aout: use container_of to get the owner

4 years ago · a9ab2bdcdf
1 changed files with 7 additions and 1 deletions
--- a/src/audio_output/aout_internal.h
+++ b/src/audio_output/aout_internal.h
@ -114,9 +114,15 @@ typedef struct
    aout_owner_t   owner;
 } aout_instance_t;

+static inline aout_instance_t *aout_instance (audio_output_t *aout)
+{
+    return container_of(aout, aout_instance_t, output);
+}
+
 static inline aout_owner_t *aout_owner (audio_output_t *aout)
 {
-    return &((aout_instance_t *)aout)->owner;
+    aout_instance_t *instance = aout_instance(aout);
+    return &instance->owner;
 }

 /****************************************************************************