From patchwork Thu Mar 18 13:56:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Yongjun X-Patchwork-Id: 12148283 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=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,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 AD6DEC433E6 for ; Thu, 18 Mar 2021 13:50:02 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3AF2664F1B for ; Thu, 18 Mar 2021 13:50:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3AF2664F1B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=exw8SfhLd0BXeAoNbSX6RptsgVdGlo72ledqK56ajOg=; b=aNe5z1BXwivoKCAOs5b1uH93dc KYJ4vRPRTZiMBzfoRvD8ipoMfQENG3FepWLolhVLbd75w9NYwFJcVuK+ySu0ITxe0VfpG1YhwMf/m eClvuZDp8acIj8FMyyWnDFnIBbiVWUBmgth7vYYkkURPg1qqJPM4braosFH4lCTwL0KphGU9DqtG0 wM+yD6Etxqb2TLdgB0EgfkLFJHZATo9J373vAB/lo36SYbOqjW8Om5SmWYa30HtN482/m3v28P0tT z2DrOfKWLn2ofLz/Ig/NjeYPy2w7w4K3ljwCDjFATuc8pTOlDjm9HN+du4zZgvZZqTnW1Ii7rt4Mc YV7kNIiQ==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lMt10-005PMA-Pu; Thu, 18 Mar 2021 13:48:43 +0000 Received: from szxga05-in.huawei.com ([45.249.212.191]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lMt0r-005PKE-PY; Thu, 18 Mar 2021 13:48:37 +0000 Received: from DGGEMS412-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4F1SwP4MpbzQj9Z; Thu, 18 Mar 2021 21:45:57 +0800 (CST) Received: from localhost.localdomain (10.175.102.38) by DGGEMS412-HUB.china.huawei.com (10.3.19.212) with Microsoft SMTP Server id 14.3.498.0; Thu, 18 Mar 2021 21:48:14 +0800 From: 'w00385741 To: , Kishon Vijay Abraham I , "Vinod Koul" , Lars Povlsen , "Steen Hegelund" , , Alexandre Belloni , Bjarni Jonasson , Andrew Lunn CC: , , , , Hulk Robot Subject: [PATCH -next] phy: sparx5_serdes: Fix return value check in sparx5_serdes_probe() Date: Thu, 18 Mar 2021 13:56:47 +0000 Message-ID: <20210318135647.1286295-1-weiyongjun1@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.102.38] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210318_134834_842659_99917443 X-CRM114-Status: GOOD ( 11.24 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Wei Yongjun In case of error, the function devm_ioremap() returns NULL pointer not ERR_PTR(). The IS_ERR() test in the return value check should be replaced with NULL test. Fixes: 2ff8a1eeb5aa ("phy: Add Sparx5 ethernet serdes PHY driver") Reported-by: Hulk Robot Signed-off-by: Wei Yongjun --- drivers/phy/microchip/sparx5_serdes.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/phy/microchip/sparx5_serdes.c b/drivers/phy/microchip/sparx5_serdes.c index 06bcf0c166cf..dd854d825000 100644 --- a/drivers/phy/microchip/sparx5_serdes.c +++ b/drivers/phy/microchip/sparx5_serdes.c @@ -2438,10 +2438,10 @@ static int sparx5_serdes_probe(struct platform_device *pdev) iores = platform_get_resource(pdev, IORESOURCE_MEM, 0); iomem = devm_ioremap(priv->dev, iores->start, iores->end - iores->start + 1); - if (IS_ERR(iomem)) { + if (!iomem) { dev_err(priv->dev, "Unable to get serdes registers: %s\n", iores->name); - return PTR_ERR(iomem); + return -ENOMEM; } for (idx = 0; idx < ARRAY_SIZE(sparx5_serdes_iomap); idx++) { struct sparx5_serdes_io_resource *iomap = &sparx5_serdes_iomap[idx];