diff -r 30f065ea5271 -r e51cf2af3ff9 master/module.c
--- a/master/module.c	Wed Dec 09 14:40:35 2009 +0100
+++ b/master/module.c	Mon Dec 14 13:11:36 2009 +0100
@@ -101,7 +101,7 @@
 
     EC_INFO("Master driver %s\n", EC_MASTER_VERSION);
 
-    init_MUTEX(&master_sem);
+    sema_init(&master_sem, 1);
 
     if (master_count) {
         if (alloc_chrdev_region(&device_number, 0, master_count, "EtherCAT")) {