From patchwork Sun Sep 11 05:49:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Wu X-Patchwork-Id: 12972768 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E09C5C54EE9 for ; Sun, 11 Sep 2022 05:51:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229846AbiIKFvs (ORCPT ); Sun, 11 Sep 2022 01:51:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39080 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229599AbiIKFvr (ORCPT ); Sun, 11 Sep 2022 01:51:47 -0400 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5C05844572; Sat, 10 Sep 2022 22:51:46 -0700 (PDT) Received: from kwepemi500023.china.huawei.com (unknown [172.30.72.57]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4MQJhn0gCKzHnkl; Sun, 11 Sep 2022 13:49:45 +0800 (CST) Received: from huawei.com (10.175.112.208) by kwepemi500023.china.huawei.com (7.221.188.76) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Sun, 11 Sep 2022 13:51:43 +0800 From: Peng Wu To: , , CC: , , , , Subject: [PATCH] phy: sunplus: Fix an IS_ERR() vs NULL bug in sp_usb_phy_probe Date: Sun, 11 Sep 2022 05:49:31 +0000 Message-ID: <20220911054931.122530-1-wupeng58@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.175.112.208] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To kwepemi500023.china.huawei.com (7.221.188.76) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org The devm_ioremap() function returns NULL on error, it doesn't return error pointers. Fixes: 99d9ccd973852 ("phy: usb: Add USB2.0 phy driver for Sunplus SP7021") Signed-off-by: Peng Wu --- drivers/phy/sunplus/phy-sunplus-usb2.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/phy/sunplus/phy-sunplus-usb2.c b/drivers/phy/sunplus/phy-sunplus-usb2.c index 5269968b3060..0e64eb3e6db5 100644 --- a/drivers/phy/sunplus/phy-sunplus-usb2.c +++ b/drivers/phy/sunplus/phy-sunplus-usb2.c @@ -256,8 +256,8 @@ static int sp_usb_phy_probe(struct platform_device *pdev) usbphy->moon4_res_mem = platform_get_resource_byname(pdev, IORESOURCE_MEM, "moon4"); usbphy->moon4_regs = devm_ioremap(&pdev->dev, usbphy->moon4_res_mem->start, resource_size(usbphy->moon4_res_mem)); - if (IS_ERR(usbphy->moon4_regs)) - return PTR_ERR(usbphy->moon4_regs); + if (!usbphy->moon4_regs) + return -ENOMEM; usbphy->phy_clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(usbphy->phy_clk))