[PATCH 2/5] ASoC: topology: Do not ignore route checks when parsing graphs

[Cezary Rojewski <cezary.rojewski@xxxxxxxxx>]

One of the framework responsibilities is to ensure that the enumerated
DPCMs are valid i.e.: a valid BE is connected to a valid FE DAI. While
the are checks in soc-core.c and soc-pcm.c that verify this, a component
driver may attempt to workaround this by loading an invalid graph
through the topology file.

Be strict and fail topology loading when invalid graph is encountered.

Signed-off-by: Cezary Rojewski <cezary.rojewski@xxxxxxxxx>
---
 sound/soc/soc-topology.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
index d6d368837235..778f539d9ff5 100644
--- a/sound/soc/soc-topology.c
+++ b/sound/soc/soc-topology.c
@@ -1083,8 +1083,9 @@ static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
 			break;
 		}
 
-		/* add route, but keep going if some fail */
-		snd_soc_dapm_add_routes(dapm, route, 1);
+		ret = snd_soc_dapm_add_routes(dapm, route, 1);
+		if (ret && !dapm->card->disable_route_checks)
+			break;
 	}
 
 	return ret;
-- 
2.25.1