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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2E987C43334 for ; Tue, 28 Jun 2022 02:29:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244636AbiF1C3j (ORCPT ); Mon, 27 Jun 2022 22:29:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40760 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244905AbiF1C2S (ORCPT ); Mon, 27 Jun 2022 22:28:18 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EBAB02654A; Mon, 27 Jun 2022 19:27:23 -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 dfw.source.kernel.org (Postfix) with ESMTPS id 88AB16192A; Tue, 28 Jun 2022 02:27:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2D00EC341CA; Tue, 28 Jun 2022 02:27:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1656383243; bh=lxvNlYhAytKwxZp4jMyRmt1FmbsAxMgDwEsNjVDEVwo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tsfSEiEa2eXENn4tW8v37DfQRxnDWHg/y3D/qo/Yfyndvw8YlyPDgXcNcGGijEIEW HUzoSW8Z9ZoMyLozjPhN+6amV9u3a18xej2nDyalDotsTKzNr4L/LSZoEVgnVf5cgH 87nORfhwJvnCU7JYdO+Eyz4ksaYh3bqx0zjYlBTdbXm15J5Lb6+8pR/e9nE6BPmA1R UgILQuADFcUE/31HQKV0Cw/XLV6MBwCicbhWj7YkmIBCybltETYsz87Ozfq4xGt3NN px3QN1Mqju0QAftP46gDGnu2bE+1TBin5pCW/mCL5Wb4mqcdhbyV0xwybOigjYIXkY ouuEAdCc9wdSg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Liang He , Thomas Bogendoerfer , Sasha Levin , john@phrozen.org, xkernel.wang@foxmail.com, linux-mips@vger.kernel.org Subject: [PATCH AUTOSEL 4.9 10/13] mips: lantiq: xway: Fix refcount leak bug in sysctrl Date: Mon, 27 Jun 2022 22:26:54 -0400 Message-Id: <20220628022657.597208-10-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220628022657.597208-1-sashal@kernel.org> References: <20220628022657.597208-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org From: Liang He [ Upstream commit 76695592711ef1e215cc24ed3e1cd857d7fc3098 ] In ltq_soc_init(), 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 Signed-off-by: Thomas Bogendoerfer Signed-off-by: Sasha Levin --- arch/mips/lantiq/xway/sysctrl.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/mips/lantiq/xway/sysctrl.c b/arch/mips/lantiq/xway/sysctrl.c index dd7c36a193e3..6891456a7603 100644 --- a/arch/mips/lantiq/xway/sysctrl.c +++ b/arch/mips/lantiq/xway/sysctrl.c @@ -457,6 +457,10 @@ void __init ltq_soc_init(void) of_address_to_resource(np_ebu, 0, &res_ebu)) panic("Failed to get core resources"); + of_node_put(np_pmu); + of_node_put(np_cgu); + of_node_put(np_ebu); + if (!request_mem_region(res_pmu.start, resource_size(&res_pmu), res_pmu.name) || !request_mem_region(res_cgu.start, resource_size(&res_cgu), -- 2.35.1