diff -r 53bf35f7b6ea -r 326d47aa986c master/module.c
--- a/master/module.c	Tue Jul 28 15:42:43 2009 +0000
+++ b/master/module.c	Thu Nov 19 14:39:10 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")) {