[PATCH] drm/ttm: Simplify ttm_bo_wait_unreserved

[Jean Delvare]

Function ttm_bo_wait_unreserved can be slightly simplified.

Signed-off-by: Jean Delvare <khali at linux-fr.org>
Cc: Thomas Hellstrom <thellstrom at vmware.com>
Cc: Jerome Glisse <jglisse at redhat.com>
---
 drivers/gpu/drm/ttm/ttm_bo.c |    9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

--- linux-2.6.36-rc7.orig/drivers/gpu/drm/ttm/ttm_bo.c	2010-10-09 13:38:39.000000000 +0200
+++ linux-2.6.36-rc7/drivers/gpu/drm/ttm/ttm_bo.c	2010-10-09 14:23:07.000000000 +0200
@@ -169,18 +169,13 @@ static void ttm_bo_release_list(struct k
 
 int ttm_bo_wait_unreserved(struct ttm_buffer_object *bo, bool interruptible)
 {
-
 	if (interruptible) {
-		int ret = 0;
-
-		ret = wait_event_interruptible(bo->event_queue,
+		return wait_event_interruptible(bo->event_queue,
 					       atomic_read(&bo->reserved) == 0);
-		if (unlikely(ret != 0))
-			return ret;
 	} else {
 		wait_event(bo->event_queue, atomic_read(&bo->reserved) == 0);
+		return 0;
 	}
-	return 0;
 }
 EXPORT_SYMBOL(ttm_bo_wait_unreserved);
 


-- 
Jean Delvare