From patchwork Wed Jul 17 14:12:00 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yue Haibing X-Patchwork-Id: 1133331 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=huawei.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45pfNQ65MGz9sDB for ; Thu, 18 Jul 2019 00:12:22 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727497AbfGQOMT (ORCPT ); Wed, 17 Jul 2019 10:12:19 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:55020 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725936AbfGQOMS (ORCPT ); Wed, 17 Jul 2019 10:12:18 -0400 Received: from DGGEMS413-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 0EB45297674B0A89FABF; Wed, 17 Jul 2019 22:12:12 +0800 (CST) Received: from localhost (10.133.213.239) by DGGEMS413-HUB.china.huawei.com (10.3.19.213) with Microsoft SMTP Server id 14.3.439.0; Wed, 17 Jul 2019 22:12:04 +0800 From: YueHaibing To: , , , , CC: , , YueHaibing Subject: [PATCH] net: dsa: sja1105: Add missing spin_unlock Date: Wed, 17 Jul 2019 22:12:00 +0800 Message-ID: <20190717141200.46604-1-yuehaibing@huawei.com> X-Mailer: git-send-email 2.10.2.windows.1 MIME-Version: 1.0 X-Originating-IP: [10.133.213.239] X-CFilter-Loop: Reflected Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org It should call spin_unlock() before return NULL. Detected by Coccinelle. Reported-by: Hulk Robot Fixes: f3097be21bf1 net: ("dsa: sja1105: Add a state machine for RX timestamping") Signed-off-by: YueHaibing --- net/dsa/tag_sja1105.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/dsa/tag_sja1105.c b/net/dsa/tag_sja1105.c index 1d96c9d..26363d7 100644 --- a/net/dsa/tag_sja1105.c +++ b/net/dsa/tag_sja1105.c @@ -216,6 +216,7 @@ static struct sk_buff if (!skb) { dev_err_ratelimited(dp->ds->dev, "Failed to copy stampable skb\n"); + spin_unlock(&sp->data->meta_lock); return NULL; } sja1105_transfer_meta(skb, meta);