diff -r c7e1f2616a9d -r f8b779c9794e master/device.c
--- a/master/device.c	Mon May 13 20:21:19 2013 +0200
+++ b/master/device.c	Tue May 21 13:18:24 2013 +0200
@@ -663,7 +663,7 @@
     ec_device_debug_ring_append(device, RX, ec_data, ec_size);
 #endif
 
-    ec_master_receive_datagrams(device->master, ec_data, ec_size);
+    ec_master_receive_datagrams(device->master, device, ec_data, ec_size);
 }
 
 /*****************************************************************************/