From patchwork Mon Nov 14 09:55:49 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "liujian (CE)" X-Patchwork-Id: 13041996 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AF092C43217 for ; Mon, 14 Nov 2022 09:49:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236222AbiKNJtM (ORCPT ); Mon, 14 Nov 2022 04:49:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51870 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235995AbiKNJtC (ORCPT ); Mon, 14 Nov 2022 04:49:02 -0500 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D395DDD6 for ; Mon, 14 Nov 2022 01:49:00 -0800 (PST) Received: from canpemm500010.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4N9kyy3MGnzRpF3; Mon, 14 Nov 2022 17:48:42 +0800 (CST) Received: from huawei.com (10.175.101.6) by canpemm500010.china.huawei.com (7.192.105.118) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Mon, 14 Nov 2022 17:48:58 +0800 From: Liu Jian To: , , , , , , , CC: Subject: [PATCH] net: ag71xx: call phylink_disconnect_phy if ag71xx_hw_enable() fail in ag71xx_open() Date: Mon, 14 Nov 2022 17:55:49 +0800 Message-ID: <20221114095549.40342-1-liujian56@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.175.101.6] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To canpemm500010.china.huawei.com (7.192.105.118) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org If ag71xx_hw_enable() fails, call phylink_disconnect_phy() to clean up. And if phylink_of_phy_connect() fails, nothing needs to be done. Compile tested only. Fixes: 892e09153fa3 ("net: ag71xx: port to phylink") Signed-off-by: Liu Jian Reviewed-by: Russell King (Oracle) --- drivers/net/ethernet/atheros/ag71xx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/atheros/ag71xx.c b/drivers/net/ethernet/atheros/ag71xx.c index cc932b3cf873..4a1efe9b37d0 100644 --- a/drivers/net/ethernet/atheros/ag71xx.c +++ b/drivers/net/ethernet/atheros/ag71xx.c @@ -1427,7 +1427,7 @@ static int ag71xx_open(struct net_device *ndev) if (ret) { netif_err(ag, link, ndev, "phylink_of_phy_connect filed with err: %i\n", ret); - goto err; + return ret; } max_frame_len = ag71xx_max_frame_len(ndev->mtu); @@ -1448,6 +1448,7 @@ static int ag71xx_open(struct net_device *ndev) err: ag71xx_rings_cleanup(ag); + phylink_disconnect_phy(ag->phylink); return ret; }