tick-broadcast: Stop active broadcast device when replacing it



When a better rated broadcast device is installed, then the current
active device is not disabled, which results in two running broadcast
devices.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org

parent b1f91966

kernel/time/tick-broadcast.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -71,7 +71,7 @@ int tick_check_broadcast_device(struct clock_event_device *dev)
		(dev->features & CLOCK_EVT_FEAT_C3STOP))
		return 0;

		clockevents_exchange_device(NULL, dev);
		clockevents_exchange_device(tick_broadcast_device.evtdev, dev);
		tick_broadcast_device.evtdev = dev;
		if (!cpumask_empty(tick_get_broadcast_mask()))
		tick_broadcast_start_periodic(dev);