diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h
index 973ab1d..90a996d 100644
--- a/include/linux/lockd/lockd.h
+++ b/include/linux/lockd/lockd.h
@@ -215,10 +215,11 @@
 /*
  * Host cache
  */
-struct nlm_host  *nlmclnt_lookup_host(const struct sockaddr_in *sin,
-					int proto, u32 version,
-					const char *hostname,
-					unsigned int hostname_len);
+struct nlm_host  *nlmclnt_lookup_host(const struct sockaddr *sap,
+					const size_t salen,
+					const unsigned short protocol,
+					const u32 version,
+					const char *hostname);
 struct nlm_host  *nlmsvc_lookup_host(struct svc_rqst *, const char *,
 					unsigned int);
 struct rpc_clnt * nlm_bind_host(struct nlm_host *);