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=-20.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 673CBC11F9E for ; Tue, 6 Jul 2021 11:40:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 441A36128E for ; Tue, 6 Jul 2021 11:40:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238064AbhGFLms (ORCPT ); Tue, 6 Jul 2021 07:42:48 -0400 Received: from mail.kernel.org ([198.145.29.99]:47600 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237656AbhGFLgV (ORCPT ); Tue, 6 Jul 2021 07:36:21 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id D63FC61DD6; Tue, 6 Jul 2021 11:29:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1625570949; bh=Ob6FilYMBQHlK95h2wrDFDKED5trKUIx8qcft3Q/piQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=l4awvt6ib/WUKSovZA9xzYQQhAdmPBFd2Z3w2qO3ev4TiIdQ0sSCiJm5t2GMUcPdc qRtWWqNjuDshaWZmduOuNxQb75M9U2GOX2kP4yp5MmWMVv7QVzGa2Xyj9LFE6yWauT ucnD4ibiAtcTUT55noUjygKuS+DP3jcbH/y82k6TX1R3cTqnGrDRbGCQZ6B0LA4/Lr Qh7iUbPr8wXbLxRszqEwH362UuzAF8rGDubxYK0Z+6ABXQ0tqVLnL/fxTHG5hmZ1Og aoVwyrz0Drn8PtnGbPBJrqxvXaO1BRDLpfthVEFUDPLLSlZ4NzGx9eVW5YS6tPQ3/g Z74D1YSNj8MKw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Yang Yingliang , "David S . Miller" , Sasha Levin , netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.9 17/35] net: moxa: Use devm_platform_get_and_ioremap_resource() Date: Tue, 6 Jul 2021 07:28:29 -0400 Message-Id: <20210706112848.2066036-17-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210706112848.2066036-1-sashal@kernel.org> References: <20210706112848.2066036-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@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 6fe61d9343cb..9673fbe16774 100644 --- a/drivers/net/ethernet/moxa/moxart_ether.c +++ b/drivers/net/ethernet/moxa/moxart_ether.c @@ -487,14 +487,13 @@ static int moxart_mac_probe(struct platform_device *pdev) priv = netdev_priv(ndev); priv->ndev = ndev; - 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