diff --git a/include/linux/if_tunnel.h b/include/linux/if_tunnel.h
index f1fbe9c..d4efe40 100644
--- a/include/linux/if_tunnel.h
+++ b/include/linux/if_tunnel.h
@@ -41,7 +41,7 @@
 	__u16			__reserved;
 	__u32			datalen;
 	__u32			__reserved2;
-	void __user		*data;
+	/* data follows */
 };
 
 /* PRL flags */