From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 00CC2C432C3 for ; Fri, 22 Nov 2019 06:05:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BCEFA2070A for ; Fri, 22 Nov 2019 06:05:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574402733; bh=W95AYDwAJnNW+zQXXgJRscFzlUAPbfC/sWs9ATA/zUo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Bi+9+NaZX1xsP1OOWvHa7rERdEgHeqK0cIeJ39tljdw2cbuEiPKoTIQ0/QW7DJ3T1 nxmsrs9fObL13HzdeJ7w365bat0uAPLQtl99+g0+HOEljdc8GWejmntX+HAcGqSjSQ lrOQpl/ErYHgKpNmaIR2rA9Bjf9YMMfA0Pwu301M= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729765AbfKVGCh (ORCPT ); Fri, 22 Nov 2019 01:02:37 -0500 Received: from mail.kernel.org ([198.145.29.99]:41302 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729753AbfKVGCd (ORCPT ); Fri, 22 Nov 2019 01:02:33 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 58E1320659; Fri, 22 Nov 2019 06:02:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574402552; bh=W95AYDwAJnNW+zQXXgJRscFzlUAPbfC/sWs9ATA/zUo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MIPew2QxTSkWpiwgjWSMeMgWZXdmMRNRMJj4G41oPHqPlz6UKvbHihexkALP6EoHG zf9k8KywoaSDWFKt/fra3bPDHQuBXc63U0MrpUtSBM2TSCxJueRpM4i/w0gjBuHRRk LlP02ZlCr26zCHWBMvP9b1i2Q76fOs1nA6sXSgu0= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Michael Ellerman , Sasha Levin , linuxppc-dev@lists.ozlabs.org Subject: [PATCH AUTOSEL 4.9 58/91] powerpc/pseries: Fix node leak in update_lmb_associativity_index() Date: Fri, 22 Nov 2019 01:00:56 -0500 Message-Id: <20191122060129.4239-57-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191122060129.4239-1-sashal@kernel.org> References: <20191122060129.4239-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Michael Ellerman [ Upstream commit 47918bc68b7427e961035949cc1501a864578a69 ] In update_lmb_associativity_index() we lookup dr_node using of_find_node_by_path() which takes a reference for us. In the non-error case we forget to drop the reference. Note that find_aa_index() does modify properties of the node, but doesn't need an extra reference held once it's returned. Signed-off-by: Michael Ellerman Signed-off-by: Sasha Levin --- arch/powerpc/platforms/pseries/hotplug-memory.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c index c0a0947f43bbb..e65ef3067afb5 100644 --- a/arch/powerpc/platforms/pseries/hotplug-memory.c +++ b/arch/powerpc/platforms/pseries/hotplug-memory.c @@ -294,6 +294,7 @@ static u32 lookup_lmb_associativity_index(struct of_drconf_cell *lmb) aa_index = find_aa_index(dr_node, ala_prop, lmb_assoc); + of_node_put(dr_node); dlpar_free_cc_nodes(lmb_node); return aa_index; } -- 2.20.1