From patchwork Wed Nov 9 14:58:52 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 104603 Delivered-To: patch@linaro.org Received: by 10.140.97.165 with SMTP id m34csp275199qge; Wed, 9 Nov 2016 08:10:57 -0800 (PST) X-Received: by 10.194.205.228 with SMTP id lj4mr275784wjc.123.1478707857116; Wed, 09 Nov 2016 08:10:57 -0800 (PST) Return-Path: Received: from alsa0.perex.cz (alsa0.perex.cz. [77.48.224.243]) by mx.google.com with ESMTP id v10si23026384wmv.51.2016.11.09.08.10.56; Wed, 09 Nov 2016 08:10:57 -0800 (PST) Received-SPF: pass (google.com: domain of alsa-devel-bounces@alsa-project.org designates 77.48.224.243 as permitted sender) client-ip=77.48.224.243; Authentication-Results: mx.google.com; spf=pass (google.com: domain of alsa-devel-bounces@alsa-project.org designates 77.48.224.243 as permitted sender) smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id EBF9F2670F3; Wed, 9 Nov 2016 17:10:55 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on mail1.perex.cz X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS autolearn=disabled version=3.4.0 Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id C5FAA2670BE; Wed, 9 Nov 2016 17:08:30 +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 D43902670A5; Wed, 9 Nov 2016 15:59:13 +0100 (CET) Received: from mezzanine.sirena.org.uk (mezzanine.sirena.org.uk [106.187.55.193]) by alsa0.perex.cz (Postfix) with ESMTP id AFDC5266B53 for ; Wed, 9 Nov 2016 15:59:11 +0100 (CET) Received: from [176.12.107.140] (helo=finisterre) by mezzanine.sirena.org.uk with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1c4UL7-0001H9-EJ; Wed, 09 Nov 2016 14:59:03 +0000 Received: from broonie by finisterre with local (Exim 4.87) (envelope-from ) id 1c4UKy-0002Zn-Bo; Wed, 09 Nov 2016 14:58:52 +0000 From: Mark Brown To: Mengdong Lin In-Reply-To: <1478306534-23587-1-git-send-email-mengdong.lin@linux.intel.com> Message-Id: Date: Wed, 09 Nov 2016 14:58:52 +0000 X-SA-Exim-Connect-IP: 176.12.107.140 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: No (on mezzanine.sirena.org.uk); Unknown failure Cc: alsa-devel@alsa-project.org, tiwai@suse.de, hardik.t.shah@intel.com, guneshwor.o.singh@intel.com, liam.r.girdwood@linux.intel.com, vinod.koul@intel.com, broonie@kernel.org, rakesh.a.ughreja@intel.com, mengdong.lin@intel.com Subject: [alsa-devel] Applied "ASoC: topology: Check name strings of physical DAI links" 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 The patch ASoC: topology: Check name strings of physical DAI links has been applied to the asoc tree at git://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 dbab1cb88e84813254091d0d02ab83d9929e6a27 Mon Sep 17 00:00:00 2001 From: Mengdong Lin Date: Sat, 5 Nov 2016 08:42:14 +0800 Subject: [PATCH] ASoC: topology: Check name strings of physical DAI links Check if the name strings are properly terminated, and only use valid name strings to find existing physical DAI links to configure. Signed-off-by: Mengdong Lin Signed-off-by: Mark Brown --- sound/soc/soc-topology.c | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) -- 2.10.2 _______________________________________________ Alsa-devel mailing list Alsa-devel@alsa-project.org http://mailman.alsa-project.org/mailman/listinfo/alsa-devel diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c index 8772fd994e82..4dfdc656cce6 100644 --- a/sound/soc/soc-topology.c +++ b/sound/soc/soc-topology.c @@ -1994,10 +1994,24 @@ static int soc_tplg_link_config(struct soc_tplg *tplg, { struct snd_soc_dai_link *link; const char *name, *stream_name; + size_t len; int ret; - name = strlen(cfg->name) ? cfg->name : NULL; - stream_name = strlen(cfg->stream_name) ? cfg->stream_name : NULL; + len = strnlen(cfg->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN); + if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN) + return -EINVAL; + else if (len) + name = cfg->name; + else + name = NULL; + + len = strnlen(cfg->stream_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN); + if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN) + return -EINVAL; + else if (len) + stream_name = cfg->stream_name; + else + stream_name = NULL; link = snd_soc_find_dai_link(tplg->comp->card, cfg->id, name, stream_name);