Fix build warnings

[platform/adaptation/spreadtrum/audio-hal-sc7727.git] / hal-backend-audio.c

diff --git a/hal-backend-audio.c b/hal-backend-audio.c
index e3e05f9..60239b9 100644 (file)
--- a/hal-backend-audio.c
+++ b/hal-backend-audio.c
@@ -41,12 +41,14 @@ static int audio_sc7727_init(void **data)
     return 0;
 }
 
-static void audio_sc7727_exit(void *data)
+static int audio_sc7727_exit(void *data)
 {
     if (!data)
-        return;
+        return -EINVAL;
 
     free(data);
+
+    return 0;
 }
 
 hal_backend hal_backend_audio_data = {