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linux-stable/drivers
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Bruno Prémont 1cde501bb4 HID: picolcd: Prevent NULL pointer dereference on _remove() 
When picolcd is switched into bootloader mode (for FW flashing) make
sure not to try to dereference NULL-pointers of feature-devices during
unplug/unbind.

This fixes following BUG:
  BUG: unable to handle kernel NULL pointer dereference at 00000298
  IP: [<f811f56b>] picolcd_exit_framebuffer+0x1b/0x80 [hid_picolcd]
  *pde = 00000000
  Oops: 0000 [#1]
  Modules linked in: hid_picolcd syscopyarea sysfillrect sysimgblt fb_sys_fops
  CPU: 0 PID: 15 Comm: khubd Not tainted 3.11.0-rc7-00002-g50d62d4 #2
  EIP: 0060:[<f811f56b>] EFLAGS: 00010292 CPU: 0
  EIP is at picolcd_exit_framebuffer+0x1b/0x80 [hid_picolcd]
  Call Trace:
   [<f811d1ab>] picolcd_remove+0xcb/0x120 [hid_picolcd]
   [<c1469b09>] hid_device_remove+0x59/0xc0
   [<c13464ca>] __device_release_driver+0x5a/0xb0
   [<c134653f>] device_release_driver+0x1f/0x30
   [<c134603d>] bus_remove_device+0x9d/0xd0
   [<c13439a5>] device_del+0xd5/0x150
   [<c14696a4>] hid_destroy_device+0x24/0x60
   [<c1474cbb>] usbhid_disconnect+0x1b/0x40
   ...

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Cc: stable@kernel.org
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-09-02 13:36:50 +02:00
..
accessibility
acpi Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2013-07-04 10:29:23 -07:00
amba
ata Merge branch 'for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata 2013-07-03 19:49:46 -07:00
atm
auxdisplay
base Merge branch 'akpm' (updates from Andrew Morton) 2013-07-03 17:12:13 -07:00
bcma
block Merge branch 'akpm' (updates from Andrew Morton) 2013-07-03 17:12:13 -07:00
bluetooth
bus ARM SoC device tree changes 2013-07-02 14:23:01 -07:00
cdrom drivers/cdrom/cdrom.c: use kzalloc() for failing hardware 2013-07-03 16:07:25 -07:00
char Merge branch 'akpm' (updates from Andrew Morton) 2013-07-03 17:12:13 -07:00
clk Power management and ACPI updates for 3.11-rc1 2013-07-03 14:35:40 -07:00
clocksource Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm 2013-07-03 09:46:29 -07:00
connector
cpufreq Power management and ACPI updates for 3.11-rc1 2013-07-03 14:35:40 -07:00
cpuidle Power management and ACPI updates for 3.11-rc1 2013-07-03 14:35:40 -07:00
crypto ARM SoC driver specific changes 2013-07-02 14:33:21 -07:00
dca
devfreq Merge branch 'akpm' (updates from Andrew Morton) 2013-07-03 17:12:13 -07:00
dio
dma Merge branch 'akpm' (updates from Andrew Morton) 2013-07-03 17:12:13 -07:00
edac Add MCE signatures for family 0x15, models 30-3f. 2013-07-03 13:11:18 -07:00
eisa
extcon drivers: avoid format string in dev_set_name 2013-07-03 16:07:41 -07:00
firewire
firmware Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2013-07-04 10:29:23 -07:00
fmc
gpio Power management and ACPI updates for 3.11-rc1 2013-07-03 14:35:40 -07:00
gpu radeon: remove redundant __list_for_each definition from mkregtable.c 2013-07-03 16:07:43 -07:00
hid HID: picolcd: Prevent NULL pointer dereference on _remove() 2013-09-02 13:36:50 +02:00
hsi drivers: avoid format string in dev_set_name 2013-07-03 16:07:41 -07:00
hv
hwmon New driver to support GMT G762/G763 pwm fan controllers 2013-07-03 19:56:35 -07:00
hwspinlock
i2c Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2013-07-04 10:29:23 -07:00
ide drivers: avoid format string in dev_set_name 2013-07-03 16:07:41 -07:00
idle
iio
infiniband drivers: avoid format string in dev_set_name 2013-07-03 16:07:41 -07:00
input Merge branch 'exotic-arch-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k 2013-07-03 11:12:08 -07:00
iommu Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2013-07-04 10:29:23 -07:00
ipack
irqchip Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-07-02 16:14:35 -07:00
isdn drivers: avoid format string in dev_set_name 2013-07-03 16:07:41 -07:00
leds leds: mc13783: Fix "uninitialized variable" warning 2013-07-02 08:44:02 -07:00
lguest
macintosh
mailbox
md md/raid10: fix bug which causes all RAID10 reshapes to move no data. 2013-07-04 16:42:57 +10:00
media Merge branch 'akpm' (updates from Andrew Morton) 2013-07-03 17:12:13 -07:00
memory
memstick drivers/memstick/host/r592.c: convert to module_pci_driver 2013-07-03 16:08:06 -07:00
message drivers: avoid format strings in names passed to alloc_workqueue() 2013-07-03 16:07:41 -07:00
mfd sound updates for 3.11 2013-07-03 19:52:22 -07:00
misc sound updates for 3.11 2013-07-03 19:52:22 -07:00
mmc Power management and ACPI updates for 3.11-rc1 2013-07-03 14:35:40 -07:00
mtd drivers: avoid parsing names as kthread_run() format strings 2013-07-03 16:07:41 -07:00
net Merge branch 'akpm' (updates from Andrew Morton) 2013-07-03 17:12:13 -07:00
nfc
ntb
nubus
of
oprofile
parisc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-07-03 09:10:19 -07:00
parport Merge branch 'akpm' (updates from Andrew Morton) 2013-07-03 17:12:13 -07:00
pci Merge branch 'akpm' (updates from Andrew Morton) 2013-07-03 17:12:13 -07:00
pcmcia Driver core patches for 3.11-rc1 2013-07-02 11:44:19 -07:00
pinctrl Pin control changes for the v3.11 kernel cycle: 2013-07-03 11:48:03 -07:00
platform drivers: avoid format string in dev_set_name 2013-07-03 16:07:41 -07:00
pnp Power management and ACPI updates for 3.11-rc1 2013-07-03 14:35:40 -07:00
power
pps pps-gpio: add device-tree binding and support 2013-07-03 16:08:06 -07:00
ps3
ptp
pwm
rapidio rapidio: change endpoint device name format 2013-07-03 16:08:05 -07:00
regulator regulator: Updates for v3.11 2013-07-03 11:56:38 -07:00
remoteproc
reset
rpmsg
rtc drivers/rtc/rtc-sirfsoc.c: add rtc drivers for CSR SiRFprimaII and SiRFatlasVI 2013-07-03 16:08:01 -07:00
s390 Merge branch 'akpm' (updates from Andrew Morton) 2013-07-03 17:12:13 -07:00
sbus
scsi Merge branch 'for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata 2013-07-03 19:49:46 -07:00
sfi
sh
sn
spi Merge branch 'akpm' (updates from Andrew Morton) 2013-07-03 17:12:13 -07:00
ssb
ssbi
staging Merge branch 'akpm' (updates from Andrew Morton) 2013-07-03 17:12:13 -07:00
target
tc
thermal
tty Power management and ACPI updates for 3.11-rc1 2013-07-03 14:35:40 -07:00
uio uio: use vma_pages() to replace (vm_end - vm_start) >> PAGE_SHIFT 2013-07-03 16:07:26 -07:00
usb Merge branch 'akpm' (updates from Andrew Morton) 2013-07-03 17:12:13 -07:00
uwb drivers: avoid format string in dev_set_name 2013-07-03 16:07:41 -07:00
vfio Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2013-07-04 10:29:23 -07:00
vhost
video Merge branch 'akpm' (updates from Andrew Morton) 2013-07-03 17:12:13 -07:00
virt
virtio Merge branch 'akpm' (updates from Andrew Morton) 2013-07-03 17:12:13 -07:00
vlynq
vme
w1 drivers/w1/slaves/w1_ds2408.c: add magic sequence to disable P0 test mode 2013-07-03 16:08:06 -07:00
watchdog Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2013-07-04 10:29:23 -07:00
xen Merge branch 'akpm' (updates from Andrew Morton) 2013-07-03 17:12:13 -07:00
zorro
Kconfig
Makefile