From nobody Fri Oct 24 20:33:56 2025 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 6FAAFC25B08 for ; Mon, 15 Aug 2022 22:59:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245226AbiHOW7k (ORCPT ); Mon, 15 Aug 2022 18:59:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45652 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244346AbiHOW6C (ORCPT ); Mon, 15 Aug 2022 18:58:02 -0400 Received: from sin.source.kernel.org (sin.source.kernel.org [IPv6:2604:1380:40e1:4800::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6CF73696EE; Mon, 15 Aug 2022 12:56:22 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id B4483CE12C3; Mon, 15 Aug 2022 19:56:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B3899C433D6; Mon, 15 Aug 2022 19:56:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660593379; bh=An8D4+n6Jwfwj91yuPxd1/4FqbUNxpmahaeImPslgKM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VOMkSoXnxPkU16uJuio/Yx/9NzX/3HhNHtyIbErzeEcKNAeQ60b1DSiWri91atBoa xfv42pgg9a7vFnmt6nyTN+i7+JoymJwiV/NhjHhRk4QZ999sGU4HLcXszDLbCSU8gO qGfZtx5vCc1M5ofGYshtl2WAoX6wWfbKXzH5Vabg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Miaoqian Lin , Michael Ellerman , Sasha Levin Subject: [PATCH 5.18 0937/1095] powerpc/xive: Fix refcount leak in xive_get_max_prio Date: Mon, 15 Aug 2022 20:05:36 +0200 Message-Id: <20220815180507.977193732@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220815180429.240518113@linuxfoundation.org> References: <20220815180429.240518113@linuxfoundation.org> User-Agent: quilt/0.67 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" From: Miaoqian Lin [ Upstream commit 255b650cbec6849443ce2e0cdd187fd5e61c218c ] of_find_node_by_path() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. Add missing of_node_put() to avoid refcount leak. Fixes: eac1e731b59e ("powerpc/xive: guest exploitation of the XIVE interrup= t controller") Signed-off-by: Miaoqian Lin Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20220605053225.56125-1-linmq006@gmail.com Signed-off-by: Sasha Levin --- arch/powerpc/sysdev/xive/spapr.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/sysdev/xive/spapr.c b/arch/powerpc/sysdev/xive/sp= apr.c index b0d36e430dbc..013446f5cdbb 100644 --- a/arch/powerpc/sysdev/xive/spapr.c +++ b/arch/powerpc/sysdev/xive/spapr.c @@ -716,6 +716,7 @@ static bool __init xive_get_max_prio(u8 *max_prio) } =20 reg =3D of_get_property(rootdn, "ibm,plat-res-int-priorities", &len); + of_node_put(rootdn); if (!reg) { pr_err("Failed to read 'ibm,plat-res-int-priorities' property\n"); return false; --=20 2.35.1