From patchwork Mon Apr 4 09:35:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miaoqian Lin X-Patchwork-Id: 556227 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 76ACBC433EF for ; Mon, 4 Apr 2022 09:36:37 +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 8025A16D6; Mon, 4 Apr 2022 11:35:45 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 8025A16D6 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1649064995; bh=MISkUlMJwjTnq7mFlq/oNBnWh38mnW81WtCm3p2Ztqg=; h=From:To:Subject:Date:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=HmS6d0qBEQbSfPaiwzxcBeO8fnYvRD7rj877TwgAEsqYt1KvCUfMz7ZmRiEVeolzm /Ze6D7ctAy4sxjk37FfzwhVYRm5uEh7heuW7jLfFBEqLkYFBeI1yMqQFEXJJDKwfjj 7DO4pJWTLy0Tu2s+O95IMPsY6O6rxvr0Y6Y4jyGI= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 2E317F8010B; Mon, 4 Apr 2022 11:35:45 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id ADF30F800D1; Mon, 4 Apr 2022 11:35:43 +0200 (CEST) Received: from mail-pj1-x1036.google.com (mail-pj1-x1036.google.com [IPv6:2607:f8b0:4864:20::1036]) (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 26D00F800D1 for ; Mon, 4 Apr 2022 11:35:40 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 26D00F800D1 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="hqie0Vxb" Received: by mail-pj1-x1036.google.com with SMTP id fu5so2506438pjb.1 for ; Mon, 04 Apr 2022 02:35:40 -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=NFJoHT6EmGTYBUPOupG38cbbiA5NqTvKVPy1Pb3g8l0=; b=hqie0VxbYc6jPuFUDUUWm1ttjYV4p5WiT7ENtpsiDJIZxfyFn8KEFNdFEfMWRv7WlT s4gwzU9BbT8f7aP01MHVF85zFMbgqlHDUL3hg3KSpHA88D7qEyQN8o9S1mZRK2HTupsz pjLzKJCvhIICpDKDOqz4Au81BgUEMVRv/nxup5iZJBKY6fktTyWz2ww03AWmpaPE8TVy SyzKdH5qTb00ZfGBjVS5/XU1AQBJ1SPMpZ2Od2UUpqxrDw4MvEGj1R8nbyqfxHiJ3FiZ Hw8k2PMX0hgXLjfsdoKXvPWmHxc/U07vws0xXytgr0GA+Y6fL1626W5leKk1qWV1VFfo 87Rg== 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=NFJoHT6EmGTYBUPOupG38cbbiA5NqTvKVPy1Pb3g8l0=; b=ezc3ripqCPhkOnerFV1lwRL3G5r1oLuEY5NYwXTDk57/fw+6XwwSmEdqZmTcX7+PLn iVODgdr6C07/lAgjl0w2xXiAKQ1u/2eAXnLsW+yS3DRRDo0yIAhrkKpANsX3XI5R1o0c +cxI6hPgs6FNuNcHerHDbT4DqHf6faBwJM9+m5zAsvYaQCIYGNQfuDc/pxKNyMhLa5EW 7L21tEu+pruxzbjI9ly5BVguaH5c2i4bpA5/u00YPt5fw1Mj+E1BRfuZtpXfng4KX/Hj PY5KNoyFk5PUrH2IIss5fdFcLf9UyOW7gRTDlbN3+2UDYdfEZGaec97blqyufVn734JK Bq4w== X-Gm-Message-State: AOAM532aBKBP3EgvcyqInR/K8GYknqkZ0syIuh1TRm5hv13KfjTYfbAM 9k6TzTA/cZ/kPv+reuhBf1c= X-Google-Smtp-Source: ABdhPJw99iosJV9nPCTMTX9k/SsOa92D4Q8eA8BMrDxaMJ3zDelyoQIOKd0hFHAqFwuNdvPttgVplA== X-Received: by 2002:a17:90b:164f:b0:1c7:8d20:ff6d with SMTP id il15-20020a17090b164f00b001c78d20ff6dmr25522757pjb.64.1649064938871; Mon, 04 Apr 2022 02:35:38 -0700 (PDT) Received: from localhost.localdomain ([159.226.95.43]) by smtp.googlemail.com with ESMTPSA id j20-20020a62e914000000b004fa3bd9bef0sm11032863pfh.110.2022.04.04.02.35.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Apr 2022 02:35:38 -0700 (PDT) From: Miaoqian Lin To: Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Matthias Brugger , Rikard Falkeborn , Miaoqian Lin , Ryder Lee , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH] ASoC: mediatek: Fix missing of_node_put in mt2701_wm8960_machine_probe Date: Mon, 4 Apr 2022 09:35:25 +0000 Message-Id: <20220404093526.30004-1-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" This node pointer is returned by of_parse_phandle() with refcount incremented in this function. Calling of_node_put() to avoid the refcount leak. Fixes: 8625c1dbd876 ("ASoC: mediatek: Add mt2701-wm8960 machine driver") Signed-off-by: Miaoqian Lin --- sound/soc/mediatek/mt2701/mt2701-wm8960.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/sound/soc/mediatek/mt2701/mt2701-wm8960.c b/sound/soc/mediatek/mt2701/mt2701-wm8960.c index f56de1b918bf..0cdf2ae36243 100644 --- a/sound/soc/mediatek/mt2701/mt2701-wm8960.c +++ b/sound/soc/mediatek/mt2701/mt2701-wm8960.c @@ -129,7 +129,8 @@ static int mt2701_wm8960_machine_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) @@ -140,7 +141,7 @@ static int mt2701_wm8960_machine_probe(struct platform_device *pdev) ret = snd_soc_of_parse_audio_routing(card, "audio-routing"); if (ret) { dev_err(&pdev->dev, "failed to parse audio-routing: %d\n", ret); - return ret; + goto put_codec_node; } ret = devm_snd_soc_register_card(&pdev->dev, card); @@ -148,6 +149,10 @@ static int mt2701_wm8960_machine_probe(struct platform_device *pdev) dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", __func__, ret); +put_codec_node: + of_node_put(codec_node); +put_platform_node: + of_node_put(platform_node); return ret; }