From patchwork Fri Mar 1 08:56:53 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Yang X-Patchwork-Id: 10834917 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9527A1669 for ; Fri, 1 Mar 2019 10:11:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 800C82DF5A for ; Fri, 1 Mar 2019 10:11:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7305C2DFBE; Fri, 1 Mar 2019 10:11:22 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 12B392DF5A for ; Fri, 1 Mar 2019 10:11:22 +0000 (UTC) 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:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To: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:List-Owner; bh=hoCuYAJLeyZ+LICS9fV8ZsnqyKL2Ti4Dx0GfMoebBz4=; b=PCv69mr6iRVg/B2nEbiE+YQex7 ha/4qLbKH+mH09bJSzwRlG1KhBZUZ0UDIpbYWh215dIgAtMt6I804F2wjQX49eHW7Td57t5EMC0eX AwViZepUFDPKq7XzP9+H3udShyLCrl2G8Lx8oMy3BQr7w8bSC0GvT4ki4aal8z37p+3LOWqQ8BmVn qlN9ZOrxXT/avTlw2YNXI3wVij9+DCmzLem9SCCVp74DFXNqQP8vwmnOk7OPjB3+jXtCglEd3noBY s9AdcGiPljCYFkPZ2kkzwhup3COKHiMa0rpb6UzbhR2GXDpx5iX4GS8npRXtQdFrcmCyPVakFzE4+ 9Usg0bqw==; 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 1gzf8Q-0006PS-Nd; Fri, 01 Mar 2019 10:11:18 +0000 Received: from merlin.infradead.org ([2001:8b0:10b:1231::1]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gzf7w-0005f8-5V; Fri, 01 Mar 2019 10:10:48 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=References:In-Reply-To:Message-Id:Date: Subject:Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=b2bffNjXshsgXMJ5WLTLq/IL72wG4KpVnf2G9A/iMGQ=; b=pHJPHIVFFdizqJovA3BkuLJCu r01vSK4VesII5ucPd8Jssyl+ICFim139GylMQj/Mxfii7kAMsn4K64L+X70EQn+8/3mBE/tEpC8Ci xOk4i2UdunEQqChGgqspcj/tSa7XyErsiuEtWYayg/5joXEUfscnbvooVljoV4b7nw4LJEk0V+S0u eNavGoJG70VRrQHBqBX3qUBIfNBZ4B0v77lFrgEAqM8gj2Cywx+Jrb52eQuslQMph1GkJLRFxQ3ye gorYxYcCO7hCP14v3LUYZuguvqX5OfoaM/68hpsmjBDhy6Yb9V2NfXFn9rF5fMbRXcI1X7DoBCzH+ hFRh4QwVg==; Received: from out1.zte.com.cn ([202.103.147.172] helo=mxct.zte.com.cn) by merlin.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gzdzb-000615-OI; Fri, 01 Mar 2019 08:58:08 +0000 Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Forcepoint Email with ESMTPS id 031C5A193DAC80C7A1AD; Fri, 1 Mar 2019 16:57:34 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id x218vMM0087267; Fri, 1 Mar 2019 16:57:22 +0800 (GMT-8) (envelope-from wen.yang99@zte.com.cn) Received: from fox-host8.localdomain ([10.74.120.8]) by szsmtp06.zte.com.cn (Lotus Domino Release 8.5.3FP6) with ESMTP id 2019030116580173-2499064 ; Fri, 1 Mar 2019 16:58:01 +0800 From: Wen Yang To: liviu.dudau@arm.com Subject: [PATCH 12/15] ARM: vexpress: fix a leaked reference by addingmissing of_node_put Date: Fri, 1 Mar 2019 16:56:53 +0800 Message-Id: <1551430616-42014-12-git-send-email-wen.yang99@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> References: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn> X-MIMETrack: Itemize by SMTP Server on SZSMTP06/server/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2019-03-01 16:58:01, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2019-03-01 16:57:07, Serialize complete at 2019-03-01 16:57:07 X-MAIL: mse01.zte.com.cn x218vMM0087267 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190301_035808_036837_58DF33F0 X-CRM114-Status: GOOD ( 11.84 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: heiko@sntech.de, maxime.ripard@bootlin.com, catalin.marinas@arm.com, linus.walleij@linaro.org, brendanhiggins@google.com, michal.simek@xilinx.com, xuwei5@hisilicon.com, manivannan.sadhasivam@linaro.org, Wen Yang , tmaimon77@gmail.com, f.fainelli@gmail.com, linux-rockchip@lists.infradead.org, will.deacon@arm.com, openbmc@lists.ozlabs.org, magnus.damm@gmail.com, linux@armlinux.org.uk, krzk@kernel.org, linux-samsung-soc@vger.kernel.org, wens@csie.org, kgene@kernel.org, bcm-kernel-feedback-list@broadcom.com, linux-imx@nxp.com, wang.yi59@zte.com.cn, rjui@broadcom.com, s.hauer@pengutronix.de, lorenzo.pieralisi@arm.com, yuenn@google.com, linux-arm-kernel@lists.infradead.org, sbranden@broadcom.com, avifishman70@gmail.com, venture@google.com, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, dinguyen@kernel.org, horms@verge.net.au, kernel@pengutronix.de, sudeep.holla@arm.com, fabio.estevam@nxp.com, shawnguo@kernel.org, afaerber@suse.de MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The call to of_get_next_child returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: ./arch/arm/mach-vexpress/dcscb.c:150:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 145, but without a corresponding object release within this function. ./arch/arm/mach-vexpress/dcscb.c:160:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 145, but without a corresponding object release within this function. ./arch/arm/mach-vexpress/dcscb.c:171:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 145, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: Liviu Dudau Cc: Sudeep Holla Cc: Lorenzo Pieralisi Cc: Russell King Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Acked-by: Sudeep Holla --- arch/arm/mach-vexpress/dcscb.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-vexpress/dcscb.c b/arch/arm/mach-vexpress/dcscb.c index ee2a0fa..aaade91 100644 --- a/arch/arm/mach-vexpress/dcscb.c +++ b/arch/arm/mach-vexpress/dcscb.c @@ -146,6 +146,7 @@ static int __init dcscb_init(void) if (!node) return -ENODEV; dcscb_base = of_iomap(node, 0); + of_node_put(node); if (!dcscb_base) return -EADDRNOTAVAIL; cfg = readl_relaxed(dcscb_base + DCS_CFG_R);