Signed-off-by: liguang <lig.f...@cn.fujitsu.com>
---
kernel/semaphore.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/semaphore.c b/kernel/semaphore.c
index 4567fc0..9c7017d 100644
--- a/kernel/semaphore.c
+++ b/kernel/semaphore.c
@@ -214,7 +214,7 @@ static inline int __sched __down_common(struct semaphore
*sem, long state,
for (;;) {
if (signal_pending_state(state, task))
goto interrupted;
- if (timeout <= 0)
+ if (unlikely(timeout <= 0))
goto timed_out;
__set_task_state(task, state);
raw_spin_unlock_irq(&sem->lock);
--
1.7.2.5
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