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 6E559CCA47F for ; Tue, 28 Jun 2022 02:24:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243927AbiF1CYT (ORCPT ); Mon, 27 Jun 2022 22:24:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60868 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244070AbiF1CW4 (ORCPT ); Mon, 27 Jun 2022 22:22:56 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1ACED252BD; Mon, 27 Jun 2022 19:22:15 -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 AB5B26184B; Tue, 28 Jun 2022 02:22:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3103AC34115; Tue, 28 Jun 2022 02:22:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1656382934; bh=ly8DOqpcNJQ6g+hvaKaUcq2rr6ousS0y7Q/V+Dd5p9Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jK8lCZXK7KSj/cSWLh6w4P1zz4r4L5JqCDrcbWTusHQZ6OuMf0wqFKIPHE6HHOZpa 4nkDpJO4cVQgZGVcwQmL0ddSwsRy8gsku3DhXTOvSRpzx3XCrCBl/CxUxO5GNMLfYo L4bIm7NCJ2wCy5apr4hqsdZyOPbSUWMO4VNcTUCOfjQVu3n73Sl1d7uEGHeiP6K50K R/yicVi0MI5frkSeVXMTqysRtJUrJvYYKZ44ByIGeT0d5EcpKnrpYXQAPowe7NotVR reEiaT1ctNm9I8MNm77LQ83YXsmqOMVUM5mi6Igdqeu542f4KGXkgrAuJRnR/+xMzs VjJvv8RzIPL5Q== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Liang He , Thomas Bogendoerfer , Sasha Levin , john@phrozen.org, wangborong@cdjrlc.com, xkernel.wang@foxmail.com, linux-mips@vger.kernel.org Subject: [PATCH AUTOSEL 5.15 30/41] mips: lantiq: falcon: Fix refcount leak bug in sysctrl Date: Mon, 27 Jun 2022 22:20:49 -0400 Message-Id: <20220628022100.595243-30-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220628022100.595243-1-sashal@kernel.org> References: <20220628022100.595243-1-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-kernel@vger.kernel.org From: Liang He [ Upstream commit 72a2af539fff975caadd9a4db3f99963569bd9c9 ] 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/falcon/sysctrl.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/mips/lantiq/falcon/sysctrl.c b/arch/mips/lantiq/falcon/sysctrl.c index 446a2536999b..f444d396bb11 100644 --- a/arch/mips/lantiq/falcon/sysctrl.c +++ b/arch/mips/lantiq/falcon/sysctrl.c @@ -208,6 +208,12 @@ void __init ltq_soc_init(void) of_address_to_resource(np_sysgpe, 0, &res_sys[2])) panic("Failed to get core resources"); + of_node_put(np_status); + of_node_put(np_ebu); + of_node_put(np_sys1); + of_node_put(np_syseth); + of_node_put(np_sysgpe); + if ((request_mem_region(res_status.start, resource_size(&res_status), res_status.name) < 0) || (request_mem_region(res_ebu.start, resource_size(&res_ebu), -- 2.35.1