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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 17532C4167B for ; Wed, 30 Mar 2022 11:54:14 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 6A1261898; Wed, 30 Mar 2022 13:53:22 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 6A1261898 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1648641252; bh=CdMizYcg0vqRMBZy3nZIQsY6pEwDwVuUydNu+uhIk38=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=aKuxi9b41cBEdPhRk1TZsNAEti0LTzgcSbrtKbnNmWO0bHSJRjItA9jVtS5Bezl8N JcMbUGWKYvCkW6C4o/UngzTFgUGMau+cLORDx+8vCky8QYMrMABMufk+KqKUvTPXC+ hFX2kC/r6e0rqxbV2Qogvm/FGHN/Q/zuZHim6Lys= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id A5061F805B6; Wed, 30 Mar 2022 13:48:34 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 2A6FAF805AB; Wed, 30 Mar 2022 13:48:30 +0200 (CEST) Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 3751AF8057A for ; Wed, 30 Mar 2022 13:48:27 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 3751AF8057A Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="hxx23rJV" 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 E080861637; Wed, 30 Mar 2022 11:48:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E2FD1C34112; Wed, 30 Mar 2022 11:48:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1648640905; bh=CdMizYcg0vqRMBZy3nZIQsY6pEwDwVuUydNu+uhIk38=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hxx23rJVV3pAQMX36J9gEjQqNIY2BS7XRvHlsJCvjgWmhEunErpOxX979TXFCFdOK wkK+GQVSZCjLlP/ffm0wvStIxm1AUpZUjCwtwGFNEsA3X5Q+3G3LZChLls5d9E1LMf K4XxoZP1jOUeqJaeYk0wn/naNR/+qyKWT0JZRbKyoIDGQAnrPG4+XD/l2lmA4+Q/C3 LlQyXEGhlP9XqmLdGHEGVggNIRyoFQnSMHBhgEmP2nkHR8U8BSqZPL7RMbUvPU9+N3 A8t0G9yeBC5PX87x4FGy+qokDiaYxnGIzx4MlcBFsvOJ1WX+YcdtwO53c+9oprCNQ3 VKt7VkUqBuZtw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 5.17 63/66] ASoC: mediatek: Fix error handling in mt8183_da7219_max98357_dev_probe Date: Wed, 30 Mar 2022 07:46:42 -0400 Message-Id: <20220330114646.1669334-63-sashal@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220330114646.1669334-1-sashal@kernel.org> References: <20220330114646.1669334-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Cc: Sasha Levin , Miaoqian Lin , alsa-devel@alsa-project.org, tiwai@suse.com, lgirdwood@gmail.com, Mark Brown , linux-mediatek@lists.infradead.org, Tzung-Bi Shih , matthias.bgg@gmail.com, linux-arm-kernel@lists.infradead.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" From: Miaoqian Lin [ Upstream commit 28a265a1ee11febeec5ea73a804f30dcec3181ca ] The device_node pointer is returned by of_parse_phandle() with refcount incremented. We should use of_node_put() on it when done. This function only calls of_node_put() in the regular path. And it will cause refcount leak in error paths. Fix this by calling of_node_put() in error handling too. Signed-off-by: Miaoqian Lin Reviewed-by: Tzung-Bi Shih Link: https://lore.kernel.org/r/20220316014059.19292-1-linmq006@gmail.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- .../mediatek/mt8183/mt8183-da7219-max98357.c | 23 +++++++++++++------ 1 file changed, 16 insertions(+), 7 deletions(-) diff --git a/sound/soc/mediatek/mt8183/mt8183-da7219-max98357.c b/sound/soc/mediatek/mt8183/mt8183-da7219-max98357.c index 718505c75418..f090dee0c7a4 100644 --- a/sound/soc/mediatek/mt8183/mt8183-da7219-max98357.c +++ b/sound/soc/mediatek/mt8183/mt8183-da7219-max98357.c @@ -695,8 +695,11 @@ static int mt8183_da7219_max98357_dev_probe(struct platform_device *pdev) } card = (struct snd_soc_card *)of_device_get_match_data(&pdev->dev); - if (!card) - return -EINVAL; + if (!card) { + ret = -EINVAL; + goto put_platform_node; + } + card->dev = &pdev->dev; hdmi_codec = of_parse_phandle(pdev->dev.of_node, @@ -761,12 +764,15 @@ static int mt8183_da7219_max98357_dev_probe(struct platform_device *pdev) if (!mt8183_da7219_max98357_headset_dev.dlc.of_node) { dev_err(&pdev->dev, "Property 'mediatek,headset-codec' missing/invalid\n"); - return -EINVAL; + ret = -EINVAL; + goto put_hdmi_codec; } priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; + if (!priv) { + ret = -ENOMEM; + goto put_hdmi_codec; + } snd_soc_card_set_drvdata(card, priv); @@ -775,13 +781,16 @@ static int mt8183_da7219_max98357_dev_probe(struct platform_device *pdev) ret = PTR_ERR(pinctrl); dev_err(&pdev->dev, "%s failed to select default state %d\n", __func__, ret); - return ret; + goto put_hdmi_codec; } ret = devm_snd_soc_register_card(&pdev->dev, card); - of_node_put(platform_node); + +put_hdmi_codec: of_node_put(hdmi_codec); +put_platform_node: + of_node_put(platform_node); return ret; } -- 2.34.1