diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 3203eaf..8a9fe94 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -233,6 +233,10 @@
 extern int			ipv6_parse_hopopts(struct sk_buff *skb, int);
 
 extern struct ipv6_txoptions *  ipv6_dup_options(struct sock *sk, struct ipv6_txoptions *opt);
+extern struct ipv6_txoptions *	ipv6_renew_options(struct sock *sk, struct ipv6_txoptions *opt,
+						   int newtype,
+						   struct ipv6_opt_hdr __user *newopt,
+						   int newoptlen);
 
 extern int ip6_frag_nqueues;
 extern atomic_t ip6_frag_mem;