From patchwork Wed Dec 2 09:58:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhang Changzhong X-Patchwork-Id: 336581 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E8CF3C64E8A for ; Wed, 2 Dec 2020 09:56:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9240C206C0 for ; Wed, 2 Dec 2020 09:56:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388365AbgLBJzp (ORCPT ); Wed, 2 Dec 2020 04:55:45 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:8557 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387880AbgLBJzp (ORCPT ); Wed, 2 Dec 2020 04:55:45 -0500 Received: from DGGEMS402-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4CmDpP1FgnzhkcG; Wed, 2 Dec 2020 17:54:37 +0800 (CST) Received: from compute.localdomain (10.175.112.70) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server (TLS) id 14.3.487.0; Wed, 2 Dec 2020 17:54:59 +0800 From: Zhang Changzhong To: , , CC: , Subject: [PATCH net] vxlan: fix error return code in __vxlan_dev_create() Date: Wed, 2 Dec 2020 17:58:42 +0800 Message-ID: <1606903122-2098-1-git-send-email-zhangchangzhong@huawei.com> X-Mailer: git-send-email 1.8.3.1 MIME-Version: 1.0 X-Originating-IP: [10.175.112.70] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Fix to return a negative error code from the error handling case instead of 0, as done elsewhere in this function. Fixes: 0ce1822c2a08 ("vxlan: add adjacent link to limit depth level") Reported-by: Hulk Robot Signed-off-by: Zhang Changzhong --- drivers/net/vxlan.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 1a557ae..a506872 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -3877,8 +3877,10 @@ static int __vxlan_dev_create(struct net *net, struct net_device *dev, if (dst->remote_ifindex) { remote_dev = __dev_get_by_index(net, dst->remote_ifindex); - if (!remote_dev) + if (!remote_dev) { + err = -ENODEV; goto errout; + } err = netdev_upper_dev_link(remote_dev, dev, extack); if (err)