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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 8E317C433E0 for ; Thu, 4 Jun 2020 12:19:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6C3A5206E6 for ; Thu, 4 Jun 2020 12:19:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728396AbgFDMT2 (ORCPT ); Thu, 4 Jun 2020 08:19:28 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:5852 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727944AbgFDMT1 (ORCPT ); Thu, 4 Jun 2020 08:19:27 -0400 Received: from DGGEMS412-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 4F1943A5487BC59EE09D; Thu, 4 Jun 2020 20:19:22 +0800 (CST) Received: from huawei.com (10.175.113.133) by DGGEMS412-HUB.china.huawei.com (10.3.19.212) with Microsoft SMTP Server id 14.3.487.0; Thu, 4 Jun 2020 20:19:12 +0800 From: Wang Hai To: , , CC: , , , Subject: [PATCH] yam: fix possible memory leak in yam_init_driver Date: Thu, 4 Jun 2020 20:18:51 +0800 Message-ID: <20200604121851.63880-1-wanghai38@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.175.113.133] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If register_netdev(dev) fails, free_netdev(dev) needs to be called, otherwise a memory leak will occur. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Reported-by: Hulk Robot Signed-off-by: Wang Hai --- drivers/net/hamradio/yam.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c index 71cdef9..5ab53e9 100644 --- a/drivers/net/hamradio/yam.c +++ b/drivers/net/hamradio/yam.c @@ -1133,6 +1133,7 @@ static int __init yam_init_driver(void) err = register_netdev(dev); if (err) { printk(KERN_WARNING "yam: cannot register net device %s\n", dev->name); + free_netdev(dev); goto error; } yam_devs[i] = dev; -- 1.8.3.1