From nobody Mon Sep 29 22:31:28 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 8D4A3C00140 for ; Tue, 16 Aug 2022 00:38:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232915AbiHPAiO (ORCPT ); Mon, 15 Aug 2022 20:38:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48906 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350884AbiHPAgM (ORCPT ); Mon, 15 Aug 2022 20:36:12 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DE6E71894E5; Mon, 15 Aug 2022 13:37:37 -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 E44486121C; Mon, 15 Aug 2022 20:37:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E6D67C433C1; Mon, 15 Aug 2022 20:37:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660595849; bh=G8eMVvbrPq5unUwNoM2tjRFPbT1HkxUQtxTb89lr8Fg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=u2vH3jIjX5OXlxUGhHs9EM5TaBiRU0gxWagMBaP9UcQ9PYibyf0TWIwCOgEc2s4HO BwGAloNjv76Gccaj315FEVqCOoMeVQUxY//pnD4F2rDK7wYdjBTLozeVw5no+5BTP7 z4RqxFkdogPl3jr9/0cYdJx3td8ZEfzDf0Q/oPcM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Miaoqian Lin , Mark Brown , Sasha Levin Subject: [PATCH 5.19 0893/1157] ASoC: mediatek: mt8173: Fix refcount leak in mt8173_rt5650_rt5676_dev_probe Date: Mon, 15 Aug 2022 20:04:09 +0200 Message-Id: <20220815180515.157240114@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220815180439.416659447@linuxfoundation.org> References: <20220815180439.416659447@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 ae4f11c1ed2d67192fdf3d89db719ee439827c11 ] of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Fix missing of_node_put() in error paths. Fixes: 94319ba10eca ("ASoC: mediatek: Use platform_of_node for machine driv= ers") Signed-off-by: Miaoqian Lin Link: https://lore.kernel.org/r/20220602034144.60159-1-linmq006@gmail.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/mediatek/mt8173/mt8173-rt5650-rt5676.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5676.c b/sound/soc/m= ediatek/mt8173/mt8173-rt5650-rt5676.c index 70bf312e855f..8794720cea3a 100644 --- a/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5676.c +++ b/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5676.c @@ -256,14 +256,16 @@ static int mt8173_rt5650_rt5676_dev_probe(struct plat= form_device *pdev) if (!mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node) { dev_err(&pdev->dev, "Property 'audio-codec' missing or invalid\n"); - return -EINVAL; + ret =3D -EINVAL; + goto put_node; } mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node =3D of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1); if (!mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node) { dev_err(&pdev->dev, "Property 'audio-codec' missing or invalid\n"); - return -EINVAL; + ret =3D -EINVAL; + goto put_node; } mt8173_rt5650_rt5676_codec_conf[0].dlc.of_node =3D mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node; @@ -276,13 +278,15 @@ static int mt8173_rt5650_rt5676_dev_probe(struct plat= form_device *pdev) if (!mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codecs->of_node) { dev_err(&pdev->dev, "Property 'audio-codec' missing or invalid\n"); - return -EINVAL; + ret =3D -EINVAL; + goto put_node; } =20 card->dev =3D &pdev->dev; =20 ret =3D devm_snd_soc_register_card(&pdev->dev, card); =20 +put_node: of_node_put(platform_node); return ret; } --=20 2.35.1