release/5.2.43/ASoC-topology-Check-return-value-of-pcm_new_ver.patch

From 248615850d4cf652d986ef563e647ff349600ac3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Amadeusz=20S=C5=82awi=C5=84ski?=
 <amadeuszx.slawinski@linux.intel.com>
Date: Fri, 27 Mar 2020 16:47:28 -0400
Subject: [PATCH] ASoC: topology: Check return value of pcm_new_ver
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commit b3677fc3d68dd942c92de52f0bd9dd8b472a40e6 upstream.

Function pcm_new_ver can fail, so we should check it's return value and
handle possible error.

Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200327204729.397-6-amadeuszx.slawinski@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
index b49163c71b88..08226850d621 100644
--- a/sound/soc/soc-topology.c
+++ b/sound/soc/soc-topology.c
@@ -2084,7 +2084,9 @@ static int soc_tplg_pcm_elems_load(struct soc_tplg *tplg,
 			_pcm = pcm;
 		} else {
 			abi_match = false;
-			pcm_new_ver(tplg, pcm, &_pcm);
+			ret = pcm_new_ver(tplg, pcm, &_pcm);
+			if (ret < 0)
+				return ret;
 		}
 
 		/* create the FE DAIs and DAI links */
-- 
2.7.4