From patchwork Mon Aug 31 09:08:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Piotr Maziarz X-Patchwork-Id: 251225 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2943EC433E2 for ; Mon, 31 Aug 2020 09:11:43 +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 9F556208DB for ; Mon, 31 Aug 2020 09:11:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="u5h2EFVH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9F556208DB 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 E535F17DF; Mon, 31 Aug 2020 11:10:50 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz E535F17DF DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1598865101; bh=aM11ciCeIs5wcpLDnfPDUnJUi6z7A4cBRtOd3Ix61Dw=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=u5h2EFVHfRzE5I1rTus4xIUN4zdagjRFxp72wonb8zZDnPGsDsytMJhAaxKzUUOOD S21wm1GFYCYg/L9x4Y93pJKioEi0kNJXa+ea/h/EkKOFwLKQf9U4MQ98ScGC9gHcwn bvqmtSIJy4qCVPhx/IYGH7YlPFTNbwZDnaKIvy2Q= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id CF363F802C3; Mon, 31 Aug 2020 11:08:27 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id B69A3F80257; Mon, 31 Aug 2020 11:08:21 +0200 (CEST) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) (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 DBFBFF80257 for ; Mon, 31 Aug 2020 11:08:13 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz DBFBFF80257 IronPort-SDR: uriUJvDlBRKD57f6pvMFBs93Jhz7XyuewfWbsmVlrRGmzViGGPgaevS61Wi2jdkTPMiFX7TnzA RQ/68Fgkx6gg== X-IronPort-AV: E=McAfee;i="6000,8403,9729"; a="136466765" X-IronPort-AV: E=Sophos;i="5.76,375,1592895600"; d="scan'208";a="136466765" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Aug 2020 02:08:12 -0700 IronPort-SDR: x48NpKKF30kTAHhKMxBwdlVLSUsggnfXDDGcXqYnsxVKMMLCuuKvNlnDAeThPkKqY0agjSBfTY BHddfYc3B2sQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.76,375,1592895600"; d="scan'208";a="314286896" Received: from test-hp-compaq-8100-elite-cmt-pc.igk.intel.com ([10.237.149.93]) by orsmga002.jf.intel.com with ESMTP; 31 Aug 2020 02:08:11 -0700 From: Piotr Maziarz To: alsa-devel@alsa-project.org Subject: [PATCH v4 06/10] topology: decode: Change declaration of enum decoding function Date: Mon, 31 Aug 2020 11:08:59 +0200 Message-Id: <1598864943-22883-7-git-send-email-piotrx.maziarz@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1598864943-22883-1-git-send-email-piotrx.maziarz@linux.intel.com> References: <1598864943-22883-1-git-send-email-piotrx.maziarz@linux.intel.com> MIME-Version: 1.0 Cc: pierre-louis.bossart@linux.intel.com, cezary.rojewski@intel.com, amadeuszx.slawinski@linux.intel.com, tiwai@suse.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" Size constraints are always checked before invoking tplg_decode_control_enum1. There is no need to validate it twice. Alos moved debug print about size to invoking function, since now it's it responsibility to check size. Signed-off-by: Piotr Maziarz Reviewed-by: Cezary Rojewski Reviewed-by: Amadeusz Sławiński Reviewed-by: Pierre-Louis Bossart --- src/topology/ctl.c | 19 +++++-------------- src/topology/dapm.c | 3 +-- src/topology/tplg_local.h | 2 +- 3 files changed, 7 insertions(+), 17 deletions(-) diff --git a/src/topology/ctl.c b/src/topology/ctl.c index 1f39846..47db400 100644 --- a/src/topology/ctl.c +++ b/src/topology/ctl.c @@ -1335,22 +1335,10 @@ int tplg_decode_control_enum1(snd_tplg_t *tplg, struct list_head *heap, struct snd_tplg_enum_template *et, size_t pos, - void *bin, size_t size) + struct snd_soc_tplg_enum_control *ec) { - struct snd_soc_tplg_enum_control *ec = bin; int i; - if (size < sizeof(*ec)) { - SNDERR("enum: small size %d", size); - return -EINVAL; - } - - tplg_log(tplg, 'D', pos, "enum: size %d private size %d", - ec->size, ec->priv.size); - if (size != ec->size + ec->priv.size) { - SNDERR("enum: unexpected element size %d", size); - return -EINVAL; - } if (ec->num_channels > SND_TPLG_MAX_CHAN || ec->num_channels > SND_SOC_TPLG_MAX_CHAN) { SNDERR("enum: unexpected channel count %d", ec->num_channels); @@ -1427,7 +1415,10 @@ next: return -EINVAL; } - err = tplg_decode_control_enum1(tplg, &heap, &et, pos, bin, size); + tplg_log(tplg, 'D', pos, "enum: size %d private size %d", + ec->size, ec->priv.size); + + err = tplg_decode_control_enum1(tplg, &heap, &et, pos, ec); if (err >= 0) { t.enum_ctl = &et; err = snd_tplg_add_object(tplg, &t); diff --git a/src/topology/dapm.c b/src/topology/dapm.c index cd1a877..73a9390 100644 --- a/src/topology/dapm.c +++ b/src/topology/dapm.c @@ -972,8 +972,7 @@ next: err = -EINVAL; goto retval; } - err = tplg_decode_control_enum1(tplg, &heap, et, pos, - bin, size2); + err = tplg_decode_control_enum1(tplg, &heap, et, pos, ec); break; case SND_SOC_TPLG_TYPE_BYTES: bt = tplg_calloc(&heap, sizeof(*bt)); diff --git a/src/topology/tplg_local.h b/src/topology/tplg_local.h index 5ace0d1..acb01a8 100644 --- a/src/topology/tplg_local.h +++ b/src/topology/tplg_local.h @@ -398,7 +398,7 @@ int tplg_decode_control_enum1(snd_tplg_t *tplg, struct list_head *heap, struct snd_tplg_enum_template *et, size_t pos, - void *bin, size_t size); + struct snd_soc_tplg_enum_control *ec); int tplg_decode_control_enum(snd_tplg_t *tplg, size_t pos, struct snd_soc_tplg_hdr *hdr, void *bin, size_t size);