From patchwork Wed Oct 8 14:40:04 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 5054001 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 65CD8C11AB for ; Wed, 8 Oct 2014 14:40:55 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9AA62201DD for ; Wed, 8 Oct 2014 14:40:54 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 503CF20166 for ; Wed, 8 Oct 2014 14:40:52 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id A45D4260498; Wed, 8 Oct 2014 16:40:45 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id 3F51026046F; Wed, 8 Oct 2014 16:40:35 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id 67B81260470; Wed, 8 Oct 2014 16:40:33 +0200 (CEST) Received: from mezzanine.sirena.org.uk (mezzanine.sirena.org.uk [106.187.55.193]) by alsa0.perex.cz (Postfix) with ESMTP id 45D56260468 for ; Wed, 8 Oct 2014 16:40:26 +0200 (CEST) Received: from cpc11-sgyl31-2-0-cust672.sgyl.cable.virginm.net ([94.175.94.161] helo=debutante) by mezzanine.sirena.org.uk with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.80) (envelope-from ) id 1XbsPX-0006gF-KA; Wed, 08 Oct 2014 14:40:20 +0000 Received: from broonie by debutante with local (Exim 4.84) (envelope-from ) id 1XbsPM-00082n-Qq; Wed, 08 Oct 2014 15:40:04 +0100 From: Mark Brown To: Liam Girdwood Date: Wed, 8 Oct 2014 15:40:04 +0100 Message-Id: <1412779204-30876-1-git-send-email-broonie@kernel.org> X-Mailer: git-send-email 2.1.1 X-SA-Exim-Connect-IP: 94.175.94.161 X-SA-Exim-Mail-From: broonie@sirena.org.uk X-SA-Exim-Version: 4.2.1 (built Mon, 26 Dec 2011 16:24:06 +0000) X-SA-Exim-Scanned: Yes (on mezzanine.sirena.org.uk) Cc: Takashi Iwai , alsa-devel@alsa-project.org, Mark Brown Subject: [alsa-devel] [PATCH] ASoC: mc13783: Ensure we only try to dereference valid of_nodes X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 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: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP Reported-by: Takashi Iwai Signed-off-by: Mark Brown --- sound/soc/codecs/mc13783.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/sound/soc/codecs/mc13783.c b/sound/soc/codecs/mc13783.c index 388f90a597fa..71f775aad7c7 100644 --- a/sound/soc/codecs/mc13783.c +++ b/sound/soc/codecs/mc13783.c @@ -765,12 +765,18 @@ static int __init mc13783_codec_probe(struct platform_device *pdev) return -ENOSYS; ret = of_property_read_u32(np, "adc-port", &priv->adc_ssi_port); - if (ret) - goto out; + if (ret) { + of_node_put(np); + return ret; + } ret = of_property_read_u32(np, "dac-port", &priv->dac_ssi_port); - if (ret) - goto out; + if (ret) { + of_node_put(np); + return ret; + } + + of_node_put(np); } dev_set_drvdata(&pdev->dev, priv); @@ -783,8 +789,6 @@ static int __init mc13783_codec_probe(struct platform_device *pdev) ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_mc13783, mc13783_dai_async, ARRAY_SIZE(mc13783_dai_async)); -out: - of_node_put(np); return ret; }