--- a/master/sdo_request.c	Mon Oct 25 16:33:41 2010 +0200
+++ b/master/sdo_request.c	Mon Oct 25 16:45:33 2010 +0200
@@ -35,6 +35,7 @@
 
 #include <linux/module.h>
 #include <linux/jiffies.h>
+#include <linux/slab.h>
 
 #include "sdo_request.h"