From patchwork Fri Dec 4 08:48:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhang Changzhong X-Patchwork-Id: 338287 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=-16.8 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=ham 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 6A044C433FE for ; Fri, 4 Dec 2020 08:46:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 13CF5225A9 for ; Fri, 4 Dec 2020 08:46:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729206AbgLDIpi (ORCPT ); Fri, 4 Dec 2020 03:45:38 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:8944 "EHLO szxga06-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725866AbgLDIph (ORCPT ); Fri, 4 Dec 2020 03:45:37 -0500 Received: from DGGEMS413-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4CnR8L6NBFzhmNg; Fri, 4 Dec 2020 16:44:18 +0800 (CST) Received: from compute.localdomain (10.175.112.70) by DGGEMS413-HUB.china.huawei.com (10.3.19.213) with Microsoft SMTP Server (TLS) id 14.3.487.0; Fri, 4 Dec 2020 16:44:34 +0800 From: Zhang Changzhong To: "David S. Miller" , Alexey Kuznetsov , Hideaki YOSHIFUJI , "Jakub Kicinski" , David Ahern CC: Zhang Changzhong , , Subject: [PATCH net] ipv4: fix error return code in rtm_to_fib_config() Date: Fri, 4 Dec 2020 16:48:14 +0800 Message-ID: <1607071695-33740-1-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: d15662682db2 ("ipv4: Allow ipv6 gateway with ipv4 routes") Reported-by: Hulk Robot Signed-off-by: Zhang Changzhong --- net/ipv4/fib_frontend.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index b87140a..cdf6ec5 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -825,7 +825,7 @@ static int rtm_to_fib_config(struct net *net, struct sk_buff *skb, if (has_gw && has_via) { NL_SET_ERR_MSG(extack, "Nexthop configuration can not contain both GATEWAY and VIA"); - goto errout; + return -EINVAL; } return 0;