1 files changed, 1 insertions, 1 deletions

diff --git a/include/net/tcp.h b/include/net/tcp.h
index 572a77bb6907..7fd6b77519c3 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -341,7 +341,7 @@ extern struct sock *		tcp_check_req(struct sock *sk,struct sk_buff *skb,
 extern int                      tcp_child_process(struct sock *parent,
                                                   struct sock *child,
                                                   struct sk_buff *skb);
-extern int                      tcp_use_frto(const struct sock *sk);
+extern int                      tcp_use_frto(struct sock *sk);
 extern void                     tcp_enter_frto(struct sock *sk);
 extern void                     tcp_enter_loss(struct sock *sk, int how);
 extern void                     tcp_clear_retrans(struct tcp_sock *tp);