diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index 9acc1e157813..a1b9338736e3 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -99,7 +99,7 @@ static struct drm_minor **drm_minor_get_slot(struct drm_device *dev,
 	case DRM_MINOR_CONTROL:
 		return &dev->control;
 	default:
-		return NULL;
+		BUG();
 	}
 }