From patchwork Thu Jun 2 13:02:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miaoqian Lin X-Patchwork-Id: 578523 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 611A0CCA478 for ; Thu, 2 Jun 2022 13:03:26 +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 515951730; Thu, 2 Jun 2022 15:02:34 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 515951730 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1654175004; bh=mrbQ8miNJBYUIqNqm3hvqugDcbOaOh36wpvIGONBowo=; h=From:To:Subject:Date:Cc:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=ttIdeApMe2ZPNiAl2vQcMJikEZYtPxzFMC9N3y7XKnyPptrck/k+Mh7E7qVl8NMIe C3B1CBSOuxSQ6Imu/u2ESXIn5kvZkBN539WvowdaznBKzDFOn+E6JQ3FHtMiyQId2Y +9JX1SJm1gH2dLWlpsKp05yWU7IX84ymqKU9m0HU= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id E6D16F80149; Thu, 2 Jun 2022 15:02:33 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 36DAAF80236; Thu, 2 Jun 2022 15:02:33 +0200 (CEST) Received: from mail-pl1-x632.google.com (mail-pl1-x632.google.com [IPv6:2607:f8b0:4864:20::632]) (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 A8C53F80149 for ; Thu, 2 Jun 2022 15:02:30 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz A8C53F80149 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="pEVgysGf" Received: by mail-pl1-x632.google.com with SMTP id h1so4454844plf.11 for ; Thu, 02 Jun 2022 06:02:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=XdxxRvNPqFgVB4QJaeaHAzMjj0lVYGxn3dldB8u/Zr4=; b=pEVgysGf3LJ/rw3xxHkq4t2G/Mh5jq0fS7dPhhVc0eFcSxs7j7DVRCc5NPnOOQE6En ro82zoh9lPKDxsRnKXS8z/pcJPAuoxXpP2yUmqZDj85NFbWo4DjK7K3eZqZF7ckz6XyP wCTrr36K7FKehCH0BPeVg7CBPAHIT1EZ2MVHmBQox45X0AH4nc3yvmUUzTEpMTZGv06k mBWZzLJaqJge+PHqw8x2yLS6XW+7IEPn3L6TOCe5zYZfRYnBSvKP+FXML2d39FPYB8tu brAkXmSOmwRR74eZ8D2ImNTfB78g/g6dtCyEnYwAzK2wYA/R4FZxEaoowjGXXh/sRstQ mWlw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=XdxxRvNPqFgVB4QJaeaHAzMjj0lVYGxn3dldB8u/Zr4=; b=gm6Y/Kj13UhMORldbD8SbXo1xTiKW+DzhksvZpyI95tPzusQupiD06FuCHe2Mxg/0a bOMpIjYv7j84xxFMaqmMIkCaydDY4/LI7oMs6tt+wT9JFc6UfIn0kVj4apwVhvNq2JN0 rN7HooPjfsrEkjjhqfmlhScbDVqy7QY0mkF2xTVFA0ZGu7vfJ4OFznUR1jcHwJBorHta hc4vPrAlcmqtXewIxxOQ3jUQ3prnG+rO11rUG/ZPD+DphWuEp1f/mjZpVwuVT8U3otOO MlrxsAk09nC78OhRk6fGrki2M+9LViyRre/ZM26QG6Ner1fFMAhbD8gV96r4RndXOVoW BGQA== X-Gm-Message-State: AOAM5332tbmObeYU6fAPSUX/Mzhiwx4M02oMbLowabw6jPrEX1IflhaM QEXg5dfBuitXc+gKLlhAYFzxrGkow/9EVurMGjY= X-Google-Smtp-Source: ABdhPJzNRjRgYVZM2ebupFUL1SqAFM9zF1iVEify9KqJCZ1syK4D1jMK1M6fBvdZ3QasUHTe/nrQLQ== X-Received: by 2002:a17:902:bf4c:b0:15c:3d1b:8a47 with SMTP id u12-20020a170902bf4c00b0015c3d1b8a47mr4955096pls.118.1654174948528; Thu, 02 Jun 2022 06:02:28 -0700 (PDT) Received: from localhost.localdomain ([202.120.234.246]) by smtp.googlemail.com with ESMTPSA id j23-20020a63ec17000000b003fc37053c82sm3240443pgh.12.2022.06.02.06.02.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Jun 2022 06:02:27 -0700 (PDT) From: Miaoqian Lin To: Krzysztof Kozlowski , Sylwester Nawrocki , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org Subject: [PATCH] ASoC: samsung: Fix error handling in aries_audio_probe Date: Thu, 2 Jun 2022 17:02:17 +0400 Message-Id: <20220602130218.14901-1-linmq006@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Cc: linmq006@gmail.com 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" of_get_child_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. This function is missing of_node_put(cpu) in the error path. Fix this by goto out label. of_node_put() will check NULL pointer. Fixes: format:7a3a7671fa6c ("ASoC: samsung: Add driver for Aries boards") Signed-off-by: Miaoqian Lin --- sound/soc/samsung/aries_wm8994.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/sound/soc/samsung/aries_wm8994.c b/sound/soc/samsung/aries_wm8994.c index bb0cf4244e00..edee02d7f100 100644 --- a/sound/soc/samsung/aries_wm8994.c +++ b/sound/soc/samsung/aries_wm8994.c @@ -628,8 +628,10 @@ static int aries_audio_probe(struct platform_device *pdev) return -EINVAL; codec = of_get_child_by_name(dev->of_node, "codec"); - if (!codec) - return -EINVAL; + if (!codec) { + ret = -EINVAL; + goto out; + } for_each_card_prelinks(card, i, dai_link) { dai_link->codecs->of_node = of_parse_phandle(codec,