diff --git a/include/net/request_sock.h b/include/net/request_sock.h
index 6a91261..8603c35 100644
--- a/include/net/request_sock.h
+++ b/include/net/request_sock.h
@@ -39,8 +39,7 @@
 	void		(*send_reset)(struct sock *sk,
 				      struct sk_buff *skb);
 	void		(*destructor)(struct request_sock *req);
-	void		(*syn_ack_timeout)(struct sock *sk,
-					   struct request_sock *req);
+	void		(*syn_ack_timeout)(const struct request_sock *req);
 };
 
 int inet_rtx_syn_ack(struct sock *parent, struct request_sock *req);