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=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,T_DKIMWL_WL_HIGH,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 6FD77C072B5 for ; Fri, 24 May 2019 05:49:34 +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 F28C62168B for ; Fri, 24 May 2019 05:49:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="J6u0E+yP" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F28C62168B 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:Message-Id:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=e9ubk9LjOZjte8RrAGlx/QcdkqmC9wAPt2bbfNgFcY4=; b=J6u0E+yPR1wP1Y GNwXA8u9ohtt+ry22oX/ccrPn3DXXnHkZ48x42ywmCNg3xbhGewWn8Gl4lOlB6cnMw38Nbo9YB5Vm pEfm4AGqrsus5jZTIx9thOGdfEXMloHaikXzBNpWDDEBghNYRVjm3C1LlWD+AsfuWnEqn1+k7bfWU EHUq9N61TrtrWHHN/vZAxCUCVvpB/QZZPxS6ZuKTJak2210pTtRQtGR557E2lSmoFdzFnj1Iq4U3H nM/On245xNfWd2b/3FsuKgvkXEZMn89uW8s/61nLCkMdsf40BIWki11JZjtLGVFeVLV4LBIm76eHa HQSQuFoy+VyOGzrC7heQ==; 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 1hU355-0002wy-6e; Fri, 24 May 2019 05:49:27 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hU34w-0002pW-1P for linux-arm-kernel@lists.infradead.org; Fri, 24 May 2019 05:49:19 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id DC6472000FF; Fri, 24 May 2019 07:49:15 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id F019B2000AC; Fri, 24 May 2019 07:49:10 +0200 (CEST) Received: from localhost.localdomain (mega.ap.freescale.net [10.192.208.232]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 9A1D74029F; Fri, 24 May 2019 13:49:04 +0800 (SGT) From: Anson.Huang@nxp.com To: shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, leonard.crestez@nxp.com, abel.vesa@nxp.com, viresh.kumar@linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, hyc.nju@gmail.com Subject: [PATCH RESEND 1/2] soc: imx: soc-imx8: Avoid unnecessary of_node_put() in error handling Date: Fri, 24 May 2019 13:51:00 +0800 Message-Id: <20190524055101.3424-1-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190523_224918_256536_86DA7383 X-CRM114-Status: UNSURE ( 8.01 ) X-CRM114-Notice: Please train this message. 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: Linux-imx@nxp.com 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 From: Anson Huang 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 Reviewed-by: Leonard Crestez --- 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 02988bd..d5badde 100644 --- a/drivers/soc/imx/soc-imx8.c +++ b/drivers/soc/imx/soc-imx8.c @@ -115,8 +115,6 @@ 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; @@ -135,6 +133,8 @@ 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