--- uae/src/sd-file/sound.h	2018/04/24 16:40:30	1.1.1.1
+++ uae/src/sd-file/sound.h	2018/04/24 17:17:20	1.1.1.3
@@ -1,8 +1,8 @@
- /* 
+ /*
   * UAE - The Un*x Amiga Emulator
-  * 
+  *
   * Support for Linux/USS sound
-  * 
+  *
   * Copyright 1997 Bernd Schmidt
   */
 
@@ -19,7 +19,9 @@ static __inline__ void check_sound_buffe
 	write (sound_fd, sndbuffer, sndbufsize);
 	sndbufpt = sndbuffer;
 	sndbuf_written += sndbufsize;
+	return 1;
     }
+    return 0;
 }
 
 #define PUT_SOUND_BYTE(b) do { *(uae_u8 *)sndbufpt = b; sndbufpt = (uae_u16 *)(((uae_u8 *)sndbufpt) + 1); } while (0)