From patchwork Wed Sep 22 12:59:54 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Cai,Huoqing" X-Patchwork-Id: 12510615 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=-16.8 required=3.0 tests=BAYES_00, 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 0BF04C433F5 for ; Wed, 22 Sep 2021 13:00:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E599561181 for ; Wed, 22 Sep 2021 13:00:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230495AbhIVNBd (ORCPT ); Wed, 22 Sep 2021 09:01:33 -0400 Received: from mx24.baidu.com ([111.206.215.185]:54902 "EHLO baidu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S231149AbhIVNBd (ORCPT ); Wed, 22 Sep 2021 09:01:33 -0400 Received: from BC-Mail-Ex22.internal.baidu.com (unknown [172.31.51.16]) by Forcepoint Email with ESMTPS id ABB55C00B2C1F4A61B1D; Wed, 22 Sep 2021 21:00:01 +0800 (CST) Received: from BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) by BC-Mail-Ex22.internal.baidu.com (172.31.51.16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2242.12; Wed, 22 Sep 2021 21:00:01 +0800 Received: from LAPTOP-UKSR4ENP.internal.baidu.com (172.31.63.8) by BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14; Wed, 22 Sep 2021 21:00:01 +0800 From: Cai Huoqing To: CC: Dmitry Torokhov , , Subject: [PATCH] Input: mpr121 - Make use of the helper function devm_add_action_or_reset() Date: Wed, 22 Sep 2021 20:59:54 +0800 Message-ID: <20210922125954.533-1-caihuoqing@baidu.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [172.31.63.8] X-ClientProxiedBy: BC-Mail-Ex31.internal.baidu.com (172.31.51.25) To BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org The helper function devm_add_action_or_reset() will internally call devm_add_action(), and if devm_add_action() fails then it will execute the action mentioned and return the error code. So use devm_add_action_or_reset() instead of devm_add_action() to simplify the error handling, reduce the code. Signed-off-by: Cai Huoqing --- drivers/input/keyboard/mpr121_touchkey.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/input/keyboard/mpr121_touchkey.c b/drivers/input/keyboard/mpr121_touchkey.c index 40d6e5087cde..a23f832d4b44 100644 --- a/drivers/input/keyboard/mpr121_touchkey.c +++ b/drivers/input/keyboard/mpr121_touchkey.c @@ -107,9 +107,8 @@ static struct regulator *mpr121_vdd_supply_init(struct device *dev) return ERR_PTR(err); } - err = devm_add_action(dev, mpr121_vdd_supply_disable, vdd_supply); + err = devm_add_action_or_reset(dev, mpr121_vdd_supply_disable, vdd_supply); if (err) { - regulator_disable(vdd_supply); dev_err(dev, "failed to add disable regulator action: %d\n", err); return ERR_PTR(err);