usbaudio: Add missing 'return' on error am: 1d08a56cff

Change-Id: I7e2f090152f39abf80db091ea3b453ba0a6a6196
diff --git a/modules/usbaudio/audio_hal.c b/modules/usbaudio/audio_hal.c
index f0ea015..a19a0ae 100644
--- a/modules/usbaudio/audio_hal.c
+++ b/modules/usbaudio/audio_hal.c
@@ -1142,6 +1142,7 @@
         // adev_close_input_stream() in this case.
         *stream_in = NULL;
         free(in);
+        return ret;
     }
 
     device_lock(in->adev);