From nobody Mon Apr 29 13:19:40 2024 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 C6417C433EF for ; Mon, 23 May 2022 15:20:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237730AbiEWPUw (ORCPT ); Mon, 23 May 2022 11:20:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48628 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237681AbiEWPUs (ORCPT ); Mon, 23 May 2022 11:20:48 -0400 Received: from mail-pf1-x435.google.com (mail-pf1-x435.google.com [IPv6:2607:f8b0:4864:20::435]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 515085DA79; Mon, 23 May 2022 08:20:47 -0700 (PDT) Received: by mail-pf1-x435.google.com with SMTP id w200so13983169pfc.10; Mon, 23 May 2022 08:20:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=D/Inwr04zz5evYrUoXhEX7FCvYRzx8i5GqA3k3ATkNs=; b=U8EA5fTmJXhERlLZ4BOZWIAaMdCQQGa+myhcNaM9kllBj7/CnKkKIObXyKQa1PNiG7 1jnE/Eqygwm8GayKACdjKiZtfFvEZCFuyRFgwEFkQFPJpDGxOV8zPkBb111RAmZC65mV CHQWaLGPLrlX0PGEhi8Gyy21gtZwS+Cb/FVq1htf2/jfpFyYO9BVO2GiGQkypWiQMIcF tkq+JgF0Lc90WOUsv0moDrs9jzyZJfA2WAtsaufMT6c5HJ1bhNWBOMWT/M6xUhwO6rK0 xDBXKrX5a6XvlEDPD3ZWCR5V+1wy0fx5N2r4omxifvSgDnk4eidRGni6h1b2ROaAQKbg AP3w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=D/Inwr04zz5evYrUoXhEX7FCvYRzx8i5GqA3k3ATkNs=; b=xmN8DbGNSmuW9NpUQwEn631PF7j6CerdcHXm91oS4A/4mQlHC3WuJrIMdq8FnbgevN FXktgT7RLMYWdu8zZKjuJAxrLfp779K/lRpHUc8at6l1UNx0IK2eVu0V6PLkeRanVR22 BlK3QGpGgyNzHEr6ScdhxAmLvTyTo6YX75ClRUN5n0n1MM369S884fn/VjaNodwyiq9S 4tJybJPE21G3BdqhAgzS99G3kP8TpCM1c8NvXFqkQRjjTyrQCrEDV6HN15BkJ8zJbnh/ 2VrjlrkhoKi9Mq0XUbikbrnLvAvdMA1yBcJ8TrIcicuhpAm4pdB+u7y9hyVR5eHRmRiD Gy/Q== X-Gm-Message-State: AOAM532UizrzVgiAIg8MH9mH0pZXo2CYBd+lSiFwHXEpyuCDVCfNLIl6 psRRkoWbDIqYpP44pWnXWjZotbTyVdOYwQ== X-Google-Smtp-Source: ABdhPJxvvXJG0l5AKxskSnSV89HBpYiemGVnoAQea8WztiAzfZ/nSLNRoxvgYc0KgSejg1XFfxGELw== X-Received: by 2002:a05:6a00:1826:b0:518:4c8b:c5db with SMTP id y38-20020a056a00182600b005184c8bc5dbmr19660600pfa.22.1653319246872; Mon, 23 May 2022 08:20:46 -0700 (PDT) Received: from localhost.localdomain ([202.120.234.246]) by smtp.googlemail.com with ESMTPSA id a2-20020a1709027e4200b001620db30cd6sm4714465pln.201.2022.05.23.08.20.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 May 2022 08:20:46 -0700 (PDT) From: Miaoqian Lin To: Russell King , Thierry Reding , Jonathan Hunter , Miaoqian Lin , Joseph Lo , Stephen Warren , linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] ARM: tegra: Fix refcount leak in tegra114_gic_cpu_pm_registration Date: Mon, 23 May 2022 19:20:36 +0400 Message-Id: <20220523152037.16078-1-linmq006@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" 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: 7e8b15dbc392 ("ARM: tegra114: Reprogram GIC CPU interface to bypass = IRQ on CPU PM entry") Signed-off-by: Miaoqian Lin --- arch/arm/mach-tegra/irq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mach-tegra/irq.c b/arch/arm/mach-tegra/irq.c index 4e1ee70b2a3f..d51bdd46219e 100644 --- a/arch/arm/mach-tegra/irq.c +++ b/arch/arm/mach-tegra/irq.c @@ -73,7 +73,7 @@ static void __init tegra114_gic_cpu_pm_registration(void) return; =20 tegra_gic_cpu_base =3D of_iomap(dn, 1); - + of_node_put(dn); cpu_pm_register_notifier(&tegra_gic_notifier_block); } #else --=20 2.25.1