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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 122EFC28D13 for ; Mon, 22 Aug 2022 06:11:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232744AbiHVGLd (ORCPT ); Mon, 22 Aug 2022 02:11:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60074 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229727AbiHVGLa (ORCPT ); Mon, 22 Aug 2022 02:11:30 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 140AF26AE7 for ; Sun, 21 Aug 2022 23:11:29 -0700 (PDT) Received: from dggpemm500021.china.huawei.com (unknown [172.30.72.57]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4MB24P4n1PznTdX; Mon, 22 Aug 2022 14:09:09 +0800 (CST) Received: from dggpemm500007.china.huawei.com (7.185.36.183) by dggpemm500021.china.huawei.com (7.185.36.109) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Mon, 22 Aug 2022 14:11:26 +0800 Received: from huawei.com (10.175.103.91) by dggpemm500007.china.huawei.com (7.185.36.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Mon, 22 Aug 2022 14:11:26 +0800 From: Yang Yingliang To: , CC: Subject: [PATCH -next] class: use IS_ERR_OR_NULL() helper in class_unregister() Date: Mon, 22 Aug 2022 14:19:22 +0800 Message-ID: <20220822061922.3884113-1-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: dggems706-chm.china.huawei.com (10.3.19.183) To dggpemm500007.china.huawei.com (7.185.36.183) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use IS_ERR_OR_NULL() helper in class_unregister() to simplify code. Signed-off-by: Yang Yingliang --- drivers/base/class.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/base/class.c b/drivers/base/class.c index 8feb85e186e3..64f7b9a0970f 100644 --- a/drivers/base/class.c +++ b/drivers/base/class.c @@ -260,7 +260,7 @@ EXPORT_SYMBOL_GPL(__class_create); */ void class_destroy(struct class *cls) { - if ((cls == NULL) || (IS_ERR(cls))) + if (IS_ERR_OR_NULL(cls)) return; class_unregister(cls); -- 2.25.1