1 files changed, 7 insertions, 1 deletions

diff --git a/include/net/request_sock.h b/include/net/request_sock.h
index c7190846e128..c9b50ebd9ce9 100644
--- a/include/net/request_sock.h
+++ b/include/net/request_sock.h
@@ -27,13 +27,19 @@ struct sk_buff;
 struct dst_entry;
 struct proto;
 
+/* empty to "strongly type" an otherwise void parameter.
+ */
+struct request_values {
+};
+
 struct request_sock_ops {
         int             family;
         int             obj_size;
         struct kmem_cache       *slab;
         char            *slab_name;
         int             (*rtx_syn_ack)(struct sock *sk,
-                                       struct request_sock *req);
+                                       struct request_sock *req,
+                                       struct request_values *rvp);
         void            (*send_ack)(struct sock *sk, struct sk_buff *skb,
                                     struct request_sock *req);
         void            (*send_reset)(struct sock *sk,