ASoC: Free memory in the error paths of soc_of_parse_audio_routing()

Release the memory of the routing table before leaving the function upon errors
in the device tree

Signed-off-by: Matthias Kaehlcke <matthias@kaehlcke.net>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 64b464ca3bc5..f219b2f7ee68 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -4136,6 +4136,7 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
                         dev_err(card->dev,
                                 "Property '%s' index %d could not be read: %d\n",
                                 propname, 2 * i, ret);
+                        kfree(routes);
                         return -EINVAL;
                 }
                 ret = of_property_read_string_index(np, propname,
@@ -4144,6 +4145,7 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
                         dev_err(card->dev,
                                 "Property '%s' index %d could not be read: %d\n",
                                 propname, (2 * i) + 1, ret);
+                        kfree(routes);
                         return -EINVAL;
                 }
         }