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Change-Id: I126075a330f305c85f8fe1b8c9d408f368be95d1
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https://android.googlesource.com/kernel/common into lineage-18.1-caf-msm8998
This brings LA.UM.9.2.r1-02700-SDMxx0.0 up to date with
https://android.googlesource.com/kernel/common/ android-4.4-p at commit:
f5978a07daf67 Merge 4.4.267 into android-4.4-p
Conflicts:
arch/alpha/include/asm/Kbuild
drivers/mmc/core/mmc.c
drivers/usb/gadget/configfs.c
Change-Id: I978d923e97c18f284edbd32c0c19ac70002f7d83
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commit 1b5ab825d9acc0f27d2f25c6252f3526832a9626 upstream.
A WARN_ON(wdev->conn) would trigger in cfg80211_sme_connect(), if multiple
send_msg(NL80211_CMD_CONNECT) system calls are made from the userland, which
should be anticipated and handled by the wireless driver. Remove this WARN_ON()
to prevent kernel panic if kernel is configured to "panic_on_warn".
Bug reported by syzbot.
Reported-by: syzbot+5f9392825de654244975@syzkaller.appspotmail.com
Signed-off-by: Du Cheng <ducheng2@gmail.com>
Link: https://lore.kernel.org/r/20210407162756.6101-1-ducheng2@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This enum is already perfectly aliased to enum nl80211_band, and
the only reason for it is that we get IEEE80211_NUM_BANDS out of
it. There's no really good reason to not declare the number of
bands in nl80211 though, so do that and remove the cfg80211 one.
Change-Id: Ifc56e6297146c9095432b757fabd0c463d7cc583
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Bug: 62057517
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Link: https://android.googlesource.com/kernel/msm/+/56f601d6bb9e51c3c8a79a5f40878b8d1e6ff481
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
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Disconnect or deauthenticate when the owning socket is closed if this
flag is supplied to CMD_CONNECT or CMD_ASSOCIATE. This may be used
to ensure userspace daemon doesn't leave an unmanaged connection behind.
In some situations it would be possible to account for that, to some
degree, in the deamon restart code or in the up/down scripts without
the use of this attribute. But there will be systems where the daemon
can go away for varying periods without a warning due to local resource
management.
Signed-off-by: Andrew Zaborowski <andrew.zaborowski@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Git-commit: 36a554cec119bbd20c4ec0cb96bd4712d124bfea
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/jberg/
mac80211-next.git
Change-Id: Ic09ee323fc6215059d5c2572ba3e77c56addad32
CRs-Fixed: 2182553
Signed-off-by: Srinivas Dasari <dasaris@codeaurora.org>
Signed-off-by: Jiachao Wu <jiacwu@codeaurora.org>
Signed-off-by: Min Liu <minliu@codeaurora.org>
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Fix the uninitialized variables used, NULL pointer dereference,
and potential array OOB.
Change-Id: I0787eaa377bf2bd29d5ddeabafa8f4e1c6a81919
CRs-Fixed: 2272639
Signed-off-by: Guisen Yang <guiseny@codeaurora.org>
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Enhance nl80211 and cfg80211 connect request and response APIs to
support FILS shared key authentication offload. The new nl80211
attributes can be used to provide additional information to the driver
to establish a FILS connection. Also enhance the set/del PMKSA to allow
support for adding and deleting PMKSA based on FILS cache identifier.
Add a new feature flag that drivers can use to advertize support for
FILS shared key authentication and association in station mode when
using their own SME.
Change-Id: I75d47301b767e691d6240fd6c20c28b9bfaaa571
Signed-off-by: Vidyullatha Kanchanapally <vkanchan@qti.qualcomm.com>
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Git-commit: a3caf7440dedd2399f90f27ff11ac390bf03e6c4
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
CRs-Fixed: 2028536
[vidyullatha@codeaurora.org: backport to kernel 4.4 - This commit includes
the changes from following commits in include/uapi/linux/nl80211.h to
compile for msm-4.4 -
4a4b8169501b18c3450ac735a7e277b24886a651 :
cfg80211: Accept multiple RSSI thresholds for CQM]
Signed-off-by: Vidyullatha Kanchanapally <vidyullatha@codeaurora.org>
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Currently the connect event from driver takes all the connection
response parameters as arguments. With support for new features these
response parameters can grow. Use a structure to pass these parameters
rather than passing them as function arguments.
Signed-off-by: Vidyullatha Kanchanapally <vkanchan@qti.qualcomm.com>
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
[add to documentation]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Git-commit: 5349a0f7bfbdd7d81b8418c707dcd1439c714647
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
CRs-Fixed: 2028536
Change-Id: I340a96d052647f79248ef8aa2e0af2b6ba979b2d
Signed-off-by: Vidyullatha Kanchanapally <vidyullatha@codeaurora.org>
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* refs/heads/tmp-26c8156:
Linux 4.4.49
drm/i915: fix use-after-free in page_flip_completed()
ALSA: seq: Don't handle loop timeout at snd_seq_pool_done()
ALSA: seq: Fix race at creating a queue
xen-netfront: Delete rx_refill_timer in xennet_disconnect_backend()
scsi: mpt3sas: disable ASPM for MPI2 controllers
scsi: aacraid: Fix INTx/MSI-x issue with older controllers
scsi: zfcp: fix use-after-free by not tracing WKA port open/close on failed send
netvsc: Set maximum GSO size in the right place
mac80211: Fix adding of mesh vendor IEs
ARM: 8642/1: LPAE: catch pending imprecise abort on unmask
target: Fix COMPARE_AND_WRITE ref leak for non GOOD status
target: Fix early transport_generic_handle_tmr abort scenario
target: Use correct SCSI status during EXTENDED_COPY exception
target: Don't BUG_ON during NodeACL dynamic -> explicit conversion
ARM: 8643/3: arm/ptrace: Preserve previous registers for short regset write
hns: avoid stack overflow with CONFIG_KASAN
cpumask: use nr_cpumask_bits for parsing functions
Revert "x86/ioapic: Restore IO-APIC irq_chip retrigger callback"
selinux: fix off-by-one in setprocattr
ARC: [arcompact] brown paper bag bug in unaligned access delay slot fixup
Linux 4.4.48
base/memory, hotplug: fix a kernel oops in show_valid_zones()
x86/irq: Make irq activate operations symmetric
USB: serial: option: add device ID for HP lt2523 (Novatel E371)
usb: gadget: f_fs: Assorted buffer overflow checks.
USB: Add quirk for WORLDE easykey.25 MIDI keyboard
USB: serial: pl2303: add ATEN device ID
USB: serial: qcserial: add Dell DW5570 QDL
KVM: x86: do not save guest-unsupported XSAVE state
HID: wacom: Fix poor prox handling in 'wacom_pl_irq'
percpu-refcount: fix reference leak during percpu-atomic transition
mmc: sdhci: Ignore unexpected CARD_INT interrupts
can: bcm: fix hrtimer/tasklet termination in bcm op removal
mm, fs: check for fatal signals in do_generic_file_read()
mm/memory_hotplug.c: check start_pfn in test_pages_in_a_zone()
cifs: initialize file_info_lock
zswap: disable changing params if init fails
svcrpc: fix oops in absence of krb5 module
NFSD: Fix a null reference case in find_or_create_lock_stateid()
powerpc: Add missing error check to prom_find_boot_cpu()
powerpc/eeh: Fix wrong flag passed to eeh_unfreeze_pe()
libata: apply MAX_SEC_1024 to all CX1-JB*-HP devices
ata: sata_mv:- Handle return value of devm_ioremap.
perf/core: Fix PERF_RECORD_MMAP2 prot/flags for anonymous memory
crypto: arm64/aes-blk - honour iv_out requirement in CBC and CTR modes
crypto: api - Clear CRYPTO_ALG_DEAD bit before registering an alg
drm/nouveau/nv1a,nv1f/disp: fix memory clock rate retrieval
drm/nouveau/disp/gt215: Fix HDA ELD handling (thus, HDMI audio) on gt215
ext4: validate s_first_meta_bg at mount time
PCI/ASPM: Handle PCI-to-PCIe bridges as roots of PCIe hierarchies
ANDROID: security: export security_path_chown()
Linux 4.4.47
net: dsa: Bring back device detaching in dsa_slave_suspend()
qmi_wwan/cdc_ether: add device ID for HP lt2523 (Novatel E371) WWAN card
af_unix: move unix_mknod() out of bindlock
r8152: don't execute runtime suspend if the tx is not empty
bridge: netlink: call br_changelink() during br_dev_newlink()
tcp: initialize max window for a new fastopen socket
ipv6: addrconf: Avoid addrconf_disable_change() using RCU read-side lock
net: phy: bcm63xx: Utilize correct config_intr function
net: fix harmonize_features() vs NETIF_F_HIGHDMA
ax25: Fix segfault after sock connection timeout
ravb: do not use zero-length alignment DMA descriptor
openvswitch: maintain correct checksum state in conntrack actions
tcp: fix tcp_fastopen unaligned access complaints on sparc
net: systemport: Decouple flow control from __bcm_sysport_tx_reclaim
net: ipv4: fix table id in getroute response
net: lwtunnel: Handle lwtunnel_fill_encap failure
mlxsw: pci: Fix EQE structure definition
mlxsw: switchx2: Fix memory leak at skb reallocation
mlxsw: spectrum: Fix memory leak at skb reallocation
r8152: fix the sw rx checksum is unavailable
ANDROID: sdcardfs: Switch strcasecmp for internal call
ANDROID: sdcardfs: switch to full_name_hash and qstr
ANDROID: sdcardfs: Add GID Derivation to sdcardfs
ANDROID: sdcardfs: Remove redundant operation
ANDROID: sdcardfs: add support for user permission isolation
ANDROID: sdcardfs: Refactor configfs interface
ANDROID: sdcardfs: Allow non-owners to touch
ANDROID: binder: fix format specifier for type binder_size_t
ANDROID: fs: Export vfs_rmdir2
ANDROID: fs: Export free_fs_struct and set_fs_pwd
ANDROID: mnt: remount should propagate to slaves of slaves
ANDROID: sdcardfs: Switch ->d_inode to d_inode()
ANDROID: sdcardfs: Fix locking issue with permision fix up
ANDROID: sdcardfs: Change magic value
ANDROID: sdcardfs: Use per mount permissions
ANDROID: sdcardfs: Add gid and mask to private mount data
ANDROID: sdcardfs: User new permission2 functions
ANDROID: vfs: Add setattr2 for filesystems with per mount permissions
ANDROID: vfs: Add permission2 for filesystems with per mount permissions
ANDROID: vfs: Allow filesystems to access their private mount data
ANDROID: mnt: Add filesystem private data to mount points
ANDROID: sdcardfs: Move directory unlock before touch
ANDROID: sdcardfs: fix external storage exporting incorrect uid
ANDROID: sdcardfs: Added top to sdcardfs_inode_info
ANDROID: sdcardfs: Switch package list to RCU
ANDROID: sdcardfs: Fix locking for permission fix up
ANDROID: sdcardfs: Check for other cases on path lookup
ANDROID: sdcardfs: override umask on mkdir and create
Linux 4.4.46
mm, memcg: do not retry precharge charges
platform/x86: intel_mid_powerbtn: Set IRQ_ONESHOT
pinctrl: broxton: Use correct PADCFGLOCK offset
s5k4ecgx: select CRC32 helper
IB/umem: Release pid in error and ODP flow
IB/ipoib: move back IB LL address into the hard header
drm/i915: Don't leak edid in intel_crt_detect_ddc()
SUNRPC: cleanup ida information when removing sunrpc module
NFSv4.0: always send mode in SETATTR after EXCLUSIVE4
nfs: Don't increment lock sequence ID after NFS4ERR_MOVED
parisc: Don't use BITS_PER_LONG in userspace-exported swab.h header
ARC: [arcompact] handle unaligned access delay slot corner case
ARC: udelay: fix inline assembler by adding LP_COUNT to clobber list
can: ti_hecc: add missing prepare and unprepare of the clock
can: c_can_pci: fix null-pointer-deref in c_can_start() - set device pointer
s390/ptrace: Preserve previous registers for short regset write
RDMA/cma: Fix unknown symbol when CONFIG_IPV6 is not enabled
ISDN: eicon: silence misleading array-bounds warning
sysctl: fix proc_doulongvec_ms_jiffies_minmax()
mm/mempolicy.c: do not put mempolicy before using its nodemask
drm: Fix broken VT switch with video=1366x768 option
tile/ptrace: Preserve previous registers for short regset write
fbdev: color map copying bounds checking
Linux 4.4.45
arm64: avoid returning from bad_mode
selftest/powerpc: Wrong PMC initialized in pmc56_overflow test
dmaengine: pl330: Fix runtime PM support for terminated transfers
ite-cir: initialize use_demodulator before using it
blackfin: check devm_pinctrl_get() for errors
ARM: 8613/1: Fix the uaccess crash on PB11MPCore
ARM: ux500: fix prcmu_is_cpu_in_wfi() calculation
ARM: dts: imx6qdl-nitrogen6_max: fix sgtl5000 pinctrl init
arm64/ptrace: Reject attempts to set incomplete hardware breakpoint fields
arm64/ptrace: Avoid uninitialised struct padding in fpr_set()
arm64/ptrace: Preserve previous registers for short regset write - 3
arm64/ptrace: Preserve previous registers for short regset write - 2
arm64/ptrace: Preserve previous registers for short regset write
ARM: dts: da850-evm: fix read access to SPI flash
ceph: fix bad endianness handling in parse_reply_info_extra
ARM: 8634/1: hw_breakpoint: blacklist Scorpion CPUs
svcrdma: avoid duplicate dma unmapping during error recovery
clocksource/exynos_mct: Clear interrupt when cpu is shut down
ubifs: Fix journal replay wrt. xattr nodes
qla2xxx: Fix crash due to null pointer access
x86/ioapic: Restore IO-APIC irq_chip retrigger callback
mtd: nand: xway: disable module support
ieee802154: atusb: do not use the stack for buffers to make them DMA able
mmc: mxs-mmc: Fix additional cycles after transmission stop
HID: corsair: fix control-transfer error handling
HID: corsair: fix DMA buffers on stack
PCI: Enumerate switches below PCI-to-PCIe bridges
fuse: clear FR_PENDING flag when moving requests out of pending queue
svcrpc: don't leak contexts on PROC_DESTROY
x86/PCI: Ignore _CRS on Supermicro X8DTH-i/6/iF/6F
tmpfs: clear S_ISGID when setting posix ACLs
ARM: dts: imx31: fix AVIC base address
ARM: dts: imx31: move CCM device node to AIPS2 bus devices
ARM: dts: imx31: fix clock control module interrupts description
perf scripting: Avoid leaking the scripting_context variable
IB/IPoIB: Remove can't use GFP_NOIO warning
IB/mlx4: When no DMFS for IPoIB, don't allow NET_IF QPs
IB/mlx4: Fix port query for 56Gb Ethernet links
IB/mlx4: Fix out-of-range array index in destroy qp flow
IB/mlx4: Set traffic class in AH
IB/mlx5: Wait for all async command completions to complete
ftrace/x86: Set ftrace_stub to weak to prevent gcc from using short jumps to it
Linux 4.4.44
pinctrl: sh-pfc: Do not unconditionally support PIN_CONFIG_BIAS_DISABLE
powerpc/ibmebus: Fix device reference leaks in sysfs interface
powerpc/ibmebus: Fix further device reference leaks
bus: vexpress-config: fix device reference leak
blk-mq: Always schedule hctx->next_cpu
ACPI / APEI: Fix NMI notification handling
block: cfq_cpd_alloc() should use @gfp
cpufreq: powernv: Disable preemption while checking CPU throttling state
NFSv4.1: nfs4_fl_prepare_ds must be careful about reporting success.
NFS: Fix a performance regression in readdir
pNFS: Fix race in pnfs_wait_on_layoutreturn
pinctrl: meson: fix gpio request disabling other modes
btrfs: fix error handling when run_delayed_extent_op fails
btrfs: fix locking when we put back a delayed ref that's too new
x86/cpu: Fix bootup crashes by sanitizing the argument of the 'clearcpuid=' command-line option
USB: serial: ch341: fix modem-control and B0 handling
USB: serial: ch341: fix resume after reset
drm/radeon: drop verde dpm quirks
sysctl: Drop reference added by grab_header in proc_sys_readdir
sysrq: attach sysrq handler correctly for 32-bit kernel
tty/serial: atmel_serial: BUG: stop DMA from transmitting in stop_tx
mnt: Protect the mountpoint hashtable with mount_lock
vme: Fix wrong pointer utilization in ca91cx42_slave_get
xhci: fix deadlock at host remove by running watchdog correctly
i2c: fix kernel memory disclosure in dev interface
i2c: print correct device invalid address
Input: elants_i2c - avoid divide by 0 errors on bad touchscreen data
USB: serial: ch341: fix open and resume after B0
USB: serial: ch341: fix control-message error handling
USB: serial: ch341: fix open error handling
USB: serial: ch341: fix initial modem-control state
USB: serial: kl5kusb105: fix line-state error handling
nl80211: fix sched scan netlink socket owner destruction
KVM: x86: Introduce segmented_write_std
KVM: x86: emulate FXSAVE and FXRSTOR
KVM: x86: add asm_safe wrapper
KVM: x86: add Align16 instruction flag
KVM: x86: flush pending lapic jump label updates on module unload
jump_labels: API for flushing deferred jump label updates
KVM: eventfd: fix NULL deref irqbypass consumer
KVM: x86: fix emulation of "MOV SS, null selector"
mm/hugetlb.c: fix reservation race when freeing surplus pages
ocfs2: fix crash caused by stale lvb with fsdlm plugin
mm: fix devm_memremap_pages crash, use mem_hotplug_{begin, done}
selftests: do not require bash for the generated test
selftests: do not require bash to run netsocktests testcase
Input: i8042 - add Pegatron touchpad to noloop table
Input: xpad - use correct product id for x360w controllers
DEBUG: sched/fair: Fix sched_load_avg_cpu events for task_groups
DEBUG: sched/fair: Fix missing sched_load_avg_cpu events
net: socket: don't set sk_uid to garbage value in ->setattr()
ANDROID: configs: CONFIG_ARM64_SW_TTBR0_PAN=y
UPSTREAM: arm64: Disable PAN on uaccess_enable()
UPSTREAM: arm64: Enable CONFIG_ARM64_SW_TTBR0_PAN
UPSTREAM: arm64: xen: Enable user access before a privcmd hvc call
UPSTREAM: arm64: Handle faults caused by inadvertent user access with PAN enabled
BACKPORT: arm64: Disable TTBR0_EL1 during normal kernel execution
BACKPORT: arm64: Introduce uaccess_{disable,enable} functionality based on TTBR0_EL1
BACKPORT: arm64: Factor out TTBR0_EL1 post-update workaround into a specific asm macro
BACKPORT: arm64: Factor out PAN enabling/disabling into separate uaccess_* macros
UPSTREAM: arm64: alternative: add auto-nop infrastructure
UPSTREAM: arm64: barriers: introduce nops and __nops macros for NOP sequences
Revert "FROMLIST: arm64: Factor out PAN enabling/disabling into separate uaccess_* macros"
Revert "FROMLIST: arm64: Factor out TTBR0_EL1 post-update workaround into a specific asm macro"
Revert "FROMLIST: arm64: Introduce uaccess_{disable,enable} functionality based on TTBR0_EL1"
Revert "FROMLIST: arm64: Disable TTBR0_EL1 during normal kernel execution"
Revert "FROMLIST: arm64: Handle faults caused by inadvertent user access with PAN enabled"
Revert "FROMLIST: arm64: xen: Enable user access before a privcmd hvc call"
Revert "FROMLIST: arm64: Enable CONFIG_ARM64_SW_TTBR0_PAN"
ANDROID: sched/walt: fix build failure if FAIR_GROUP_SCHED=n
Linux 4.4.43
mm/init: fix zone boundary creation
ALSA: usb-audio: Add a quirk for Plantronics BT600
spi: mvebu: fix baudrate calculation for armada variant
ARM: OMAP4+: Fix bad fallthrough for cpuidle
ARM: zynq: Reserve correct amount of non-DMA RAM
powerpc: Fix build warning on 32-bit PPC
ALSA: firewire-tascam: Fix to handle error from initialization of stream data
HID: hid-cypress: validate length of report
net: vrf: do not allow table id 0
net: ipv4: Fix multipath selection with vrf
gro: Disable frag0 optimization on IPv6 ext headers
gro: use min_t() in skb_gro_reset_offset()
gro: Enter slow-path if there is no tailroom
r8152: fix rx issue for runtime suspend
r8152: split rtl8152_suspend function
ipv4: Do not allow MAIN to be alias for new LOCAL w/ custom rules
igmp: Make igmp group member RFC 3376 compliant
drop_monitor: consider inserted data in genlmsg_end
drop_monitor: add missing call to genlmsg_end
net/mlx5: Avoid shadowing numa_node
net/mlx5: Check FW limitations on log_max_qp before setting it
net: stmmac: Fix race between stmmac_drv_probe and stmmac_open
net, sched: fix soft lockup in tc_classify
ipv6: handle -EFAULT from skb_copy_bits
net: vrf: Drop conntrack data after pass through VRF device on Tx
ser_gigaset: return -ENOMEM on error instead of success
netvsc: reduce maximum GSO size
Linux 4.4.42
usb: gadget: composite: always set ep->mult to a sensible value
Revert "usb: gadget: composite: always set ep->mult to a sensible value"
tick/broadcast: Prevent NULL pointer dereference
drm/radeon: Always store CRTC relative radeon_crtc->cursor_x/y values
cx23885-dvb: move initialization of a8293_pdata
net: vxge: avoid unused function warnings
net: ti: cpmac: Fix compiler warning due to type confusion
cred/userns: define current_user_ns() as a function
staging: comedi: dt282x: tidy up register bit defines
powerpc/pci/rpadlpar: Fix device reference leaks
md: MD_RECOVERY_NEEDED is set for mddev->recovery
crypto: arm64/aes-ce - fix for big endian
crypto: arm64/aes-xts-ce: fix for big endian
crypto: arm64/sha1-ce - fix for big endian
crypto: arm64/aes-neon - fix for big endian
crypto: arm64/aes-ccm-ce: fix for big endian
crypto: arm/aes-ce - fix for big endian
crypto: arm64/ghash-ce - fix for big endian
crypto: arm64/sha2-ce - fix for big endian
s390/crypto: unlock on error in prng_tdes_read()
mmc: mmc_test: Uninitialized return value
PM / wakeirq: Fix dedicated wakeirq for drivers not using autosuspend
irqchip/bcm7038-l1: Implement irq_cpu_offline() callback
target/iscsi: Fix double free in lio_target_tiqn_addtpg()
scsi: mvsas: fix command_active typo
ASoC: samsung: i2s: Fixup last IRQ unsafe spin lock call
iommu/vt-d: Flush old iommu caches for kdump when the device gets context mapped
iommu/vt-d: Fix pasid table size encoding
iommu/amd: Fix the left value check of cmd buffer
iommu/amd: Missing error code in amd_iommu_init_device()
clk: imx31: fix rewritten input argument of mx31_clocks_init()
clk: clk-wm831x: fix a logic error
hwmon: (g762) Fix overflows and crash seen when writing limit attributes
hwmon: (nct7802) Fix overflows seen when writing into limit attributes
hwmon: (ds620) Fix overflows seen when writing temperature limits
hwmon: (amc6821) sign extension temperature
hwmon: (scpi) Fix module autoload
cris: Only build flash rescue image if CONFIG_ETRAX_AXISFLASHMAP is selected
ath10k: use the right length of "background"
stable-fixup: hotplug: fix unused function warning
usb: dwc3: ep0: explicitly call dwc3_ep0_prepare_one_trb()
usb: dwc3: ep0: add dwc3_ep0_prepare_one_trb()
usb: dwc3: gadget: always unmap EP0 requests
staging: iio: ad7606: fix improper setting of oversampling pins
mei: bus: fix mei_cldev_enable KDoc
USB: serial: io_ti: bind to interface after fw download
USB: phy: am335x-control: fix device and of_node leaks
ARM: dts: r8a7794: Correct hsusb parent clock
USB: serial: kl5kusb105: abort on open exception path
ALSA: usb-audio: Fix bogus error return in snd_usb_create_stream()
usb: musb: blackfin: add bfin_fifo_offset in bfin_ops
usb: hub: Move hub_port_disable() to fix warning if PM is disabled
usb: musb: Fix trying to free already-free IRQ 4
usb: dwc3: pci: add Intel Gemini Lake PCI ID
xhci: Fix race related to abort operation
xhci: Use delayed_work instead of timer for command timeout
usb: xhci-mem: use passed in GFP flags instead of GFP_KERNEL
USB: serial: mos7720: fix parallel probe
USB: serial: mos7720: fix parport use-after-free on probe errors
USB: serial: mos7720: fix use-after-free on probe errors
USB: serial: mos7720: fix NULL-deref at open
USB: serial: mos7840: fix NULL-deref at open
USB: serial: kobil_sct: fix NULL-deref in write
USB: serial: cyberjack: fix NULL-deref at open
USB: serial: oti6858: fix NULL-deref at open
USB: serial: io_edgeport: fix NULL-deref at open
USB: serial: ti_usb_3410_5052: fix NULL-deref at open
USB: serial: garmin_gps: fix memory leak on failed URB submit
USB: serial: iuu_phoenix: fix NULL-deref at open
USB: serial: io_ti: fix I/O after disconnect
USB: serial: io_ti: fix another NULL-deref at open
USB: serial: io_ti: fix NULL-deref at open
USB: serial: spcp8x5: fix NULL-deref at open
USB: serial: keyspan_pda: verify endpoints at probe
USB: serial: pl2303: fix NULL-deref at open
USB: serial: quatech2: fix sleep-while-atomic in close
USB: serial: omninet: fix NULL-derefs at open and disconnect
usb: xhci: hold lock over xhci_abort_cmd_ring()
xhci: Handle command completion and timeout race
usb: host: xhci: Fix possible wild pointer when handling abort command
usb: xhci: fix return value of xhci_setup_device()
xhci: free xhci virtual devices with leaf nodes first
usb: xhci: apply XHCI_PME_STUCK_QUIRK to Intel Apollo Lake
xhci: workaround for hosts missing CAS bit
usb: xhci: fix possible wild pointer
usb: dwc3: core: avoid Overflow events
usb: gadget: composite: Test get_alt() presence instead of set_alt()
USB: dummy-hcd: fix bug in stop_activity (handle ep0)
USB: fix problems with duplicate endpoint addresses
USB: gadgetfs: fix checks of wTotalLength in config descriptors
USB: gadgetfs: fix use-after-free bug
USB: gadgetfs: fix unbounded memory allocation bug
usb: gadgetfs: restrict upper bound on device configuration size
usb: storage: unusual_uas: Add JMicron JMS56x to unusual device
usb: musb: dsps: implement clear_ep_rxintr() callback
usb: musb: core: add clear_ep_rxintr() to musb_platform_ops
KVM: MIPS: Flush KVM entry code from icache globally
KVM: x86: reset MMU on KVM_SET_VCPU_EVENTS
mac80211: initialize fast-xmit 'info' later
ARM: davinci: da850: don't add emac clock to lookup table twice
ALSA: usb-audio: Fix irq/process data synchronization
ALSA: hda - Apply asus-mode8 fixup to ASUS X71SL
ALSA: hda - Fix up GPIO for ASUS ROG Ranger
Linux 4.4.41
net: mvpp2: fix dma unmapping of TX buffers for fragments
sg_write()/bsg_write() is not fit to be called under KERNEL_DS
kconfig/nconf: Fix hang when editing symbol with a long prompt
target/user: Fix use-after-free of tcmu_cmds if they are expired
powerpc: Convert cmp to cmpd in idle enter sequence
powerpc/ps3: Fix system hang with GCC 5 builds
nfs_write_end(): fix handling of short copies
libceph: verify authorize reply on connect
PCI: Check for PME in targeted sleep state
Input: drv260x - fix input device's parent assignment
media: solo6x10: fix lockup by avoiding delayed register write
IB/cma: Fix a race condition in iboe_addr_get_sgid()
IB/multicast: Check ib_find_pkey() return value
IPoIB: Avoid reading an uninitialized member variable
IB/mad: Fix an array index check
fgraph: Handle a case where a tracer ignores set_graph_notrace
platform/x86: asus-nb-wmi.c: Add X45U quirk
ftrace/x86_32: Set ftrace_stub to weak to prevent gcc from using short jumps to it
kvm: nVMX: Allow L1 to intercept software exceptions (#BP and #OF)
KVM: PPC: Book3S HV: Don't lose hardware R/C bit updates in H_PROTECT
KVM: PPC: Book3S HV: Save/restore XER in checkpointed register state
md/raid5: limit request size according to implementation limits
sc16is7xx: Drop bogus use of IRQF_ONESHOT
s390/vmlogrdr: fix IUCV buffer allocation
firmware: fix usermode helper fallback loading
ARC: mm: arc700: Don't assume 2 colours for aliasing VIPT dcache
scsi: avoid a permanent stop of the scsi device's request queue
scsi: zfcp: fix rport unblock race with LUN recovery
scsi: zfcp: do not trace pure benign residual HBA responses at default level
scsi: zfcp: fix use-after-"free" in FC ingress path after TMF
scsi: megaraid_sas: Do not set MPI2_TYPE_CUDA for JBOD FP path for FW which does not support JBOD sequence map
scsi: megaraid_sas: For SRIOV enabled firmware, ensure VF driver waits for 30secs before reset
vt: fix Scroll Lock LED trigger name
block: protect iterate_bdevs() against concurrent close
mei: request async autosuspend at the end of enumeration
drivers/gpu/drm/ast: Fix infinite loop if read fails
drm/gma500: Add compat ioctl
drm/radeon: add additional pci revision to dpm workaround
drm/radeon: Hide the HW cursor while it's out of bounds
drm/radeon: Also call cursor_move_locked when the cursor size changes
drm/nouveau/i2c/gk110b,gm10x: use the correct implementation
drm/nouveau/fifo/gf100-: protect channel preempt with subdev mutex
drm/nouveau/ltc: protect clearing of comptags with mutex
drm/nouveau/bios: require checksum to match for fast acpi shadow method
drm/nouveau/kms: lvds panel strap moved again on maxwell
ACPI / video: Add force_native quirk for HP Pavilion dv6
ACPI / video: Add force_native quirk for Dell XPS 17 L702X
staging: comedi: ni_mio_common: fix E series ni_ai_insn_read() data
staging: comedi: ni_mio_common: fix M Series ni_ai_insn_read() data mask
thermal: hwmon: Properly report critical temperature in sysfs
clk: bcm2835: Avoid overwriting the div info when disabling a pll_div clk
timekeeping_Force_unsigned_clocksource_to_nanoseconds_conversion
regulator: stw481x-vmmc: fix ages old enable error
mmc: sdhci: Fix recovery from tuning timeout
ath9k: Really fix LED polarity for some Mini PCI AR9220 MB92 cards.
cfg80211/mac80211: fix BSS leaks when abandoning assoc attempts
rtlwifi: Fix enter/exit power_save
ssb: Fix error routine when fallback SPROM fails
Linux 4.4.40
ppp: defer netns reference release for ppp channel
driver core: fix race between creating/querying glue dir and its cleanup
xfs: set AGI buffer type in xlog_recover_clear_agi_bucket
arm/xen: Use alloc_percpu rather than __alloc_percpu
xen/gntdev: Use VM_MIXEDMAP instead of VM_IO to avoid NUMA balancing
tpm xen: Remove bogus tpm_chip_unregister
kernel/debug/debug_core.c: more properly delay for secondary CPUs
kernel/watchdog: use nmi registers snapshot in hardlockup handler
CIFS: Fix a possible memory corruption in push locks
CIFS: Fix missing nls unload in smb2_reconnect()
CIFS: Fix a possible memory corruption during reconnect
ASoC: intel: Fix crash at suspend/resume without card registration
dm space map metadata: fix 'struct sm_metadata' leak on failed create
dm crypt: mark key as invalid until properly loaded
dm flakey: return -EINVAL on interval bounds error in flakey_ctr()
blk-mq: Do not invoke .queue_rq() for a stopped queue
usb: gadget: composite: always set ep->mult to a sensible value
exec: Ensure mm->user_ns contains the execed files
fs: exec: apply CLOEXEC before changing dumpable task flags
mm/vmscan.c: set correct defer count for shrinker
loop: return proper error from loop_queue_rq()
f2fs: set ->owner for debugfs status file's file_operations
ext4: do not perform data journaling when data is encrypted
ext4: return -ENOMEM instead of success
ext4: reject inodes with negative size
ext4: add sanity checking to count_overhead()
ext4: fix in-superblock mount options processing
ext4: use more strict checks for inodes_per_block on mount
ext4: fix stack memory corruption with 64k block size
ext4: fix mballoc breakage with 64k block size
crypto: caam - fix AEAD givenc descriptors
ptrace: Capture the ptracer's creds not PT_PTRACE_CAP
mm: Add a user_ns owner to mm_struct and fix ptrace permission checks
block_dev: don't test bdev->bd_contains when it is not stable
btrfs: make file clone aware of fatal signals
Btrfs: don't BUG() during drop snapshot
Btrfs: fix memory leak in do_walk_down
Btrfs: don't leak reloc root nodes on error
Btrfs: return gracefully from balance if fs tree is corrupted
Btrfs: bail out if block group has different mixed flag
Btrfs: fix memory leak in reading btree blocks
clk: ti: omap36xx: Work around sprz319 advisory 2.1
ALSA: hda: when comparing pin configurations, ignore assoc in addition to seq
ALSA: hda - Gate the mic jack on HP Z1 Gen3 AiO
ALSA: hda - fix headset-mic problem on a Dell laptop
ALSA: hda - ignore the assoc and seq when comparing pin configurations
ALSA: hda/ca0132 - Add quirk for Alienware 15 R2 2016
ALSA: hiface: Fix M2Tech hiFace driver sampling rate change
ALSA: usb-audio: Add QuickCam Communicate Deluxe/S7500 to volume_control_quirks
USB: UHCI: report non-PME wakeup signalling for Intel hardware
usb: gadget: composite: correctly initialize ep->maxpacket
usb: gadget: f_uac2: fix error handling at afunc_bind
usb: hub: Fix auto-remount of safely removed or ejected USB-3 devices
USB: cdc-acm: add device id for GW Instek AFG-125
USB: serial: kl5kusb105: fix open error path
USB: serial: option: add dlink dwm-158
USB: serial: option: add support for Telit LE922A PIDs 0x1040, 0x1041
Btrfs: fix qgroup rescan worker initialization
btrfs: store and load values of stripes_min/stripes_max in balance status item
Btrfs: fix tree search logic when replaying directory entry deletes
btrfs: limit async_work allocation and worker func duration
ANDROID: trace: net: use %pK for kernel pointers
ANDROID: android-base: Enable QUOTA related configs
net: ipv4: Don't crash if passing a null sk to ip_rt_update_pmtu.
net: inet: Support UID-based routing in IP protocols.
Revert "net: ipv6: fix virtual tunneling build"
net: core: add UID to flows, rules, and routes
net: core: Add a UID field to struct sock.
Revert "net: core: Support UID-based routing."
Revert "net: core: Handle 'sk' being NULL in UID-based routing"
Revert "ANDROID: net: fix 'const' warnings"
Revert "ANDROID: net: fib: remove duplicate assignment"
Revert "ANDROID: net: core: fix UID-based routing"
UPSTREAM: efi/arm64: Don't apply MEMBLOCK_NOMAP to UEFI memory map mapping
UPSTREAM: arm64: enable CONFIG_DEBUG_RODATA by default
goldfish: enable CONFIG_INET_DIAG_DESTROY
sched/walt: kill {min,max}_capacity
sched: fix wrong truncation of walt_avg
ANDROID: dm verity: add minimum prefetch size
Linux 4.4.39
crypto: rsa - Add Makefile dependencies to fix parallel builds
hotplug: Make register and unregister notifier API symmetric
batman-adv: Check for alloc errors when preparing TT local data
m68k: Fix ndelay() macro
arm64: futex.h: Add missing PAN toggling
can: peak: fix bad memory access and free sequence
can: raw: raw_setsockopt: limit number of can_filter that can be set
crypto: mcryptd - Check mcryptd algorithm compatibility
perf/x86: Fix full width counter, counter overflow
locking/rtmutex: Use READ_ONCE() in rt_mutex_owner()
locking/rtmutex: Prevent dequeue vs. unlock race
zram: restrict add/remove attributes to root only
parisc: Fix TLB related boot crash on SMP machines
parisc: Remove unnecessary TLB purges from flush_dcache_page_asm and flush_icache_page_asm
parisc: Purge TLB before setting PTE
powerpc/eeh: Fix deadlock when PE frozen state can't be cleared
Conflicts:
arch/arm64/kernel/traps.c
drivers/usb/dwc3/core.h
drivers/usb/dwc3/ep0.c
drivers/usb/gadget/function/f_fs.c
drivers/usb/host/xhci-mem.c
drivers/usb/host/xhci-ring.c
drivers/usb/host/xhci.c
drivers/video/fbdev/core/fbcmap.c
include/trace/events/sched.h
mm/vmscan.c
Change-Id: I3faa0010ecb98972cd8e6470377a493b56d95f89
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
Signed-off-by: Runmin Wang <runminw@codeaurora.org>
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commit e6f462df9acd2a3295e5d34eb29e2823220cf129 upstream.
When mac80211 abandons an association attempt, it may free
all the data structures, but inform cfg80211 and userspace
about it only by sending the deauth frame it received, in
which case cfg80211 has no link to the BSS struct that was
used and will not cfg80211_unhold_bss() it.
Fix this by providing a way to inform cfg80211 of this with
the BSS entry passed, so that it can clean up properly, and
use this ability in the appropriate places in mac80211.
This isn't ideal: some code is more or less duplicated and
tracing is missing. However, it's a fairly small change and
it's thus easier to backport - cleanups can come later.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This enhances the connect timeout API to also carry the reason for the
timeout. These reason codes for the connect time out are represented by
enum nl80211_timeout_reason and are passed to user space through a new
attribute NL80211_ATTR_TIMEOUT_REASON (u32).
Signed-off-by: Purushottam Kushwaha <pkushwah@qti.qualcomm.com>
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
[keep gfp_t argument last]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Git-commit: 3093ebbeabcdddc9a982950052f2151df43c7aa2
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
CRs-Fixed: 2004380
Change-Id: If25dbf99d08d6ee658782fb08bd0ac670e95584a
Signed-off-by: Purushottam Kushwaha <pkushwah@codeaurora.org>
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Previously, the status parameter to cfg80211_connect_result() was
documented as using WLAN_STATUS_UNSPECIFIED_FAILURE (1) when the real
status code for the failure is not known. This value can be used by an
AP (and often is) and as such, user space cannot distinguish between
explicitly rejected authentication/association and not being able to
even try to associate or not receiving a response from the AP.
Add a new inline function, cfg80211_connect_timeout(), to be used when
the driver knows that the connection attempt failed due to a reason
where connection could not be attempt or no response was received from
the AP. The internal functions now allow a negative status value (-1) to
be used as an indication of this special case. This results in the
NL80211_ATTR_TIMED_OUT to be added to the NL80211_CMD_CONNECT event to
allow user space to determine this case was hit. For backwards
compatibility, NL80211_STATUS_CODE with the value
WLAN_STATUS_UNSPECIFIED_FAILURE is still indicated in the event in such
a case.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
[johannes: fix cfg80211_connect_bss() prototype to use int for status,
add cfg80211_connect_timeout() to docbook, fix docbook]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Git-commit: bf1ecd210541ef5f3a110e88e8ca5d33b4aa5c23
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
CRs-Fixed: 2004380
Change-Id: I43e2a7d588ee86a8470cf72ac0a95daaae569fa0
Signed-off-by: Purushottam Kushwaha <pkushwah@codeaurora.org>
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There's no harm in having drivers read the list, since they can
use RCU protection or RTNL locking; allow this to not require
each and every driver to also implement its own bookkeeping.
CRs-Fixed: 1087922
Change-Id: I2f38b8ba1ddbe6041a4189f5d9b72c982f0fb367
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
Git-commit: 53873f134d285191ef6435882d55837093a36c53
[liord@codeaurora.org: fix conflicts]
Signed-off-by: Lior David <liord@codeaurora.org>
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Since cfg80211 maintains separate BSS table entries for APs if the same
BSSID, SSID pair is seen on multiple channels, it is possible that it
can map the current_bss to a BSS entry on the wrong channel. This
current_bss will not get flushed unless disconnected and cfg80211
reports a wrong channel as the associated channel.
Fix this by introducing a new cfg80211_connect_bss() function which is
similar to cfg80211_connect_result(), but it includes an additional
parameter: the bss the STA is connected to. This allows drivers to
provide the exact bss entry that matches the BSS to which the connection
was completed.
Reviewed-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Vidyullatha Kanchanapally <vkanchan@qti.qualcomm.com>
Signed-off-by: Sunil Dutt <usdutt@qti.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Git-commit: 81948527fce52c73c9a0742b8ec8d26b97f6c3c0
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
Change-Id: I5dc58b360b2bbce53493466a0bcd5363276c302a
CRs-fixed: 1008791
Signed-off-by: Vidyullatha Kanchanapally <vidyullatha@codeaurora.org>
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This allows scans for a specific BSSID to be optimized by the user space
application by requesting the driver to set the Probe Request frame
BSSID field (Address 3) to the specified BSSID instead of the wildcard
BSSID. This prevents other APs from replying which reduces airtime need
and latency in getting the response from the target AP through.
This is an optimization and as such, it is acceptable for some of the
drivers not to support the mechanism. If not supported, the wildcard
BSSID will be used and more responses may be received.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Git-commit: 0889675a9503f48d1ad01b4eaa202f89469b2b62
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Change-Id: I20cf654661c11880055d022e0c9ec77beab659e8
CRs-fixed: 996660
Signed-off-by: Vidyullatha Kanchanapally <vidyullatha@codeaurora.org>
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Driver configures the default country code during bootup.
When STA disconnects, cfg80211 restore the regulatory setting
to world domain.cfg80211 should remain in the default country
code and not restore to world reg domain.
Change-Id: I01ccdc4d2831cf252a4b35f9f856f3256d9b7429
CRs-Fixed: 1023778
Signed-off-by: Sachin Ahuja <sahuja@codeaurora.org>
[joshc: fixed hunk in disconnect_work() - moved
cfg80211_is_all_countryie_ignore() check into new location, collapsed
conditional and use upstream REGULATORY_COUNTRY_IE_IGNORE regulatory
flag]
Signed-off-by: Josh Cartwright <joshc@codeaurora.org>
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PBSS (Personal Basic Service Set) is a new BSS type for DMG
networks. It is similar to infrastructure BSS, having an AP-like
entity called PCP (PBSS Control Point), but it has few differences.
PBSS support is mandatory for 11ad devices.
Add support for PBSS by introducing a new PBSS flag attribute.
The PBSS flag is used in the START_AP command to request starting
a PCP instead of an AP, and in the CONNECT command to request
connecting to a PCP instead of an AP.
Change-Id: I9f26a8ff8433268240eb9443befadc0d279a0293
[liord@codeaurora.org: added missing attributes to nl80211.h
that were added in upstream kernel before the PBSS attribute,
in order to keep the ABI compatible]
Signed-off-by: Lior David <liord@codeaurora.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Git-commit: 00807f28573a101dc2833f0075e806b9874f306c
Git-repo: https://github.com/kvalo/ath.git
CRs-Fixed: 982931
Signed-off-by: Maya Erez <merez@codeaurora.org>
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When we disconnect from the AP, drivers call cfg80211_disconnect().
This doesn't know whether the disconnection was initiated locally
or by the AP though, which can cause problems with the supplicant,
for example with WPS. This issue obviously doesn't show up with any
mac80211 based driver since mac80211 doesn't call this function.
Fix this by requiring drivers to indicate whether the disconnect is
locally generated or not. I've tried to update the drivers, but may
not have gotten the values correct, and some drivers may currently
not be able to report correct values. In case of doubt I left it at
false, which is the current behaviour.
For libertas, make adjustments as indicated by Dan Williams.
Reported-by: Matthieu Mauger <matthieux.mauger@intel.com>
Tested-by: Matthieu Mauger <matthieux.mauger@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If the connect request from userspace didn't include an extended
capabilities IE, create one using the driver capabilities. This
fixes VHT associations, since those need to set the operating mode
notification capability.
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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802.11ad adds new a network type (PBSS) and changes the capability
field interpretation for the DMG (60G) band.
The same 2 bits that were interpreted as "ESS" and "IBSS" before are
re-used as a 2-bit field with 3 valid values (and 1 reserved). Valid
values are: "IBSS", "PBSS" (new) and "AP".
In order to get the BSS struct for the new PBSS networks, change the
cfg80211_get_bss() function to take a new enum ieee80211_bss_type
argument with the valid network types, as "capa_mask" and "capa_val"
no longer work correctly (the search must be band-aware now.)
The remaining bits in "capa_mask" and "capa_val" are used only for
privacy matching so replace those two with a privacy enum as well.
Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
[rewrite commit log, tiny fixes]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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ATM, specifying the frequency when connecting sends a void 'supported
rates' EID.
Signed-off-by: Karl Beldan <karl.beldan@rivierawaves.com>
[fix memory leak in error path]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When freeing the connect keys, clear the memory to avoid
having the key material stick around in memory "forever".
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This also propagates through the drivers.
The orinoco driver uses the cfg80211 API structs for internal
bookkeeping, and so needs a (void *) cast that removes the
const - but that's OK because it allocates those pointers.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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These really can't trigger unless somebody messes up the code,
but don't make debugging it needlessly complicated, WARN and
return instead of BUG_ON().
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
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cfg80211 is notified about connection failures by
__cfg80211_connect_result() call. However, this
function currently does not free cfg80211 sme.
This results in hanging connection attempts in some cases
e.g. when mac80211 authentication attempt is denied,
we have this function call:
ieee80211_rx_mgmt_auth() -> cfg80211_rx_mlme_mgmt() ->
cfg80211_process_auth() -> cfg80211_sme_rx_auth() ->
__cfg80211_connect_result()
but cfg80211_sme_free() is never get called.
Fixes: ceca7b712 ("cfg80211: separate internal SME implementation")
Cc: stable@vger.kernel.org (3.10+)
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Name wiphy_to_rdev is more accurate to describe what the function
does, i.e., return a pointer pointing to struct
cfg80211_registered_device.
Signed-off-by: Zhao, Gang <gamerh2o@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Wdev->ssid_len has already been set in cfg80211_connect() and is equal
to connect->ssid_len. Use wdev->ssid_len instead of connect->ssid_len
so it will be consistent with previous ssid assignment statement.
If bss is found in cfg80211_get_conn_bss(), wdev->conn->state is set
to CFG80211_CONN_AUTHENTICATE_NEXT in there. So it's not needed to set
it manually to CFG80211_CONN_AUTHENTICATE_NEXT if bss is found in that
function.
Signed-off-by: Zhao, Gang <gamerh2o@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Macro ASSERT_RDEV_LOCK(rdev) is equal to ASSERT_RTNL(), so replace it
with ASSERT_RTNL() and remove it.
Signed-off-by: Zhao, Gang <gamerh2o@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Due to the previous commit, when a scan finishes, it is in theory
possible to hit the following sequence:
1. interface starts being removed
2. scan is cancelled by driver and cfg80211 is notified
3. scan done work is scheduled
4. interface is removed completely, rdev->scan_req is freed,
event sent to userspace but scan done work remains pending
5. new scan is requested on another virtual interface
6. scan done work runs, freeing the still-running scan
To fix this situation, hang on to the scan done message and block
new scans while that is the case, and only send the message from
the work function, regardless of whether the scan_req is already
freed from interface removal. This makes step 5 above impossible
and changes step 6 to be
5. scan done work runs, sending the scan done message
As this can't work for wext, so we send the message immediately,
but this shouldn't be an issue since we still return -EBUSY.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
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Add a utility function to get the number of channels supported by
the device, and update the places in the code that need this data.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
[replace another occurrence in libertas, fix kernel-doc, fix bugs]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
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cfg80211 allows re-association in managed mode and if a user
wants to re-associate to the same AP network after the time
period of IEEE80211_SCAN_RESULT_EXPIRE, cfg80211 warns with
the following message on receiving the connect result event.
------------[ cut here ]------------
WARNING: CPU: 0 PID: 13984 at net/wireless/sme.c:658
__cfg80211_connect_result+0x3a6/0x3e0 [cfg80211]()
Call Trace:
[<ffffffff81747a41>] dump_stack+0x46/0x58
[<ffffffff81045847>] warn_slowpath_common+0x87/0xb0
[<ffffffff81045885>] warn_slowpath_null+0x15/0x20
[<ffffffffa05345f6>] __cfg80211_connect_result+0x3a6/0x3e0 [cfg80211]
[<ffffffff8107168b>] ? update_rq_clock+0x2b/0x50
[<ffffffff81078c01>] ? update_curr+0x1/0x160
[<ffffffffa05133d2>] cfg80211_process_wdev_events+0xb2/0x1c0 [cfg80211]
[<ffffffff81079303>] ? pick_next_task_fair+0x63/0x170
[<ffffffffa0513518>] cfg80211_process_rdev_events+0x38/0x90 [cfg80211]
[<ffffffffa050f03d>] cfg80211_event_work+0x1d/0x30 [cfg80211]
[<ffffffff8105f21f>] process_one_work+0x17f/0x420
[<ffffffff8105f90a>] worker_thread+0x11a/0x370
[<ffffffff8105f7f0>] ? rescuer_thread+0x2f0/0x2f0
[<ffffffff8106638b>] kthread+0xbb/0xc0
[<ffffffff810662d0>] ? kthread_create_on_node+0x120/0x120
[<ffffffff817574bc>] ret_from_fork+0x7c/0xb0
[<ffffffff810662d0>] ? kthread_create_on_node+0x120/0x120
---[ end trace 61f3bddc9c4981f7 ]---
The reason is that, in connect result event cfg80211 unholds
the BSS to which the device is associated (and was held so
far). So, for the event with status successful, when cfg80211
wants to get that BSS from the device's BSS list it gets a
NULL BSS because the BSS has been expired and unheld already.
Fix it by reshuffling the code.
Signed-off-by: Ujjal Roy <royujjal@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This allows QoS mapping from external networks to be implemented as
defined in IEEE Std 802.11-2012, 10.24.9. APs can use this to advertise
DSCP ranges and exceptions for mapping frames to a specific UP over
Wi-Fi.
The payload of the QoS Map Set element (IEEE Std 802.11-2012, 8.4.2.97)
is sent to the driver through the new NL80211_ATTR_QOS_MAP attribute to
configure the local behavior either on the AP (based on local
configuration) or on a station (based on information received from the
AP).
Signed-off-by: Kyeyoon Park <kyeyoonp@qca.qualcomm.com>
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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It is incorrect to refer to this as 11d as 802.11d was just a
proposed amendment, 802.11d was merged to the standard so
use proper terminology.
Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Neil Brown reports that with libertas, my recent cfg80211
SME changes in commit ceca7b7121795ef81bd598a240d53a92566
("cfg80211: separate internal SME implementation") broke
libertas suspend because it we now asked it to disconnect
while already disconnected.
The problematic change is in cfg80211_disconnect() as it
previously checked the SME state and now calls the driver
disconnect operation unconditionally.
Fix this by checking if there's a current_bss indicating
a connection, and do nothing if not.
Reported-and-tested-by: Neil Brown <neilb@suse.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When splitting the SME implementation from the MLME code,
I introduced a few bugs:
* association failures no longer sent a connect-failure event
* getting disassociated from the AP caused deauth to be sent
but state wasn't cleaned up, leading to warnings
* authentication failures weren't cleaned up properly, causing
new connection attempts to warn and fail
Fix these bugs.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
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Should help the next person that tries to understand
the bss refcounting logic.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Otherwise, we can leak a bss reference.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This fixes the potential issue that the BSS struct that we use
and later assign to wdev->current_bss is removed from the scan
list while associating.
Also warn when we don't have a BSS struct in connect_result
unless it's from a driver that only has the connect() API.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The current internal SME implementation in cfg80211 is
very mixed up with the MLME handling, which has been
causing issues for a long time. There are three things
that the implementation has to provide:
* a basic SME implementation for nl80211's connect()
call (for drivers implementing auth/assoc, which is
really just mac80211) and wireless extensions
* MLME events for the userspace SME
* SME events (connected, disconnected etc.) for all
different SME implementation possibilities (driver,
cfg80211 and userspace)
To achieve these goals it isn't necessary to track the
software SME's connection status outside of it's state
(which is the part that caused many issues.) Instead,
track it only in the SME data (wdev->conn) and in the
general case only track whether the wdev is connected
or not (via wdev->current_bss.)
Also separate the internal implementation to not have
callbacks from the SME events, but rather call it from
the API functions that the driver (or rather mac80211)
calls. This separates the code better.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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By making all the API functions require wdev locking we
can clean up the API a bit, getting rid of the locking
version of each function. This also decreases the size
of cfg80211 by a small amount.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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By making all the API functions require wdev locking we
can clean up the API a bit, getting rid of the locking
version of each function. This also decreases the size
of cfg80211 by a small amount.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Virtually all code paths in cfg80211 already (need to) hold
the RTNL. As such, there's little point in having another
four mutexes for various parts of the code, they just cause
lock ordering issues (and much of the time, the RTNL and a
few of the others need thus be held.)
Simplify all this by getting rid of the extra four mutexes
and just use the RTNL throughout. Only a few code changes
were needed to do this and we can get rid of a work struct
for bonus points.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If a P2P-Device is present and another virtual interface triggers
the connection work, the system crash because it tries to check
if the P2P-Device's netdev (which doesn't exist) is up. Skip any
wdevs that have no netdev to fix this.
Cc: stable@vger.kernel.org
Reported-by: YanBo <dreamfly281@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When the interface goes down, there's no need to call
cfg80211_mlme_down() after __cfg80211_disconnect() as
the latter will call the former (if appropriate.)
Also, in __cfg80211_disconnect(), if the cfg80211 SME
isn't used, __cfg80211_disconnected() may still need
to be called (depending on the current state) so that
the SME state gets cleared.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Conflicts:
drivers/net/wireless/rt2x00/rt2x00pci.c
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Introduced in f9f475292dbb0e7035fb6661d1524761ea0888d9
("cfg80211: always check for scan end on P2P device")
cfg80211_conn_scan() which requires sched_scan_mtx to be held can be called
from cfg80211_conn_work(). Without this we are hitting multiple warnings like
the following:
WARNING: at net/wireless/sme.c:88 cfg80211_conn_scan+0x1dc/0x3a0 [cfg80211]()
Hardware name: 0578A21
Modules linked in: ...
Pid: 620, comm: kworker/3:1 Not tainted 3.9.0-rc4-next-20130328+ #326
Call Trace:
[<c1036992>] warn_slowpath_common+0x72/0xa0
[<c10369e2>] warn_slowpath_null+0x22/0x30
[<faa4b0ec>] cfg80211_conn_scan+0x1dc/0x3a0 [cfg80211]
[<faa4b344>] cfg80211_conn_do_work+0x94/0x380 [cfg80211]
[<faa4c3b2>] cfg80211_conn_work+0xa2/0x130 [cfg80211]
[<c1051858>] process_one_work+0x198/0x450
Signed-off-by: Artem Savkov <artem.savkov@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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