ASoC: core: fix invalid free of devm_ allocated data

The objects allocated by devm_* APIs are managed by devres and are freed when
the device is detached. Hence there is no need to use kfree() explicitly.

Signed-off-by: Silviu-Mihai Popescu <silviupopescu1990@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 93341de..507d251 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -4199,7 +4199,6 @@
 			dev_err(card->dev,
 				"ASoC: 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,
@@ -4208,7 +4207,6 @@
 			dev_err(card->dev,
 				"ASoC: Property '%s' index %d could not be read: %d\n",
 				propname, (2 * i) + 1, ret);
-			kfree(routes);
 			return -EINVAL;
 		}
 	}