From patchwork Wed Nov 8 21:33:26 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 10049733 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 844A06032D for ; Thu, 9 Nov 2017 00:12:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 750212A66F for ; Thu, 9 Nov 2017 00:12:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6947D2A6B6; Thu, 9 Nov 2017 00:12:22 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_NONE,T_DKIM_INVALID autolearn=no version=3.3.1 Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 20C372A66F for ; Thu, 9 Nov 2017 00:12:20 +0000 (UTC) Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id 00C092676F6; Thu, 9 Nov 2017 00:53:13 +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 B09B92676A2; Wed, 8 Nov 2017 22:39:08 +0100 (CET) Received: from heliosphere.sirena.org.uk (heliosphere.sirena.org.uk [172.104.155.198]) by alsa0.perex.cz (Postfix) with ESMTP id 66194266EDF for ; Wed, 8 Nov 2017 22:35:02 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sirena.org.uk; s=20170815-heliosphere; h=Date:Message-Id:In-Reply-To: Subject:Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:References: List-Id:List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner: List-Archive; bh=1gdWxhsDqkr3MFlH1Qqhbf8hUQV3x6EESP6oY4I3kDI=; b=OY3GYd2jf7Yr LdoZjWjcKLGbmxk2YrWagLnq1UuUP9mB6O9oN8gCMFuRC4oS8ZNZJRx/rDIiYMvIi3wErfbMAVFdR mBMQtjeSDrRNm3o8s9I+miky86qpxdlyhzO3w2pt1HcWDmfMneDDIK3ze2bEe/EbzgIvHZwTU9Gla C77vs=; Received: from debutante.sirena.org.uk ([2001:470:1f1d:6b5::3] helo=debutante) by heliosphere.sirena.org.uk with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1eCXyR-0003ha-5R; Wed, 08 Nov 2017 21:33:27 +0000 Received: from broonie by debutante with local (Exim 4.89) (envelope-from ) id 1eCXyQ-0005ZC-9i; Wed, 08 Nov 2017 21:33:26 +0000 From: Mark Brown To: Pankaj Bharadiya In-Reply-To: <20171107104626.25800-4-guneshwor.o.singh@intel.com> Message-Id: Date: Wed, 08 Nov 2017 21:33:26 +0000 Cc: alsa-devel@alsa-project.org, Takashi Iwai , Guneshwor Singh , Liam Girdwood , Patches Audio , Mark Brown , Vinod Koul Subject: [alsa-devel] Applied "ASoC: Intel: Skylake: Fix potential NULL pointer dereference" to the asoc tree 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 The patch ASoC: Intel: Skylake: Fix potential NULL pointer dereference has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted. You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed. If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced. Please add any relevant lists and maintainers to the CCs when replying to this mail. Thanks, Mark From 0265ddd7b713bd8b68a9ec451761bcb87bbac4b3 Mon Sep 17 00:00:00 2001 From: Pankaj Bharadiya Date: Tue, 7 Nov 2017 16:16:18 +0530 Subject: [PATCH] ASoC: Intel: Skylake: Fix potential NULL pointer dereference Pointer 'mconfig' returned from call to skl_tplg_fe_get_cpr_module() can be NULL. So check for the valid pointer before dereferencing. Signed-off-by: Pankaj Bharadiya Signed-off-by: Guneshwor Singh Acked-By: Vinod Koul Signed-off-by: Mark Brown --- sound/soc/intel/skylake/skl-pcm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c index 2b1e513b1680..a3cb204e9640 100644 --- a/sound/soc/intel/skylake/skl-pcm.c +++ b/sound/soc/intel/skylake/skl-pcm.c @@ -355,7 +355,8 @@ static void skl_pcm_close(struct snd_pcm_substream *substream, } mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream); - skl_tplg_d0i3_put(skl, mconfig->d0i3_caps); + if (mconfig) + skl_tplg_d0i3_put(skl, mconfig->d0i3_caps); kfree(dma_params); }