diff --git a/include/net/sock.h b/include/net/sock.h
index e3fb4c0..8a7889b 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -496,6 +496,7 @@
 
 struct request_sock_ops;
 struct timewait_sock_ops;
+struct inet_hashinfo;
 
 /* Networking protocol blocks we attach to sockets.
  * socket layer -> transport layer interface
@@ -578,6 +579,8 @@
 	struct request_sock_ops	*rsk_prot;
 	struct timewait_sock_ops *twsk_prot;
 
+	struct inet_hashinfo	*hashinfo;
+
 	struct module		*owner;
 
 	char			name[32];