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* origin/tmp-da9a92f:
arm64: kaslr: increase randomization granularity
arm64: relocatable: deal with physically misaligned kernel images
arm64: don't map TEXT_OFFSET bytes below the kernel if we can avoid it
arm64: kernel: replace early 64-bit literal loads with move-immediates
arm64: introduce mov_q macro to move a constant into a 64-bit register
arm64: kernel: perform relocation processing from ID map
arm64: kernel: use literal for relocated address of __secondary_switched
arm64: kernel: don't export local symbols from head.S
arm64: simplify kernel segment mapping granularity
arm64: cover the .head.text section in the .text segment mapping
arm64: move early boot code to the .init segment
arm64: use 'segment' rather than 'chunk' to describe mapped kernel regions
arm64: mm: Mark .rodata as RO
Linux 4.4.16
ovl: verify upper dentry before unlink and rename
drm/i915: Revert DisplayPort fast link training feature
tmpfs: fix regression hang in fallocate undo
tmpfs: don't undo fallocate past its last page
crypto: qat - make qat_asym_algs.o depend on asn1 headers
xen/acpi: allow xen-acpi-processor driver to load on Xen 4.7
File names with trailing period or space need special case conversion
cifs: dynamic allocation of ntlmssp blob
Fix reconnect to not defer smb3 session reconnect long after socket reconnect
53c700: fix BUG on untagged commands
s390: fix test_fp_ctl inline assembly contraints
scsi: fix race between simultaneous decrements of ->host_failed
ovl: verify upper dentry in ovl_remove_and_whiteout()
ovl: Copy up underlying inode's ->i_mode to overlay inode
ARM: mvebu: fix HW I/O coherency related deadlocks
ARM: dts: armada-38x: fix MBUS_ID for crypto SRAM on Armada 385 Linksys
ARM: sunxi/dt: make the CHIP inherit from allwinner,sun5i-a13
ALSA: hda: add AMD Stoney PCI ID with proper driver caps
ALSA: hda - fix use-after-free after module unload
ALSA: ctl: Stop notification after disconnection
ALSA: pcm: Free chmap at PCM free callback, too
ALSA: hda/realtek - add new pin definition in alc225 pin quirk table
ALSA: hda - fix read before array start
ALSA: hda - Add PCI ID for Kabylake-H
ALSA: hda/realtek: Add Lenovo L460 to docking unit fixup
ALSA: timer: Fix negative queue usage by racy accesses
ALSA: echoaudio: Fix memory allocation
ALSA: au88x0: Fix calculation in vortex_wtdma_bufshift()
ALSA: hda / realtek - add two more Thinkpad IDs (5050,5053) for tpt460 fixup
ALSA: hda - Fix the headset mic jack detection on Dell machine
ALSA: dummy: Fix a use-after-free at closing
hwmon: (dell-smm) Cache fan_type() calls and change fan detection
hwmon: (dell-smm) Disallow fan_type() calls on broken machines
hwmon: (dell-smm) Restrict fan control and serial number to CAP_SYS_ADMIN by default
tty/vt/keyboard: fix OOB access in do_compute_shiftstate()
tty: vt: Fix soft lockup in fbcon cursor blink timer.
iio:ad7266: Fix probe deferral for vref
iio:ad7266: Fix support for optional regulators
iio:ad7266: Fix broken regulator error handling
iio: accel: kxsd9: fix the usage of spi_w8r8()
staging: iio: accel: fix error check
iio: hudmidity: hdc100x: fix incorrect shifting and scaling
iio: humidity: hdc100x: fix IIO_TEMP channel reporting
iio: humidity: hdc100x: correct humidity integration time mask
iio: proximity: as3935: fix buffer stack trashing
iio: proximity: as3935: remove triggered buffer processing
iio: proximity: as3935: correct IIO_CHAN_INFO_RAW output
iio: light apds9960: Add the missing dev.parent
iio:st_pressure: fix sampling gains (bring inline with ABI)
iio: Fix error handling in iio_trigger_attach_poll_func
xen/balloon: Fix declared-but-not-defined warning
perf/x86: Fix undefined shift on 32-bit kernels
memory: omap-gpmc: Fix omap gpmc EXTRADELAY timing
drm/vmwgfx: Fix error paths when mapping framebuffer
drm/vmwgfx: Delay pinning fbdev framebuffer until after mode set
drm/vmwgfx: Check pin count before attempting to move a buffer
drm/vmwgfx: Work around mode set failure in 2D VMs
drm/vmwgfx: Add an option to change assumed FB bpp
drm/ttm: Make ttm_bo_mem_compat available
drm: atmel-hlcdc: actually disable scaling when no scaling is required
drm: make drm_atomic_set_mode_prop_for_crtc() more reliable
drm: add missing drm_mode_set_crtcinfo call
drm/i915: Update CDCLK_FREQ register on BDW after changing cdclk frequency
drm/i915: Update ifdeffery for mutex->owner
drm/i915: Refresh cached DP port register value on resume
drm/i915/ilk: Don't disable SSC source if it's in use
drm/nouveau/disp/sor/gf119: select correct sor when poking training pattern
drm/nouveau: fix for disabled fbdev emulation
drm/nouveau/fbcon: fix out-of-bounds memory accesses
drm/nouveau/gr/gf100-: update sm error decoding from gk20a nvgpu headers
drm/nouveau/disp/sor/gf119: both links use the same training register
virtio_balloon: fix PFN format for virtio-1
drm/dp/mst: Always clear proposed vcpi table for port.
drm/amdkfd: destroy dbgmgr in notifier release
drm/amdkfd: unbind only existing processes
ubi: Make recover_peb power cut aware
drm/amdgpu/gfx7: fix broken condition check
drm/radeon: fix asic initialization for virtualized environments
btrfs: account for non-CoW'd blocks in btrfs_abort_transaction
percpu: fix synchronization between synchronous map extension and chunk destruction
percpu: fix synchronization between chunk->map_extend_work and chunk destruction
af_unix: fix hard linked sockets on overlay
vfs: add d_real_inode() helper
arm64: Rework valid_user_regs
ipmi: Remove smi_msg from waiting_rcv_msgs list before handle_one_recv_msg()
drm/mgag200: Black screen fix for G200e rev 4
iommu/amd: Fix unity mapping initialization race
iommu/vt-d: Enable QI on all IOMMUs before setting root entry
iommu/arm-smmu: Wire up map_sg for arm-smmu-v3
base: make module_create_drivers_dir race-free
tracing: Handle NULL formats in hold_module_trace_bprintk_format()
HID: multitouch: enable palm rejection for Windows Precision Touchpad
HID: hiddev: validate num_values for HIDIOCGUSAGES, HIDIOCSUSAGES commands
HID: elo: kill not flush the work
KVM: nVMX: VMX instructions: fix segment checks when L1 is in long mode.
kvm: Fix irq route entries exceeding KVM_MAX_IRQ_ROUTES
KEYS: potential uninitialized variable
ARCv2: LLSC: software backoff is NOT needed starting HS2.1c
ARCv2: Check for LL-SC livelock only if LLSC is enabled
ipv6: Fix mem leak in rt6i_pcpu
cdc_ncm: workaround for EM7455 "silent" data interface
net_sched: fix mirrored packets checksum
packet: Use symmetric hash for PACKET_FANOUT_HASH.
sched/fair: Fix cfs_rq avg tracking underflow
UBIFS: Implement ->migratepage()
mm: Export migrate_page_move_mapping and migrate_page_copy
MIPS: KVM: Fix modular KVM under QEMU
ARM: 8579/1: mm: Fix definition of pmd_mknotpresent
ARM: 8578/1: mm: ensure pmd_present only checks the valid bit
ARM: imx6ul: Fix Micrel PHY mask
NFS: Fix another OPEN_DOWNGRADE bug
make nfs_atomic_open() call d_drop() on all ->open_context() errors.
nfsd: check permissions when setting ACLs
posix_acl: Add set_posix_acl
nfsd: Extend the mutex holding region around in nfsd4_process_open2()
nfsd: Always lock state exclusively.
nfsd4/rpc: move backchannel create logic into rpc code
writeback: use higher precision calculation in domain_dirty_limits()
thermal: cpu_cooling: fix improper order during initialization
uvc: Forward compat ioctls to their handlers directly
Revert "gpiolib: Split GPIO flags parsing and GPIO configuration"
x86/amd_nb: Fix boot crash on non-AMD systems
kprobes/x86: Clear TF bit in fault on single-stepping
x86, build: copy ldlinux.c32 to image.iso
locking/static_key: Fix concurrent static_key_slow_inc()
locking/qspinlock: Fix spin_unlock_wait() some more
locking/ww_mutex: Report recursive ww_mutex locking early
of: irq: fix of_irq_get[_byname]() kernel-doc
of: fix autoloading due to broken modalias with no 'compatible'
mnt: If fs_fully_visible fails call put_filesystem.
mnt: Account for MS_RDONLY in fs_fully_visible
mnt: fs_fully_visible test the proper mount for MNT_LOCKED
usb: common: otg-fsm: add license to usb-otg-fsm
USB: EHCI: declare hostpc register as zero-length array
usb: dwc2: fix regression on big-endian PowerPC/ARM systems
powerpc/tm: Always reclaim in start_thread() for exec() class syscalls
powerpc/pseries: Fix IBM_ARCH_VEC_NRCORES_OFFSET since POWER8NVL was added
powerpc/pseries: Fix PCI config address for DDW
powerpc/iommu: Remove the dependency on EEH struct in DDW mechanism
IB/mlx4: Properly initialize GRH TClass and FlowLabel in AHs
IB/cm: Fix a recently introduced locking bug
EDAC, sb_edac: Fix rank lookup on Broadwell
mac80211: Fix mesh estab_plinks counting in STA removal case
mac80211_hwsim: Add missing check for HWSIM_ATTR_SIGNAL
mac80211: mesh: flush mesh paths unconditionally
mac80211: fix fast_tx header alignment
Linux 4.4.15
usb: dwc3: exynos: Fix deferred probing storm.
usb: host: ehci-tegra: Grab the correct UTMI pads reset
usb: gadget: fix spinlock dead lock in gadgetfs
USB: mos7720: delete parport
xhci: Fix handling timeouted commands on hosts in weird states.
USB: xhci: Add broken streams quirk for Frescologic device id 1009
usb: xhci-plat: properly handle probe deferral for devm_clk_get()
xhci: Cleanup only when releasing primary hcd
usb: musb: host: correct cppi dma channel for isoch transfer
usb: musb: Ensure rx reinit occurs for shared_fifo endpoints
usb: musb: Stop bulk endpoint while queue is rotated
usb: musb: only restore devctl when session was set in backup
usb: quirks: Add no-lpm quirk for Acer C120 LED Projector
usb: quirks: Fix sorting
USB: uas: Fix slave queue_depth not being set
crypto: user - re-add size check for CRYPTO_MSG_GETALG
crypto: ux500 - memmove the right size
crypto: vmx - Increase priority of aes-cbc cipher
AX.25: Close socket connection on session completion
bpf: try harder on clones when writing into skb
net: alx: Work around the DMA RX overflow issue
net: macb: fix default configuration for GMAC on AT91
neigh: Explicitly declare RCU-bh read side critical section in neigh_xmit()
bpf, perf: delay release of BPF prog after grace period
sock_diag: do not broadcast raw socket destruction
Bridge: Fix ipv6 mc snooping if bridge has no ipv6 address
ipmr/ip6mr: Initialize the last assert time of mfc entries.
netem: fix a use after free
esp: Fix ESN generation under UDP encapsulation
sit: correct IP protocol used in ipip6_err
net: Don't forget pr_fmt on net_dbg_ratelimited for CONFIG_DYNAMIC_DEBUG
net_sched: fix pfifo_head_drop behavior vs backlog
sdcardfs: Truncate packages_gid.list on overflow
UPSTREAM: cdc_ncm: do not call usbnet_link_change from cdc_ncm_bind
BACKPORT: proc: add /proc/<pid>/timerslack_ns interface
BACKPORT: timer: convert timer_slack_ns from unsigned long to u64
netfilter: xt_quota2: make quota2_log work well
Revert "usb: gadget: prevent change of Host MAC address of 'usb0' interface"
BACKPORT: PM / sleep: Go direct_complete if driver has no callbacks
ANDROID: base-cfg: enable UID_CPUTIME
UPSTREAM: USB: usbfs: fix potential infoleak in devio
UPSTREAM: ALSA: timer: Fix leak in events via snd_timer_user_ccallback
UPSTREAM: ALSA: timer: Fix leak in events via snd_timer_user_tinterrupt
UPSTREAM: ALSA: timer: Fix leak in SNDRV_TIMER_IOCTL_PARAMS
ANDROID: configs: remove unused configs
ANDROID: cpu: send KOBJ_ONLINE event when enabling cpus
ANDROID: dm verity fec: initialize recursion level
ANDROID: dm verity fec: fix RS block calculation
Linux 4.4.14
netfilter: x_tables: introduce and use xt_copy_counters_from_user
netfilter: x_tables: do compat validation via translate_table
netfilter: x_tables: xt_compat_match_from_user doesn't need a retval
netfilter: ip6_tables: simplify translate_compat_table args
netfilter: ip_tables: simplify translate_compat_table args
netfilter: arp_tables: simplify translate_compat_table args
netfilter: x_tables: don't reject valid target size on some architectures
netfilter: x_tables: validate all offsets and sizes in a rule
netfilter: x_tables: check for bogus target offset
netfilter: x_tables: check standard target size too
netfilter: x_tables: add compat version of xt_check_entry_offsets
netfilter: x_tables: assert minimum target size
netfilter: x_tables: kill check_entry helper
netfilter: x_tables: add and use xt_check_entry_offsets
netfilter: x_tables: validate targets of jumps
netfilter: x_tables: don't move to non-existent next rule
drm/core: Do not preserve framebuffer on rmfb, v4.
crypto: qat - fix adf_ctl_drv.c:undefined reference to adf_init_pf_wq
netfilter: x_tables: fix unconditional helper
netfilter: x_tables: make sure e->next_offset covers remaining blob size
netfilter: x_tables: validate e->target_offset early
MIPS: Fix 64k page support for 32 bit kernels.
sparc64: Fix return from trap window fill crashes.
sparc: Harden signal return frame checks.
sparc64: Take ctx_alloc_lock properly in hugetlb_setup().
sparc64: Reduce TLB flushes during hugepte changes
sparc/PCI: Fix for panic while enabling SR-IOV
sparc64: Fix sparc64_set_context stack handling.
sparc64: Fix numa node distance initialization
sparc64: Fix bootup regressions on some Kconfig combinations.
sparc: Fix system call tracing register handling.
fix d_walk()/non-delayed __d_free() race
sched: panic on corrupted stack end
proc: prevent stacking filesystems on top
x86/entry/traps: Don't force in_interrupt() to return true in IST handlers
wext: Fix 32 bit iwpriv compatibility issue with 64 bit Kernel
ecryptfs: forbid opening files without mmap handler
memcg: add RCU locking around css_for_each_descendant_pre() in memcg_offline_kmem()
parisc: Fix pagefault crash in unaligned __get_user() call
pinctrl: mediatek: fix dual-edge code defect
powerpc/pseries: Add POWER8NVL support to ibm,client-architecture-support call
powerpc: Use privileged SPR number for MMCR2
powerpc: Fix definition of SIAR and SDAR registers
powerpc/pseries/eeh: Handle RTAS delay requests in configure_bridge
arm64: mm: always take dirty state from new pte in ptep_set_access_flags
arm64: Provide "model name" in /proc/cpuinfo for PER_LINUX32 tasks
crypto: ccp - Fix AES XTS error for request sizes above 4096
crypto: public_key: select CRYPTO_AKCIPHER
irqchip/gic-v3: Fix ICC_SGI1R_EL1.INTID decoding mask
s390/bpf: reduce maximum program size to 64 KB
s390/bpf: fix recache skb->data/hlen for skb_vlan_push/pop
gpio: bcm-kona: fix bcm_kona_gpio_reset() warnings
ARM: fix PTRACE_SETVFPREGS on SMP systems
ALSA: hda/realtek: Add T560 docking unit fixup
ALSA: hda/realtek - Add support for new codecs ALC700/ALC701/ALC703
ALSA: hda/realtek - ALC256 speaker noise issue
ALSA: hda - Fix headset mic detection problem for Dell machine
ALSA: hda - Add PCI ID for Kabylake
KVM: irqfd: fix NULL pointer dereference in kvm_irq_map_gsi
KVM: x86: fix OOPS after invalid KVM_SET_DEBUGREGS
vxlan, gre, geneve: Set a large MTU on ovs-created tunnel devices
geneve: Relax MTU constraints
vxlan: Relax MTU constraints
ipv6: Skip XFRM lookup if dst_entry in socket cache is valid
l2tp: fix configuration passed to setup_udp_tunnel_sock()
bridge: Don't insert unnecessary local fdb entry on changing mac address
tcp: record TLP and ER timer stats in v6 stats
vxlan: Accept user specified MTU value when create new vxlan link
team: don't call netdev_change_features under team->lock
sfc: on MC reset, clear PIO buffer linkage in TXQs
bpf, inode: disallow userns mounts
uapi glibc compat: fix compilation when !__USE_MISC in glibc
udp: prevent skbs lingering in tunnel socket queues
bpf: Use mount_nodev not mount_ns to mount the bpf filesystem
tuntap: correctly wake up process during uninit
switchdev: pass pointer to fib_info instead of copy
tipc: fix nametable publication field in nl compat
netlink: Fix dump skb leak/double free
tipc: check nl sock before parsing nested attributes
scsi: Add QEMU CD-ROM to VPD Inquiry Blacklist
scsi_lib: correctly retry failed zero length REQ_TYPE_FS commands
cs-etm: associating output packet with CPU they executed on
cs-etm: removing unecessary structure field
cs-etm: account for each trace buffer in the queue
cs-etm: avoid casting variable
perf tools: fixing Makefile problems
perf tools: new naming convention for openCSD
perf scripts: Add python scripts for CoreSight traces
perf tools: decoding capailitity for CoreSight traces
perf symbols: Check before overwriting build_id
perf tools: pushing driver configuration down to the kernel
perf tools: add infrastructure for PMU specific configuration
coresight: etm-perf: incorporating sink definition from the cmd line
coresight: adding sink parameter to function coresight_build_path()
perf: passing struct perf_event to function setup_aux()
perf/core: adding PMU driver specific configuration
perf tools: adding coresight etm PMU record capabilities
perf tools: making coresight PMU listable
coresight: tmc: implementing TMC-ETR AUX space API
coresight: Add support for Juno platform
coresight: Handle build path error
coresight: Fix erroneous memset in tmc_read_unprepare_etr
coresight: Fix tmc_read_unprepare_etr
coresight: Fix NULL pointer dereference in _coresight_build_path
ANDROID: dm verity fec: add missing release from fec_ktype
ANDROID: dm verity fec: limit error correction recursion
ANDROID: restrict access to perf events
FROMLIST: security,perf: Allow further restriction of perf_event_open
BACKPORT: perf tools: Document the perf sysctls
Revert "armv6 dcc tty driver"
Revert "arm: dcc_tty: fix armv6 dcc tty build failure"
ARM64: Ignore Image-dtb from git point of view
arm64: add option to build Image-dtb
ANDROID: usb: gadget: f_midi: set fi->f to NULL when free f_midi function
Linux 4.4.13
xfs: handle dquot buffer readahead in log recovery correctly
xfs: print name of verifier if it fails
xfs: skip stale inodes in xfs_iflush_cluster
xfs: fix inode validity check in xfs_iflush_cluster
xfs: xfs_iflush_cluster fails to abort on error
xfs: Don't wrap growfs AGFL indexes
xfs: disallow rw remount on fs with unknown ro-compat features
gcov: disable tree-loop-im to reduce stack usage
scripts/package/Makefile: rpmbuild add support of RPMOPTS
dma-debug: avoid spinlock recursion when disabling dma-debug
PM / sleep: Handle failures in device_suspend_late() consistently
ext4: silence UBSAN in ext4_mb_init()
ext4: address UBSAN warning in mb_find_order_for_block()
ext4: fix oops on corrupted filesystem
ext4: clean up error handling when orphan list is corrupted
ext4: fix hang when processing corrupted orphaned inode list
drm/imx: Match imx-ipuv3-crtc components using device node in platform data
drm/i915: Don't leave old junk in ilk active watermarks on readout
drm/atomic: Verify connector->funcs != NULL when clearing states
drm/fb_helper: Fix references to dev->mode_config.num_connector
drm/i915/fbdev: Fix num_connector references in intel_fb_initial_config()
drm/amdgpu: Fix hdmi deep color support.
drm/amdgpu: use drm_mode_vrefresh() rather than mode->vrefresh
drm/vmwgfx: Fix order of operation
drm/vmwgfx: use vmw_cmd_dx_cid_check for query commands.
drm/vmwgfx: Enable SVGA_3D_CMD_DX_SET_PREDICATION
drm/gma500: Fix possible out of bounds read
sunrpc: fix stripping of padded MIC tokens
xen: use same main loop for counting and remapping pages
xen/events: Don't move disabled irqs
powerpc/eeh: Restore initial state in eeh_pe_reset_and_recover()
Revert "powerpc/eeh: Fix crash in eeh_add_device_early() on Cell"
powerpc/eeh: Don't report error in eeh_pe_reset_and_recover()
powerpc/book3s64: Fix branching to OOL handlers in relocatable kernel
pipe: limit the per-user amount of pages allocated in pipes
QE-UART: add "fsl,t1040-ucc-uart" to of_device_id
wait/ptrace: assume __WALL if the child is traced
mm: use phys_addr_t for reserve_bootmem_region() arguments
media: v4l2-compat-ioctl32: fix missing reserved field copy in put_v4l2_create32
PCI: Disable all BAR sizing for devices with non-compliant BARs
pinctrl: exynos5440: Use off-stack memory for pinctrl_gpio_range
clk: bcm2835: divider value has to be 1 or more
clk: bcm2835: pll_off should only update CM_PLL_ANARST
clk: at91: fix check of clk_register() returned value
clk: bcm2835: Fix PLL poweron
cpuidle: Fix cpuidle_state_is_coupled() argument in cpuidle_enter()
cpuidle: Indicate when a device has been unregistered
PM / Runtime: Fix error path in pm_runtime_force_resume()
mfd: intel_soc_pmic_core: Terminate panel control GPIO lookup table correctly
mfd: intel-lpss: Save register context on suspend
hwmon: (ads7828) Enable internal reference
aacraid: Fix for KDUMP driver hang
aacraid: Fix for aac_command_thread hang
aacraid: Relinquish CPU during timeout wait
rtlwifi: pci: use dev_kfree_skb_irq instead of kfree_skb in rtl_pci_reset_trx_ring
rtlwifi: Fix logic error in enter/exit power-save mode
rtlwifi: btcoexist: Implement antenna selection
rtlwifi: rtl8723be: Add antenna select module parameter
hwrng: exynos - Fix unbalanced PM runtime put on timeout error path
ath5k: Change led pin configuration for compaq c700 laptop
ath10k: fix kernel panic, move arvifs list head init before htt init
ath10k: fix rx_channel during hw reconfigure
ath10k: fix firmware assert in monitor mode
ath10k: fix debugfs pktlog_filter write
ath9k: Fix LED polarity for some Mini PCI AR9220 MB92 cards.
ath9k: Add a module parameter to invert LED polarity.
ARM: dts: imx35: restore existing used clock enumeration
ARM: dts: exynos: Add interrupt line to MAX8997 PMIC on exynos4210-trats
ARM: dts: at91: fix typo in sama5d2 PIN_PD24 description
ARM: mvebu: fix GPIO config on the Linksys boards
Input: uinput - handle compat ioctl for UI_SET_PHYS
ASoC: ak4642: Enable cache usage to fix crashes on resume
affs: fix remount failure when there are no options changed
MIPS: VDSO: Build with `-fno-strict-aliasing'
MIPS: lib: Mark intrinsics notrace
MIPS: Build microMIPS VDSO for microMIPS kernels
MIPS: Fix sigreturn via VDSO on microMIPS kernel
MIPS: ptrace: Prevent writes to read-only FCSR bits
MIPS: ptrace: Fix FP context restoration FCSR regression
MIPS: Disable preemption during prctl(PR_SET_FP_MODE, ...)
MIPS: Prevent "restoration" of MSA context in non-MSA kernels
MIPS: Fix MSA ld_*/st_* asm macros to use PTR_ADDU
MIPS: Use copy_s.fmt rather than copy_u.fmt
MIPS: Loongson-3: Reserve 32MB for RS780E integrated GPU
MIPS: Reserve nosave data for hibernation
MIPS: ath79: make bootconsole wait for both THRE and TEMT
MIPS: Sync icache & dcache in set_pte_at
MIPS: Handle highmem pages in __update_cache
MIPS: Flush highmem pages in __flush_dcache_page
MIPS: Fix watchpoint restoration
MIPS: Fix uapi include in exported asm/siginfo.h
MIPS: Fix siginfo.h to use strict posix types
MIPS: Avoid using unwind_stack() with usermode
MIPS: Don't unwind to user mode with EVA
MIPS: MSA: Fix a link error on `_init_msa_upper' with older GCC
MIPS: math-emu: Fix jalr emulation when rd == $0
MIPS64: R6: R2 emulation bugfix
coresight: etb10: adjust read pointer only when needed
coresight: configuring ETF in FIFO mode when acting as link
coresight: tmc: implementing TMC-ETF AUX space API
coresight: moving struct cs_buffers to header file
coresight: tmc: keep track of memory width
coresight: tmc: make sysFS and Perf mode mutually exclusive
coresight: tmc: dump system memory content only when needed
coresight: tmc: adding mode of operation for link/sinks
coresight: tmc: getting rid of multiple read access
coresight: tmc: allocating memory when needed
coresight: tmc: making prepare/unprepare functions generic
coresight: tmc: splitting driver in ETB/ETF and ETR components
coresight: tmc: cleaning up header file
coresight: tmc: introducing new header file
coresight: tmc: clearly define number of transfers per burst
coresight: tmc: re-implementing tmc_read_prepare/unprepare() functions
coresight: tmc: waiting for TMCReady bit before programming
coresight: tmc: modifying naming convention
coresight: tmc: adding sysFS management entries
coresight: etm4x: add tracer ID for A72 Maia processor.
coresight: etb10: fixing the right amount of words to read
coresight: stm: adding driver for CoreSight STM component
coresight: adding path for STM device
coresight: etm4x: modify q_support type
coresight: no need to do the forced type conversion
coresight: removing gratuitous boot time log messages
coresight: etb10: splitting sysFS "status" entry
coresight: moving coresight_simple_func() to header file
coresight: etm4x: implementing the perf PMU API
coresight: etm4x: implementing user/kernel mode tracing
coresight: etm4x: moving etm_drvdata::enable to atomic field
coresight: etm4x: unlocking tracers in default arch init
coresight: etm4x: splitting etmv4 default configuration
coresight: etm4x: splitting struct etmv4_drvdata
coresight: etm4x: adding config and traceid registers
coresight: etm4x: moving sysFS entries to a dedicated file
stm class: Support devices that override software assigned masters
stm class: Remove unnecessary pointer increment
stm class: Fix stm device initialization order
stm class: Do not leak the chrdev in error path
stm class: Remove a pointless line
stm class: stm_heartbeat: Make nr_devs parameter read-only
stm class: dummy_stm: Make nr_dummies parameter read-only
MAINTAINERS: Add a git tree for the stm class
perf/ring_buffer: Document AUX API usage
perf/core: Free AUX pages in unmap path
perf/ring_buffer: Refuse to begin AUX transaction after rb->aux_mmap_count drops
perf auxtrace: Add perf_evlist pointer to *info_priv_size()
perf session: Simplify tool stubs
perf inject: Hit all DSOs for AUX data in JIT and other cases
perf tools: tracepoint_error() can receive e=NULL, robustify it
perf evlist: Make perf_evlist__open() open evsels with their cpus and threads (like perf record does)
perf evsel: Introduce disable() method
perf cpumap: Auto initialize cpu__max_{node,cpu}
drivers/hwtracing: make coresight-etm-perf.c explicitly non-modular
drivers/hwtracing: make coresight-* explicitly non-modular
coresight: introducing a global trace ID function
coresight: etm-perf: new PMU driver for ETM tracers
coresight: etb10: implementing AUX API
coresight: etb10: adding operation mode for sink->enable()
coresight: etb10: moving to local atomic operations
coresight: etm3x: implementing perf_enable/disable() API
coresight: etm3x: implementing user/kernel mode tracing
coresight: etm3x: consolidating initial config
coresight: etm3x: changing default trace configuration
coresight: etm3x: set progbit to stop trace collection
coresight: etm3x: adding operation mode for etm_enable()
coresight: etm3x: splitting struct etm_drvdata
coresight: etm3x: unlocking tracers in default arch init
coresight: etm3x: moving sysFS entries to dedicated file
coresight: etm3x: moving etm_readl/writel to header file
coresight: moving PM runtime operations to core framework
coresight: add API to get sink from path
coresight: associating path with session rather than tracer
coresight: etm4x: Check every parameter used by dma_xx_coherent.
coresight: "DEVICE_ATTR_RO" should defined as static.
coresight: implementing 'cpu_id()' API
coresight: removing bind/unbind options from sysfs
coresight: remove csdev's link from topology
coresight: release reference taken by 'bus_find_device()'
coresight: coresight_unregister() function cleanup
coresight: fixing lockdep error
coresight: fixing indentation problem
coresight: Fix a typo in Kconfig
coresight: checking for NULL string in coresight_name_match()
perf/core: Disable the event on a truncated AUX record
perf/core: Don't leak event in the syscall error path
perf/core: Fix perf_sched_count derailment
stm class: dummy_stm: Add link callback for fault injection
stm class: Plug stm device's unlink callback
stm class: Fix a race in unlinking
stm class: Fix unbalanced module/device refcounting
stm class: Guard output assignment against concurrency
stm class: Fix unlocking braino in the error path
stm class: Add heartbeat stm source device
stm class: dummy_stm: Create multiple devices
stm class: Support devices with multiple instances
stm class: Use driver's packet callback return value
stm class: Prevent user-controllable allocations
stm class: Fix link list locking
stm class: Fix locking in unbinding policy path
stm class: Select CONFIG_SRCU
stm class: Hide STM-specific options if STM is disabled
perf: Synchronously free aux pages in case of allocation failure
Linux 4.4.12
kbuild: move -Wunused-const-variable to W=1 warning level
Revert "scsi: fix soft lockup in scsi_remove_target() on module removal"
scsi: Add intermediate STARGET_REMOVE state to scsi_target_state
hpfs: implement the show_options method
hpfs: fix remount failure when there are no options changed
UBI: Fix static volume checks when Fastmap is used
SIGNAL: Move generic copy_siginfo() to signal.h
thunderbolt: Fix double free of drom buffer
IB/srp: Fix a debug kernel crash
ALSA: hda - Fix headset mic detection problem for one Dell machine
ALSA: hda/realtek - Add support for ALC295/ALC3254
ALSA: hda - Fix headphone noise on Dell XPS 13 9360
ALSA: hda/realtek - New codecs support for ALC234/ALC274/ALC294
mcb: Fixed bar number assignment for the gdd
clk: bcm2835: add locking to pll*_on/off methods
locking,qspinlock: Fix spin_is_locked() and spin_unlock_wait()
serial: samsung: Reorder the sequence of clock control when call s3c24xx_serial_set_termios()
serial: 8250_mid: recognize interrupt source in handler
serial: 8250_mid: use proper bar for DNV platform
serial: 8250_pci: fix divide error bug if baud rate is 0
Fix OpenSSH pty regression on close
tty/serial: atmel: fix hardware handshake selection
TTY: n_gsm, fix false positive WARN_ON
tty: vt, return error when con_startup fails
xen/x86: actually allocate legacy interrupts on PV guests
KVM: x86: mask CPUID(0xD,0x1).EAX against host value
MIPS: KVM: Fix timer IRQ race when writing CP0_Compare
MIPS: KVM: Fix timer IRQ race when freezing timer
KVM: x86: fix ordering of cr0 initialization code in vmx_cpu_reset
KVM: MTRR: remove MSR 0x2f8
staging: comedi: das1800: fix possible NULL dereference
usb: gadget: udc: core: Fix argument of dev_err() in usb_gadget_map_request()
USB: leave LPM alone if possible when binding/unbinding interface drivers
usb: misc: usbtest: fix pattern tests for scatterlists.
usb: f_mass_storage: test whether thread is running before starting another
usb: gadget: f_fs: Fix EFAULT generation for async read operations
USB: serial: option: add even more ZTE device ids
USB: serial: option: add more ZTE device ids
USB: serial: option: add support for Cinterion PH8 and AHxx
USB: serial: io_edgeport: fix memory leaks in probe error path
USB: serial: io_edgeport: fix memory leaks in attach error path
USB: serial: quatech2: fix use-after-free in probe error path
USB: serial: keyspan: fix use-after-free in probe error path
USB: serial: mxuport: fix use-after-free in probe error path
mei: bus: call mei_cl_read_start under device lock
mei: amthif: discard not read messages
mei: fix NULL dereferencing during FW initiated disconnection
Bluetooth: vhci: Fix race at creating hci device
Bluetooth: vhci: purge unhandled skbs
Bluetooth: vhci: fix open_timeout vs. hdev race
mmc: sdhci-pci: Remove MMC_CAP_BUS_WIDTH_TEST for Intel controllers
mmc: longer timeout for long read time quirk
dell-rbtn: Ignore ACPI notifications if device is suspended
ACPI / osi: Fix an issue that acpi_osi=!* cannot disable ACPICA internal strings
mmc: sdhci-acpi: Remove MMC_CAP_BUS_WIDTH_TEST for Intel controllers
mmc: mmc: Fix partition switch timeout for some eMMCs
can: fix handling of unmodifiable configuration options
irqchip/gic-v3: Configure all interrupts as non-secure Group-1
irqchip/gic: Ensure ordering between read of INTACK and shared data
Input: pwm-beeper - fix - scheduling while atomic
mfd: omap-usb-tll: Fix scheduling while atomic BUG
sched/loadavg: Fix loadavg artifacts on fully idle and on fully loaded systems
clk: qcom: msm8916: Fix crypto clock flags
crypto: sun4i-ss - Replace spinlock_bh by spin_lock_irq{save|restore}
crypto: talitos - fix ahash algorithms registration
crypto: caam - fix caam_jr_alloc() ret code
ring-buffer: Prevent overflow of size in ring_buffer_resize()
ring-buffer: Use long for nr_pages to avoid overflow failures
asix: Fix offset calculation in asix_rx_fixup() causing slow transmissions
fs/cifs: correctly to anonymous authentication for the NTLM(v2) authentication
fs/cifs: correctly to anonymous authentication for the NTLM(v1) authentication
fs/cifs: correctly to anonymous authentication for the LANMAN authentication
fs/cifs: correctly to anonymous authentication via NTLMSSP
remove directory incorrectly tries to set delete on close on non-empty directories
kvm: arm64: Fix EC field in inject_abt64
arm/arm64: KVM: Enforce Break-Before-Make on Stage-2 page tables
arm64: cpuinfo: Missing NULL terminator in compat_hwcap_str
arm64: Implement pmdp_set_access_flags() for hardware AF/DBM
arm64: Implement ptep_set_access_flags() for hardware AF/DBM
arm64: Ensure pmd_present() returns false after pmd_mknotpresent()
arm64: Fix typo in the pmdp_huge_get_and_clear() definition
ext4: iterate over buffer heads correctly in move_extent_per_page()
perf test: Fix build of BPF and LLVM on older glibc libraries
perf/core: Fix perf_event_open() vs. execve() race
perf/x86/intel/pt: Generate PMI in the STOP region as well
Btrfs: don't use src fd for printk
UPSTREAM: mac80211: fix "warning: ‘target_metric’ may be used uninitialized"
Revert "drivers: power: use 'current' instead of 'get_current()'"
cpufreq: interactive: drop cpufreq_{get,put}_global_kobject func calls
Revert "cpufreq: interactive: build fixes for 4.4"
xt_qtaguid: Fix panic caused by processing non-full socket.
fiq_debugger: Add fiq_debugger.disable option
UPSTREAM: procfs: fixes pthread cross-thread naming if !PR_DUMPABLE
FROMLIST: wlcore: Disable filtering in AP role
Revert "drivers: power: Add watchdog timer to catch drivers which lockup during suspend."
fiq_debugger: Add option to apply uart overlay by FIQ_DEBUGGER_UART_OVERLAY
Revert "Recreate asm/mach/mmc.h include file"
Revert "ARM: Add 'card_present' state to mmc_platfrom_data"
usb: dual-role: make stub functions inline
Revert "mmc: Add status IRQ and status callback function to mmc platform data"
quick selinux support for tracefs
Revert "hid-multitouch: Filter collections by application usage."
Revert "HID: steelseries: validate output report details"
xt_qtaguid: Fix panic caused by synack processing
Revert "mm: vmscan: Add a debug file for shrinkers"
Revert "SELinux: Enable setting security contexts on rootfs inodes."
Revert "SELinux: build fix for 4.1"
fuse: Add support for d_canonical_path
vfs: change d_canonical_path to take two paths
android: recommended.cfg: remove CONFIG_UID_STAT
netfilter: xt_qtaguid: seq_printf fixes
Revert "misc: uidstat: Adding uid stat driver to collect network statistics."
Revert "net: activity_stats: Add statistics for network transmission activity"
Revert "net: activity_stats: Stop using obsolete create_proc_read_entry api"
Revert "misc: uidstat: avoid create_stat() race and blockage."
Revert "misc: uidstat: Remove use of obsolete create_proc_read_entry api"
Revert "misc seq_printf fixes for 4.4"
Revert "misc: uid_stat: Include linux/atomic.h instead of asm/atomic.h"
Revert "net: socket ioctl to reset connections matching local address"
Revert "net: fix iterating over hashtable in tcp_nuke_addr()"
Revert "net: fix crash in tcp_nuke_addr()"
Revert "Don't kill IPv4 sockets when killing IPv6 sockets was requested."
Revert "tcp: Fix IPV6 module build errors"
android: base-cfg: remove CONFIG_SWITCH
Revert "switch: switch class and GPIO drivers."
Revert "drivers: switch: remove S_IWUSR from dev_attr"
ANDROID: base-cfg: enable CONFIG_IP_NF_NAT
BACKPORT: selinux: restrict kernel module loading
android: base-cfg: enable CONFIG_QUOTA
Conflicts:
Documentation/sysctl/kernel.txt
drivers/cpufreq/cpufreq_interactive.c
drivers/hwtracing/coresight/Kconfig
drivers/hwtracing/coresight/Makefile
drivers/hwtracing/coresight/coresight-etm4x.c
drivers/hwtracing/coresight/coresight-etm4x.h
drivers/hwtracing/coresight/coresight-priv.h
drivers/hwtracing/coresight/coresight-stm.c
drivers/hwtracing/coresight/coresight-tmc.c
drivers/mmc/core/core.c
include/linux/coresight-stm.h
include/linux/coresight.h
include/linux/msm_mdp.h
include/uapi/linux/coresight-stm.h
kernel/events/core.c
kernel/sched/fair.c
net/Makefile
net/ipv4/netfilter/arp_tables.c
net/ipv4/netfilter/ip_tables.c
net/ipv4/tcp.c
net/ipv6/netfilter/ip6_tables.c
net/netfilter/xt_quota2.c
sound/core/pcm.c
Change-Id: I17aa0002815014e9bddc47e67769a53c15768a99
Signed-off-by: Runmin Wang <runminw@codeaurora.org>
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commit ea1d39a31d3b1b6060b6e83e5a29c069a124c68a upstream.
Fix warning about tainted kernel because usb-otg-fsm has no license.
WARNING: with this patch usb-otg-fsm module can be loaded
but then the kernel will hang. Tested with a udoo quad board.
Signed-off-by: Oscar <oscar@naiandei.net>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 23e3439296a55affce3ef0ab78f1c2e03aec8767 upstream.
A patch that went into Linux-4.4 to fix big-endian mode on a Lantiq
MIPS system unfortunately broke big-endian operation on PowerPC
APM82181 as reported by Christian Lamparter, and likely other
systems.
It actually introduced multiple issues:
- it broke big-endian ARM kernels: any machine that was working
correctly with a little-endian kernel is no longer using byteswaps
on big-endian kernels, which clearly breaks them.
- On PowerPC the same thing must be true: if it was working before,
using big-endian kernels is now broken. Unlike ARM, 32-bit PowerPC
usually uses big-endian kernels, so they are likely all broken.
- The barrier for dwc2_writel is on the wrong side of the __raw_writel(),
so the MMIO no longer synchronizes with DMA operations.
- On architectures that require specific CPU instructions for MMIO
access, using the __raw_ variant may turn this into a pointer
dereference that does not have the same effect as the readl/writel.
This patch is a simple revert for all architectures other than MIPS,
in the hope that we can more easily backport it to fix the regression
on PowerPC and ARM systems without breaking the Lantiq system again.
We should follow this up with a more elaborate change to add runtime
detection of endianness, to make sure it also works on all other
combinations of architectures and implementations of the usb-dwc2
device. That patch however will be fairly large and not appropriate
for backports to stable kernels.
Felipe suggested a different approach, using an endianness switching
register to always put the device into LE mode, but unfortunately
the dwc2 hardware does not provide a generic way to do that. Also,
I see no practical way of addressing the problem more generally by
patching architecture specific code on MIPS.
Fixes: 95c8bc360944 ("usb: dwc2: Use platform endianness when accessing registers")
Acked-by: John Youn <johnyoun@synopsys.com>
Tested-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 4879efb34f7d49235fac334d76d9c6a77a021413 upstream.
dwc3-exynos has two problems during init if the regulators are slow
to come up (for instance if the I2C bus driver is not on the initramfs)
and return probe deferral. First, every time this happens, the driver
leaks the USB phys created; they need to be deallocated on error.
Second, since the phy devices are created before the regulators fail,
this means that there's a new device to re-trigger deferred probing,
which causes it to essentially go into a busy loop of re-probing the
device until the regulators come up.
Move the phy creation to after the regulators have succeeded, and also
fix cleanup on failure. On my ODROID XU4 system (with Debian's initramfs
which doesn't contain the I2C driver), this reduces the number of probe
attempts (for each of the two controllers) from more than 2000 to eight.
Signed-off-by: Steinar H. Gunderson <sesse@google.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Vivek Gautam <gautam.vivek@samsung.com>
Fixes: d720f057fda4 ("usb: dwc3: exynos: add nop transceiver support")
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f8a15a9650694feaa0dabf197b0c94d37cd3fb42 upstream.
There are three EHCI controllers on Tegra SoCs, each with its own reset
line. However, the first controller contains a set of UTMI configuration
registers that are shared with its siblings. These registers will only
be reset as part of the first controller's reset. For proper operation
it must be ensured that the UTMI configuration registers are reset
before any of the EHCI controllers are enabled, irrespective of the
probe order.
Commit a47cc24cd1e5 ("USB: EHCI: tegra: Fix probe order issue leading to
broken USB") introduced code that ensures the first controller is always
reset before setting up any of the controllers, and is never again reset
afterwards.
This code, however, grabs the wrong reset. Each EHCI controller has two
reset controls attached: 1) the USB controller reset and 2) the UTMI
pads reset (really the first controller's reset). In order to reset the
UTMI pads registers the code must grab the second reset, but instead it
grabbing the first.
Fixes: a47cc24cd1e5 ("USB: EHCI: tegra: Fix probe order issue leading to broken USB")
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit d246dcb2331c5783743720e6510892eb1d2801d9 upstream.
[ 40.467381] =============================================
[ 40.473013] [ INFO: possible recursive locking detected ]
[ 40.478651] 4.6.0-08691-g7f3db9a #37 Not tainted
[ 40.483466] ---------------------------------------------
[ 40.489098] usb/733 is trying to acquire lock:
[ 40.493734] (&(&dev->lock)->rlock){-.....}, at: [<bf129288>] ep0_complete+0x18/0xdc [gadgetfs]
[ 40.502882]
[ 40.502882] but task is already holding lock:
[ 40.508967] (&(&dev->lock)->rlock){-.....}, at: [<bf12a420>] ep0_read+0x20/0x5e0 [gadgetfs]
[ 40.517811]
[ 40.517811] other info that might help us debug this:
[ 40.524623] Possible unsafe locking scenario:
[ 40.524623]
[ 40.530798] CPU0
[ 40.533346] ----
[ 40.535894] lock(&(&dev->lock)->rlock);
[ 40.540088] lock(&(&dev->lock)->rlock);
[ 40.544284]
[ 40.544284] *** DEADLOCK ***
[ 40.544284]
[ 40.550461] May be due to missing lock nesting notation
[ 40.550461]
[ 40.557544] 2 locks held by usb/733:
[ 40.561271] #0: (&f->f_pos_lock){+.+.+.}, at: [<c02a6114>] __fdget_pos+0x40/0x48
[ 40.569219] #1: (&(&dev->lock)->rlock){-.....}, at: [<bf12a420>] ep0_read+0x20/0x5e0 [gadgetfs]
[ 40.578523]
[ 40.578523] stack backtrace:
[ 40.583075] CPU: 0 PID: 733 Comm: usb Not tainted 4.6.0-08691-g7f3db9a #37
[ 40.590246] Hardware name: Generic AM33XX (Flattened Device Tree)
[ 40.596625] [<c010ffbc>] (unwind_backtrace) from [<c010c1bc>] (show_stack+0x10/0x14)
[ 40.604718] [<c010c1bc>] (show_stack) from [<c04207fc>] (dump_stack+0xb0/0xe4)
[ 40.612267] [<c04207fc>] (dump_stack) from [<c01886ec>] (__lock_acquire+0xf68/0x1994)
[ 40.620440] [<c01886ec>] (__lock_acquire) from [<c0189528>] (lock_acquire+0xd8/0x238)
[ 40.628621] [<c0189528>] (lock_acquire) from [<c06ad6b4>] (_raw_spin_lock_irqsave+0x38/0x4c)
[ 40.637440] [<c06ad6b4>] (_raw_spin_lock_irqsave) from [<bf129288>] (ep0_complete+0x18/0xdc [gadgetfs])
[ 40.647339] [<bf129288>] (ep0_complete [gadgetfs]) from [<bf10a728>] (musb_g_giveback+0x118/0x1b0 [musb_hdrc])
[ 40.657842] [<bf10a728>] (musb_g_giveback [musb_hdrc]) from [<bf108768>] (musb_g_ep0_queue+0x16c/0x188 [musb_hdrc])
[ 40.668772] [<bf108768>] (musb_g_ep0_queue [musb_hdrc]) from [<bf12a944>] (ep0_read+0x544/0x5e0 [gadgetfs])
[ 40.678963] [<bf12a944>] (ep0_read [gadgetfs]) from [<c0284470>] (__vfs_read+0x20/0x110)
[ 40.687414] [<c0284470>] (__vfs_read) from [<c0285324>] (vfs_read+0x88/0x114)
[ 40.694864] [<c0285324>] (vfs_read) from [<c0286150>] (SyS_read+0x44/0x9c)
[ 40.702051] [<c0286150>] (SyS_read) from [<c0107820>] (ret_fast_syscall+0x0/0x1c)
This is caused by the spinlock bug in ep0_read().
Fix the two other deadlock sources in gadgetfs_setup() too.
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit dcb21ad4385731b7fc3ef39d255685f2f63c8c5d upstream.
parport subsystem has introduced parport_del_port() to delete a port
when it is going away. Without parport_del_port() the registered port
will not be unregistered.
To reproduce and verify the error:
Command to be used is : ls /sys/bus/parport/devices
1) without the device attached there is no output as there is no
registered parport.
2) Attach the device, and the command will show "parport0".
3) Remove the device and the command still shows "parport0".
4) Attach the device again and we get "parport1".
With the patch applied:
1) without the device attached there is no output as there is no
registered parport.
2) Attach the device, and the command will show "parport0".
3) Remove the device and there is no output as "parport0" is now
removed.
4) Attach device again to get "parport0" again.
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 3425aa03f484d45dc21e0e791c2f6c74ea656421 upstream.
If commands timeout we mark them for abortion, then stop the command
ring, and turn the commands to no-ops and finally restart the command
ring.
If the host is working properly the no-op commands will finish and
pending completions are called.
If we notice the host is failing, driver clears the command ring and
completes, deletes and frees all pending commands.
There are two separate cases reported where host is believed to work
properly but is not. In the first case we successfully stop the ring
but no abort or stop command ring event is ever sent and host locks up.
The second case is if a host is removed, command times out and driver
believes the ring is stopped, and assumes it will be restarted, but
actually ends up timing out on the same command forever.
If one of the pending commands has the xhci->mutex held it will block
xhci_stop() in the remove codepath which otherwise would cleanup pending
commands.
Add a check that clears all pending commands in case host is removed,
or we are stuck timing out on the same command. Also restart the
command timeout timer when stopping the command ring to ensure we
recive an ring stop/abort event.
Tested-by: Joe Lawrence <joe.lawrence@stratus.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit d95815ba6a0f287213118c136e64d8c56daeaeab upstream.
I got one of these cards for testing uas with, it seems that with streams
it dma-s all over the place, corrupting memory. On my first tests it
managed to dma over the BIOS of the motherboard somehow and completely
bricked it.
Tests on another motherboard show that it does work with streams disabled.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit de95c40d5beaa47f6dc8fe9ac4159b4672b51523 upstream.
On some platforms, the clocks might be registered by a platform
driver. When this is the case, the clock platform driver may very well
be probed after xhci-plat, in which case the first probe() invocation
of xhci-plat will receive -EPROBE_DEFER as the return value of
devm_clk_get().
The current code handles that as a normal error, and simply assumes
that this means that the system doesn't have a clock for the XHCI
controller, and continues probing without calling
clk_prepare_enable(). Unfortunately, this doesn't work on systems
where the XHCI controller does have a clock, but that clock is
provided by another platform driver. In order to fix this situation,
we handle the -EPROBE_DEFER error condition specially, and abort the
XHCI controller probe(). It will be retried later automatically, the
clock will be available, devm_clk_get() will succeed, and the probe()
will continue with the clock prepared and enabled as expected.
In practice, such issue is seen on the ARM64 Marvell 7K/8K platform,
where the clocks are registered by a platform driver.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 27a41a83ec54d0edfcaf079310244e7f013a7701 upstream.
Under stress occasions some TI devices might not return early when
reading the status register during the quirk invocation of xhci_irq made
by usb_hcd_pci_remove. This means that instead of returning, we end up
handling this interruption in the middle of a shutdown. Since
xhci->event_ring has already been freed in xhci_mem_cleanup, we end up
accessing freed memory, causing the Oops below.
commit 8c24d6d7b09d ("usb: xhci: stop everything on the first call to
xhci_stop") is the one that changed the instant in which we clean up the
event queue when stopping a device. Before, we didn't call
xhci_mem_cleanup at the first time xhci_stop is executed (for the shared
HCD), instead, we only did it after the invocation for the primary HCD,
much later at the removal path. The code flow for this oops looks like
this:
xhci_pci_remove()
usb_remove_hcd(xhci->shared)
xhci_stop(xhci->shared)
xhci_halt()
xhci_mem_cleanup(xhci); // Free the event_queue
usb_hcd_pci_remove(primary)
xhci_irq() // Access the event_queue if STS_EINT is set. Crash.
xhci_stop()
xhci_halt()
// return early
The fix modifies xhci_stop to only cleanup the xhci data when releasing
the primary HCD. This way, we still have the event_queue configured
when invoking xhci_irq. We still halt the device on the first call to
xhci_stop, though.
I could reproduce this issue several times on the mainline kernel by
doing a bind-unbind stress test with a specific storage gadget attached.
I also ran the same test over-night with my patch applied and didn't
observe the issue anymore.
[ 113.334124] Unable to handle kernel paging request for data at address 0x00000028
[ 113.335514] Faulting instruction address: 0xd00000000d4f767c
[ 113.336839] Oops: Kernel access of bad area, sig: 11 [#1]
[ 113.338214] SMP NR_CPUS=1024 NUMA PowerNV
[c000000efe47ba90] c000000000720850 usb_hcd_irq+0x50/0x80
[c000000efe47bac0] c00000000073d328 usb_hcd_pci_remove+0x68/0x1f0
[c000000efe47bb00] d00000000daf0128 xhci_pci_remove+0x78/0xb0
[xhci_pci]
[c000000efe47bb30] c00000000055cf70 pci_device_remove+0x70/0x110
[c000000efe47bb70] c00000000061c6bc __device_release_driver+0xbc/0x190
[c000000efe47bba0] c00000000061c7d0 device_release_driver+0x40/0x70
[c000000efe47bbd0] c000000000619510 unbind_store+0x120/0x150
[c000000efe47bc20] c0000000006183c4 drv_attr_store+0x64/0xa0
[c000000efe47bc60] c00000000039f1d0 sysfs_kf_write+0x80/0xb0
[c000000efe47bca0] c00000000039e14c kernfs_fop_write+0x18c/0x1f0
[c000000efe47bcf0] c0000000002e962c __vfs_write+0x6c/0x190
[c000000efe47bd90] c0000000002eab40 vfs_write+0xc0/0x200
[c000000efe47bde0] c0000000002ec85c SyS_write+0x6c/0x110
[c000000efe47be30] c000000000009260 system_call+0x38/0x108
Signed-off-by: Gabriel Krisman Bertazi <krisman@linux.vnet.ibm.com>
Cc: Roger Quadros <rogerq@ti.com>
Cc: joel@jms.id.au
Reviewed-by: Roger Quadros <rogerq@ti.com>
Tested-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 04471eb8c3158c0ad9df4b24da845a63b2e8f23a upstream.
Incorrect cppi dma channel is referenced in musb_rx_dma_iso_cppi41(),
which causes kernel NULL pointer reference oops later when calling
cppi41_dma_channel_program().
Fixes: 069a3fd (usb: musb: Remove ifdefs for musb_host_rx in musb_host.c
part1)
Reported-by: Matwey V. Kornilov <matwey@sai.msu.ru>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f3eec0cf784e0d6c47822ca6b66df3d5812af7e6 upstream.
shared_fifo endpoints would only get a previous tx state cleared
out, the rx state was only cleared for non shared_fifo endpoints
Change this so that the rx state is cleared for all endpoints.
This addresses an issue that resulted in rx packets being dropped
silently.
Signed-off-by: Andrew Goodbody <andrew.goodbody@cambrionix.com>
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 7b2c17f829545df27a910e8d82e133c21c9a8c9c upstream.
Ensure that the endpoint is stopped by clearing REQPKT before
clearing DATAERR_NAKTIMEOUT before rotating the queue on the
dedicated bulk endpoint.
This addresses an issue where a race could result in the endpoint
receiving data before it was reprogrammed resulting in a warning
about such data from musb_rx_reinit before it was thrown away.
The data thrown away was a valid packet that had been correctly
ACKed which meant the host and device got out of sync.
Signed-off-by: Andrew Goodbody <andrew.goodbody@cambrionix.com>
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 84ac5d1140f716a616522f952734e850448d2556 upstream.
If the session bit was not set in the backup of devctl register,
restoring devctl would clear the session bit. Therefor, only restore
devctl register when the session bit was set in the backup.
This solves the device enumeration failure in otg mode exposed by commit
56f487c (PM / Runtime: Update last_busy in rpm_resume).
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 32cb0b37098f4beeff5ad9e325f11b42a6ede56c upstream.
The Acer C120 LED Projector is a USB-3 connected pico projector which
takes both its power and video data from USB-3.
In combination with some hubs this device does not play well with
lpm, so disable lpm for it.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 81099f97bd31e25ff2719a435b1860fc3876122f upstream.
Properly sort all the entries by vendor id.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 593224ea77b1ca842f45cf76f4deeef44dfbacd1 upstream.
Commit 198de51dbc34 ("USB: uas: Limit qdepth at the scsi-host level")
removed the scsi_change_queue_depth() call from uas_slave_configure()
assuming that the slave would inherit the host's queue_depth, which
that commit sets to the same value.
This is incorrect, without the scsi_change_queue_depth() call the slave's
queue_depth defaults to 1, introducing a performance regression.
This commit restores the call, fixing the performance regression.
Fixes: 198de51dbc34 ("USB: uas: Limit qdepth at the scsi-host level")
Reported-by: Tom Yan <tom.ty89@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This reverts commit 265801537d110eb68d44a2f66015479908f635c0.
Signed-off-by: Badhri Jagan Sridharan <Badhri@google.com>
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(cherry pick from commit 681fef8380eb818c0b845fca5d2ab1dcbab114ee)
The stack object “ci” has a total size of 8 bytes. Its last 3 bytes
are padding bytes which are not initialized and leaked to userland
via “copy_to_user”.
Signed-off-by: Kangjie Lu <kjlu@gatech.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Bug: 28619695
Change-Id: I170754d659d0891c075f85211b5e3970b114f097
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fi->f is set in f_midi's alloc_func, need to clean this to
NULL in free_func, otherwise on ConfigFS's function switch,
midi->usb_function it self is freed, fi->f will be a wild
pointer and run into below kernel panic:
---------------
[ 58.950628] Unable to handle kernel paging request at virtual address 63697664
[ 58.957869] pgd = c0004000
[ 58.960583] [63697664] *pgd=00000000
[ 58.964185] Internal error: Oops: 80000005 [#1] PREEMPT SMP ARM
[ 58.970111] Modules linked in:
[ 58.973191] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.1.15-03504-g34c857c-dirty #89
[ 58.981024] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
[ 58.987557] task: c110bd70 ti: c1100000 task.ti: c1100000
[ 58.992962] PC is at 0x63697664
[ 58.996120] LR is at android_setup+0x78/0x138
<..snip..>
[ 60.044980] 1fc0: ffffffff ffffffff c1000684 00000000 00000000 c108ecd0 c11f7294 c11039c0
[ 60.053181] 1fe0: c108eccc c110d148 1000406a 412fc09a 00000000 1000807c 00000000 00000000
[ 60.061420] [<c073b1fc>] (android_setup) from [<c0730490>] (udc_irq+0x758/0x1034)
[ 60.068951] [<c0730490>] (udc_irq) from [<c017c650>] (handle_irq_event_percpu+0x50/0x254)
[ 60.077165] [<c017c650>] (handle_irq_event_percpu) from [<c017c890>] (handle_irq_event+0x3c/0x5c)
[ 60.086072] [<c017c890>] (handle_irq_event) from [<c017f3ec>] (handle_fasteoi_irq+0xe0/0x198)
[ 60.094630] [<c017f3ec>] (handle_fasteoi_irq) from [<c017bcfc>] (generic_handle_irq+0x2c/0x3c)
[ 60.103271] [<c017bcfc>] (generic_handle_irq) from [<c017bfb8>] (__handle_domain_irq+0x7c/0xec)
[ 60.112000] [<c017bfb8>] (__handle_domain_irq) from [<c0101450>] (gic_handle_irq+0x24/0x5c)
--------------
Signed-off-by: Winter Wang <wente.wang@nxp.com>
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commit 5096c4d3bfa75bdd23c78f799aabd08598afb48f upstream.
The argument of dev_err() in usb_gadget_map_request() should be dev
instead of &gadget->dev.
Fixes: 7ace8fc ("usb: gadget: udc: core: Fix argument of dma_map_single for IOMMU")
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 6fb650d43da3e7054984dc548eaa88765a94d49f upstream.
When a USB driver is bound to an interface (either through probing or
by claiming it) or is unbound from an interface, the USB core always
disables Link Power Management during the transition and then
re-enables it afterward. The reason is because the driver might want
to prevent hub-initiated link power transitions, in which case the HCD
would have to recalculate the various LPM parameters. This
recalculation takes place when LPM is re-enabled and the new
parameters are sent to the device and its parent hub.
However, if the driver does not want to prevent hub-initiated link
power transitions then none of this work is necessary. The parameters
don't need to be recalculated, and LPM doesn't need to be disabled and
re-enabled.
It turns out that disabling and enabling LPM can be time-consuming,
enough so that it interferes with user programs that want to claim and
release interfaces rapidly via usbfs. Since the usbfs kernel driver
doesn't set the disable_hub_initiated_lpm flag, we can speed things up
and get the user programs to work by leaving LPM alone whenever the
flag isn't set.
And while we're improving the way disable_hub_initiated_lpm gets used,
let's also fix its kerneldoc.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Matthew Giassa <matthew@giassa.net>
CC: Mathias Nyman <mathias.nyman@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit cdc77c82a8286b1181b81b6e5ef60c8e83ded7bc upstream.
The current implemenentation restart the sent pattern for each entry in
the sg list. The receiving end expects a continuous pattern, and test
will fail unless scatterilst entries happen to be aligned with the
pattern
Fix this by calculating the pattern byte based on total sent size
instead of just the current sg entry.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Fixes: 8b5249019352 ("[PATCH] USB: usbtest: scatterlist OUT data pattern testing")
Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f78bbcae86e676fad9e6c6bb6cd9d9868ba23696 upstream.
When binding the function to usb_configuration, check whether the thread
is running before starting another one. Without that, when function
instance is added to multiple configurations, fsg_bing starts multiple
threads with all but the latest one being forgotten by the driver. This
leads to obvious thread leaks, possible lockups when trying to halt the
machine and possible more issues.
This fixes issues with legacy/multi¹ gadget as well as configfs gadgets
when mass_storage function is added to multiple configurations.
This change also simplifies API since the legacy gadgets no longer need
to worry about starting the thread by themselves (which was where bug
in legacy/multi was in the first place).
N.B., this patch doesn’t address adding single mass_storage function
instance to a single configuration twice. Thankfully, there’s no
legitimate reason for such setup plus, if I’m not mistaken, configfs
gadget doesn’t even allow it to be expressed.
¹ I have no example failure though. Conclusion that legacy/multi has
a bug is based purely on me reading the code.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Tested-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 332a5b446b7916d272c2a659a3b20909ce34d2c1 upstream.
In the current implementation functionfs generates a EFAULT for async read
operations if the read buffer size is larger than the URB data size. Since
a application does not necessarily know how much data the host side is
going to send it typically supplies a buffer larger than the actual data,
which will then result in a EFAULT error.
This behaviour was introduced while refactoring the code to use iov_iter
interface in commit c993c39b8639 ("gadget/function/f_fs.c: use put iov_iter
into io_data"). The original code took the minimum over the URB size and
the user buffer size and then attempted to copy that many bytes using
copy_to_user(). If copy_to_user() could not copy all data a EFAULT error
was generated. Restore the original behaviour by only generating a EFAULT
error when the number of bytes copied is not the size of the URB and the
target buffer has not been fully filled.
Commit 342f39a6c8d3 ("usb: gadget: f_fs: fix check in read operation")
already fixed the same problem for the synchronous read path.
Fixes: c993c39b8639 ("gadget/function/f_fs.c: use put iov_iter into io_data")
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 74d2a91aec97ab832790c9398d320413ad185321 upstream.
Add even more ZTE device ids.
Signed-off-by: lei liu <liu.lei78@zte.com.cn>
[johan: rebase and replace commit message ]
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f0d09463c59c2d764a6c6d492cbe6d2c77f27153 upstream.
More ZTE device ids.
Signed-off-by: lei liu <liu.lei78@zte.com.cn>
[properly sort them - gregkh]
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 444f94e9e625f6ec6bbe2cb232a6451c637f35a3 upstream.
Added support for Gemalto's Cinterion PH8 and AHxx products
with 2 RmNet Interfaces and products with 1 RmNet + 1 USB Audio interface.
In addition some minor renaming and formatting.
Signed-off-by: Hans-Christoph Schemmel <hans-christoph.schemmel@gemalto.com>
[johan: sort current entries and trim trailing whitespace ]
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c8d62957d450cc1a22ce3242908709fe367ddc8e upstream.
URBs and buffers allocated in attach for Epic devices would never be
deallocated in case of a later probe error (e.g. failure to allocate
minor numbers) as disconnect is then never called.
Fix by moving deallocation to release and making sure that the
URBs are first unlinked.
Fixes: f9c99bb8b3a1 ("USB: usb-serial: replace shutdown with disconnect,
release")
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c5c0c55598cefc826d6cfb0a417eeaee3631715c upstream.
Private data, URBs and buffers allocated for Epic devices during
attach were never released on errors (e.g. missing endpoints).
Fixes: 6e8cf7751f9f ("USB: add EPIC support to the io_edgeport driver")
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 028c49f5e02a257c94129cd815f7c8485f51d4ef upstream.
The interface read URB is submitted in attach, but was only unlinked by
the driver at disconnect.
In case of a late probe error (e.g. due to failed minor allocation),
disconnect is never called and we would end up with active URBs for an
unbound interface. This in turn could lead to deallocated memory being
dereferenced in the completion callback.
Fixes: f7a33e608d9a ("USB: serial: add quatech2 usb to serial driver")
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 35be1a71d70775e7bd7e45fa6d2897342ff4c9d2 upstream.
The interface instat and indat URBs were submitted in attach, but never
unlinked in release before deallocating the corresponding transfer
buffers.
In the case of a late probe error (e.g. due to failed minor allocation),
disconnect would not have been called before release, causing the
buffers to be freed while the URBs are still in use. We'd also end up
with active URBs for an unbound interface.
Fixes: f9c99bb8b3a1 ("USB: usb-serial: replace shutdown with disconnect,
release")
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 9e45284984096314994777f27e1446dfbfd2f0d7 upstream.
The interface read and event URBs are submitted in attach, but were
never explicitly unlinked by the driver. Instead the URBs would have
been killed by usb-serial core on disconnect.
In case of a late probe error (e.g. due to failed minor allocation),
disconnect is never called and we could end up with active URBs for an
unbound interface. This in turn could lead to deallocated memory being
dereferenced in the completion callbacks.
Fixes: ee467a1f2066 ("USB: serial: add Moxa UPORT 12XX/14XX/16XX
driver")
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Only call an SVID handler's disconnect function only if it was
previously connected, i.e. when the state machine had proceeded
received a successful DISCOVER_SVIDs response. This helps to
avoid excessive notification to SVID clients.
While at it, require that .connect and .disconnect callbacks
are supplied during registration. This helps to eliminate NULL
checks each time they are called.
Change-Id: I030153a6b2106a6504ed51b5cb00a27f842e2488
Signed-off-by: Jack Pham <jackp@codeaurora.org>
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Add a queue to store messages in the phy_msg_received() callback.
This eliminates the call to flush_work() and allows for more
robust handling of incoming messages especially if they arrive
while the usbpd_sm work function is in progress.
In particular this fixes a bug seen when a REQUEST message is
received just after sending a SRC_CAPABILITIES, but since there
may not be a previous message, flush_work() is not called, and the
end of usbpd_sm() overwrites pd->rx_msg_type and pd->rx_msg_len
to 0. As a result, when usbpd_sm() is run again, it will see no
message and proceed to SRC_HARD_RESET.
Change-Id: I4510f91e7d23ab161517c13702462da4ec8d7a2e
Signed-off-by: Jack Pham <jackp@codeaurora.org>
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Upon host bus reset driver draws 0mA and switches
to higher value 900/500 mA after moving to configured
state. This causes a glitch in the led and battery icon
status. Hence request to draw 100mA to void the glitch.
Change-Id: Id570e427d40d08e29cad7cb74be426bf218d00ee
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
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Controller driver explicitly puts the controller in low power mode
when cable disconnected. However, due to config-fs and ADB design
which unbinds composition on every cable disconnect results in
detaching/stopping gadget driver on every cable disconnect. Gadget
stop will explicitly brings the controller out of low power mode to
disable events and ep0 which is not necessary as controller is
already in low power mode. These operations are not required for
composition switch as well because gadget pull-up call back will
take care of that. Hence, Remove disabling events and ep0 from stop
gadget callback.
Change-Id: If2b3e241076a4e0eeb87eeb4361398313fca6962
Signed-off-by: Vamsi Krishna Samavedam <vskrishn@codeaurora.org>
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Memory core and memory peripheral blocks should remain
on upon host bus suspend otherwise XHCI controller
fails to respond to XHCI commands upon host bus resume.
These memory blocks will be turned off only upon stopping
host mode or vbus off in device mode.
Change-Id: I1f53c9536b6896111707b77954d2b6cf4d227db8
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
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During system suspend, usb_suspend() will get called for
both root hub instances and in the choose_wakeup() routine
it will find that device_may_wakeup() returns false. If
the busses were previously runtime suspended then
udev->do_remote_wakeup would be set, but since it conflicts
with the wakeup setting being false, the routine has to
first runtime resume the devices in order to change the
remote wakeup setting. This causes unnecessary delay
as it interrupts the system suspend sequence.
Since the host already does support remote wakeup, enable the
per-device wakeup settings for both the hcd root hub instances
in order to avoid the mismatch during choose_wakeup() which
will allow usb_suspend() to proceed without any unnecessary
resume.
Change-Id: I619272c5d0439427061541f5658cfd305a4ebd46
Signed-off-by: Jack Pham <jackp@codeaurora.org>
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