diff -r b3beaa00640f -r c0405659a74a drivers/ec_module.c
--- a/drivers/ec_module.c	Fri Jan 13 13:44:22 2006 +0000
+++ b/drivers/ec_module.c	Fri Jan 13 15:39:38 2006 +0000
@@ -24,6 +24,9 @@
 
 #include "ec_module.h"
 
+int __init ecat_init_module(void);
+void __exit ecat_cleanup_module(void);
+
 /*****************************************************************************/
 
 #define LIT(X) #X
@@ -229,6 +232,11 @@
     return NULL;
   }
 
+  if (EtherCAT_scan_for_slaves(&ecat_masters[index]) != 0) {
+      printk(KERN_ERR "EtherCAT: Could not scan for slaves!\n");
+      return NULL;
+  }
+
   ecat_masters_reserved[index] = 1;
 
   printk(KERN_INFO "EtherCAT: Reserved master %i.\n", index);