153     init_waitqueue_head(&slave->sdo_queue);

   153     init_waitqueue_head(&slave->sdo_queue);

   154 

   154 

   155     INIT_LIST_HEAD(&slave->foe_requests);

   155     INIT_LIST_HEAD(&slave->foe_requests);

   156     init_waitqueue_head(&slave->foe_queue);

   156     init_waitqueue_head(&slave->foe_queue);

   157 

   157 

   158     // init state machine datagram

   161     // init state machine datagram

   159     ec_datagram_init(&slave->fsm_datagram);

   162     ec_datagram_init(&slave->fsm_datagram);

   160     snprintf(slave->fsm_datagram.name, EC_DATAGRAM_NAME_SIZE, "slave%u-fsm",slave->ring_position);

   163     snprintf(slave->fsm_datagram.name, EC_DATAGRAM_NAME_SIZE, "slave%u-fsm",slave->ring_position);

   161     ret = ec_datagram_prealloc(&slave->fsm_datagram, EC_MAX_DATA_SIZE);

   164     ret = ec_datagram_prealloc(&slave->fsm_datagram, EC_MAX_DATA_SIZE);

   162     if (ret < 0) {

   165     if (ret < 0) {