--- linux-2.6.8-rc3/drivers/char/omnibook/ec.c.orig	2004-08-07 15:32:19.000000000 +0200
+++ linux-2.6.8-rc3/drivers/char/omnibook/ec.c	2004-08-07 18:25:18.604913976 +0200
@@ -30,6 +30,7 @@
 #endif
 #endif
 
+#include <linux/errno.h>
 #include <asm/io.h>
 
 #include "ec.h"