From patchwork Sun Dec 20 11:15:53 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julia Lawall X-Patchwork-Id: 7891831 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 [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 2D6F4BEEE5 for ; Sun, 20 Dec 2015 11:29:26 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 564BD2047B for ; Sun, 20 Dec 2015 11:29:25 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 07633204D2 for ; Sun, 20 Dec 2015 11:29:24 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 3F0D32612AC; Sun, 20 Dec 2015 12:29:23 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,NO_DNS_FOR_FROM, RCVD_IN_DNSWL_LOW, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id 6BB6B2606CD; Sun, 20 Dec 2015 12:28:44 +0100 (CET) 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 BFAAD2606F4; Sun, 20 Dec 2015 12:28:42 +0100 (CET) Received: from mail2-relais-roc.national.inria.fr (mail2-relais-roc.national.inria.fr [192.134.164.83]) by alsa0.perex.cz (Postfix) with ESMTP id E9E442606CF for ; Sun, 20 Dec 2015 12:28:32 +0100 (CET) X-IronPort-AV: E=Sophos;i="5.20,454,1444687200"; d="scan'208";a="193180810" Received: from palace.lip6.fr (HELO localhost.localdomain) ([132.227.105.202]) by mail2-relais-roc.national.inria.fr with ESMTP/TLS/AES128-SHA256; 20 Dec 2015 12:28:18 +0100 From: Julia Lawall To: Liam Girdwood Date: Sun, 20 Dec 2015 12:15:53 +0100 Message-Id: <1450610153-7746-5-git-send-email-Julia.Lawall@lip6.fr> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1450610153-7746-1-git-send-email-Julia.Lawall@lip6.fr> References: <1450610153-7746-1-git-send-email-Julia.Lawall@lip6.fr> Cc: alsa-devel@alsa-project.org, kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, Takashi Iwai , Mark Brown Subject: [alsa-devel] [PATCH 4/4] ASoC: Intel: add NULL test 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 Add NULL test on call to devm_kzalloc. The semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // @@ expression x; identifier fld; @@ * x = devm_kzalloc(...); ... when != x == NULL x->fld // Signed-off-by: Julia Lawall --- sound/soc/intel/baytrail/sst-baytrail-pcm.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/soc/intel/baytrail/sst-baytrail-pcm.c b/sound/soc/intel/baytrail/sst-baytrail-pcm.c index 79547be..4765ad4 100644 --- a/sound/soc/intel/baytrail/sst-baytrail-pcm.c +++ b/sound/soc/intel/baytrail/sst-baytrail-pcm.c @@ -377,6 +377,8 @@ static int sst_byt_pcm_probe(struct snd_soc_platform *platform) priv_data = devm_kzalloc(platform->dev, sizeof(*priv_data), GFP_KERNEL); + if (!priv_data) + return -ENOMEM; priv_data->byt = plat_data->dsp; snd_soc_platform_set_drvdata(platform, priv_data);