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Thomas Gleixner c4d029f2d4 tick/broadcast: Prevent NULL pointer dereference 
Dan reported that the recent changes to the broadcast code introduced
a potential NULL dereference.

Add the proper check.

Fixes: e045431190 "tick/broadcast: Sanity check the shutdown of the local clock_event"
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
 		2015-07-11 14:26:34 +02:00
..
Kconfig clockevents: Remove CONFIG_GENERIC_CLOCKEVENTS_BUILD 2015-04-01 14:22:57 +02:00
Makefile time: Remove development rules from Kbuild/Makefile 2015-07-01 09:57:35 +02:00
alarmtimer.c alarmtimer: Get rid of unused return value 2015-04-22 17:06:52 +02:00
clockevents.c clockevents: Allow set-state callbacks to be optional 2015-07-07 10:44:45 +02:00
clocksource.c clocksource: Use current logging style 2015-06-10 11:31:14 +02:00
hrtimer.c Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-06-22 18:57:44 -07:00
itimer.c time/timers: Move all time(r) related files into kernel/time 2014-06-23 11:22:35 +02:00
jiffies.c tick: Move clocksource related stuff to timekeeping.h 2015-04-01 14:22:58 +02:00
ntp.c ntp: Do leapsecond adjustment in adjtimex read path 2015-06-12 11:15:49 +02:00
ntp_internal.h time: Prevent early expiry of hrtimers[CLOCK_REALTIME] at the leap second edge 2015-06-12 11:15:49 +02:00
posix-clock.c kernel: Fix files explicitly needing EXPORT_SYMBOL infrastructure 2011-10-31 19:30:05 -04:00
posix-cpu-timers.c sched, timer: Use the atomic task_cputime in thread_group_cputimer 2015-05-08 12:17:46 +02:00
posix-timers.c hrtimer: Get rid of hrtimer_get_res() 2015-04-22 17:06:49 +02:00
sched_clock.c timers, sched/clock: Clean up the code a bit 2015-03-27 08:34:01 +01:00
test_udelay.c time: Rename udelay_test.c to test_udelay.c 2014-11-21 11:59:55 -08:00
tick-broadcast-hrtimer.c tick: hrtimer-broadcast: Prevent endless restarting when broadcast device is unused 2015-05-05 15:34:21 +02:00
tick-broadcast.c tick/broadcast: Prevent NULL pointer dereference 2015-07-11 14:26:34 +02:00
tick-common.c tick/broadcast: Make idle check independent from mode and config 2015-07-07 18:46:47 +02:00
tick-internal.h timer: Minimize nohz off overhead 2015-06-19 15:18:28 +02:00
tick-oneshot.c clockevents: Provide functions to set and get the state 2015-06-02 14:40:47 +02:00
tick-sched.c timer: Minimize nohz off overhead 2015-06-19 15:18:28 +02:00
tick-sched.h tick/broadcast: Make idle check independent from mode and config 2015-07-07 18:46:47 +02:00
time.c time: Refactor usecs_to_jiffies 2015-06-10 11:31:13 +02:00
timeconst.bc time: Move timeconst.h into include/generated 2015-05-19 15:13:45 +02:00
timeconv.c
…
timecounter.c timecounter: keep track of accumulated fractional nanoseconds 2014-12-30 18:29:27 -05:00
timekeeping.c Minor merge needed, due to function move. 2015-07-01 10:49:25 -07:00
timekeeping.h hrtimer: Make offset update smarter 2015-04-22 17:06:49 +02:00
timekeeping_debug.c timekeeping: Convert timekeeping core to use timespec64s 2014-07-23 10:17:54 -07:00
timekeeping_internal.h clocksource: Move cycle_last validation to core code 2014-07-23 15:01:51 -07:00
timer.c timer: Fix hotplug regression 2015-06-26 22:58:06 +02:00
timer_list.c timer: Reduce timer migration overhead if disabled 2015-06-19 15:18:28 +02:00
timer_stats.c timer: Stats: Simplify the flags handling 2015-06-19 15:18:27 +02:00