--- a/etherlab/plc_etherlab.c	Sun Jan 08 19:05:05 2012 +0100
+++ b/etherlab/plc_etherlab.c	Tue Jan 10 15:10:08 2012 +0100
@@ -100,6 +100,8 @@
 	if (rt_fd >= 0) {
 		rt_dev_close(rt_fd);
 	}
+	//release master
+	ecrt_release_master(master);
 }
 
 void __retrieve_%(location)s(void)