mutex: fix double unlock in fio_mutex_down_timeout()

In case of error, we unlock twice.

Fixes: 09400a60042e ("mutex: fixup fio_mutex_down_timeout()")
Signed-off-by: Jens Axboe <axboe@fb.com>

diff --git a/mutex.c b/mutex.c
index a48e37d0f11a947efbdcb6a278c59b82b58b3372..16107dd4e5ca796701733354e31e95d5e0c9ae83 100644 (file)
--- a/mutex.c
+++ b/mutex.c
@@ -136,6 +136,7 @@ int fio_mutex_down_timeout(struct fio_mutex *mutex, unsigned int msecs)
        if (!ret) {
                mutex->value--;
                pthread_mutex_unlock(&mutex->lock);
+               return 0;
        }
 
        pthread_mutex_unlock(&mutex->lock);