提交 aa3a6f45 编写于 作者: A Arthur Othieno 提交者: Linus Torvalds

[PATCH] xtensa: struct semaphore.sleepers initialization

No one may sleep on us until we've been down()'d.  So on allocation,
initialize `sleepers' to 0, just like everyone else does.
Signed-off-by: NArthur Othieno <a.othieno@bluewin.ch>
Acked-by: NChristian Zankel <chris@zankel.net>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 23f88fe4
......@@ -38,6 +38,7 @@ struct semaphore {
static inline void sema_init (struct semaphore *sem, int val)
{
atomic_set(&sem->count, val);
sem->sleepers = 0;
init_waitqueue_head(&sem->wait);
}
......
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