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kernel/notifier.c: simplify expression 

NOTIFY_STOP_MASK (0x8000) has only one bit set and there is no need to
compare output of "ret & NOTIFY_STOP_MASK" to NOTIFY_STOP_MASK.  We just
need to make sure the output is non-zero, that's it.

Link: http://lkml.kernel.org/r/88ee58264a2bfab1c97ffc8ac753e25f55f57c10.1483593065.git.viresh.kumar@linaro.org
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
zero-colors
Viresh Kumar 2017-02-24 15:00:44 -08:00 committed by Linus Torvalds
parent 9c57b5808c
commit 3e6daded1f
1 changed files with 1 additions and 1 deletions
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2
kernel/notifier.c
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@ -95,7 +95,7 @@ static int notifier_call_chain(struct notifier_block **nl,
if (nr_calls)
(*nr_calls)++;
if ((ret & NOTIFY_STOP_MASK) == NOTIFY_STOP_MASK)
if (ret & NOTIFY_STOP_MASK)
break;
nb = next_nb;
nr_to_call--;