drm/logicvc: add missing of_node_put() in logicvc_layers_init()

The of_node_put() need be called in error path in logicvc_layers_init().

Fixes: efeeaefe ("drm: Add support for the LogiCVC display controller")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220614112112.1537319-1-yangyingliang@huawei.com

drivers/gpu/drm/logicvc/logicvc_layer.c

@@ -613,8 +613,10 @@ int logicvc_layers_init(struct logicvc_drm *logicvc)
 		}
 
 		ret = logicvc_layer_init(logicvc, layer_node, index);
-		if (ret)
+		if (ret) {
+			of_node_put(layers_node);
 			goto error;
+		}
 	}
 
 	of_node_put(layers_node);