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=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 8F1C5C04AAF for ; Tue, 21 May 2019 09:18:58 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5EF3521743 for ; Tue, 21 May 2019 09:18:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="utKxUH5U"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=nxp.com header.i=@nxp.com header.b="gZYCgIsm" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5EF3521743 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nxp.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Content-ID:Message-ID:Date :Subject:To:From:Reply-To:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=t/RtxpE6ZZH8Z20PxcDlt1zhO16NKVh/ot7oEO49hy8=; b=utKxUH5UAuRSg6 xzMc9z+kdkc8yXBvkk9s060XcjQVoS9brr8F9C/vs/t76zqY0tp0IsncoPcYMrJtsuYCCrN0I28xD Pwyy3+JChaCyx4xGjF5rPcLTx5EXDlI8mw+eqb7C2urhDknt7f5hKjqQHHv/GwLXY59Nwx21tTGRa SmRqyk+76I9MYP/JDUYbyuXjdyDnkbusJdpxKOnu8u0Ptxp7m58LcDkRiqUYRUMUlqmesq/MVpMS5 SJLovtE+TCoMKC+fCK4tEkILBJMVmdj4Xyvo2c0kkkTOIV3dNRU1Uk8u0tcQhN5PMljieEfbMDsMf 5eQzrUfyrPXSRaNvnb/A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hT0v7-0006Uq-3u; Tue, 21 May 2019 09:18:53 +0000 Received: from mail-eopbgr70072.outbound.protection.outlook.com ([40.107.7.72] helo=EUR04-HE1-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hT0v2-0006IV-31 for linux-arm-kernel@lists.infradead.org; Tue, 21 May 2019 09:18:51 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=YSzlrVus6h4wgDGfi7rOg2cKnK8z3Gki/jd2MrlQMb4=; b=gZYCgIsmPgoF3ROdvs/CawdERYiy92dvA8TC2dU8aHz/1T/thRFlMGDkgYy8AjxhnhElYVJj04ouduWHuPTav1tbeeG0V0JBHv1+ro/go4KYb595Cp/LtzCYC9+2nztWBrr74zyNfqPu/Dzx3gxUQA9zPvZb7rpZB0Gt79+I5cU= Received: from DB3PR0402MB3916.eurprd04.prod.outlook.com (52.134.72.18) by DB3PR0402MB3836.eurprd04.prod.outlook.com (52.134.71.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1900.16; Tue, 21 May 2019 09:18:43 +0000 Received: from DB3PR0402MB3916.eurprd04.prod.outlook.com ([fe80::5835:e874:bd94:fec]) by DB3PR0402MB3916.eurprd04.prod.outlook.com ([fe80::5835:e874:bd94:fec%5]) with mapi id 15.20.1900.020; Tue, 21 May 2019 09:18:43 +0000 From: Anson Huang To: "shawnguo@kernel.org" , "s.hauer@pengutronix.de" , "kernel@pengutronix.de" , "festevam@gmail.com" , Leonard Crestez , Abel Vesa , "viresh.kumar@linaro.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" Subject: [PATCH 1/2] soc: imx: soc-imx8: Avoid unnecessary of_node_put() in error handling Thread-Topic: [PATCH 1/2] soc: imx: soc-imx8: Avoid unnecessary of_node_put() in error handling Thread-Index: AQHVD7YvdNtmZ2uz6UeyYdwfC+FzEA== Date: Tue, 21 May 2019 09:18:43 +0000 Message-ID: <1558430013-18346-1-git-send-email-Anson.Huang@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.7.4 x-clientproxiedby: HK2PR0401CA0005.apcprd04.prod.outlook.com (2603:1096:202:2::15) To DB3PR0402MB3916.eurprd04.prod.outlook.com (2603:10a6:8:10::18) authentication-results: spf=none (sender IP is ) smtp.mailfrom=anson.huang@nxp.com; x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [119.31.174.66] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 92db3c01-4687-4cb2-5f4b-08d6ddcd517e x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600141)(711020)(4605104)(4618075)(2017052603328)(7193020); SRVR:DB3PR0402MB3836; x-ms-traffictypediagnostic: DB3PR0402MB3836: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:3383; x-forefront-prvs: 0044C17179 x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(39860400002)(366004)(376002)(136003)(346002)(396003)(199004)(189003)(4326008)(486006)(256004)(14454004)(26005)(81156014)(8676002)(81166006)(8936002)(6486002)(2201001)(2501003)(6436002)(6512007)(7736002)(86362001)(53936002)(3846002)(36756003)(25786009)(6116002)(71200400001)(71190400001)(4744005)(5660300002)(66066001)(64756008)(66446008)(102836004)(50226002)(52116002)(99286004)(2616005)(66556008)(66476007)(73956011)(66946007)(186003)(476003)(386003)(6506007)(478600001)(2906002)(305945005)(316002)(68736007)(110136005); DIR:OUT; SFP:1101; SCL:1; SRVR:DB3PR0402MB3836; H:DB3PR0402MB3916.eurprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: OhrtVyWcq7jHAm/gdy2b/sT2EbBOqcTHgH1rK2xcPl/eEjGFcNKyAA2LO4ChIj+23ryuYzWlKZiW1Pr29RGjwefSqb7iwimlm9PPH7XKXkA5k+CChNEnb7Dnq+KCgD07QcO1kn9vjyo77Sb67cZpJKvLdoymFVPNdFBtZooHAvgo8hRUpdjX9YSbn1UFrigx/EYIEkdIKc3O9FnrOQaowZbk6mBj7eCM7BGkwe0oESVjUtBWY0LmLev6/UaOolrvYtzBi0d4+NYtfiTN+gmMQuFYAEQllFCxRzD5Twe2LO78Hnwt8k05P2/1VLuuxPJKJ3q6peilEgLCduG6G1xXxJqoHPARCIOmZQmsW3N4s4ht8HNj1FkwVSGf1bo3uqEyAswgWsMP7Ko2lzTeKY1QOiQeghZPR0y/+jcFW1pjggw= Content-ID: MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 92db3c01-4687-4cb2-5f4b-08d6ddcd517e X-MS-Exchange-CrossTenant-originalarrivaltime: 21 May 2019 09:18:43.1360 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB3PR0402MB3836 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190521_021848_360925_FC5145A3 X-CRM114-Status: GOOD ( 12.25 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: dl-linux-imx Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org of_node_put() is called after of_match_node() successfully called, then in the following error handling, of_node_put() is called again which is unnecessary, this patch adjusts the location of of_node_put() to avoid such scenario. Signed-off-by: Anson Huang --- drivers/soc/imx/soc-imx8.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/soc/imx/soc-imx8.c b/drivers/soc/imx/soc-imx8.c index b1bd8e2..944add2 100644 --- a/drivers/soc/imx/soc-imx8.c +++ b/drivers/soc/imx/soc-imx8.c @@ -86,8 +86,6 @@ static int __init imx8_soc_init(void) if (!id) goto free_soc; - of_node_put(root); - data = id->data; if (data) { soc_dev_attr->soc_id = data->name; @@ -106,6 +104,8 @@ static int __init imx8_soc_init(void) if (IS_ENABLED(CONFIG_ARM_IMX_CPUFREQ_DT)) platform_device_register_simple("imx-cpufreq-dt", -1, NULL, 0); + of_node_put(root); + return 0; free_rev: -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel