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>
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 5ef0103..9f2eed5 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -166,18 +166,13 @@
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);