From mboxrd@z Thu Jan 1 00:00:00 1970 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=-11.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 010AFC432BE for ; Wed, 18 Aug 2021 16:48:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D5931610A6 for ; Wed, 18 Aug 2021 16:48:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230204AbhHRQsk (ORCPT ); Wed, 18 Aug 2021 12:48:40 -0400 Received: from mail-dm6nam10on2063.outbound.protection.outlook.com ([40.107.93.63]:47776 "EHLO NAM10-DM6-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S229768AbhHRQsi (ORCPT ); Wed, 18 Aug 2021 12:48:38 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=IQkaZ7zvNLAf+XPXPI6BIugf2JBAE5AJvrW6QD92Ch5rVz+WG4edBetZAbM7R9vMsZK+grMfT1tr6XqA5DtVnilmC5Fux2YfBzxo8lweBa1Ga6RczNXs3FyKd6bQMdviPCbzOVW8M2PYJ6halWm84Zcy5Oz0HJn82iNKgsKm++mJskEDX1rn/IQTZiPsx5yLR8t59QNpTaZk0ZEj+HA0JGu8c31tklDrhUKbb04to3RsvuFdktvCgZsx4j4UKjdGPqc+81+F6bXd5A9yoDD7ZMQrVXTEPc2d+YAAg3+mBj2MQw9kWR/VMEuONkSiPiVEiTuQkohb/7RY/OA6I+yMeQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=cwYK5ys9hV+RMI41OLxtXl6PO0pvm3AihKrj+s6Bu7A=; b=mue9WYwf9zMk/BxLui69cNwRZ7mWrvoPRCcpws0CoO/ddZqkj8oGIZFOyh2XWI9Y9GBcEQmZkq9lNNzE0v4oy36ikYGR8PrA4fA40+5hM/CxRI6Yn4pB/3Zx6DIBEaL7IIDFau9YD/ecmlCY64LGAkzQGsCK9rDQVRFmaRRRLeELVB1JiDlJ//rdzIEig6pV643aohWjdKrWCNZYzcX8aJ3BpTkPpp4mWc5U7z26wZsQeI5ohWU0XGjgQ9lFQAWEMpPSg2u48yBzn5qSpvsCcKs92QvJAeEsIb7r0pCBd4OXS15Wv3S7zQZu3s+2HdqOF1uMpWA2lggKygjcooIlxg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.112.36) smtp.rcpttodomain=nxp.com smtp.mailfrom=nvidia.com; dmarc=pass (p=quarantine sp=none pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=cwYK5ys9hV+RMI41OLxtXl6PO0pvm3AihKrj+s6Bu7A=; b=Ivns/9ygmnm228caL0WpxyAFs5DF1YapouClU3cPFNaZCSM//+RzUxSIyAmgf3h1SkeSpvvNHS2Sc4ItZbl0RCRf4fgU5xXhQ4yacoDkwQe2wK+S6jotG7twUi5Evb34NsGXkQnLAIQzuHcXyZhO7wACSYiPquBlrNNDOuErSbTwP8Fixy5/825Eu+PzMjSDOlx2WM/cf8Rck4BV3JFVj/fdtQJSIrJIFncR41An2NZ7hh0mRk+/fGotve2tjzyW+Kic32DSLOtT4GRc9ijHBFKkiWhcxSm7np65m0ne2d7bvWL+BwubyP9XOyCyYVqR+YiBL/trmFqOjYZXXk+0rA== Received: from DM5PR13CA0026.namprd13.prod.outlook.com (2603:10b6:3:7b::12) by BY5PR12MB4081.namprd12.prod.outlook.com (2603:10b6:a03:20e::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4436.19; Wed, 18 Aug 2021 16:48:02 +0000 Received: from DM6NAM11FT049.eop-nam11.prod.protection.outlook.com (2603:10b6:3:7b:cafe::f9) by DM5PR13CA0026.outlook.office365.com (2603:10b6:3:7b::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4436.9 via Frontend Transport; Wed, 18 Aug 2021 16:48:01 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.112.36) smtp.mailfrom=nvidia.com; nxp.com; dkim=none (message not signed) header.d=none;nxp.com; dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.112.36 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.112.36; helo=mail.nvidia.com; Received: from mail.nvidia.com (216.228.112.36) by DM6NAM11FT049.mail.protection.outlook.com (10.13.172.188) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.4436.19 via Frontend Transport; Wed, 18 Aug 2021 16:48:01 +0000 Received: from DRHQMAIL107.nvidia.com (10.27.9.16) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 18 Aug 2021 16:48:00 +0000 Received: from reg-r-vrt-018-180.nvidia.com (172.20.187.5) by DRHQMAIL107.nvidia.com (10.27.9.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 18 Aug 2021 16:47:57 +0000 References: <20210818155210.14522-1-tim.gardner@canonical.com> User-agent: mu4e 1.4.10; emacs 27.1 From: Vlad Buslov To: Saeed Mahameed , Tim Gardner CC: , Leon Romanovsky , "David S. Miller" , Jakub Kicinski , "Jianbo Liu" , Mark Bloch , Roi Dayan , Vladimir Oltean , , Subject: Re: [PATCH][linux-next] net/mlx5: Bridge, fix uninitialized variable in mlx5_esw_bridge_port_changeupper() In-Reply-To: <20210818155210.14522-1-tim.gardner@canonical.com> Date: Wed, 18 Aug 2021 19:47:55 +0300 Message-ID: MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [172.20.187.5] X-ClientProxiedBy: HQMAIL111.nvidia.com (172.20.187.18) To DRHQMAIL107.nvidia.com (10.27.9.16) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: fd2fbb40-ce88-44d9-ccac-08d96267f10d X-MS-TrafficTypeDiagnostic: BY5PR12MB4081: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:6790; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.112.36;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:schybrid05.nvidia.com;CAT:NONE;SFS:(4636009)(39860400002)(136003)(376002)(346002)(396003)(36840700001)(46966006)(86362001)(82740400003)(7636003)(8936002)(356005)(426003)(110136005)(316002)(8676002)(4326008)(82310400003)(54906003)(26005)(186003)(16526019)(2906002)(47076005)(5660300002)(70206006)(70586007)(36860700001)(336012)(2616005)(7696005)(36756003)(478600001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Aug 2021 16:48:01.3893 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: fd2fbb40-ce88-44d9-ccac-08d96267f10d X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.112.36];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT049.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR12MB4081 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed 18 Aug 2021 at 18:52, Tim Gardner wrote: > A recent change removed code that initialized the return code variable 'err'. It > is now possible for mlx5_esw_bridge_port_changeupper() to return an error code > using this uninitialized variable. Fix it by initializing to 0. > > Addresses-Coverity: ("Uninitialized scalar variable (UNINIT)") > > Cc: Saeed Mahameed > Cc: Leon Romanovsky > Cc: "David S. Miller" > Cc: Jakub Kicinski > Cc: Vlad Buslov > Cc: Jianbo Liu > Cc: Mark Bloch > Cc: Roi Dayan > Cc: Vladimir Oltean > Cc: netdev@vger.kernel.org > Cc: linux-rdma@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Tim Gardner > --- Tim, thanks for fixing this! Saeed, this is the second similar issue that I mentioned in my reply to Colin. Again, I've already submitted same patch internally and this one is as good as mine. Reviewed-by: Vlad Buslov [...]