[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>

diff --git a/include/asm-xtensa/semaphore.h b/include/asm-xtensa/semaphore.h
index 2a10e19..f10c348 100644 (file)
--- a/include/asm-xtensa/semaphore.h
+++ b/include/asm-xtensa/semaphore.h
@@ -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);
 }