From patchwork Fri Nov 25 07:01:56 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Zhang X-Patchwork-Id: 628849 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 54C8DC4332F for ; Fri, 25 Nov 2022 07:02:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229472AbiKYHCH (ORCPT ); Fri, 25 Nov 2022 02:02:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60694 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229469AbiKYHCG (ORCPT ); Fri, 25 Nov 2022 02:02:06 -0500 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A514D201A0; Thu, 24 Nov 2022 23:02:04 -0800 (PST) Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.57]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4NJQkw6d7kzmW4H; Fri, 25 Nov 2022 15:01:28 +0800 (CST) Received: from kwepemm600020.china.huawei.com (7.193.23.147) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Fri, 25 Nov 2022 15:02:02 +0800 Received: from localhost.localdomain (10.175.112.125) by kwepemm600020.china.huawei.com (7.193.23.147) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Fri, 25 Nov 2022 15:02:01 +0800 From: Peng Zhang To: , , CC: , , , , ZhangPeng Subject: [PATCH] pinctrl: pinconf-generic: add missing of_node_put() in pinconf_generic_dt_node_to_map() Date: Fri, 25 Nov 2022 07:01:56 +0000 Message-ID: <20221125070156.3535855-1-zhangpeng362@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.112.125] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To kwepemm600020.china.huawei.com (7.193.23.147) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org From: ZhangPeng of_node_put() needs to be called when jumping out of the loop, since for_each_available_child_of_node() will increase the refcount of node. Fixes: c7289500e29d ("pinctrl: pinconf-generic: scan also referenced phandle node") Signed-off-by: ZhangPeng --- drivers/pinctrl/pinconf-generic.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/pinctrl/pinconf-generic.c b/drivers/pinctrl/pinconf-generic.c index 415d1df8f46a..365c4b0ca465 100644 --- a/drivers/pinctrl/pinconf-generic.c +++ b/drivers/pinctrl/pinconf-generic.c @@ -395,8 +395,10 @@ int pinconf_generic_dt_node_to_map(struct pinctrl_dev *pctldev, for_each_available_child_of_node(np_config, np) { ret = pinconf_generic_dt_subnode_to_map(pctldev, np, map, &reserved_maps, num_maps, type); - if (ret < 0) + if (ret < 0) { + of_node_put(np); goto exit; + } } return 0;