1 files changed, 1 insertions, 1 deletions

diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index bda78a286e2b..90b3e7f5df5f 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -216,7 +216,7 @@ static inline void nf_ct_refresh(struct nf_conn *ct,
 
 /* These are for NAT.  Icky. */
 /* Update TCP window tracking data when NAT mangles the packet */
-extern void nf_conntrack_tcp_update(struct sk_buff *skb,
+extern void nf_conntrack_tcp_update(const struct sk_buff *skb,
                                     unsigned int dataoff,
                                     struct nf_conn *ct,
                                     int dir);