From patchwork Thu May 26 07:37:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miaoqian Lin X-Patchwork-Id: 12862050 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id DD332C433EF for ; Thu, 26 May 2022 07:38:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :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=2o+3fxQ2RBnurR+jzU8Wbge00o/A5x7GgCbcpoo8QDw=; b=J2ZrhuX/rlp9Zt Ls7go5XC6GaS4bpC+T7HqxPXAUxosa1JuVpmd0PB0p8Q23u0M+KtR/0q4PChq7Llft1aFca2HHpNw a2fFLOGHMZ6Vh51YqGD7zusDhb1joMr+C0MTBHil32g/JK4+x9EEl25xlJCuIqm//TpnwlIaC9JCh c5GSHPSGP20l1wGZhjMzEyaK6bUopk66/mtN0MiWOYwLUdLAvNc9o3wS6jeVJhk+s/j7GlqUbSuh4 y9/3Mifp97Effg+rei9nAyFVIWdDhH3F7msmK+BX7LQhYBY46W2T6LCWwwhIuAP9VayCKIEsTbbnq L+wfyDLu0JoZ1kHJhE9w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nu83v-00Dpkf-Ud; Thu, 26 May 2022 07:37:40 +0000 Received: from mail-pl1-x631.google.com ([2607:f8b0:4864:20::631]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nu83s-00Dpjc-Ik for linux-arm-kernel@lists.infradead.org; Thu, 26 May 2022 07:37:37 +0000 Received: by mail-pl1-x631.google.com with SMTP id q18so774462pln.12 for ; Thu, 26 May 2022 00:37:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=+NgMOM+ok4zxWwg9Vf/2/wo0zo4GMHikcMmNLxvO/Ws=; b=AEKzVL6iIL3khRFAC+Zjy43JnLL++bZTFEMJFoQfjaKQ1gEKZj0RmVg1Jx4HG/7wwZ 5Id/4ij3TEeWyZYRkISruTZeRUQdZF8bwh3ifxpwhR8Na0XnGahVyXxjc5SuJSig9BMk c4cKBPm5ZsQGfkQzE//rV7awKx+KYwENFVNyUs1bhmiSCUe8k7pB8xiVCiKi0LM/Rjcd JjcXBdAJnWvykvFf0y4p789EUuUuFQUOHhDnCaWgPNY2OSx7qEuWRxb5CRB1BuYX2kLb idWCg1PgQl1NCtrKrknnmRQfYgPRGMb14vz1wLAflA7lxrPOvYvv4cI7sk/9A5gBkXW6 lG+Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=+NgMOM+ok4zxWwg9Vf/2/wo0zo4GMHikcMmNLxvO/Ws=; b=oHnjQbtbeFEOHkrXPPJIQ9fjBcnihfLavG0MWN4FCD1Pjb8fN1W4LddENIz+fbb42U GfPQTCB08H2TKZujDJeiRoVNVlr5qZC/vGM3clArYOUsXvSsR0VBepNwlNy0LMzIIqc5 0sLutkwWWS0ORC/y49UsNR3GmKNKyN8N5M+SjL9f+icP2y9Neu5DcfhY8N1zNKvGYegp MbTj88nK9ALcj9vgtcKSitZLIDhULo9CQNf0IJhL6PJXPX2+moqOx5OpMp2wXA5DP+hx 0ChQRfK2319jyOAXOkanPnL4Bz6oW0/r9Zp5/XsNqq3kwBrjwAv5TqLSRAfESJSDCiba 5VHA== X-Gm-Message-State: AOAM533gutsB8F1S1Z+lHgWmU055vSrTnRqwNn2p6BG8YY715RFjHJLn 1ffK5l+KEQPJm+nlCIJTV0k= X-Google-Smtp-Source: ABdhPJyWPLneCa/1iG6itH+eO72owGWS+56WVHLVWARX419vnc4rka51Hh1VmlMXU1mywT8Y4502ug== X-Received: by 2002:a17:90a:4587:b0:1de:c6ee:80f with SMTP id v7-20020a17090a458700b001dec6ee080fmr1245282pjg.196.1653550655010; Thu, 26 May 2022 00:37:35 -0700 (PDT) Received: from localhost.localdomain ([202.120.234.246]) by smtp.googlemail.com with ESMTPSA id je2-20020a170903264200b0016196bd15f4sm769204plb.15.2022.05.26.00.37.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 May 2022 00:37:34 -0700 (PDT) From: Miaoqian Lin To: Paul Walmsley , Tony Lindgren , Russell King , Nishanth Menon , Santosh Shilimkar , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: linmq006@gmail.com Subject: [PATCH] ARM: omap2: Fix refcount leak in omap3xxx_prm_late_init Date: Thu, 26 May 2022 11:37:24 +0400 Message-Id: <20220526073724.21169-1-linmq006@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220526_003736_690806_9D2879DC X-CRM114-Status: GOOD ( 12.32 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org of_find_matching_node() 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: 1e037794f7f0 ("ARM: OMAP3+: PRM: register interrupt information from DT") Signed-off-by: Miaoqian Lin --- arch/arm/mach-omap2/prm3xxx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-omap2/prm3xxx.c b/arch/arm/mach-omap2/prm3xxx.c index 1b442b128569..63e73e9b82bc 100644 --- a/arch/arm/mach-omap2/prm3xxx.c +++ b/arch/arm/mach-omap2/prm3xxx.c @@ -708,6 +708,7 @@ static int omap3xxx_prm_late_init(void) } irq_num = of_irq_get(np, 0); + of_node_put(np); if (irq_num == -EPROBE_DEFER) return irq_num;