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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, 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 CA82DC636CB for ; Thu, 15 Jul 2021 18:58:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B61FB613E5 for ; Thu, 15 Jul 2021 18:58:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243218AbhGOTBe (ORCPT ); Thu, 15 Jul 2021 15:01:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:38160 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242135AbhGOTAl (ORCPT ); Thu, 15 Jul 2021 15:00:41 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 6972E613D0; Thu, 15 Jul 2021 18:57:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626375458; bh=oaC2icxJ1FzLUjUeegnixedcm9xmDZEyvww90mFno2k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jwcp0s6vw4oZarxvsU0KV9xCGLJyFYr2yRYyl/tgy0u1lih5e1XMYqo6JdUfj+xd8 jMNY+lAsmvC4BUJ6baIJKDZ9BKGCLZsOZ8OlrQjq0Vh5USYlQKCS4xadOs197wXmdz aZBXL58gcUflOUl+DaBW33X10aWOEpeuCAORNBR4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Yang Yingliang , "David S. Miller" , Sasha Levin Subject: [PATCH 5.12 069/242] net: moxa: Use devm_platform_get_and_ioremap_resource() Date: Thu, 15 Jul 2021 20:37:11 +0200 Message-Id: <20210715182604.693120995@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210715182551.731989182@linuxfoundation.org> References: <20210715182551.731989182@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Yang Yingliang [ Upstream commit 35cba15a504bf4f585bb9d78f47b22b28a1a06b2 ] Use devm_platform_get_and_ioremap_resource() to simplify code and avoid a null-ptr-deref by checking 'res' in it. Signed-off-by: Yang Yingliang Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/moxa/moxart_ether.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c index 49fd843c4c8a..a4380c45f668 100644 --- a/drivers/net/ethernet/moxa/moxart_ether.c +++ b/drivers/net/ethernet/moxa/moxart_ether.c @@ -481,14 +481,13 @@ static int moxart_mac_probe(struct platform_device *pdev) priv->ndev = ndev; priv->pdev = pdev; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - ndev->base_addr = res->start; - priv->base = devm_ioremap_resource(p_dev, res); + priv->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res); if (IS_ERR(priv->base)) { dev_err(p_dev, "devm_ioremap_resource failed\n"); ret = PTR_ERR(priv->base); goto init_fail; } + ndev->base_addr = res->start; spin_lock_init(&priv->txlock); -- 2.30.2