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=-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,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 350C1C432BE for ; Thu, 29 Jul 2021 07:12:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 12B536108B for ; Thu, 29 Jul 2021 07:12:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234473AbhG2HNA (ORCPT ); Thu, 29 Jul 2021 03:13:00 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:16024 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234544AbhG2HM4 (ORCPT ); Thu, 29 Jul 2021 03:12:56 -0400 Received: from dggemv703-chm.china.huawei.com (unknown [172.30.72.53]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4Gb1qP6CdYzZt7v; Thu, 29 Jul 2021 15:09:21 +0800 (CST) Received: from dggpeml500017.china.huawei.com (7.185.36.243) by dggemv703-chm.china.huawei.com (10.3.19.46) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Thu, 29 Jul 2021 15:12:50 +0800 Received: from huawei.com (10.175.103.91) by dggpeml500017.china.huawei.com (7.185.36.243) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Thu, 29 Jul 2021 15:12:49 +0800 From: Yang Yingliang To: CC: , , Subject: [PATCH] pinctrl: zynqmp: Drop pinctrl_unregister for devm_ registered device Date: Thu, 29 Jul 2021 15:19:05 +0800 Message-ID: <20210729071905.3235953-1-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpeml500017.china.huawei.com (7.185.36.243) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It's not necessary to unregister pin controller device registered with devm_pinctrl_register() and using pinctrl_unregister() leads to a double free. Fixes: fa99e7013827 ("pinctrl: zynqmp: some code cleanups") Signed-off-by: Yang Yingliang --- drivers/pinctrl/pinctrl-zynqmp.c | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/drivers/pinctrl/pinctrl-zynqmp.c b/drivers/pinctrl/pinctrl-zynqmp.c index bbde676b7313..e14012209992 100644 --- a/drivers/pinctrl/pinctrl-zynqmp.c +++ b/drivers/pinctrl/pinctrl-zynqmp.c @@ -866,15 +866,6 @@ static int zynqmp_pinctrl_probe(struct platform_device *pdev) return ret; } -static int zynqmp_pinctrl_remove(struct platform_device *pdev) -{ - struct zynqmp_pinctrl *pctrl = platform_get_drvdata(pdev); - - pinctrl_unregister(pctrl->pctrl); - - return 0; -} - static const struct of_device_id zynqmp_pinctrl_of_match[] = { { .compatible = "xlnx,zynqmp-pinctrl" }, { } @@ -887,7 +878,6 @@ static struct platform_driver zynqmp_pinctrl_driver = { .of_match_table = zynqmp_pinctrl_of_match, }, .probe = zynqmp_pinctrl_probe, - .remove = zynqmp_pinctrl_remove, }; module_platform_driver(zynqmp_pinctrl_driver); -- 2.25.1