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ipc,sem: use current->state helpers

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Call __set_current_state() instead of assigning the new state directly.
These interfaces also aid CONFIG_DEBUG_ATOMIC_SLEEP environments, keeping
track of who changed the state.

Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Davidlohr Bueso 2015-02-17 13:47:55 -08:00 committed by Linus Torvalds
parent a9c5bcfa43
commit 52644c9ab3
1 changed files with 1 additions and 1 deletions
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ipc/sem.c
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@ -1941,7 +1941,7 @@ SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsops,
queue.sleeper = current; queue.sleeper = current;
sleep_again: sleep_again:
current->state = TASK_INTERRUPTIBLE; __set_current_state(TASK_INTERRUPTIBLE);
sem_unlock(sma, locknum); sem_unlock(sma, locknum);
rcu_read_unlock(); rcu_read_unlock();