nf_ct_expect_related.  You will have to call put afterwards. */
 struct nf_conntrack_expect *nf_ct_expect_alloc(struct nf_conn *me);
 void nf_ct_expect_init(struct nf_conntrack_expect *, int,
-                      union nf_inet_addr *,
-                      union nf_inet_addr *,
-                      u_int8_t, __be16 *, __be16 *);
+                      const union nf_inet_addr *,
+                      const union nf_inet_addr *,
+                      u_int8_t, const __be16 *, const __be16 *);
 void nf_ct_expect_put(struct nf_conntrack_expect *exp);
 int nf_ct_expect_related(struct nf_conntrack_expect *expect);
 
 
 EXPORT_SYMBOL_GPL(nf_ct_expect_alloc);
 
 void nf_ct_expect_init(struct nf_conntrack_expect *exp, int family,
-                      union nf_inet_addr *saddr,
-                      union nf_inet_addr *daddr,
-                      u_int8_t proto, __be16 *src, __be16 *dst)
+                      const union nf_inet_addr *saddr,
+                      const union nf_inet_addr *daddr,
+                      u_int8_t proto, const __be16 *src, const __be16 *dst)
 {
        int len;