From patchwork Mon Apr 4 09:29:01 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miaoqian Lin X-Patchwork-Id: 556037 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 870D4C433EF for ; Mon, 4 Apr 2022 09:30:08 +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 9A27316CC; Mon, 4 Apr 2022 11:29:16 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 9A27316CC DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1649064606; bh=0Lo+OEo6QeTVMIYWkrOb6qU6sgubXGRiVOiMAlZgNpc=; h=From:To:Subject:Date:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=LBN5r2qZFm4TyEvJsH+hivY2PbbW6xIe5OKATicqs9FTDg4y5Nl8sf3uDhiAmyHU/ EXAZrnc6OgQ9Qh9f8979QlybUg9Ja/nOBvt50t0TpVzSDqgy9aTneFvYAyByvHNls5 1p6OFIYOaSkiSShD7/4CXlsBXPjfEM/XOiT2frIs= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 468FEF8012C; Mon, 4 Apr 2022 11:29:16 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 26D5BF8010B; Mon, 4 Apr 2022 11:29:15 +0200 (CEST) Received: from mail-pg1-x52e.google.com (mail-pg1-x52e.google.com [IPv6:2607:f8b0:4864:20::52e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 5A0E9F8010B for ; Mon, 4 Apr 2022 11:29:12 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 5A0E9F8010B Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="nBv0RJtY" Received: by mail-pg1-x52e.google.com with SMTP id q19so7856984pgm.6 for ; Mon, 04 Apr 2022 02:29:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:subject:date:message-id; bh=25rklRbKCPsv/fRQUYfQLO06IirkCoUcr/CH2yXPlg0=; b=nBv0RJtYmfjSnEU9JW7F8vPjVAc38XVKIiB+Nv1Pyj/2Kl3CbuQTBfdZsewPPKnt6m eRu9uOkrg/e9NhZhQ15shTFSGJfOzGjQatHbtfehqNJ5f4GhoTGlVd3F/RrWhucFZneO WU6vJl0X1XI03mve7bJACyyr2/piw3Ai+Xh/ApNfdN6YuT2F0+o/kbmFKiRRrXd5ibzz S0mgTCO0YWRYrIhQbc+xuAnvYmZHWVRzAdljZuvh3i2qDf4JPYR7qGxiVal1ii7mWz76 t/V8vil3Q32bQhtdLFQNEN8AHLnhaZ1LIXIdbvZDLNmkwEpWugRXsYsJYgrUa9u9h+mi /+HQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id; bh=25rklRbKCPsv/fRQUYfQLO06IirkCoUcr/CH2yXPlg0=; b=Ah8AoX07YDVhnIEmeP/LCiG0/5b7dP5qulzgQX6bqQaxCQ0iJvx69LXUj0zAN4S1C7 l3kZ2FukUTOxlBeCpCM3tnT4Bqmf0gabRPwow6iMrG2HpzMzWaK16dSLi5HseKVIftHv eqWsSsW/rZp9dpkzDBANwlgj6HMzXm9xkHHqTgpiA0/frn8DUhHC+YgXhruNN7oOM9EV nf2CauL5jKtyRTMV/MtBSykdLBSfv4Sl+dtQ9/++ng0hIf9pof8SMl4Hab972WGlaFbr pBs/hJy2dWrdqK8RbfLuJ2fzZ2QZZ49RYyAeFXLVTS7zSQ+d+pq2AApEEDDmi4Mlb94Q hwCg== X-Gm-Message-State: AOAM532FejwEKRe5GWw2lZyDH5rS5HVenUJiT629NwFkWaEJ29maBH5f CfJw/OjgrJSEApivdRX1PKE= X-Google-Smtp-Source: ABdhPJzDhNqYIqvfdG6d/FBo1eOl6xSsWZwI4Iti4exghBFyDjhz9X/Fg/iKNHzjDK0eLF6hNJVhjA== X-Received: by 2002:a63:3344:0:b0:398:2527:a122 with SMTP id z65-20020a633344000000b003982527a122mr25559649pgz.140.1649064549916; Mon, 04 Apr 2022 02:29:09 -0700 (PDT) Received: from localhost.localdomain ([159.226.95.43]) by smtp.googlemail.com with ESMTPSA id h189-20020a636cc6000000b0039841f669bcsm10063032pgc.78.2022.04.04.02.29.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Apr 2022 02:29:09 -0700 (PDT) From: Miaoqian Lin To: Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Matthias Brugger , Tzung-Bi Shih , Miaoqian Lin , Jiaxin Yu , Koro Chen , alsa-devel@alsa-project.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] ASoC: mediatek: Fix error handling in mt8173_max98090_dev_probe Date: Mon, 4 Apr 2022 09:29:01 +0000 Message-Id: <20220404092903.26725-1-linmq006@gmail.com> X-Mailer: git-send-email 2.17.1 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" Call of_node_put(platform_node) to avoid refcount leak in the error path. Fixes: 94319ba10eca ("ASoC: mediatek: Use platform_of_node for machine drivers") Fixes: 493433785df0 ("ASoC: mediatek: mt8173: fix device_node leak") Signed-off-by: Miaoqian Lin --- sound/soc/mediatek/mt8173/mt8173-max98090.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/sound/soc/mediatek/mt8173/mt8173-max98090.c b/sound/soc/mediatek/mt8173/mt8173-max98090.c index 4cb90da89262..58778cd2e61b 100644 --- a/sound/soc/mediatek/mt8173/mt8173-max98090.c +++ b/sound/soc/mediatek/mt8173/mt8173-max98090.c @@ -167,7 +167,8 @@ static int mt8173_max98090_dev_probe(struct platform_device *pdev) if (!codec_node) { dev_err(&pdev->dev, "Property 'audio-codec' missing or invalid\n"); - return -EINVAL; + ret = -EINVAL; + goto put_platform_node; } for_each_card_prelinks(card, i, dai_link) { if (dai_link->codecs->name) @@ -179,6 +180,8 @@ static int mt8173_max98090_dev_probe(struct platform_device *pdev) ret = devm_snd_soc_register_card(&pdev->dev, card); of_node_put(codec_node); + +put_platform_node: of_node_put(platform_node); return ret; }