Molnar <mingo@elte.hu> 1276850816 +0200

sched: task_tick_rt: Remove the obsolete ->signal != NULL check

Remove the obsolete ->signal != NULL check in watchdog().
Since ea6d290c ->signal can't be NULL.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20100610230948.GA25911@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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