diff --git a/include/net/tcp.h b/include/net/tcp.h
index cda30ea..d2b858d 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1404,6 +1404,8 @@
 extern int tcp_gro_complete(struct sk_buff *skb);
 extern int tcp4_gro_complete(struct sk_buff *skb);
 
+extern void tcp_v4_nuke_addr(__u32 saddr);
+
 #ifdef CONFIG_PROC_FS
 extern int tcp4_proc_init(void);
 extern void tcp4_proc_exit(void);