linux/drivers
Stanislaw Gruszka 5671ab05cf rt2x00: check if device is still available on rt2x00mac_flush()
Fix random kernel panic with below messages when remove dongle.

[ 2212.355447] BUG: unable to handle kernel NULL pointer dereference at 0000000000000250
[ 2212.355527] IP: [<ffffffffa02667f2>] rt2x00usb_kick_tx_entry+0x12/0x160 [rt2x00usb]
[ 2212.355599] PGD 0
[ 2212.355626] Oops: 0000 [#1] SMP
[ 2212.355664] Modules linked in: rt2800usb rt2x00usb rt2800lib crc_ccitt rt2x00lib mac80211 cfg80211 tun arc4 fuse rfcomm bnep snd_hda_codec_realtek snd_hda_intel snd_hda_codec btusb uvcvideo bluetooth snd_hwdep x86_pkg_temp_thermal snd_seq coretemp aesni_intel aes_x86_64 snd_seq_device glue_helper snd_pcm ablk_helper videobuf2_vmalloc sdhci_pci videobuf2_memops videobuf2_core sdhci videodev mmc_core serio_raw snd_page_alloc microcode i2c_i801 snd_timer hid_multitouch thinkpad_acpi lpc_ich mfd_core snd tpm_tis wmi tpm tpm_bios soundcore acpi_cpufreq i915 i2c_algo_bit drm_kms_helper drm i2c_core video [last unloaded: cfg80211]
[ 2212.356224] CPU: 0 PID: 34 Comm: khubd Not tainted 3.12.0-rc3-wl+ #3
[ 2212.356268] Hardware name: LENOVO 3444CUU/3444CUU, BIOS G6ET93WW (2.53 ) 02/04/2013
[ 2212.356319] task: ffff880212f687c0 ti: ffff880212f66000 task.ti: ffff880212f66000
[ 2212.356392] RIP: 0010:[<ffffffffa02667f2>]  [<ffffffffa02667f2>] rt2x00usb_kick_tx_entry+0x12/0x160 [rt2x00usb]
[ 2212.356481] RSP: 0018:ffff880212f67750  EFLAGS: 00010202
[ 2212.356519] RAX: 000000000000000c RBX: 000000000000000c RCX: 0000000000000293
[ 2212.356568] RDX: ffff8801f4dc219a RSI: 0000000000000000 RDI: 0000000000000240
[ 2212.356617] RBP: ffff880212f67778 R08: ffffffffa02667e0 R09: 0000000000000002
[ 2212.356665] R10: 0001f95254ab4b40 R11: ffff880212f675be R12: ffff8801f4dc2150
[ 2212.356712] R13: 0000000000000000 R14: ffffffffa02667e0 R15: 000000000000000d
[ 2212.356761] FS:  0000000000000000(0000) GS:ffff88021e200000(0000) knlGS:0000000000000000
[ 2212.356813] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2212.356852] CR2: 0000000000000250 CR3: 0000000001a0c000 CR4: 00000000001407f0
[ 2212.356899] Stack:
[ 2212.356917]  000000000000000c ffff8801f4dc2150 0000000000000000 ffffffffa02667e0
[ 2212.356980]  000000000000000d ffff880212f677b8 ffffffffa03a31ad ffff8801f4dc219a
[ 2212.357038]  ffff8801f4dc2150 0000000000000000 ffff8800b93217a0 ffff8801f49bc800
[ 2212.357099] Call Trace:
[ 2212.357122]  [<ffffffffa02667e0>] ? rt2x00usb_interrupt_txdone+0x90/0x90 [rt2x00usb]
[ 2212.357174]  [<ffffffffa03a31ad>] rt2x00queue_for_each_entry+0xed/0x170 [rt2x00lib]
[ 2212.357244]  [<ffffffffa026701c>] rt2x00usb_kick_queue+0x5c/0x60 [rt2x00usb]
[ 2212.357314]  [<ffffffffa03a3682>] rt2x00queue_flush_queue+0x62/0xa0 [rt2x00lib]
[ 2212.357386]  [<ffffffffa03a2930>] rt2x00mac_flush+0x30/0x70 [rt2x00lib]
[ 2212.357470]  [<ffffffffa04edded>] ieee80211_flush_queues+0xbd/0x140 [mac80211]
[ 2212.357555]  [<ffffffffa0502e52>] ieee80211_set_disassoc+0x2d2/0x3d0 [mac80211]
[ 2212.357645]  [<ffffffffa0506da3>] ieee80211_mgd_deauth+0x1d3/0x240 [mac80211]
[ 2212.357718]  [<ffffffff8108b17c>] ? try_to_wake_up+0xec/0x290
[ 2212.357788]  [<ffffffffa04dbd18>] ieee80211_deauth+0x18/0x20 [mac80211]
[ 2212.357872]  [<ffffffffa0418ddc>] cfg80211_mlme_deauth+0x9c/0x140 [cfg80211]
[ 2212.357913]  [<ffffffffa041907c>] cfg80211_mlme_down+0x5c/0x60 [cfg80211]
[ 2212.357962]  [<ffffffffa041cd18>] cfg80211_disconnect+0x188/0x1a0 [cfg80211]
[ 2212.358014]  [<ffffffffa04013bc>] ? __cfg80211_stop_sched_scan+0x1c/0x130 [cfg80211]
[ 2212.358067]  [<ffffffffa03f8954>] cfg80211_leave+0xc4/0xe0 [cfg80211]
[ 2212.358124]  [<ffffffffa03f8d1b>] cfg80211_netdev_notifier_call+0x3ab/0x5e0 [cfg80211]
[ 2212.358177]  [<ffffffff815140f8>] ? inetdev_event+0x38/0x510
[ 2212.358217]  [<ffffffff81085a94>] ? __wake_up+0x44/0x50
[ 2212.358254]  [<ffffffff8155995c>] notifier_call_chain+0x4c/0x70
[ 2212.358293]  [<ffffffff81081156>] raw_notifier_call_chain+0x16/0x20
[ 2212.358361]  [<ffffffff814b6dd5>] call_netdevice_notifiers_info+0x35/0x60
[ 2212.358429]  [<ffffffff814b6ec9>] __dev_close_many+0x49/0xd0
[ 2212.358487]  [<ffffffff814b7028>] dev_close_many+0x88/0x100
[ 2212.358546]  [<ffffffff814b8150>] rollback_registered_many+0xb0/0x220
[ 2212.358612]  [<ffffffff814b8319>] unregister_netdevice_many+0x19/0x60
[ 2212.358694]  [<ffffffffa04d8eb2>] ieee80211_remove_interfaces+0x112/0x190 [mac80211]
[ 2212.358791]  [<ffffffffa04c585f>] ieee80211_unregister_hw+0x4f/0x100 [mac80211]
[ 2212.361994]  [<ffffffffa03a1221>] rt2x00lib_remove_dev+0x161/0x1a0 [rt2x00lib]
[ 2212.365240]  [<ffffffffa0266e2e>] rt2x00usb_disconnect+0x2e/0x70 [rt2x00usb]
[ 2212.368470]  [<ffffffff81419ce4>] usb_unbind_interface+0x64/0x1c0
[ 2212.371734]  [<ffffffff813b446f>] __device_release_driver+0x7f/0xf0
[ 2212.374999]  [<ffffffff813b4503>] device_release_driver+0x23/0x30
[ 2212.378131]  [<ffffffff813b3c98>] bus_remove_device+0x108/0x180
[ 2212.381358]  [<ffffffff813b0565>] device_del+0x135/0x1d0
[ 2212.384454]  [<ffffffff81417760>] usb_disable_device+0xb0/0x270
[ 2212.387451]  [<ffffffff8140d9cd>] usb_disconnect+0xad/0x1d0
[ 2212.390294]  [<ffffffff8140f6cd>] hub_thread+0x63d/0x1660
[ 2212.393034]  [<ffffffff8107c860>] ? wake_up_atomic_t+0x30/0x30
[ 2212.395728]  [<ffffffff8140f090>] ? hub_port_debounce+0x130/0x130
[ 2212.398412]  [<ffffffff8107baa0>] kthread+0xc0/0xd0
[ 2212.401058]  [<ffffffff8107b9e0>] ? insert_kthread_work+0x40/0x40
[ 2212.403639]  [<ffffffff8155de3c>] ret_from_fork+0x7c/0xb0
[ 2212.406193]  [<ffffffff8107b9e0>] ? insert_kthread_work+0x40/0x40
[ 2212.408732] Code: 24 58 08 00 00 bf 80 00 00 00 e8 3a c3 e0 e0 5b 41 5c 5d c3 0f 1f 44 00 00 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 <48> 8b 47 10 48 89 fb 4c 8b 6f 28 4c 8b 20 49 8b 04 24 4c 8b 30
[ 2212.414671] RIP  [<ffffffffa02667f2>] rt2x00usb_kick_tx_entry+0x12/0x160 [rt2x00usb]
[ 2212.417646]  RSP <ffff880212f67750>
[ 2212.420547] CR2: 0000000000000250
[ 2212.441024] ---[ end trace 5442918f33832bce ]---

Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-18 13:41:11 -04:00
..
accessibility
acpi ACPI and power management fixes for 3.12-rc1 2013-09-12 11:22:45 -07:00
amba
ata Merge branch 'for-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata 2013-09-03 18:19:53 -07:00
atm atm: nicstar: fix regression made by previous patch 2013-09-15 22:18:55 -04:00
auxdisplay
base thp: account anon transparent huge pages into NR_ANON_PAGES 2013-09-12 15:38:03 -07:00
bcma bcma: make bcma_core_pci_{up,down}() callable from atomic context 2013-09-26 14:02:33 -04:00
block Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 2013-09-19 12:50:37 -05:00
bluetooth Bluetooth: btusb: Add support for Belkin F8065bf 2013-09-23 17:44:25 -03:00
bus ARM: SoC platform changes for 3.12 2013-09-06 13:30:06 -07:00
cdrom
char Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
clk The common clk framework changes for 3.12 are dominated by clock driver 2013-09-09 15:49:04 -07:00
clocksource Merge branch 'timers/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-09-16 16:10:26 -04:00
connector
cpufreq Merge branch 'pm-cpufreq' 2013-09-12 13:04:11 +02:00
cpuidle ACPI and power management fixes for 3.12-rc1 2013-09-12 11:22:45 -07:00
crypto Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux 2013-09-07 12:53:35 +10:00
dca
devfreq
dio
dma Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
edac Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile 2013-09-06 11:14:33 -07:00
eisa
extcon Driver core patches for 3.12-rc1 2013-09-03 11:37:15 -07:00
firewire firewire: ohci: Fix deadlock at bus reset 2013-08-29 22:35:05 +02:00
firmware firmware/dmi_scan: drop OOM messages 2013-09-11 15:58:51 -07:00
fmc
gpio Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
gpu Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux 2013-09-18 21:17:44 -05:00
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid 2013-09-17 21:54:05 -04:00
hsi
hv Drivers: hv: vmbus: Do not attempt to negoatiate a new version prematurely 2013-08-30 12:08:04 -07:00
hwmon hwmon: (k10temp) remove unnecessary pci_set_drvdata() 2013-09-12 08:17:40 -07:00
hwspinlock
i2c Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
ide ide: sgiioc4: Staticize ioc4_ide_attach_one() 2013-09-05 15:21:30 -04:00
idle
iio Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
infiniband Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2013-09-15 07:13:39 -04:00
iommu IOMMU Updates for Linux v3.12 2013-09-12 11:29:26 -07:00
ipack
irqchip ARM: SoC late changes for v3.12 2013-09-09 16:35:29 -07:00
isdn isdn: hfcpci_softirq: get func return to suppress compiler warning 2013-09-15 22:27:04 -04:00
leds Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds 2013-09-12 11:35:33 -07:00
lguest lguest: fix guest kernel stack overflow when TF bit set. 2013-09-06 08:09:27 +09:30
macintosh
mailbox
md Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-09-12 15:01:38 -07:00
media Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
memory ARM: SoC platform changes for 3.12 2013-09-06 13:30:06 -07:00
memstick memstick: add support for legacy memorysticks 2013-09-11 15:59:35 -07:00
message
mfd Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
misc Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
mmc Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
mtd Just a single fastmap fix plus a regression fix. 2013-09-16 15:37:52 -04:00
net rt2x00: check if device is still available on rt2x00mac_flush() 2013-10-18 13:41:11 -04:00
nfc
ntb ntb: clean up unnecessary MSI/MSI-X capability find 2013-09-05 11:08:01 -07:00
nubus
of Merge branch 'for-v3.12-fix' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping 2013-09-11 19:11:59 -07:00
oprofile oprofile: get rid of pointless forward declarations of struct super_block 2013-09-03 22:52:48 -04:00
parisc PCI changes for the v3.12 merge window: 2013-09-03 16:24:35 -07:00
parport drivers: parport: Kconfig: exclude h8300 for PARPORT_PC 2013-08-30 12:08:04 -07:00
pci Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
pcmcia
pinctrl PTR_RET() is a weird name, and led to some confusing usage. We ended 2013-09-04 17:31:11 -07:00
platform Merge branch 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86 2013-09-15 17:42:59 -04:00
pnp pnp: change pnp bus pm_ops to invoke pnp driver dev_pm_ops if specified 2013-09-11 15:58:15 -07:00
power Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
pps Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
ps3
ptp
pwm ARM: SoC cleanups for 3.12 2013-09-06 13:21:16 -07:00
rapidio
regulator PTR_RET() is a weird name, and led to some confusing usage. We ended 2013-09-04 17:31:11 -07:00
remoteproc
reset
rpmsg
rtc rtc: simplify devm_request_mem_region/devm_ioremap 2013-09-11 15:58:59 -07:00
s390 s390/vmcore: use vmcore for zfcpdump 2013-09-11 15:59:15 -07:00
sbus
scsi Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-09-19 13:57:28 -05:00
sfi
sh
sn
spi Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
ssb
staging staging: octeon-ethernet: rgmii: enable interrupts that we can handle 2013-09-17 10:11:31 +02:00
target Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2013-09-12 16:11:45 -07:00
tc
thermal drivers: thermal: add check when unregistering cpu cooling 2013-09-03 09:10:34 -04:00
tty tty: disassociate_ctty() sends the extra SIGCONT 2013-09-17 21:53:32 -04:00
uio Driver core patches for 3.12-rc1 2013-09-03 11:37:15 -07:00
usb Merge git://git.kvack.org/~bcrl/aio-next 2013-09-13 10:55:58 -07:00
uwb
vfio vfio-pci: PCI hot reset interface 2013-09-04 11:28:04 -06:00
vhost Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2013-09-12 16:11:45 -07:00
video Bye, bye, WfW flag 2013-09-11 19:55:12 -07:00
virt
virtio virtio_pci: pm: Use CONFIG_PM_SLEEP instead of CONFIG_PM 2013-09-09 10:02:53 +09:30
vlynq
vme
w1 Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
watchdog Merge git://www.linux-watchdog.org/linux-watchdog 2013-09-12 08:45:53 -07:00
xen Bug-fixes: 2013-09-12 11:28:24 -07:00
zorro
Kconfig
Makefile