diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
index 021af6128b85..fd8da57c2cf6 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
@@ -1167,7 +1167,7 @@ static void rockchip_drm_set_property_default(struct drm_device *drm)
 	drm_modeset_lock_all(drm);
 
 	state = drm_atomic_helper_duplicate_state(drm, conf->acquire_ctx);
-	if (!state) {
+	if (IS_ERR(state)) {
 		DRM_ERROR("failed to alloc atomic state\n");
 		goto err_unlock;
 	}