[PATCH v4 2/2] drm/radeon/uvd: Fix forgotten unmap buffer objects

[zhanglianjie]

after the buffer object is successfully mapped, call radeon_bo_kunmap before the function returns.

Signed-off-by: zhanglianjie <zhanglianjie@xxxxxxxxxxxxx>
Reviewed-by: Christian König <christian.koenig@xxxxxxx>

diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c
index 377f9cdb5b53..0558d928d98d 100644
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -497,6 +497,7 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo,
 	handle = msg[2];

 	if (handle == 0) {
+		radeon_bo_kunmap(bo);
 		DRM_ERROR("Invalid UVD handle!\n");
 		return -EINVAL;
 	}
@@ -559,12 +560,10 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo,
 		return 0;

 	default:
-
 		DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
-		return -EINVAL;
 	}

-	BUG();
+	radeon_bo_kunmap(bo);
 	return -EINVAL;
 }

--
2.20.1