alarmtimers: Avoid possible null pointer traversal
commit26cf1a7ba1a6cc19d48c993bebd3be94c48af74a
authorJohn Stultz <john.stultz@linaro.org>
Thu, 4 Aug 2011 14:25:35 +0000 (4 07:25 -0700)
committerGreg Kroah-Hartman <gregkh@suse.de>
Mon, 3 Oct 2011 18:40:06 +0000 (3 11:40 -0700)
treed58851c18bab62e7ce380ca8c32fa2b515149599
parent5607cbd164dc1913cc52abba893c0961617eafd2
alarmtimers: Avoid possible null pointer traversal

commit 971c90bfa2f0b4fe52d6d9002178d547706f1343 upstream.

We don't check if old_setting is non null before assigning it, so
correct this.

CC: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
kernel/time/alarmtimer.c