drm/ttm: Simplify ttm_bo_wait_unreserved

Function ttm_bo_wait_unreserved can be slightly simplified.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Cc: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 2 insertions, 7 deletions

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 5ef0103bd0b6..9f2eed520fc3 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -166,18 +166,13 @@ static void ttm_bo_release_list(struct kref *list_kref)
 
 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);