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=-3.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 BC356C76196 for ; Fri, 19 Jul 2019 03:41:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A0C4021850 for ; Fri, 19 Jul 2019 03:41:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726565AbfGSDes (ORCPT ); Thu, 18 Jul 2019 23:34:48 -0400 Received: from shards.monkeyblade.net ([23.128.96.9]:59314 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726055AbfGSDes (ORCPT ); Thu, 18 Jul 2019 23:34:48 -0400 Received: from localhost (unknown [IPv6:2601:601:9f80:35cd::d71]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 0A22F14051852; Thu, 18 Jul 2019 20:34:48 -0700 (PDT) Date: Thu, 18 Jul 2019 20:34:47 -0700 (PDT) Message-Id: <20190718.203447.802057574398577206.davem@davemloft.net> To: weiyongjun1@huawei.com Cc: jcliburn@gmail.com, chris.snook@gmail.com, o.rempel@pengutronix.de, netdev@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: Re: [PATCH v2] ag71xx: fix return value check in ag71xx_probe() From: David Miller In-Reply-To: <20190719012206.100478-1-weiyongjun1@huawei.com> References: <20190717115225.23047-1-weiyongjun1@huawei.com> <20190719012206.100478-1-weiyongjun1@huawei.com> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Thu, 18 Jul 2019 20:34:48 -0700 (PDT) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Wei Yongjun Date: Fri, 19 Jul 2019 01:22:06 +0000 > In case of error, the function of_get_mac_address() returns ERR_PTR() > and never returns NULL. The NULL test in the return value check should > be replaced with IS_ERR(). > > Fixes: d51b6ce441d3 ("net: ethernet: add ag71xx driver") > Signed-off-by: Wei Yongjun > Reviewed-by: Oleksij Rempel Applied.