From patchwork Thu Aug 24 09:10:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 13363802 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 B92EDC6FA8F for ; Thu, 24 Aug 2023 09:14:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231283AbjHXJNt (ORCPT ); Thu, 24 Aug 2023 05:13:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34262 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240637AbjHXJNp (ORCPT ); Thu, 24 Aug 2023 05:13:45 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DE9DC10FA for ; Thu, 24 Aug 2023 02:13:42 -0700 (PDT) Received: from dggpemm500024.china.huawei.com (unknown [172.30.72.57]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4RWcjn5bB2zNn77; Thu, 24 Aug 2023 17:10:05 +0800 (CST) Received: from dggpemm500007.china.huawei.com (7.185.36.183) by dggpemm500024.china.huawei.com (7.185.36.203) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.31; Thu, 24 Aug 2023 17:13:40 +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 15.1.2507.31; Thu, 24 Aug 2023 17:13:40 +0800 From: Yang Yingliang To: CC: , , , , Subject: [PATCH -next] soc: loongson2_pm: fix wrong pointer check in loongson2_power_button_init() Date: Thu, 24 Aug 2023 17:10:16 +0800 Message-ID: <20230824091016.1070869-1-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To dggpemm500007.china.huawei.com (7.185.36.183) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org It should check 'button' after calling input_allocate_device(). Fixes: 67694c076bd7 ("soc: loongson2_pm: add power management support") Signed-off-by: Yang Yingliang --- drivers/soc/loongson/loongson2_pm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/soc/loongson/loongson2_pm.c b/drivers/soc/loongson/loongson2_pm.c index 796add6e8b63..6be7ad4c2572 100644 --- a/drivers/soc/loongson/loongson2_pm.c +++ b/drivers/soc/loongson/loongson2_pm.c @@ -99,7 +99,7 @@ static int loongson2_power_button_init(struct device *dev, int irq) struct input_dev *button; button = input_allocate_device(); - if (!dev) + if (!button) return -ENOMEM; button->name = "Power Button";