Bruno Prémont b07072e6a2 HID: picoLCD: prevent NULL pointer dereference on unplug ... [ 679.807480] BUG: unable to handle kernel NULL pointer dereference at 00000074 [ 679.814457] IP: [<de93b5bf>] picolcd_led_set_brightness+0x1f/0xb0 [hid_picolcd] [ 679.814457] *pde = 00000000 [ 679.814457] Oops: 0000 [#1] [ 679.814457] Modules linked in: hid_picolcd fb_sys_fops sysimgblt sysfillrect syscopyarea drm_kms_helper nfs lockd nfs_acl sunrpc [last unloaded: hid_picolcd] [ 679.814457] [ 679.814457] Pid: 272, comm: khubd Not tainted 3.5.0-jupiter-00006-g463a4c0 #1 NVIDIA Corporation. nFORCE-MCP/MS-6373 [ 679.814457] EIP: 0060:[<de93b5bf>] EFLAGS: 00010246 CPU: 0 [ 679.814457] EIP is at picolcd_led_set_brightness+0x1f/0xb0 [hid_picolcd] [ 679.814457] EAX: 00000000 EBX: d9f0c4e0 ECX: 00000000 EDX: 00000000 [ 679.814457] ESI: 00000000 EDI: dd6b79c0 EBP: dd4f7d90 ESP: dd4f7d80 [ 679.814457] DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068 [ 679.814457] CR0: 8005003b CR2: 00000074 CR3: 1d74e000 CR4: 000007d0 [ 679.814457] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [ 679.814457] DR6: ffff0ff0 DR7: 00000400 [ 679.814457] Process khubd (pid: 272, ti=dd4f6000 task=dd442470 task.ti=dd4f6000) [ 679.814457] Stack: [ 679.814457] 1d6c3300 d9f0c4e0 d9f0c4e0 dd6b79c0 dd4f7da0 c132912a 00000000 d9f0c4e0 [ 679.814457] dd4f7dac c132935d 00000000 dd4f7dc0 de93b847 dd6b79c0 00000282 c700ecc8 [ 679.814457] dd4f7ddc de93924f 00000004 c700ecc8 c700e060 c700ecbc c15ee300 dd4f7dec [ 679.814457] Call Trace: [ 679.814457] [<c132912a>] led_brightness_set+0x2a/0x30 [ 679.814457] [<c132935d>] led_classdev_unregister+0xd/0x50 [ 679.814457] [<de93b847>] picolcd_exit_leds+0x27/0x40 [hid_picolcd] [ 679.814457] [<de93924f>] picolcd_remove+0xbf/0x110 [hid_picolcd] [ 679.814457] [<c132c5dd>] hid_device_remove+0x3d/0x80 [ 679.814457] [<c1294126>] __device_release_driver+0x56/0xa0 [ 679.814457] [<c1294190>] device_release_driver+0x20/0x30 [ 679.814457] [<c1293bbf>] bus_remove_device+0x9f/0xc0 [ 679.814457] [<c1291a1d>] device_del+0xdd/0x150 [ 679.814457] [<c132c205>] hid_destroy_device+0x25/0x60 [ 679.814457] [<c13368cb>] usbhid_disconnect+0x1b/0x40 [ 679.814457] [<c12f4976>] usb_unbind_interface+0x46/0x170 [ 679.814457] [<c1294126>] __device_release_driver+0x56/0xa0 [ 679.814457] [<c1294190>] device_release_driver+0x20/0x30 [ 679.814457] [<c1293bbf>] bus_remove_device+0x9f/0xc0 [ 679.814457] [<c1291a1d>] device_del+0xdd/0x150 [ 679.814457] [<c12f2975>] usb_disable_device+0x85/0x1a0 [ 679.814457] [<c1053146>] ? __cond_resched+0x16/0x30 [ 679.814457] [<c12ebdb0>] usb_disconnect+0x80/0xf0 [ 679.814457] [<c12ed61f>] hub_thread+0x3df/0x1030 [ 679.814457] [<c10484a0>] ? wake_up_bit+0x30/0x30 [ 679.814457] [<c12ed240>] ? usb_remote_wakeup+0x40/0x40 [ 679.814457] [<c1047f94>] kthread+0x74/0x80 [ 679.814457] [<c1047f20>] ? flush_kthread_worker+0x90/0x90 [ 679.814457] [<c140e33e>] kernel_thread_helper+0x6/0xd [ 679.814457] Code: e0 25 00 e0 ff ff ff 48 14 eb 99 90 55 89 e5 83 ec 10 89 5d f4 89 75 f8 89 c3 89 7d fc 8b 40 1c 89 d6 8b 00 e8 13 89 95 e2 31 c9 <39> 5c 88 74 74 13 41 83 f9 08 75 f4 8b 5d f4 8b 75 f8 8b 7d fc [ 679.814457] EIP: [<de93b5bf>] picolcd_led_set_brightness+0x1f/0xb0 [hid_picolcd] SS:ESP 0068:dd4f7d80 [ 679.814457] CR2: 0000000000000074 [ 680.116438] ---[ end trace 6f0d9d63bff280ff ]--- Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>		2012-08-15 10:11:43 +02:00
..
accessibility
acpi	Merge branch 'pm-acpi'	2012-07-19 00:03:35 +02:00
amba
ata
atm
auxdisplay
base	Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2012-07-23 12:27:27 -07:00
bcma	bcma: add place for flash memory support	2012-07-17 15:11:40 -04:00
block	Power management updates for 3.6	2012-07-22 13:36:52 -07:00
bluetooth	Bluetooth: Introduce a flags variable to Three-wire UART state	2012-07-17 14:49:24 -03:00
cdrom
char	Merge git://www.linux-watchdog.org/linux-watchdog	2012-07-24 13:26:08 -07:00
clk	arm-soc: new SoC support	2012-07-23 16:31:31 -07:00
clocksource	arm-soc: new SoC support	2012-07-23 16:31:31 -07:00
connector	drivers: connector: fixed coding style issues	2012-07-16 23:23:52 -07:00
cpufreq	cpufreq: Fix sysfs deadlock with concurrent hotplug/frequency switch	2012-07-20 21:39:25 +02:00
cpuidle	Merge branch 'pm-domains'	2012-07-19 00:03:17 +02:00
crypto	arm-soc: clk changes	2012-07-23 17:51:03 -07:00
dca
devfreq
dio
dma
edac
eisa
extcon
firewire
firmware
gpio	arm-soc: sparse IRQ conversion	2012-07-23 17:36:02 -07:00
gpu	gma500,cdv: Fix the brightness base	2012-07-16 09:20:33 -07:00
hid	HID: picoLCD: prevent NULL pointer dereference on unplug	2012-08-15 10:11:43 +02:00
hsi
hv
hwmon	New drivers for DA9052/53 PMIC as well as HIH-6130/HIH-6131 humidity and	2012-07-24 13:29:18 -07:00
hwspinlock	hwspinlock/core: use global ID to register hwspinlocks on multiple devices	2012-07-07 22:35:30 +03:00
i2c	Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc	2012-07-23 18:54:23 -07:00
ide
idle	ACPI: intel_idle : break dependency between modules	2012-07-05 22:37:47 +02:00
ieee802154	drivers/ieee802154/at86rf230: rework irq handler	2012-07-12 07:54:45 -07:00
iio
infiniband	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next	2012-07-24 10:01:50 -07:00
input	arm-soc: clk changes	2012-07-23 17:51:03 -07:00
iommu	Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2012-07-22 12:19:36 -07:00
isdn	ISDN: Add check for usb_alloc_urb() result	2012-07-18 09:40:54 -07:00
leds
lguest
macintosh
md	Three fixes for device-mapper discard processing:	2012-07-20 11:51:22 -07:00
media	arm-soc: sparse IRQ conversion	2012-07-23 17:36:02 -07:00
memory
memstick
message
mfd	Linux 3.5-rc7	2012-07-15 21:49:21 +01:00
misc	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2012-07-19 11:17:30 -07:00
mmc	arm-soc: clk changes	2012-07-23 17:51:03 -07:00
mtd	Change the default amount of eraseblocks which UBI reserves for bad block	2012-07-23 15:53:06 -07:00
net	r8169: revert "add byte queue limit support".	2012-07-23 18:27:00 -07:00
nfc	NFC: Add ISO 14443 type B protocol	2012-07-09 16:42:24 -04:00
nubus
of	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next	2012-07-24 10:01:50 -07:00
oprofile
parisc
parport
pci	Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile	2012-07-23 19:10:54 -07:00
pcmcia
pinctrl	arm-soc: pincontrol drivers	2012-07-23 17:36:53 -07:00
platform	Power management updates for 3.6	2012-07-22 13:36:52 -07:00
pnp
power
pps
ps3
ptp
rapidio
regulator	Merge branch 'regulator-drivers' into regulator-next	2012-07-22 19:32:00 +01:00
remoteproc
rpmsg	rpmsg: fix dependency on initialization order	2012-07-17 13:10:38 +03:00
rtc	arm-soc: device tree description updates	2012-07-23 16:17:43 -07:00
s390	KVM updates for the 3.6 merge window	2012-07-24 12:01:20 -07:00
sbus
scsi	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next	2012-07-24 10:01:50 -07:00
sfi
sh	Merge branch 'common/pinctrl' into sh-latest	2012-07-20 16:42:59 +09:00
sn
spi	arm-soc: clk changes	2012-07-23 17:51:03 -07:00
ssb
staging	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next	2012-07-24 10:01:50 -07:00
target	iscsi-target: Drop bogus struct file usage for iSCSI/SCTP	2012-07-21 02:44:13 -07:00
tc
thermal
tty	Features:	2012-07-24 13:14:03 -07:00
uio
usb	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next	2012-07-24 10:01:50 -07:00
uwb
vhost	vhost: make vhost work queue visible	2012-07-22 01:22:23 +03:00
video	arm-soc: device tree description updates	2012-07-23 16:17:43 -07:00
virt
virtio	virtio-balloon: fix add/get API use	2012-07-09 09:07:22 +09:30
vlynq
vme
w1
watchdog	Merge git://www.linux-watchdog.org/linux-watchdog	2012-07-24 13:26:08 -07:00
xen	xen PVonHVM: move shared_info to MMIO before kexec	2012-07-19 15:52:05 -04:00
zorro
Kconfig
Makefile