From nobody Mon Apr 27 03:24:00 2026 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 0D992C43334 for ; Fri, 17 Jun 2022 13:42:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1381935AbiFQNm5 (ORCPT ); Fri, 17 Jun 2022 09:42:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51264 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235661AbiFQNmz (ORCPT ); Fri, 17 Jun 2022 09:42:55 -0400 Received: from mail-m963.mail.126.com (mail-m963.mail.126.com [123.126.96.3]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 81BD32BE8 for ; Fri, 17 Jun 2022 06:42:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=126.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=ZzvMF tp7Vaaiq+z/HKPs92ctVLKtidQXsg1toqz/UCE=; b=NGOgFWZYYDnivmk4r+DRX W2KXkwsyT50KBd6Z0ygOTMj/UZ9BbQJ7SMlQ7BfauPNDTvwjtuAflyWtMCYB406b hBpn4k+ijupHBnVwFiGE4Hv+14MKdmk3oyom3hJ6EauoxAC+aXRmsXIPkm7hikdW nGImGa11Q2Ow/pOHTg3UK0= Received: from localhost.localdomain (unknown [124.16.139.61]) by smtp8 (Coremail) with SMTP id NORpCgBn9oK2hKxio+VyFw--.39743S2; Fri, 17 Jun 2022 21:42:16 +0800 (CST) From: Liang He To: linus.walleij@linaro.org, linux@armlinux.org.uk Cc: windhl@126.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] arm: mach-versatile: Fix refcount leak in v2m Date: Fri, 17 Jun 2022 21:42:13 +0800 Message-Id: <20220617134213.4049822-1-windhl@126.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: NORpCgBn9oK2hKxio+VyFw--.39743S2 X-Coremail-Antispam: 1Uf129KBjvdXoWrtF4UXry8JryrKryfWry3urg_yoWxCrc_K3 Zaq3yxCr1rJF1FqrWDCw4rKrW2vw42grn5GFyfAr17ArWavr98Crs2q3s2y34UZr43KrW7 WrZ7Ar1Yyw17AjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUULZ2DUUUUU== X-Originating-IP: [124.16.139.61] X-CM-SenderInfo: hzlqvxbo6rjloofrz/1tbi7RgjF1pEAOBOuQAAsI Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" In vexpress_flags_set(), of_find_compatible_node() will return a node pointer with refcount incremented. We should use of_node_put() when it is not used anymore. Signed-off-by: Liang He --- arch/arm/mach-versatile/v2m.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-versatile/v2m.c b/arch/arm/mach-versatile/v2m.c index 79afdf2a90b6..275f0628aa7e 100644 --- a/arch/arm/mach-versatile/v2m.c +++ b/arch/arm/mach-versatile/v2m.c @@ -17,6 +17,7 @@ void vexpress_flags_set(u32 data) "arm,vexpress-sysreg"); =20 base =3D of_iomap(node, 0); + of_node_put(node); } =20 if (WARN_ON(!base)) --=20 2.25.1