[PATCH AUTOSEL 5.4 05/57] ASoC: topology: Check soc_tplg_add_route return value

Sasha Levin
2020-04-30T13:52:52Z

From: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>

[ Upstream commit 6856e887eae3efc0fe56899cb3f969fe063171c5 ]

Function soc_tplg_add_route can propagate error code from callback, we
should check its return value and handle fail in correct way.

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/20200327204729.397-5-amadeuszx.slawinski@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
sound/soc/soc-topology.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
index efe6ad3bfcd9b..e0b40d4d8784c 100644
--- a/sound/soc/soc-topology.c
+++ b/sound/soc/soc-topology.c
@@ -1283,7 +1283,9 @@ static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
routes[i]->dobj.index = tplg->index;
list_add(&routes[i]->dobj.list, &tplg->comp->dobj_list);

- soc_tplg_add_route(tplg, routes[i]);
+ ret = soc_tplg_add_route(tplg, routes[i]);
+ if (ret < 0)
+ break;

/* add route, but keep going if some fail */
snd_soc_dapm_add_routes(dapm, routes[i], 1);
--
2.20.1