diff -r 4d8c9a441ef6 -r b544025bd696 master/datagram.c
--- a/master/datagram.c	Thu May 12 16:38:48 2011 +0200
+++ b/master/datagram.c	Thu May 12 16:45:02 2011 +0200
@@ -87,13 +87,17 @@
  */
 void ec_datagram_init(ec_datagram_t *datagram /**< EtherCAT datagram. */)
 {
+    INIT_LIST_HEAD(&datagram->list); // mark as unqueued
     INIT_LIST_HEAD(&datagram->queue); // mark as unqueued
+    INIT_LIST_HEAD(&datagram->fsm_queue); // mark as unqueued
+    INIT_LIST_HEAD(&datagram->sent); // mark as unqueued
     datagram->type = EC_DATAGRAM_NONE;
     memset(datagram->address, 0x00, EC_ADDR_LEN);
     datagram->data = NULL;
     datagram->data_origin = EC_ORIG_INTERNAL;
     datagram->mem_size = 0;
     datagram->data_size = 0;
+    datagram->domain = NULL;
     datagram->index = 0x00;
     datagram->working_counter = 0x0000;
     datagram->state = EC_DATAGRAM_INIT;
@@ -130,6 +134,9 @@
  */
 void ec_datagram_unqueue(ec_datagram_t *datagram /**< EtherCAT datagram. */)
 {
+    if (!list_empty(&datagram->fsm_queue)) {
+        list_del_init(&datagram->fsm_queue);
+    }
     if (!list_empty(&datagram->queue)) {
         list_del_init(&datagram->queue);
     }