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>
diff --git a/kernel/notifier.c b/kernel/notifier.c
index fd2c9ac..6196af8 100644
--- a/kernel/notifier.c
+++ b/kernel/notifier.c
@@ -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--;