Paolo Pisati f5c3ef21db cpufreq: check OF node /cpus presence before dereferencing it ... Check for the presence of the '/cpus' OF node before dereferencing it blindly: [ 4.181793] Unable to handle kernel NULL pointer dereference at virtual address 0000001c [ 4.181793] pgd = c0004000 [ 4.181823] [0000001c] *pgd=00000000 [ 4.181823] Internal error: Oops: 5 [#1] SMP ARM [ 4.181823] Modules linked in: [ 4.181823] CPU: 1 Tainted: G W (3.8.0-15-generic #25~hbankD) [ 4.181854] PC is at of_get_next_child+0x64/0x70 [ 4.181854] LR is at of_get_next_child+0x24/0x70 [ 4.181854] pc : [<c04fda18>] lr : [<c04fd9d8>] psr: 60000113 [ 4.181854] sp : ed891ec0 ip : ed891ec0 fp : ed891ed4 [ 4.181884] r10: c04dafd0 r9 : c098690c r8 : c0936208 [ 4.181884] r7 : ed890000 r6 : c0a63d00 r5 : 00000000 r4 : 00000000 [ 4.181884] r3 : 00000000 r2 : 00000000 r1 : 00000000 r0 : c0b2acc8 [ 4.181884] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel [ 4.181884] Control: 10c5387d Table: adcb804a DAC: 00000015 [ 4.181915] Process swapper/0 (pid: 1, stack limit = 0xed890238) [ 4.181915] Stack: (0xed891ec0 to 0xed892000) [ 4.181915] 1ec0: c09b7b70 00000007 ed891efc ed891ed8 c04daff4 c04fd9c0 00000000 c09b7b70 [ 4.181915] 1ee0: 00000007 c0a63d00 ed890000 c0936208 ed891f54 ed891f00 c00088e0 c04dafdc [ 4.181945] 1f00: ed891f54 ed891f10 c006e940 00000000 00000000 00000007 00000007 c08a4914 [ 4.181945] 1f20: 00000000 c07dbd30 c0a63d00 c09b7b70 00000007 c0a63d00 000000bc c0936208 [ 4.181945] 1f40: c098690c c0986914 ed891f94 ed891f58 c0936a40 c00087bc 00000007 00000007 [ 4.181976] 1f60: c0936208 be8bda20 b6eea010 c0a63d00 c064547c 00000000 00000000 00000000 [ 4.181976] 1f80: 00000000 00000000 ed891fac ed891f98 c0645498 c09368c8 00000000 00000000 [ 4.181976] 1fa0: 00000000 ed891fb0 c0014658 c0645488 00000000 00000000 00000000 00000000 [ 4.182006] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 4.182006] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000 [ 4.182037] [<c04fda18>] (of_get_next_child+0x64/0x70) from [<c04daff4>] (cpu0_cpufreq_driver_init+0x24/0x284) [ 4.182067] [<c04daff4>] (cpu0_cpufreq_driver_init+0x24/0x284) from [<c00088e0>] (do_one_initcall+0x130/0x1b0) [ 4.182067] [<c00088e0>] (do_one_initcall+0x130/0x1b0) from [<c0936a40>] (kernel_init_freeable+0x184/0x24c) [ 4.182098] [<c0936a40>] (kernel_init_freeable+0x184/0x24c) from [<c0645498>] (kernel_init+0x1c/0xf4) [ 4.182128] [<c0645498>] (kernel_init+0x1c/0xf4) from [<c0014658>] (ret_from_fork+0x14/0x20) [ 4.182128] Code: f57ff04f e320f004 e89da830 e89da830 (e595001c) [ 4.182128] ---[ end trace 634903a22e8609cb ]--- [ 4.182189] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b [ 4.182189] [ 4.642395] CPU0: stopping [rjw: Changelog] Signed-off-by: Paolo Pisati <paolo.pisati@canonical.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>		2013-04-02 01:36:08 +02:00
..
accessibility
acpi	PCI / ACPI: hold acpi_scan_lock during root bus hotplug	2013-03-27 00:06:07 +01:00
amba	ARM: 7675/1: amba: tegra-ahb: Fix build error w/ PM_SLEEP w/o PM_RUNTIME	2013-03-15 17:20:02 +00:00
ata	Simple stuff. See one-line summaries.	2013-03-23 12:33:36 -07:00
atm	hlist: drop the node parameter from iterators	2013-02-27 19:10:24 -08:00
auxdisplay
base	PM / QoS: Avoid possible deadlock related to sysfs access	2013-04-02 01:25:24 +02:00
bcma	Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem	2013-03-01 13:52:03 -05:00
block	for-linus-20130331	2013-03-31 11:38:59 -07:00
bluetooth	Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth	2013-03-18 15:17:11 -04:00
bus
cdrom
char	Simple virtio-rng fix.	2013-03-12 20:28:45 -07:00
clk	clk: vt8500: Fix "fix device clock divisor calculations"	2013-03-14 22:34:26 +01:00
clocksource	ImgTec Meta architecture changes for v3.9-rc1	2013-03-03 12:06:09 -08:00
connector	proc connector: reject unprivileged listener bumps	2013-02-27 13:08:35 -05:00
cpufreq	cpufreq: check OF node /cpus presence before dereferencing it	2013-04-02 01:36:08 +02:00
cpuidle
crypto	Revert "crypto: caam - add IPsec ESN support"	2013-03-21 17:36:03 +08:00
dca	dca: convert to idr_alloc()	2013-02-27 19:10:15 -08:00
devfreq
dio
dma	dw_dmac: adjust slave_id accordingly to request line base	2013-03-30 04:34:07 +05:30
edac	EDAC: Merge mci.mem_is_per_rank with mci.csbased	2013-03-16 06:32:30 +01:00
eisa
extcon	extcon: max77693: Initialize register of MUIC device to bring up it without platform data	2013-03-13 17:38:57 +09:00
firewire	firewire: convert to idr_alloc()	2013-02-27 19:10:15 -08:00
firmware	efivars: Fix check for CONFIG_EFI_VARS_PSTORE_DEFAULT_DISABLE	2013-03-22 20:08:01 +00:00
gpio	Here are a few pinctrl fixes for the v3.9 rc series:	2013-03-24 10:11:29 -07:00
gpu	Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel into HEAD	2013-03-25 12:20:00 +10:00
hid	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid	2013-03-27 11:18:43 -07:00
hsi	hsi: fix kernel-doc warnings	2013-03-01 13:39:00 -08:00
hv	Drivers: hv: vmbus: Use the new infrastructure for delivering VMBUS interrupts	2013-02-27 10:15:53 -08:00
hwmon	hwmon: (lm75.h) Update header inclusion	2013-03-18 21:19:49 +01:00
hwspinlock
i2c	Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux	2013-03-23 12:32:14 -07:00
ide	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2013-02-26 20:16:07 -08:00
idle	Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2013-02-22 19:25:09 -08:00
iio	First round of iio fixes post the 3.9 merge window.	2013-03-06 05:48:24 +08:00
infiniband	Small batch of InfiniBand/RDMA fixes for 3.9:	2013-03-25 09:44:40 -07:00
input	arm-soc: bug fixes for 3.9-rc3	2013-03-18 08:17:14 -07:00
iommu	IOMMU fixes for Linux v3.9-rc4	2013-03-27 09:25:11 -07:00
ipack
irqchip	irqchip: fix typo when moving gic_raise_softirq()	2013-03-04 17:15:33 -08:00
isdn	isdn: hisax: netjet requires VIRT_TO_BUS	2013-03-17 12:01:10 -04:00
leds	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds	2013-02-26 09:29:02 -08:00
lguest	All trivial, thanks to the stuff which didn't quite make it time.	2013-02-26 14:49:12 -08:00
macintosh	Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc	2013-02-23 17:09:55 -08:00
mailbox	mailbox, pl320-ipc: remove __init from probe function	2013-03-04 14:23:11 +01:00
md	A few bugfixes for md	2013-03-23 15:49:49 -07:00
media	[media] [REGRESSION] bt8xx: Fix too large height in cropcap	2013-03-26 08:37:00 -03:00
memory
memstick	memstick: move the dereference below the NULL test	2013-02-27 19:10:23 -08:00
message
mfd	mfd: twl4030-madc: Remove __exit_p annotation	2013-03-15 07:42:22 +01:00
misc	VMCI: Fix process-to-process DRGAMs.	2013-03-15 12:58:12 -07:00
mmc	Merge branches 'devel-stable', 'fixes' and 'mmci' into for-linus	2013-03-03 00:32:50 +00:00
mtd	MTD fixes for 3.9	2013-03-18 08:27:41 -07:00
net	bonding: remove already created master sysfs link on failure	2013-03-26 13:00:02 -04:00
nfc
ntb
nubus
of	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2013-02-21 17:40:58 -08:00
oprofile	fs: Limit sys_mount to only request filesystem modules.	2013-03-03 19:36:31 -08:00
parisc	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2013-02-26 20:16:07 -08:00
parport	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux	2013-02-21 17:54:03 -08:00
pci	PCI: Use ROM images from firmware only if no other ROM source available	2013-03-19 14:51:14 -07:00
pcmcia	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2013-02-21 17:40:58 -08:00
pinctrl	Here are a few pinctrl fixes for the v3.9 rc series:	2013-03-24 10:11:29 -07:00
platform	Platform: x86: chromeos_laptop : Add basic platform data for atmel devices	2013-03-08 16:03:29 -08:00
pnp	ACPI / glue: Add .match() callback to struct acpi_bus_type	2013-03-04 14:23:40 +01:00
power	power: convert to idr_alloc()	2013-02-27 19:10:18 -08:00
pps	drivers/pps/clients/pps-gpio.c: use devm_kzalloc	2013-02-27 19:10:23 -08:00
ps3
ptp
pwm	pwm: Changes for v3.9-rc1	2013-02-26 09:34:29 -08:00
rapidio
regulator	Merge remote-tracking branch 'regulator/fix/twl' into tmp	2013-03-05 10:12:43 +08:00
remoteproc	remoteproc: convert to idr_alloc()	2013-02-27 19:10:18 -08:00
rpmsg	rpmsg: convert to idr_alloc()	2013-02-27 19:10:18 -08:00
rtc	drivers/rtc/rtc-at91rm9200.c: use a variable for storing IMR	2013-03-22 16:41:20 -07:00
s390	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2013-03-19 13:20:51 -07:00
sbus	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2013-02-26 20:16:07 -08:00
scsi	ACPI / glue: Add .match() callback to struct acpi_bus_type	2013-03-04 14:23:40 +01:00
sfi
sh
sn
spi
ssb	Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into mips-for-linux-next	2013-02-22 10:07:30 +01:00
staging	staging: comedi: s626: fix continuous acquisition	2013-03-25 11:35:38 -07:00
target	target: Fix RESERVATION_CONFLICT status regression for iscsi-target special case	2013-03-28 23:42:47 -07:00
tc
thermal	thermal: exynos_thermal: return a proper error code while thermal_zone_device_register fail.	2013-03-11 23:09:29 +08:00
tty	TTY/serial fixes for 3.9-rc4	2013-03-28 15:53:33 -07:00
uio	uio: convert to idr_alloc()	2013-02-27 19:10:19 -08:00
usb	USB / PM: Don't try to hide PM QoS flags from usb_port_device_release()	2013-04-02 01:25:09 +02:00
uwb
vfio	vfio: include <linux/slab.h> for kmalloc	2013-03-15 12:58:20 -06:00
vhost	Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending	2013-03-30 13:13:05 -07:00
video	* Fix OMAP1 compilation	2013-03-28 13:44:40 -07:00
virt
virtio	All trivial, thanks to the stuff which didn't quite make it time.	2013-02-26 14:49:12 -08:00
vlynq
vme
w1	w1: fix oops when w1_search is called from netlink connector	2013-03-12 16:20:46 -07:00
watchdog	watchdog: sp5100_tco: Set the AcpiMmioSel bitmask value to 1 instead of 2	2013-03-22 23:21:55 +01:00
xen	Bug-fixes:	2013-03-27 12:56:25 -07:00
zorro	new helper: file_inode(file)	2013-02-22 23:31:31 -05:00
Kconfig
Makefile	Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc	2013-02-23 17:09:55 -08:00