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=-6.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 604ECC433E1 for ; Sat, 23 May 2020 19:51:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 49D79204EF for ; Sat, 23 May 2020 19:51:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728688AbgEWTvM (ORCPT ); Sat, 23 May 2020 15:51:12 -0400 Received: from relay1-d.mail.gandi.net ([217.70.183.193]:58839 "EHLO relay1-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727962AbgEWTvL (ORCPT ); Sat, 23 May 2020 15:51:11 -0400 X-Originating-IP: 176.129.10.123 Received: from localhost (glg95-h02-176-129-10-123.dsl.sta.abo.bbox.fr [176.129.10.123]) (Authenticated sender: alexandre.belloni@bootlin.com) by relay1-d.mail.gandi.net (Postfix) with ESMTPSA id 00CDC240006; Sat, 23 May 2020 19:51:09 +0000 (UTC) Date: Sat, 23 May 2020 21:51:09 +0200 From: Alexandre Belloni To: Tiezhu Yang Cc: Alessandro Zummo , linux-rtc@vger.kernel.org, linux-kernel@vger.kernel.org, Xuefeng Li Subject: Re: [PATCH 2/2] rtc: mpc5121: Fix return value of mpc5121_rtc_probe() Message-ID: <20200523195109.GC3429@piout.net> References: <1590227782-32249-1-git-send-email-yangtiezhu@loongson.cn> <1590227782-32249-2-git-send-email-yangtiezhu@loongson.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1590227782-32249-2-git-send-email-yangtiezhu@loongson.cn> Sender: linux-rtc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rtc@vger.kernel.org On 23/05/2020 17:56:22+0800, Tiezhu Yang wrote: > When call function devm_platform_ioremap_resource(), we should use IS_ERR() > to check the return value and return PTR_ERR() if failed. > Same comment here. > Fixes: d53d4ae981d0 ("rtc: mpc5121: simplify probe") > Signed-off-by: Tiezhu Yang > --- > drivers/rtc/rtc-mpc5121.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/rtc/rtc-mpc5121.c b/drivers/rtc/rtc-mpc5121.c > index 3040844..5c2ce71 100644 > --- a/drivers/rtc/rtc-mpc5121.c > +++ b/drivers/rtc/rtc-mpc5121.c > @@ -316,7 +316,7 @@ static int mpc5121_rtc_probe(struct platform_device *op) > rtc->regs = devm_platform_ioremap_resource(op, 0); > if (IS_ERR(rtc->regs)) { > dev_err(&op->dev, "%s: couldn't map io space\n", __func__); > - return -ENOSYS; > + return PTR_ERR(rtc->regs); > } > > device_init_wakeup(&op->dev, 1); > -- > 2.1.0 > -- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com