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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
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commit c1be84309c58b1e7c6d626e28fba41a22b364c3d 1 parent b1f9196
Thomas Gleixner authored
Showing with 1 addition and 1 deletion.
  1. +1 −1  kernel/time/tick-broadcast.c
2  kernel/time/tick-broadcast.c
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@@ -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);
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