Index: dahdi-linux-2.10.0.1/drivers/dahdi/oct612x/oct612x-user.c
===================================================================
--- dahdi-linux-2.10.0.1.orig/drivers/dahdi/oct612x/oct612x-user.c
+++ dahdi-linux-2.10.0.1/drivers/dahdi/oct612x/oct612x-user.c
@@ -22,6 +22,7 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/slab.h>
 
 #include <dahdi/kernel.h>