From patchwork Wed Sep 22 12:52:09 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Cai,Huoqing" X-Patchwork-Id: 12510555 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 56C09C433FE for ; Wed, 22 Sep 2021 12:52:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 334FD611C6 for ; Wed, 22 Sep 2021 12:52:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236144AbhIVMyJ (ORCPT ); Wed, 22 Sep 2021 08:54:09 -0400 Received: from mx22.baidu.com ([220.181.50.185]:48876 "EHLO baidu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S235995AbhIVMyI (ORCPT ); Wed, 22 Sep 2021 08:54:08 -0400 Received: from BC-Mail-Ex11.internal.baidu.com (unknown [172.31.51.51]) by Forcepoint Email with ESMTPS id 74A49AA6E23F99F428E6; Wed, 22 Sep 2021 20:52:31 +0800 (CST) Received: from BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) by BC-Mail-Ex11.internal.baidu.com (172.31.51.51) 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 20:52:30 +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 20:52:30 +0800 From: Cai Huoqing To: CC: Dmitry Torokhov , , Subject: [PATCH 1/3] Input: colibri-vf50-ts - Make use of the helper function devm_add_action_or_reset() Date: Wed, 22 Sep 2021 20:52:09 +0800 Message-ID: <20210922125212.95-1-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-Ex21.internal.baidu.com (172.31.51.15) 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/touchscreen/colibri-vf50-ts.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/input/touchscreen/colibri-vf50-ts.c b/drivers/input/touchscreen/colibri-vf50-ts.c index aa829725ded7..1a1d8e70ec40 100644 --- a/drivers/input/touchscreen/colibri-vf50-ts.c +++ b/drivers/input/touchscreen/colibri-vf50-ts.c @@ -271,9 +271,8 @@ static int vf50_ts_probe(struct platform_device *pdev) if (IS_ERR(channels)) return PTR_ERR(channels); - error = devm_add_action(dev, vf50_ts_channel_release, channels); + error = devm_add_action_or_reset(dev, vf50_ts_channel_release, channels); if (error) { - iio_channel_release_all(channels); dev_err(dev, "Failed to register iio channel release action"); return error; }