From patchwork Mon Nov 28 14:27:40 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qiheng Lin X-Patchwork-Id: 629376 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 00662C433FE for ; Mon, 28 Nov 2022 14:09:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232386AbiK1OJL (ORCPT ); Mon, 28 Nov 2022 09:09:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34638 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232385AbiK1OIs (ORCPT ); Mon, 28 Nov 2022 09:08:48 -0500 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DE7632188C; Mon, 28 Nov 2022 06:07:54 -0800 (PST) Received: from kwepemi500014.china.huawei.com (unknown [172.30.72.54]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4NLRyv3vHdzqSk3; Mon, 28 Nov 2022 22:03:51 +0800 (CST) Received: from localhost.localdomain (10.175.112.70) by kwepemi500014.china.huawei.com (7.221.188.232) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Mon, 28 Nov 2022 22:07:51 +0800 From: Qiheng Lin To: CC: , , Qiheng Lin Subject: [PATCH] power: supply: Fix refcount leak in rk817_charger_probe Date: Mon, 28 Nov 2022 22:27:40 +0800 Message-ID: <20221128142740.1414-1-linqiheng@huawei.com> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 X-Originating-IP: [10.175.112.70] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To kwepemi500014.china.huawei.com (7.221.188.232) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org of_get_child_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak. Fixes: 11cb8da0189b ("power: supply: Add charger driver for Rockchip RK817") Signed-off-by: Qiheng Lin --- drivers/power/supply/rk817_charger.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) -- 2.32.0 diff --git a/drivers/power/supply/rk817_charger.c b/drivers/power/supply/rk817_charger.c index 635f051b0821..d25a81d79fac 100644 --- a/drivers/power/supply/rk817_charger.c +++ b/drivers/power/supply/rk817_charger.c @@ -1060,8 +1060,10 @@ static int rk817_charger_probe(struct platform_device *pdev) return -ENODEV; charger = devm_kzalloc(&pdev->dev, sizeof(*charger), GFP_KERNEL); - if (!charger) + if (!charger) { + of_node_put(node); return -ENOMEM; + } charger->rk808 = rk808;