--- a/master/fsm_master.h	Mon Feb 12 14:42:36 2007 +0000
+++ b/master/fsm_master.h	Tue Feb 13 10:51:40 2007 +0000
@@ -65,6 +65,7 @@
 
     void (*state)(ec_fsm_master_t *); /**< master state function */
     unsigned int slaves_responding; /**< number of responding slaves */
+    unsigned int topology_change_pending; /**< bus topology changed */
     ec_slave_state_t slave_states; /**< states of responding slaves */
     unsigned int validate; /**< non-zero, if validation to do */
     ec_slave_t *slave; /**< current slave */