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timer: Check failure of timer_cpu_notify() before calling init_timer_stats()

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timer_cpu_notify() should return NOTIFY_OK and nothing else. Anything else would
trigger a BUG_ON(). Return value of this routine is already checked correctly
but is done after issuing a call to init_timer_stats(). The right order would be
to check the error case first and then call init_timer_stats(). Lets do it.

Signed-off-by: Viresh Kumar <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Link: http://lkml.kernel.org/r/c439f5b6bbc2047e1662f4d523350531425bcf9d.1393576981.git.viresh.kumar@linaro.org
Signed-off-by: Thomas Gleixner <[email protected]>
This commit is contained in:
Viresh Kumar 2014-02-28 14:15:21 +05:30 • committed by Thomas Gleixner
commit c24a4a3694
1 changed files with 2 additions and 2 deletions
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4
kernel/timer.c
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@ -1681,9 +1681,9 @@ void __init init_timers(void)
err = timer_cpu_notify(&timers_nb, (unsigned long)CPU_UP_PREPARE,
(void *)(long)smp_processor_id());
init_timer_stats();
BUG_ON(err != NOTIFY_OK);
init_timer_stats();
register_cpu_notifier(&timers_nb);
open_softirq(TIMER_SOFTIRQ, run_timer_softirq);
}