From patchwork Thu Jul 25 01:56:09 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Navid Emamdoost X-Patchwork-Id: 1136613 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=fail (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="TBFGwqbj"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45vFgd1HjGz9sDB for ; Thu, 25 Jul 2019 11:56:29 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388582AbfGYB4V (ORCPT ); Wed, 24 Jul 2019 21:56:21 -0400 Received: from mail-io1-f65.google.com ([209.85.166.65]:41613 "EHLO mail-io1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387820AbfGYB4U (ORCPT ); Wed, 24 Jul 2019 21:56:20 -0400 Received: by mail-io1-f65.google.com with SMTP id j5so89677701ioj.8; Wed, 24 Jul 2019 18:56:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=qevhiXyEkOEohVJW3YzRivh0Gax/OIllMhMhZOJIHME=; b=TBFGwqbj3nbU65GLBrBZl71FwhcyOLJT3oy7f6HQ4p7OWd1UZhw3x6ghQj+GOX+qhr +DszMCfhiI1rXxU1HPJomwyCL1toRYPMPdvV1xqcO4NLpS+9TEPeRygIgPOOXwZEFMIt 4dTKKRc1M41Xg7MAQpy1PNbRPjn/eADt2UQGCZHrFmKVD1/F7yiO85nWWByvpbqsYTUc fZNNK1dKeA17LldaN3EXLn8m+8mO17RTcLdZ+yh4NCOFvhQkbWOdelQOZDolVeFc0oqT 82qWfZ7CiPdzuMuoytedxXQCIu10RyXWGymZ+aRg6cLH9bcZv+6l3R7EAC/2BlsL2Ede Z9tg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=qevhiXyEkOEohVJW3YzRivh0Gax/OIllMhMhZOJIHME=; b=JY9ckdhqCsQxpVmOlzxHJuYEk0WuCWqfjBcY+wf7nfdWwIyY0WWx2ZcmFsJ1hMvBew tNRV1EbHoLd97PzGoYmuL1hSRUDjTM6lCkmnS7nSwwwgjt7EITl+MuceCUJTHhw9k9nT qrWuvSBqz+boBwp4PXVexN/Erj7nLcrkHOC35ZzysB/+eahvPY+yCrqIE0jb/8qTwvZp tRmhH5UgPsx4KlyNszu6MlbzObh4Q1OsfZz8YNOfBT/H6AHrBCHe8uocnh98kdw+63G/ rjDA2050xSfdJnefY2RmPo9XZs5rk59py36gK2oi1G49Uvcbso3WxJqiYHxsarnvMHvh bwbw== X-Gm-Message-State: APjAAAXq5pnUTQpZpzgqYBlDimEta/IqTm7I1rfSX7t9V9jkzUt/VKbm VVRTR/O1+8GHS1kBwK6wMkY= X-Google-Smtp-Source: APXvYqx8tccydlT5uM42UOdOEystMy52xKNIp/ebeNlBVZV+/HV7vIDYOpojHdALAR4RTxu/IW9lHg== X-Received: by 2002:a5d:8ccc:: with SMTP id k12mr79818851iot.141.1564019779646; Wed, 24 Jul 2019 18:56:19 -0700 (PDT) Received: from cs-dulles.cs.umn.edu (cs-dulles.cs.umn.edu. [128.101.35.54]) by smtp.googlemail.com with ESMTPSA id n22sm80119216iob.37.2019.07.24.18.56.18 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 24 Jul 2019 18:56:19 -0700 (PDT) From: Navid Emamdoost Cc: emamd001@umn.edu, kjlu@umn.edu, smccaman@umn.edu, secalert@redhat.com, Navid Emamdoost , Alexandre Belloni , Microchip Linux Driver Support , "David S. Miller" , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] net: mscc: ocelot: null check devm_kcalloc Date: Wed, 24 Jul 2019 20:56:09 -0500 Message-Id: <20190725015609.24389-1-navid.emamdoost@gmail.com> X-Mailer: git-send-email 2.17.1 To: unlisted-recipients:; (no To-header on input) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org devm_kcalloc may fail and return NULL. Added the null check. Signed-off-by: Navid Emamdoost --- drivers/net/ethernet/mscc/ocelot_board.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/mscc/ocelot_board.c b/drivers/net/ethernet/mscc/ocelot_board.c index 58bde1a9eacb..52377cfdc31a 100644 --- a/drivers/net/ethernet/mscc/ocelot_board.c +++ b/drivers/net/ethernet/mscc/ocelot_board.c @@ -257,6 +257,8 @@ static int mscc_ocelot_probe(struct platform_device *pdev) ocelot->ports = devm_kcalloc(&pdev->dev, ocelot->num_phys_ports, sizeof(struct ocelot_port *), GFP_KERNEL); + if (!ocelot->ports) + return -ENOMEM; INIT_LIST_HEAD(&ocelot->multicast); ocelot_init(ocelot);