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[Luis Henriques <luis.henriques@xxxxxxxxxxxxx>]

** Changed in: linux (Ubuntu Wily)
       Status: New => Fix Committed

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https://bugs.launchpad.net/bugs/1514889

Title:
  Wily update to v4.2.6 stable release

Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Wily:
  Fix Committed

Bug description:
  SRU Justification

      Impact:
         The upstream process for stable tree updates is quite similar
         in scope to the Ubuntu SRU process, e.g., each patch has to
         demonstrably fix a bug, and each patch is vetted by upstream
         by originating either directly from Linus' tree or in a minimally
         backported form of that patch. The v4.2.6 upstream stable
         patch set is now available. It should be included in the Ubuntu
         kernel as well.

         git://git.kernel.org/

      TEST CASE: TBD

         The following patches are in the v4.2.6 stable release:
  mac80211: Fix hwflags debugfs file format
  ath9k: declare required extra tx headroom
  mmc: core: Fix init_card in 52Mhz
  iwlwifi: dvm: fix D3 firmware PN programming
  iwlwifi: fix firmware filename for 3160
  rtlwifi: rtl8821ae: Fix system lockups on boot
  iwlwifi: mvm: clear csa countdown when AP is stopped
  iwlwifi: mvm: fix D3 CCMP TX PN assignment
  iwlwifi: mvm: fix D3 firmware PN programming
  iwlwifi: mvm: init card correctly on ctkill exit check
  iwlwifi: mvm: flush fw_dump_wk when mvm fails to start
  iommu/vt-d: fix range computation when making room for large pages
  iommu/amd: Fix BUG when faulting a PROT_NONE VMA
  iommu/amd: Don't clear DTE flags when modifying it
  powerpc/rtas: Validate rtas.entry before calling enter_rtas()
  drm: fix mutex leak in drm_dp_get_mst_branch_device
  drm: Correct arguments to list_tail_add in create blob ioctl
  drm: crtc: integer overflow in drm_property_create_blob()
  m88ds3103: use own reg update_bits() implementation
  si2157: Bounds check firmware
  si2168: Bounds check firmware
  rtl28xxu: fix control message flaws
  KVM: arm: use GIC support unconditionally
  ALSA: hdac: Explicitly add io.h
  ALSA: hda - Fix inverted internal mic on Lenovo G50-80
  ALSA: hda - Fix deadlock at error in building PCM
  ASoC: Add info callback for SX_TLV controls
  ASoC: wm8904: Correct number of EQ registers
  x86/efi: Fix multiple GOP device support
  x86/ioapic: Prevent NULL pointer dereference in setup_ioapic_dest()
  mm: make sendfile(2) killable
  fault-inject: fix inverted interval/probability values in printk
  tracing: Have stack tracer force RCU to be watching
  bus: arm-ccn: Fix irq affinity setting on CPU migration
  drm/radeon/dpm: don't add pwm attributes if DPM is disabled
  drm/amdgpu: add missing dpm check for KV dpm late init
  drm/i915: Flush pipecontrol post-sync writes
  drm/i915: Restore lost DPLL register write on gen2-4
  drm/i915: Deny wrapping an userptr into a framebuffer
  drm/radeon: don't try to recreate sysfs entries on resume
  drm/amdgpu: don't try to recreate sysfs entries on resume
  drm/radeon: fix dpms when driver backlight control is disabled
  drm/radeon: move bl encoder assignment into bl init
  iio: mxs-lradc: Fix temperature offset
  iio: st_accel: fix interrupt handling on LIS3LV02
  iio: accel: sca3000: memory corruption in sca3000_read_first_n_hw_rb()
  rbd: require stable pages if message data CRCs are enabled
  rbd: don't leak parent_spec in rbd_dev_probe_parent()
  rbd: prevent kernel stack blow up on rbd map
  ARM: EXYNOS: Fix double of_node_put() when parsing child power domains
  ARM: orion: Fix DSA platform device after mvmdio conversion
  ARM: mvebu: correct a385-db-ap compatible string
  ARM: dts: berlin: change BG2Q's USB PHY compatible
  ARM: dts: Fix audio card detection on Peach boards
  ARM: dts: imx7d: Fix UART2 base address
  ARM: dts: am57xx-beagle-x15: set VDD_SD to always-on
  ARM: ux500: modify initial levelshifter status
  ARM: OMAP1: fix incorrect INT_DMA_LCD
  ARM: 8445/1: fix vdsomunge not to depend on glibc specific byteswap.h
  ARM: 8449/1: fix bug in vdsomunge swab32 macro
  Revert "ARM64: unwind: Fix PC calculation"
  arm64: kernel: fix tcr_el1.t0sz restore on systems with extended idmap
  block: don't release bdi while request_queue has live references
  dm btree remove: fix a bug when rebalancing nodes after removal
  dm cache: the CLEAN_SHUTDOWN flag was not being set
  dm btree: fix leak of bufio-backed block in btree_split_beneath error path
  nvme: fix 32-bit build warning
  Revert "serial: 8250_dma: don't bother DMA with small transfers"
  USB: qcserial: add Sierra Wireless MC74xx/EM74xx
  i2c: mv64xxx: really allow I2C offloading
  clkdev: fix clk_add_alias() with a NULL alias device name
  fbcon: initialize blink interval before calling fb_set_par
  xhci: handle no ping response error properly
  xhci: Add spurious wakeup quirk for LynxPoint-LP controllers
  xen-blkfront: check for null drvdata in blkback_changed (XenbusStateClosing)
  module: Fix locking in symbol_put_addr()
  PCI: Prevent out of bounds access in numa_node override
  ovl: free stack of paths in ovl_fill_super
  ovl: free lower_mnt array in ovl_put_super
  ovl: use O_LARGEFILE in ovl_copy_up()
  ovl: fix dentry reference leak
  ovl: fix open in stacked overlay
  Input: alps - only the Dell Latitude D420/430/620/630 have separate stick button bits
  crypto: api - Only abort operations on fatal signal
  md/raid1: submit_bio_wait() returns 0 on success
  md/raid10: submit_bio_wait() returns 0 on success
  md/raid5: fix locking in handle_stripe_clean_event()
  Revert "md: allow a partially recovered device to be hot-added to an array."
  EDAC, sb_edac: Fix TAD presence check for sbridge_mci_bind_devs()
  irqchip/tegra: Propagate IRQ type setting to parent
  mvsas: Fix NULL pointer dereference in mvs_slot_task_free
  netfilter: ipset: Fix sleeping memory allocation in atomic context
  btrfs: fix possible leak in btrfs_ioctl_balance()
  kvm: irqchip: fix memory leak
  thermal: exynos: Fix register read in TMU
  um: Fix kernel mode fault condition
  blk-mq: fix use-after-free in blk_mq_free_tag_set()
  IB/cm: Fix rb-tree duplicate free and use-after-free
  sched/deadline: Fix migration of SCHED_DEADLINE tasks
  cpufreq: intel_pstate: Fix divide by zero on Knights Landing (KNL)
  arm64: compat: fix stxr failure case in SWP emulation
  NVMe: Fix memory leak on retried commands
  drm/vmwgfx: Fix up user_dmabuf refcounting
  thp: use is_zero_pfn() only after pte_present() check
  pinctrl: baytrail: Serialize all register access
  pinctrl: baytrail: Use raw_spinlock for locking
  xen: fix backport of previous kexec patch
  Linux 4.2.6

  The following patches from 4.2.6 were already present in the wily kernel:
  drm/nouveau/gem: return only valid domain when there's only one
  iwlwifi: pci: add a few more PCI subvendor IDs for the 7265 series

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