[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: Arthur Othieno <a.othieno@bluewin.ch> Acked-by: Christian Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>

[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: Arthur Othieno <a.othieno@bluewin.ch> Acked-by: Christian Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Arthur Othieno · Linus Torvalds
1 parent 23f88fe4bf
Showing 1 changed file with 1 additions and 0 deletions Side-by-side Diff
include/asm-xtensa/semaphore.h
@@ -38,6 +38,7 @@
 static inline void sema_init (struct semaphore *sem, int val)
 {
 	atomic_set(&sem->count, val);
+	sem->sleepers = 0;
 	init_waitqueue_head(&sem->wait);
 }
...	...	@@ -38,6 +38,7 @@
38	38	static inline void sema_init (struct semaphore *sem, int val)
39	39	{
40	40	atomic_set(&sem->count, val);
	41	+ sem->sleepers = 0;
41	42	init_waitqueue_head(&sem->wait);
42	43	}
43	44