Handing the return value of drm_universal_plane_init to fix the following W=1 kernel build warning(s): vc4_plane.c: In function ‘vc4_plane_init’: vc4_plane.c:1340:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
Signed-off-by: Tian Tao tiantao6@hisilicon.com --- drivers/gpu/drm/vc4/vc4_plane.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c index 24d7e6d..65c1205 100644 --- a/drivers/gpu/drm/vc4/vc4_plane.c +++ b/drivers/gpu/drm/vc4/vc4_plane.c @@ -1361,6 +1361,8 @@ struct drm_plane *vc4_plane_init(struct drm_device *dev, &vc4_plane_funcs, formats, ARRAY_SIZE(formats), modifiers, type, NULL); + if (ret) + return ERR_PTR(ret);
drm_plane_helper_add(plane, &vc4_plane_helper_funcs);