diff -r 7e9deec7742d -r 73896ef6d077 master/cdev.c
--- a/master/cdev.c	Sun Jun 06 21:32:50 2010 +0200
+++ b/master/cdev.c	Sun Jun 06 22:40:22 2010 +0200
@@ -2463,7 +2463,7 @@
 
     up(&master->master_sem); // FIXME
 
-    ret = ecrt_slave_config_idn(sc, ioctl.idn, data, ioctl.size);
+    ret = ecrt_slave_config_idn(sc, ioctl.idn, ioctl.state, data, ioctl.size);
     kfree(data);
     return ret;
 }