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Subject[GIT pull] timer fix for 4.10
Linus,

please pull the latest timers-urgent-for-linus git tree from:

git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers-urgent-for-linus

Prevent NULL pointer dereferencing in the tick broadcast code. Old bug,
which got unearthed by the hotplug ordering problem.

Thanks,

tglx

------------------>
Thomas Gleixner (1):
tick/broadcast: Prevent NULL pointer dereference


kernel/time/tick-broadcast.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index f6aae7977824..d2a20e83ebae 100644
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -871,6 +871,9 @@ void tick_broadcast_setup_oneshot(struct clock_event_device *bc)
{
int cpu = smp_processor_id();

+ if (!bc)
+ return;
+
/* Set it up only once ! */
if (bc->event_handler != tick_handle_oneshot_broadcast) {
int was_periodic = clockevent_state_periodic(bc);
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