Zhang Rui d567c686ae Thermal: fix a NULL pointer dereference when generic thermal layer is built as a module ... [ 12.761956] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018 [ 12.762016] IP: [<ffffffffa0005277>] handle_thermal_trip+0x47/0x130 [thermal_sys] [ 12.762060] PGD 1fec74067 PUD 1fee5b067 PMD 0 [ 12.762127] Oops: 0000 [#1] SMP [ 12.762177] Modules linked in: hid_generic crc32c_intel usbhid hid firewire_ohci(+) e1000e(+) firewire_core crc_itu_t xhci_hcd(+) thermal(+) fan thermal_sys hwmon [ 12.762423] CPU 1 [ 12.762443] Pid: 187, comm: modprobe Tainted: G A 3.7.0-thermal-module+ #25 /DH77DF [ 12.762496] RIP: 0010:[<ffffffffa0005277>] [<ffffffffa0005277>] handle_thermal_trip+0x47/0x130 [thermal_sys] [ 12.762682] RSP: 0018:ffff8801fe7ddc18 EFLAGS: 00010282 [ 12.762704] RAX: 0000000000000000 RBX: ffff8801ff3e9c00 RCX: ffff8801fdc39800 [ 12.762728] RDX: ffff8801fe7ddc24 RSI: 0000000000000001 RDI: ffff8801ff3e9c00 [ 12.762764] RBP: ffff8801fe7ddc48 R08: 0000000004000000 R09: ffffffffa001f568 [ 12.762797] R10: ffffffff81363083 R11: 0000000000000001 R12: 0000000000000001 [ 12.762832] R13: 0000000000000000 R14: 0000000000000001 R15: ffff8801fde73e68 [ 12.762866] FS: 00007f5548516700(0000) GS:ffff88021f240000(0000) knlGS:0000000000000000 [ 12.762912] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 12.762946] CR2: 0000000000000018 CR3: 00000001fefe2000 CR4: 00000000001407e0 [ 12.762979] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 12.763014] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 12.763048] Process modprobe (pid: 187, threadinfo ffff8801fe7dc000, task ffff8801fe5bdb40) [ 12.763095] Stack: [ 12.763122] 0000000000019640 00000000fdc39800 ffff8801fe7ddc48 ffff8801ff3e9c00 [ 12.763225] 0000000000000002 0000000000000000 ffff8801fe7ddc78 ffffffffa00053e7 [ 12.763338] ffff8801ff3e9c00 0000000000006c98 ffffffffa0007480 ffff8801ff3e9c00 [ 12.763440] Call Trace: [ 12.763470] [<ffffffffa00053e7>] thermal_zone_device_update+0x77/0xa0 [thermal_sys] [ 12.763515] [<ffffffffa0006d38>] thermal_zone_device_register+0x788/0xa88 [thermal_sys] [ 12.763562] [<ffffffffa001f394>] acpi_thermal_add+0x360/0x4c8 [thermal] [ 12.763598] [<ffffffff8133902a>] acpi_device_probe+0x50/0x190 [ 12.763632] [<ffffffff811bd793>] ? sysfs_create_link+0x13/0x20 [ 12.763666] [<ffffffff813cc41b>] driver_probe_device+0x7b/0x240 [ 12.763699] [<ffffffff813cc68b>] __driver_attach+0xab/0xb0 [ 12.763732] [<ffffffff813cc5e0>] ? driver_probe_device+0x240/0x240 [ 12.763766] [<ffffffff813ca836>] bus_for_each_dev+0x56/0x90 [ 12.763799] [<ffffffff813cbf4e>] driver_attach+0x1e/0x20 [ 12.763831] [<ffffffff813cbac0>] bus_add_driver+0x190/0x290 [ 12.763864] [<ffffffffa0022000>] ? 0xffffffffa0021fff [ 12.763896] [<ffffffff813ccbea>] driver_register+0x7a/0x160 [ 12.763928] [<ffffffffa0022000>] ? 0xffffffffa0021fff [ 12.763960] [<ffffffff813399fb>] acpi_bus_register_driver+0x43/0x45 [ 12.763995] [<ffffffffa002203a>] acpi_thermal_init+0x3a/0x42 [thermal] [ 12.764029] [<ffffffff8100207f>] do_one_initcall+0x3f/0x170 [ 12.764063] [<ffffffff810b1a5f>] sys_init_module+0x8f/0x200 [ 12.764097] [<ffffffff815ff259>] system_call_fastpath+0x16/0x1b [ 12.764129] Code: 48 8b 87 c8 02 00 00 41 89 f4 48 8d 55 dc ff 50 28 44 8b 6d dc 41 8d 45 fe 83 f8 01 76 5e 48 8b 83 d8 02 00 00 44 89 e6 48 89 df <ff> 50 18 4c 8d a3 10 03 00 00 4c 89 e7 e8 87 f1 5e e1 8b 83 bc [ 12.765164] RIP [<ffffffffa0005277>] handle_thermal_trip+0x47/0x130 [thermal_sys] [ 12.765223] RSP <ffff8801fe7ddc18> [ 12.765252] CR2: 0000000000000018 [ 12.765284] ---[ end trace 7723294cdfb00d2a ]--- This is because thermal_zone_device_update() is invoked before any thermal governors being registered. Signed-off-by: Zhang Rui <rui.zhang@intel.com>		2012-12-12 15:23:54 +08:00
..
accessibility
acpi	Thermal: Pass zone parameters as argument to tzd_register	2012-11-05 13:59:57 +08:00
amba
ata	Merge branch 'samsung_platform_data' into staging/for_v3.7	2012-10-05 22:32:05 -03:00
atm	sections: fix section conflicts in drivers/atm	2012-10-06 03:04:40 +09:00
auxdisplay
base	Power management and ACPI fixes for 3.7-rc3	2012-10-26 14:23:35 -07:00
bcma	bcma: fix unregistration of cores	2012-10-15 14:45:51 -04:00
block	loop: Make explicit loop device destruction lazy	2012-10-30 08:37:31 +01:00
bluetooth	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next	2012-10-02 13:38:27 -07:00
bus	drivers: bus: omap_l3: fixup merge conflict resolution	2012-10-01 19:39:48 -07:00
cdrom
char	sonypi: suspend/resume callbacks should be conditionally compiled on CONFIG_PM_SLEEP	2012-10-25 12:05:50 -07:00
clk	spi: Updates for v3.7	2012-10-02 17:26:42 -07:00
clocksource	Power management updates for 3.7-rc1	2012-10-02 18:32:35 -07:00
connector	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next	2012-10-02 13:38:27 -07:00
cpufreq	cpufreq / powernow-k8: Change maintainer's email address	2012-10-31 21:02:57 +01:00
cpuidle	ACPI idle, CPU hotplug: Fix NULL pointer dereference during hotplug	2012-10-08 22:52:54 -04:00
crypto	ARM: soc: late platform updates	2012-10-07 20:55:16 +09:00
dca
devfreq
dio
dma	Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dma	2012-10-26 14:59:01 -07:00
edac	amd64_edac:__amd64_set_scrub_rate(): avoid overindexing scrubrates[]	2012-10-24 16:13:27 +02:00
eisa
extcon	extcon : register for cable interest by cable name	2012-10-23 16:32:18 +09:00
firewire	firewire: cdev: fix user memory corruption (i386 userland on amd64 kernel)	2012-10-09 18:26:28 +02:00
firmware	firmware/memmap: avoid type conflicts with the generic memmap_init()	2012-10-19 14:07:47 -07:00
gpio	Some GPIO fixes for the v3.7 series since -rc1:	2012-10-30 15:56:22 -07:00
gpu	drm/udl: fix stride issues scanning out stride != width*bpp	2012-11-02 10:31:37 +10:00
hid	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid	2012-10-31 15:39:28 -07:00
hsi
hv	Drivers: hv: Cleanup error handling in vmbus_open()	2012-10-24 15:46:27 -07:00
hwmon	hwmon: Only include of_match_table with CONFIG_OF_GPIO	2012-11-01 17:31:20 -07:00
hwspinlock
i2c	Merge branch 'i2c-embedded/for-current' of git://git.pengutronix.de/git/wsa/linux	2012-11-03 15:14:54 -07:00
ide	sections: fix section conflicts in drivers/ide	2012-10-06 03:04:41 +09:00
idle	intel_idle: enable IVB Xeon support	2012-09-26 22:28:21 -04:00
iio	iio: Remove duplicates for light/ in Kconfig and Makefile	2012-10-19 19:44:06 +01:00
infiniband	Merge branches 'cxgb4' and 'mlx4' into for-next	2012-10-23 09:03:49 -07:00
input	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input	2012-11-02 16:11:15 -07:00
iommu	iommu/tegra: smmu: Fix deadly typo	2012-10-24 16:58:53 +02:00
irqchip
isdn	bas_gigaset: fix pre_reset handling	2012-10-26 02:20:36 -04:00
leds	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds	2012-10-10 20:14:07 +09:00
lguest	Merge branch 'virtio-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux	2012-10-07 21:04:56 +09:00
macintosh	Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc	2012-10-06 03:16:12 +09:00
md	MD RAID10: Fix oops when creating RAID10 arrays via dm-raid.c	2012-10-31 11:42:30 +11:00
media	[media] Kconfig: Fix dependencies for driver autoselect options	2012-10-17 16:45:56 -03:00
memory	memory: tegra{20,30}-mc: Fix reading incorrect register in mc_readl()	2012-09-26 14:04:09 -07:00
memstick
message
mfd	1. New drivers:	2012-10-07 17:29:24 +09:00
misc	pwm: Changes for v3.7-rc1	2012-10-10 20:15:24 +09:00
mmc	mmc: mxs-mmc: Fix merge issue causing build error	2012-10-11 17:21:40 -04:00
mtd	mtd: Disable mtdchar mmap on MMU systems	2012-10-09 15:08:42 +01:00
net	vmxnet3: must split too big fragments	2012-11-02 21:58:09 -04:00
nfc	NFC: Fix missing mutex unlock in pn533_send_cmd_frame_async	2012-09-27 10:47:48 +02:00
nubus
of	of/platform: sparse fix	2012-10-17 15:53:03 -05:00
oprofile	mm: use mm->exe_file instead of first VM_EXECUTABLE vma->vm_file	2012-10-09 16:22:18 +09:00
parisc
parport	Xtensa patchset for 3.7	2012-10-09 16:11:46 +09:00
pci	Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc	2012-10-06 03:16:12 +09:00
pcmcia	Merge branch 'testing/driver-warnings' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into fixes	2012-10-19 15:40:18 -07:00
pinctrl	pinctrl/nomadik: pass DT node to the irqdomain	2012-10-23 11:52:25 +02:00
platform	Thermal: Pass zone parameters as argument to tzd_register	2012-11-05 13:59:57 +08:00
pnp
power	Thermal: Pass zone parameters as argument to tzd_register	2012-11-05 13:59:57 +08:00
pps	idr: rename MAX_LEVEL to MAX_IDR_LEVEL	2012-10-06 03:04:56 +09:00
ps3
ptp
pwm	pwm: Changes for v3.7-rc1	2012-10-10 20:15:24 +09:00
rapidio	rapidio: update for destination ID allocation	2012-10-11 08:50:15 +09:00
regulator	MFD bits for the 3.7 merge window.	2012-10-05 12:01:30 +09:00
remoteproc	Merge branch 'virtio-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux	2012-10-07 21:04:56 +09:00
rpmsg	Merge branch 'virtio-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux	2012-10-07 21:04:56 +09:00
rtc	drivers/rtc/rtc-imxdi.c: add missing spin lock initialization	2012-10-25 14:37:53 -07:00
s390	s390/css: stop stsch loop after cc 3	2012-10-18 17:50:08 +02:00
sbus
scsi	qla2xxx: Update target lookup session tables when a target session changes	2012-10-26 12:29:46 -07:00
sfi
sh	sh: Fix up more fallout from pointless ARM __iomem churn.	2012-10-15 14:08:48 +09:00
sn
spi	spi: Some minor MXS fixes	2012-10-28 11:13:54 -07:00
ssb
staging	Thermal: Pass zone parameters as argument to tzd_register	2012-11-05 13:59:57 +08:00
target	target: Fix incorrect usage of nested IRQ spinlocks in ABORT_TASK path	2012-11-01 00:38:45 -07:00
tc
thermal	Thermal: fix a NULL pointer dereference when generic thermal layer is built as a module	2012-12-12 15:23:54 +08:00
tty	Revert "serial: omap: fix software flow control"	2012-10-24 11:57:21 -07:00
uio	mm: kill vma flag VM_RESERVED and mm->reserved_vm counter	2012-10-09 16:22:19 +09:00
usb	xhci: trivial: Remove assigned but unused ep_ctx.	2012-10-25 13:13:48 -07:00
uwb
vfio	vfio: Fix PCI INTx disable consistency	2012-10-10 09:10:32 -06:00
vhost	vhost: fix mergeable bufs on BE hosts	2012-10-24 23:19:30 -04:00
video	Bug-fixes:	2012-11-02 13:26:11 -07:00
virt
virtio	virtio_mmio: Don't attempt to create empty virtqueues	2012-09-28 15:05:16 +09:30
vlynq
vme
w1	char/misc driver merge for 3.7-rc1	2012-10-01 12:09:59 -07:00
watchdog	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu	2012-10-07 21:06:10 +09:00
xen	Bug-fixes:	2012-11-02 13:26:11 -07:00
zorro
Kconfig	ARM: soc: driver specific changes	2012-10-01 18:46:13 -07:00
Makefile	IPMI: Change link order	2012-10-16 18:07:12 -07:00