drm/radeon: return an error if there is nothing to wait for

Otherwise the sa managers out of memory
handling doesn't work.

Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index 76c5b22bfd2..7a181c386cb 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -331,7 +331,7 @@ static int radeon_fence_wait_any_seq(struct radeon_device *rdev,
 
         /* nothing to wait for ? */
         if (ring == RADEON_NUM_RINGS) {
-                return 0;
+                return -ENOENT;
         }
 
         while (!radeon_fence_any_seq_signaled(rdev, target_seq)) {