f_rndis_opts *opts;
+       struct usb_os_desc *descs[1];
+       char *names[1];
++      struct config_group *rndis_interf_group;
+ 
+       opts = kzalloc(sizeof(*opts), GFP_KERNEL);
+       if (!opts)
+@@ -920,8 +922,14 @@ static struct usb_function_instance 
*rndis_alloc_inst(void)
+       names[0] = "rndis";
+       config_group_init_type_name(&opts->func_inst.group, "",
+                                   &rndis_func_type);
+-      usb_os_desc_prepare_interf_dir(&opts->func_inst.group, 1, descs,
+-                                     names, THIS_MODULE);
++      rndis_interf_group =
++              usb_os_desc_prepare_interf_dir(&opts->func_inst.group, 1, descs,
++                                             names, THIS_MODULE);
++      if (IS_ERR(rndis_interf_group)) {
++              rndis_free_inst(&opts->func_inst);
++              return ERR_CAST(rndis_interf_group);
++      }
++      opts->rndis_interf_group = rndis_interf_group;
+ 
+       return &opts->func_inst;
+ }
+diff --git a/drivers/usb/gadget/function/u_rndis.h 
b/drivers/usb/gadget/function/u_rndis.h
+index 4eafd5050545..4e2ad04fe8d6 100644
+--- a/drivers/usb/gadget/function/u_rndis.h
++++ b/drivers/usb/gadget/function/u_rndis.h
+@@ -26,6 +26,7 @@ struct f_rndis_opts {
+       bool                            bound;
+       bool                            borrowed_net;
+ 
++      struct config_group             *rndis_interf_group;
+       struct usb_os_desc              rndis_os_desc;
+       char                            rndis_ext_compat_id[16];
+ 
+diff --git a/drivers/usb/gadget/udc/dummy_hcd.c 
b/drivers/usb/gadget/udc/dummy_hcd.c
+index 374f85f612d9..1c6cfdf0457e 100644
+--- a/drivers/usb/gadget/udc/dummy_hcd.c
++++ b/drivers/usb/gadget/udc/dummy_hcd.c
+@@ -420,6 +420,7 @@ static void set_link_state_by_speed(struct dummy_hcd 
*dum_hcd)
+ static void set_link_state(struct dummy_hcd *dum_hcd)
+ {
+       struct dummy *dum = dum_hcd->dum;
++      unsigned int power_bit;
+ 
+       dum_hcd->active = 0;
+       if (dum->pullup)
+@@ -430,17 +431,19 @@ static void set_link_state(struct dummy_hcd *dum_hcd)
+                       return;
+ 
+       set_link_state_by_speed(dum_hcd);
++      power_bit = (dummy_hcd_to_hcd(dum_hcd)->speed == HCD_USB3 ?
++                      USB_SS_PORT_STAT_POWER : USB_PORT_STAT_POWER);
+ 
+       if ((dum_hcd->port_status & USB_PORT_STAT_ENABLE) == 0 ||
+            dum_hcd->active)
+               dum_hcd->resuming = 0;
+ 
+       /* Currently !connected or in reset */
+-      if ((dum_hcd->port_status & USB_PORT_STAT_CONNECTION) == 0 ||
++      if ((dum_hcd->port_status & power_bit) == 0 ||
+                       (dum_hcd->port_status & USB_PORT_STAT_RESET) != 0) {
+-              unsigned disconnect = USB_PORT_STAT_CONNECTION &
++              unsigned int disconnect = power_bit &
+                               dum_hcd->old_status & (~dum_hcd->port_status);
+-              unsigned reset = USB_PORT_STAT_RESET &
++              unsigned int reset = USB_PORT_STAT_RESET &
+                               (~dum_hcd->old_status) & dum_hcd->port_status;
+ 
+               /* Report reset and disconnect events to the driver */
+diff --git a/drivers/usb/renesas_usbhs/fifo.c 
b/drivers/usb/renesas_usbhs/fifo.c
+index 68f26904c316..50285b01da92 100644
+--- a/drivers/usb/renesas_usbhs/fifo.c
++++ b/drivers/usb/renesas_usbhs/fifo.c
+@@ -857,9 +857,9 @@ static void xfer_work(struct work_struct *work)
+               fifo->name, usbhs_pipe_number(pipe), pkt->length, pkt->zero);
+ 
+       usbhs_pipe_running(pipe, 1);
+-      usbhsf_dma_start(pipe, fifo);
+       usbhs_pipe_set_trans_count_if_bulk(pipe, pkt->trans);
+       dma_async_issue_pending(chan);
++      usbhsf_dma_start(pipe, fifo);
+       usbhs_pipe_enable(pipe);
+ 
+ xfer_work_end:
+diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c
+index fdf89800ebc3..43a862a90a77 100644
+--- a/drivers/usb/serial/console.c
++++ b/drivers/usb/serial/console.c
+@@ -186,6 +186,7 @@ static int usb_console_setup(struct console *co, char 
*options)
+       tty_kref_put(tty);
+  reset_open_count:
+       port->port.count = 0;
++      info->port = NULL;
+       usb_autopm_put_interface(serial->interface);
+  error_get_interface:
+       usb_serial_put(serial);
+@@ -265,7 +266,7 @@ static struct console usbcons = {
+ 
+ void usb_serial_console_disconnect(struct usb_serial *serial)
+ {
+-      if (serial->port[0] == usbcons_info.port) {
++      if (serial->port[0] && serial->port[0] == usbcons_info.port) {
+               usb_serial_console_exit();
+               usb_serial_put(serial);
+       }
+diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
+index 2d945c9f975c..412f812522ee 100644
+--- a/drivers/usb/serial/cp210x.c
++++ b/drivers/usb/serial/cp210x.c
+@@ -177,6 +177,7 @@ static const struct usb_device_id id_table[] = {
+       { USB_DEVICE(0x1843, 0x0200) }, /* Vaisala USB Instrument Cable */
+       { USB_DEVICE(0x18EF, 0xE00F) }, /* ELV USB-I2C-Interface */
+       { USB_DEVICE(0x18EF, 0xE025) }, /* ELV Marble Sound Board 1 */
++      { USB_DEVICE(0x18EF, 0xE032) }, /* ELV TFD500 Data Logger */
+       { USB_DEVICE(0x1901, 0x0190) }, /* GE B850 CP2105 Recorder interface */
+       { USB_DEVICE(0x1901, 0x0193) }, /* GE B650 CP2104 PMC interface */
+       { USB_DEVICE(0x1901, 0x0194) }, /* GE Healthcare Remote Alarm Box */
+@@ -352,6 +353,7 @@ static struct usb_serial_driver * const serial_drivers[] = 
{
+ #define CP210X_PARTNUM_CP2104 0x04
+ #define CP210X_PARTNUM_CP2105 0x05
+ #define CP210X_PARTNUM_CP2108 0x08
++#define CP210X_PARTNUM_UNKNOWN        0xFF
+ 
+ /* CP210X_GET_COMM_STATUS returns these 0x13 bytes */
+ struct cp210x_comm_status {
+@@ -1491,8 +1493,11 @@ static int cp210x_attach(struct usb_serial *serial)
+       result = cp210x_read_vendor_block(serial, REQTYPE_DEVICE_TO_HOST,
+                                         CP210X_GET_PARTNUM, &priv->partnum,
+                                         sizeof(priv->partnum));
+-      if (result < 0)
+-              goto err_free_priv;
++      if (result < 0) {
++              dev_warn(&serial->interface->dev,
++                       "querying part number failed\n");
++              priv->partnum = CP210X_PARTNUM_UNKNOWN;
++      }
+ 
+       usb_set_serial_data(serial, priv);
+ 
+@@ -1505,10 +1510,6 @@ static int cp210x_attach(struct usb_serial *serial)
+       }
+ 
+       return 0;
+-err_free_priv:
+-      kfree(priv);
+-
+-      return result;
+ }
+ 
+ static void cp210x_disconnect(struct usb_serial *serial)
+diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
+index 1cec03799cdf..49d1b2d4606d 100644
+--- a/drivers/usb/serial/ftdi_sio.c
++++ b/drivers/usb/serial/ftdi_sio.c
+@@ -1015,6 +1015,8 @@ static const struct usb_device_id id_table_combined[] = {
+       { USB_DEVICE(WICED_VID, WICED_USB20706V2_PID) },
+       { USB_DEVICE(TI_VID, TI_CC3200_LAUNCHPAD_PID),
+               .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
++      { USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_BT_USB_PID) },
++      { USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_WL_USB_PID) },
+       { }                                     /* Terminating entry */
+ };
+ 
+diff --git a/drivers/usb/serial/ftdi_sio_ids.h 
b/drivers/usb/serial/ftdi_sio_ids.h
+index 4fcf1cecb6d7..f9d15bd62785 100644
+--- a/drivers/usb/serial/ftdi_sio_ids.h
++++ b/drivers/usb/serial/ftdi_sio_ids.h
+@@ -609,6 +609,13 @@
+ #define ADI_GNICE_PID         0xF000
+ #define ADI_GNICEPLUS_PID     0xF001
+ 
++/*
++ * Cypress WICED USB UART
++ */
++#define CYPRESS_VID                   0x04B4
++#define CYPRESS_WICED_BT_USB_PID      0x009B
++#define CYPRESS_WICED_WL_USB_PID      0xF900
++
+ /*
+  * Microchip Technology, Inc.
+  *
+diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
+index 2a9944326210..db3d34c2c82e 100644
+--- a/drivers/usb/serial/option.c
++++ b/drivers/usb/serial/option.c
+@@ -522,6 +522,7 @@ static void option_instat_callback(struct urb *urb);
+ 
+ /* TP-LINK Incorporated products */
+ #define TPLINK_VENDOR_ID                      0x2357
++#define TPLINK_PRODUCT_LTE                    0x000D
+ #define TPLINK_PRODUCT_MA180                  0x0201
+ 
+ /* Changhong products */
+@@ -2011,6 +2012,7 @@ static const struct usb_device_id option_ids[] = {
+       { USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MEN200) },
+       { USB_DEVICE(PETATEL_VENDOR_ID, PETATEL_PRODUCT_NP10T_600A) },
+       { USB_DEVICE(PETATEL_VENDOR_ID, PETATEL_PRODUCT_NP10T_600E) },
++      { USB_DEVICE_AND_INTERFACE_INFO(TPLINK_VENDOR_ID, TPLINK_PRODUCT_LTE, 
0xff, 0x00, 0x00) },      /* TP-Link LTE Module */
+       { USB_DEVICE(TPLINK_VENDOR_ID, TPLINK_PRODUCT_MA180),
+         .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+       { USB_DEVICE(TPLINK_VENDOR_ID, 0x9000),                                 
/* TP-Link MA260 */
+diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
+index ebc0beea69d6..eb9928963a53 100644
+--- a/drivers/usb/serial/qcserial.c
++++ b/drivers/usb/serial/qcserial.c
+@@ -174,6 +174,10 @@ static const struct usb_device_id id_table[] = {
+       {DEVICE_SWI(0x413c, 0x81b3)},   /* Dell Wireless 5809e Gobi(TM) 4G LTE 
Mobile Broadband Card (rev3) */
+       {DEVICE_SWI(0x413c, 0x81b5)},   /* Dell Wireless 5811e QDL */
+       {DEVICE_SWI(0x413c, 0x81b6)},   /* Dell Wireless 5811e QDL */
++      {DEVICE_SWI(0x413c, 0x81cf)},   /* Dell Wireless 5819 */
++      {DEVICE_SWI(0x413c, 0x81d0)},   /* Dell Wireless 5819 */
++      {DEVICE_SWI(0x413c, 0x81d1)},   /* Dell Wireless 5818 */
++      {DEVICE_SWI(0x413c, 0x81d2)},   /* Dell Wireless 5818 */
+ 
+       /* Huawei devices */
+       {DEVICE_HWI(0x03f0, 0x581d)},   /* HP lt4112 LTE/HSPA+ Gobi 4G Modem 
(Huawei me906e) */
+diff --git a/fs/block_dev.c b/fs/block_dev.c
+index 9941dc8342df..3fbe75bdd257 100644
+--- a/fs/block_dev.c
++++ b/fs/block_dev.c
+@@ -716,10 +716,12 @@ int bdev_write_page(struct block_device *bdev, sector_t 
sector,
+ 
+       set_page_writeback(page);
+       result = ops->rw_page(bdev, sector + get_start_sect(bdev), page, true);
+-      if (result)
++      if (result) {
+               end_page_writeback(page);
+-      else
++      } else {
++              clean_page_buffers(page);
+               unlock_page(page);
++      }
+       blk_queue_exit(bdev->bd_queue);
+       return result;
+ }
+diff --git a/fs/direct-io.c b/fs/direct-io.c
+index 08cf27811e5a..ad379f082d83 100644
+--- a/fs/direct-io.c
++++ b/fs/direct-io.c
+@@ -838,7 +838,8 @@ submit_page_section(struct dio *dio, struct dio_submit 
*sdio, struct page *page,
+        */
+       if (sdio->boundary) {
+               ret = dio_send_cur_page(dio, sdio, map_bh);
+-              dio_bio_submit(dio, sdio);
++              if (sdio->bio)
++                      dio_bio_submit(dio, sdio);
+               put_page(sdio->cur_page);
+               sdio->cur_page = NULL;
+       }
+diff --git a/fs/mpage.c b/fs/mpage.c
+index 2e4c41ccb5c9..9feb169fbd5c 100644
+--- a/fs/mpage.c
++++ b/fs/mpage.c
+@@ -468,6 +468,16 @@ static void clean_buffers(struct page *page, unsigned 
first_unmapped)
+               try_to_free_buffers(page);
+ }
+ 
++/*
++ * For situations where we want to clean all buffers attached to a page.
++ * We don't need to calculate how many buffers are attached to the page,
++ * we just need to specify a number larger than the maximum number of buffers.
++ */
++void clean_page_buffers(struct page *page)
++{
++      clean_buffers(page, ~0U);
++}
++
+ static int __mpage_writepage(struct page *page, struct writeback_control *wbc,
+                     void *data)
+ {
+@@ -605,10 +615,8 @@ static int __mpage_writepage(struct page *page, struct 
writeback_control *wbc,
+       if (bio == NULL) {
+               if (first_unmapped == blocks_per_page) {
+                       if (!bdev_write_page(bdev, blocks[0] << (blkbits - 9),
+-                                                              page, wbc)) {
+-                              clean_buffers(page, first_unmapped);
++                                                              page, wbc))
+                               goto out;
+-                      }
+               }
+               bio = mpage_alloc(bdev, blocks[0] << (blkbits - 9),
+                               BIO_MAX_PAGES, GFP_NOFS|__GFP_HIGH);
+diff --git a/fs/nfs/client.c b/fs/nfs/client.c
+index efebe6cf4378..22880ef6d8dd 100644
+--- a/fs/nfs/client.c
++++ b/fs/nfs/client.c
+@@ -218,7 +218,6 @@ static void nfs_cb_idr_remove_locked(struct nfs_client 
*clp)
+ static void pnfs_init_server(struct nfs_server *server)
+ {
+       rpc_init_wait_queue(&server->roc_rpcwaitq, "pNFS ROC");
+-      rpc_init_wait_queue(&server->uoc_rpcwaitq, "NFS UOC");
+ }
+ 
+ #else
+@@ -888,6 +887,7 @@ struct nfs_server *nfs_alloc_server(void)
+       ida_init(&server->openowner_id);
+       ida_init(&server->lockowner_id);
+       pnfs_init_server(server);
++      rpc_init_wait_queue(&server->uoc_rpcwaitq, "NFS UOC");
+ 
+       return server;
+ }
+diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c
+index 44c638b7876c..508126eb49f9 100644
+--- a/fs/nfs/filelayout/filelayout.c
++++ b/fs/nfs/filelayout/filelayout.c
+@@ -745,7 +745,8 @@ filelayout_free_lseg(struct pnfs_layout_segment *lseg)
+       struct nfs4_filelayout_segment *fl = FILELAYOUT_LSEG(lseg);
+ 
+       dprintk("--> %s\n", __func__);
+-      nfs4_fl_put_deviceid(fl->dsaddr);
++      if (fl->dsaddr != NULL)
++              nfs4_fl_put_deviceid(fl->dsaddr);
+       /* This assumes a single RW lseg */
+       if (lseg->pls_range.iomode == IOMODE_RW) {
+               struct nfs4_filelayout *flo;
+diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
+index c8dae555eccf..446b24cac67d 100644
+--- a/include/linux/buffer_head.h
++++ b/include/linux/buffer_head.h
+@@ -232,6 +232,7 @@ int generic_write_end(struct file *, struct address_space 
*,
+                               loff_t, unsigned, unsigned,
+                               struct page *, void *);
+ void page_zero_new_buffers(struct page *page, unsigned from, unsigned to);
++void clean_page_buffers(struct page *page);
+ int cont_write_begin(struct file *, struct address_space *, loff_t,
+                       unsigned, unsigned, struct page **, void **,
+                       get_block_t *, loff_t *);
+diff --git a/include/sound/seq_virmidi.h b/include/sound/seq_virmidi.h
+index a03acd0d398a..695257ae64ac 100644
+--- a/include/sound/seq_virmidi.h
++++ b/include/sound/seq_virmidi.h
+@@ -60,6 +60,7 @@ struct snd_virmidi_dev {
+       int port;                       /* created/attached port */
+       unsigned int flags;             /* SNDRV_VIRMIDI_* */
+       rwlock_t filelist_lock;
++      struct rw_semaphore filelist_sem;
+       struct list_head filelist;
+ };
+ 
+diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
+index 75a70a267029..406fc428d580 100644
+--- a/kernel/irq/chip.c
++++ b/kernel/irq/chip.c
+@@ -265,8 +265,8 @@ int irq_startup(struct irq_desc *desc, bool resend, bool 
force)
+                       irq_setup_affinity(desc);
+                       break;
+               case IRQ_STARTUP_MANAGED:
++                      irq_do_set_affinity(d, aff, false);
+                       ret = __irq_startup(desc);
+-                      irq_set_affinity_locked(d, aff, false);
+                       break;
+               case IRQ_STARTUP_ABORT:
+                       return 0;
+diff --git a/kernel/irq/cpuhotplug.c b/kernel/irq/cpuhotplug.c
+index 638eb9c83d9f..9eb09aef0313 100644
+--- a/kernel/irq/cpuhotplug.c
++++ b/kernel/irq/cpuhotplug.c
+@@ -18,8 +18,34 @@
+ static inline bool irq_needs_fixup(struct irq_data *d)
+ {
+       const struct cpumask *m = irq_data_get_effective_affinity_mask(d);
++      unsigned int cpu = smp_processor_id();
+ 
+-      return cpumask_test_cpu(smp_processor_id(), m);
++#ifdef CONFIG_GENERIC_IRQ_EFFECTIVE_AFF_MASK
++      /*
++       * The cpumask_empty() check is a workaround for interrupt chips,
++       * which do not implement effective affinity, but the architecture has
++       * enabled the config switch. Use the general affinity mask instead.
++       */
++      if (cpumask_empty(m))
++              m = irq_data_get_affinity_mask(d);
++
++      /*
++       * Sanity check. If the mask is not empty when excluding the outgoing
++       * CPU then it must contain at least one online CPU. The outgoing CPU
++       * has been removed from the online mask already.
++       */
++      if (cpumask_any_but(m, cpu) < nr_cpu_ids &&
++          cpumask_any_and(m, cpu_online_mask) >= nr_cpu_ids) {
++              /*
++               * If this happens then there was a missed IRQ fixup at some
++               * point. Warn about it and enforce fixup.
++               */
++              pr_warn("Eff. affinity %*pbl of IRQ %u contains only offline 
CPUs after offlining CPU %u\n",
++                      cpumask_pr_args(m), d->irq, cpu);
++              return true;
++      }
++#endif
++      return cpumask_test_cpu(cpu, m);
+ }
+ 
+ static bool migrate_one_irq(struct irq_desc *desc)
+diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
+index 1d1a5b945ab4..70dc8da8737f 100644
+--- a/kernel/irq/manage.c
++++ b/kernel/irq/manage.c
+@@ -175,6 +175,9 @@ int irq_do_set_affinity(struct irq_data *data, const 
struct cpumask *mask,
+       struct irq_chip *chip = irq_data_get_irq_chip(data);
+       int ret;
+ 
++      if (!chip || !chip->irq_set_affinity)
++              return -EINVAL;
++
+       ret = chip->irq_set_affinity(data, mask, force);
+       switch (ret) {
+       case IRQ_SET_MASK_OK:
+diff --git a/mm/vmalloc.c b/mm/vmalloc.c
+index a47e3894c775..ceacc6e01904 100644
+--- a/mm/vmalloc.c
++++ b/mm/vmalloc.c
+@@ -1697,11 +1697,6 @@ static void *__vmalloc_area_node(struct vm_struct 
*area, gfp_t gfp_mask,
+       for (i = 0; i < area->nr_pages; i++) {
+               struct page *page;
+ 
+-              if (fatal_signal_pending(current)) {
+-                      area->nr_pages = i;
+-                      goto fail_no_warn;
+-              }
+-
+               if (node == NUMA_NO_NODE)
+                       page = alloc_page(alloc_mask|highmem_mask);
+               else
+@@ -1725,7 +1720,6 @@ static void *__vmalloc_area_node(struct vm_struct *area, 
gfp_t gfp_mask,
+       warn_alloc(gfp_mask, NULL,
+                         "vmalloc: allocation failure, allocated %ld of %ld 
bytes",
+                         (area->nr_pages*PAGE_SIZE), area->size);
+-fail_no_warn:
+       vfree(area->addr);
+       return NULL;
+ }
+diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c
+index ea2d0ae85bd3..6c9cba2166d9 100644
+--- a/sound/core/seq/seq_clientmgr.c
++++ b/sound/core/seq/seq_clientmgr.c
+@@ -1259,6 +1259,7 @@ static int snd_seq_ioctl_create_port(struct 
snd_seq_client *client, void *arg)
+       struct snd_seq_port_info *info = arg;
+       struct snd_seq_client_port *port;
+       struct snd_seq_port_callback *callback;
++      int port_idx;
+ 
+       /* it is not allowed to create the port for an another client */
+       if (info->addr.client != client->number)
+@@ -1269,7 +1270,9 @@ static int snd_seq_ioctl_create_port(struct 
snd_seq_client *client, void *arg)
+               return -ENOMEM;
+ 
+       if (client->type == USER_CLIENT && info->kernel) {
+-              snd_seq_delete_port(client, port->addr.port);
++              port_idx = port->addr.port;
++              snd_seq_port_unlock(port);
++              snd_seq_delete_port(client, port_idx);
+               return -EINVAL;
+       }
+       if (client->type == KERNEL_CLIENT) {
+@@ -1290,6 +1293,7 @@ static int snd_seq_ioctl_create_port(struct 
snd_seq_client *client, void *arg)
+ 
+       snd_seq_set_port_info(port, info);
+       snd_seq_system_client_ev_port_start(port->addr.client, port->addr.port);
++      snd_seq_port_unlock(port);
+ 
+       return 0;
+ }
+diff --git a/sound/core/seq/seq_ports.c b/sound/core/seq/seq_ports.c
+index 0a7020c82bfc..d21ece9f8d73 100644
+--- a/sound/core/seq/seq_ports.c
++++ b/sound/core/seq/seq_ports.c
+@@ -122,7 +122,9 @@ static void port_subs_info_init(struct 
snd_seq_port_subs_info *grp)
+ }
+ 
+ 
+-/* create a port, port number is returned (-1 on failure) */
++/* create a port, port number is returned (-1 on failure);
++ * the caller needs to unref the port via snd_seq_port_unlock() appropriately
++ */
+ struct snd_seq_client_port *snd_seq_create_port(struct snd_seq_client *client,
+                                               int port)
+ {
+@@ -151,6 +153,7 @@ struct snd_seq_client_port *snd_seq_create_port(struct 
snd_seq_client *client,
+       snd_use_lock_init(&new_port->use_lock);
+       port_subs_info_init(&new_port->c_src);
+       port_subs_info_init(&new_port->c_dest);
++      snd_use_lock_use(&new_port->use_lock);
+ 
+       num = port >= 0 ? port : 0;
+       mutex_lock(&client->ports_mutex);
+@@ -165,9 +168,9 @@ struct snd_seq_client_port *snd_seq_create_port(struct 
snd_seq_client *client,
+       list_add_tail(&new_port->list, &p->list);
+       client->num_ports++;
+       new_port->addr.port = num;      /* store the port number in the port */
++      sprintf(new_port->name, "port-%d", num);
+       write_unlock_irqrestore(&client->ports_lock, flags);
+       mutex_unlock(&client->ports_mutex);
+-      sprintf(new_port->name, "port-%d", num);
+ 
+       return new_port;
+ }
+diff --git a/sound/core/seq/seq_virmidi.c b/sound/core/seq/seq_virmidi.c
+index 8d93a4021c78..f48a4cd24ffc 100644
+--- a/sound/core/seq/seq_virmidi.c
++++ b/sound/core/seq/seq_virmidi.c
+@@ -77,13 +77,17 @@ static void snd_virmidi_init_event(struct snd_virmidi 
*vmidi,
+  * decode input event and put to read buffer of each opened file
+  */
+ static int snd_virmidi_dev_receive_event(struct snd_virmidi_dev *rdev,
+-                                       struct snd_seq_event *ev)
++                                       struct snd_seq_event *ev,
++                                       bool atomic)
+ {
+       struct snd_virmidi *vmidi;
+       unsigned char msg[4];
+       int len;
+ 
+-      read_lock(&rdev->filelist_lock);
++      if (atomic)
++              read_lock(&rdev->filelist_lock);
++      else
++              down_read(&rdev->filelist_sem);
+       list_for_each_entry(vmidi, &rdev->filelist, list) {
+               if (!vmidi->trigger)
+                       continue;
+@@ -97,7 +101,10 @@ static int snd_virmidi_dev_receive_event(struct 
snd_virmidi_dev *rdev,
+                               snd_rawmidi_receive(vmidi->substream, msg, len);
+               }
+       }
+-      read_unlock(&rdev->filelist_lock);
++      if (atomic)
++              read_unlock(&rdev->filelist_lock);
++      else
++              up_read(&rdev->filelist_sem);
+ 
+       return 0;
+ }
+@@ -115,7 +122,7 @@ int snd_virmidi_receive(struct snd_rawmidi *rmidi, struct 
snd_seq_event *ev)
+       struct snd_virmidi_dev *rdev;
+ 
+       rdev = rmidi->private_data;
+-      return snd_virmidi_dev_receive_event(rdev, ev);
++      return snd_virmidi_dev_receive_event(rdev, ev, true);
+ }
+ #endif  /*  0  */
+ 
+@@ -130,7 +137,7 @@ static int snd_virmidi_event_input(struct snd_seq_event 
*ev, int direct,
+       rdev = private_data;
+       if (!(rdev->flags & SNDRV_VIRMIDI_USE))
+               return 0; /* ignored */
+-      return snd_virmidi_dev_receive_event(rdev, ev);
++      return snd_virmidi_dev_receive_event(rdev, ev, atomic);
+ }
+ 
+ /*
+@@ -209,7 +216,6 @@ static int snd_virmidi_input_open(struct 
snd_rawmidi_substream *substream)
+       struct snd_virmidi_dev *rdev = substream->rmidi->private_data;
+       struct snd_rawmidi_runtime *runtime = substream->runtime;
+       struct snd_virmidi *vmidi;
+-      unsigned long flags;
+ 
+       vmidi = kzalloc(sizeof(*vmidi), GFP_KERNEL);
+       if (vmidi == NULL)
+@@ -223,9 +229,11 @@ static int snd_virmidi_input_open(struct 
snd_rawmidi_substream *substream)
+       vmidi->client = rdev->client;
+       vmidi->port = rdev->port;       
+       runtime->private_data = vmidi;
+-      write_lock_irqsave(&rdev->filelist_lock, flags);
++      down_write(&rdev->filelist_sem);
++      write_lock_irq(&rdev->filelist_lock);
+       list_add_tail(&vmidi->list, &rdev->filelist);
+-      write_unlock_irqrestore(&rdev->filelist_lock, flags);
++      write_unlock_irq(&rdev->filelist_lock);
++      up_write(&rdev->filelist_sem);
+       vmidi->rdev = rdev;
+       return 0;
+ }
+@@ -264,9 +272,11 @@ static int snd_virmidi_input_close(struct 
snd_rawmidi_substream *substream)
+       struct snd_virmidi_dev *rdev = substream->rmidi->private_data;
+       struct snd_virmidi *vmidi = substream->runtime->private_data;
+ 
++      down_write(&rdev->filelist_sem);
+       write_lock_irq(&rdev->filelist_lock);
+       list_del(&vmidi->list);
+       write_unlock_irq(&rdev->filelist_lock);
++      up_write(&rdev->filelist_sem);
+       snd_midi_event_free(vmidi->parser);
+       substream->runtime->private_data = NULL;
+       kfree(vmidi);
+@@ -520,6 +530,7 @@ int snd_virmidi_new(struct snd_card *card, int device, 
struct snd_rawmidi **rrmi
+       rdev->rmidi = rmidi;
+       rdev->device = device;
+       rdev->client = -1;
++      init_rwsem(&rdev->filelist_sem);
+       rwlock_init(&rdev->filelist_lock);
+       INIT_LIST_HEAD(&rdev->filelist);
+       rdev->seq_mode = SNDRV_VIRMIDI_SEQ_DISPATCH;
+diff --git a/sound/usb/caiaq/device.c b/sound/usb/caiaq/device.c
+index b871ba407e4e..4458190149d1 100644
+--- a/sound/usb/caiaq/device.c
++++ b/sound/usb/caiaq/device.c
+@@ -469,10 +469,12 @@ static int init_card(struct snd_usb_caiaqdev *cdev)
+ 
+       err = snd_usb_caiaq_send_command(cdev, EP1_CMD_GET_DEVICE_INFO, NULL, 
0);
+       if (err)
+-              return err;
++              goto err_kill_urb;
+ 
+-      if (!wait_event_timeout(cdev->ep1_wait_queue, cdev->spec_received, HZ))
+-              return -ENODEV;
++      if (!wait_event_timeout(cdev->ep1_wait_queue, cdev->spec_received, HZ)) 
{
++              err = -ENODEV;
++              goto err_kill_urb;
++      }
+ 
+       usb_string(usb_dev, usb_dev->descriptor.iManufacturer,
+                  cdev->vendor_name, CAIAQ_USB_STR_LEN);
+@@ -507,6 +509,10 @@ static int init_card(struct snd_usb_caiaqdev *cdev)
+ 
+       setup_card(cdev);
+       return 0;
++
++ err_kill_urb:
++      usb_kill_urb(&cdev->ep1_in_urb);
++      return err;
+ }
+ 
+ static int snd_probe(struct usb_interface *intf,
+diff --git a/sound/usb/line6/driver.c b/sound/usb/line6/driver.c
+index 0ff5a7d2e19f..c8f723c3a033 100644
+--- a/sound/usb/line6/driver.c
++++ b/sound/usb/line6/driver.c
+@@ -779,9 +779,10 @@ int line6_probe(struct usb_interface *interface,
+       return 0;
+ 
+  error:
+-      if (line6->disconnect)
+-              line6->disconnect(line6);
+-      snd_card_free(card);
++      /* we can call disconnect callback here because no close-sync is
++       * needed yet at this point
++       */
++      line6_disconnect(interface);
+       return ret;
+ }
+ EXPORT_SYMBOL_GPL(line6_probe);
+diff --git a/sound/usb/line6/podhd.c b/sound/usb/line6/podhd.c
+index 956f847a96e4..451007c27743 100644
+--- a/sound/usb/line6/podhd.c
++++ b/sound/usb/line6/podhd.c
+@@ -301,7 +301,8 @@ static void podhd_disconnect(struct usb_line6 *line6)
+ 
+               intf = usb_ifnum_to_if(line6->usbdev,
+                                       pod->line6.properties->ctrl_if);
+-              usb_driver_release_interface(&podhd_driver, intf);
++              if (intf)
++                      usb_driver_release_interface(&podhd_driver, intf);
+       }
+ }
+ 
+@@ -317,6 +318,9 @@ static int podhd_init(struct usb_line6 *line6,
+ 
+       line6->disconnect = podhd_disconnect;
+ 
++      init_timer(&pod->startup_timer);
++      INIT_WORK(&pod->startup_work, podhd_startup_workqueue);
++
+       if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL) {
+               /* claim the data interface */
+               intf = usb_ifnum_to_if(line6->usbdev,
+@@ -358,8 +362,6 @@ static int podhd_init(struct usb_line6 *line6,
+       }
+ 
+       /* init device and delay registering */
+-      init_timer(&pod->startup_timer);
+-      INIT_WORK(&pod->startup_work, podhd_startup_workqueue);
+       podhd_startup(pod);
+       return 0;
+ }
+diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
+index e630813c5008..a08e90566edc 100644
+--- a/sound/usb/mixer.c
++++ b/sound/usb/mixer.c
+@@ -2228,6 +2228,9 @@ static int parse_audio_unit(struct mixer_build *state, 
int unitid)
+ 
+ static void snd_usb_mixer_free(struct usb_mixer_interface *mixer)
+ {
++      /* kill pending URBs */
++      snd_usb_mixer_disconnect(mixer);
++
+       kfree(mixer->id_elems);
+       if (mixer->urb) {
+               kfree(mixer->urb->transfer_buffer);
+@@ -2578,8 +2581,13 @@ int snd_usb_create_mixer(struct snd_usb_audio *chip, 
int ctrlif,
+ 
+ void snd_usb_mixer_disconnect(struct usb_mixer_interface *mixer)
+ {
+-      usb_kill_urb(mixer->urb);
+-      usb_kill_urb(mixer->rc_urb);
++      if (mixer->disconnected)
++              return;
++      if (mixer->urb)
++              usb_kill_urb(mixer->urb);
++      if (mixer->rc_urb)
++              usb_kill_urb(mixer->rc_urb);
++      mixer->disconnected = true;
+ }
+ 
+ #ifdef CONFIG_PM
+diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h
+index 2b4b067646ab..545d99b09706 100644
+--- a/sound/usb/mixer.h
++++ b/sound/usb/mixer.h
+@@ -22,6 +22,8 @@ struct usb_mixer_interface {
+       struct urb *rc_urb;
+       struct usb_ctrlrequest *rc_setup_packet;
+       u8 rc_buffer[6];
++
++      bool disconnected;
+ };
+ 
+ #define MAX_CHANNELS  16      /* max logical channels */
+diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
+index 83cdc0a61fd6..88a484c273e8 100644
+--- a/tools/perf/builtin-script.c
++++ b/tools/perf/builtin-script.c
+@@ -578,7 +578,7 @@ static void print_sample_brstack(struct perf_sample 
*sample,
+                       thread__find_addr_map(thread, sample->cpumode, 
MAP__FUNCTION, to, &alt);
+               }
+ 
+-              printf("0x%"PRIx64, from);
++              printf(" 0x%"PRIx64, from);
+               if (PRINT_FIELD(DSO)) {
+                       printf("(");
+                       map__fprintf_dsoname(alf.map, stdout);
+@@ -673,7 +673,7 @@ static void print_sample_brstackoff(struct perf_sample 
*sample,
+               if (alt.map && !alt.map->dso->adjust_symbols)
+                       to = map__map_ip(alt.map, to);
+ 
+-              printf("0x%"PRIx64, from);
++              printf(" 0x%"PRIx64, from);
+               if (PRINT_FIELD(DSO)) {
+                       printf("(");
+                       map__fprintf_dsoname(alf.map, stdout);

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