From patchwork Thu Jun 25 11:03:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Piotr Maziarz X-Patchwork-Id: 11624977 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1E9F460D for ; Thu, 25 Jun 2020 12:06:37 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 45E482076E for ; Thu, 25 Jun 2020 12:06:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="pRMX9dkc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 45E482076E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org 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 5CD161893; Thu, 25 Jun 2020 14:05:47 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 5CD161893 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1593086794; bh=NLmXwO3fl6JiDSplUQObqbKRReUnA2vhb3UubkhmDbk=; h=From:To:Subject:Date:Cc:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=pRMX9dkcZEz8y1UGu9tXWwdm8JSQfgHo5Bssc+ctYkZPcQb1atoKfg933o93KkkCq Ex2MkFmRUjmXc8CSTY/S/REwP0V16SY3sR2OljGHqHckxqStnelpSHiZLqdLd4xuSL 2kD07HS5o57e0GMTU/4mCtOA4yMmvniear8EbtyU= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id CB8B9F80158; Thu, 25 Jun 2020 14:05:45 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa1.perex.cz (Postfix, from userid 50401) id 62EABF80277; Thu, 25 Jun 2020 14:05:44 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on alsa1.perex.cz X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=SPF_HELO_NONE,SPF_NONE, URIBL_BLOCKED autolearn=disabled version=3.4.0 Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id C4B33F80158 for ; Thu, 25 Jun 2020 14:05:37 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz C4B33F80158 IronPort-SDR: MC8iEsh0ZUQdVxBKwZQLtvMorHAqM6m+O21Tr+gDvbR4ysiRsHlumJ0yyS3I9DN7cRY8Ln933O C4xR0TfoLfqA== X-IronPort-AV: E=McAfee;i="6000,8403,9662"; a="206389918" X-IronPort-AV: E=Sophos;i="5.75,279,1589266800"; d="scan'208";a="206389918" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jun 2020 05:05:34 -0700 IronPort-SDR: b2dJ3CrglRbVnPhLMpsJhyqJDAhBnh0VUZ1SA9TK7BhCEf609jGyLpdfaQNiZQHrIv4y2U8xHn yXQC3HrC1vcA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,279,1589266800"; d="scan'208";a="354438926" Received: from test-hp-compaq-8100-elite-cmt-pc.igk.intel.com ([10.237.149.93]) by orsmga001.jf.intel.com with ESMTP; 25 Jun 2020 05:05:33 -0700 From: Piotr Maziarz To: alsa-devel@alsa-project.org Subject: [PATCH alsa-lib 1/8] topology: decode: fix channel map memory allocation Date: Thu, 25 Jun 2020 13:03:39 +0200 Message-Id: <1593083026-7501-1-git-send-email-piotrx.maziarz@linux.intel.com> X-Mailer: git-send-email 2.7.4 Cc: cezary.rojewski@intel.com, amadeuszx.slawinski@intel.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" Without proper memory allocation behaviour was undefined. Signed-off-by: Piotr Maziarz --- src/topology/ctl.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/src/topology/ctl.c b/src/topology/ctl.c index 90241b6..c8c7e94 100644 --- a/src/topology/ctl.c +++ b/src/topology/ctl.c @@ -1330,7 +1330,6 @@ int tplg_decode_control_enum1(snd_tplg_t *tplg, void *bin, size_t size) { struct snd_soc_tplg_enum_control *ec = bin; - struct snd_tplg_channel_map_template cmt; int i; if (size < sizeof(*ec)) { @@ -1375,11 +1374,11 @@ int tplg_decode_control_enum1(snd_tplg_t *tplg, } } - et->map = &cmt; - memset(&cmt, 0, sizeof(cmt)); - cmt.num_channels = ec->num_channels; - for (i = 0; i < cmt.num_channels; i++) { - struct snd_tplg_channel_elem *channel = &cmt.channel[i]; + et->map = tplg_calloc(heap, sizeof(struct snd_tplg_channel_map_template)); + et->map->num_channels = ec->num_channels; + for (i = 0; i < et->map->num_channels; i++) { + struct snd_tplg_channel_elem *channel = &et->map->channel[i]; + tplg_log(tplg, 'D', pos + ((void *)&ec->channel[i] - (void *)ec), "enum: channel size %d", ec->channel[i].size); channel->reg = ec->channel[i].reg;