[TCP]: remove unused argument to cong_avoid op

None of the existing TCP congestion controls use the rtt value pased
in the ca_ops->cong_avoid interface.  Which is lucky because seq_rtt
could have been -1 when handling a duplicate ack.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 3 deletions

diff --git a/net/ipv4/tcp_lp.c b/net/ipv4/tcp_lp.c
index e49836ce012e..80e140e3ec2d 100644
--- a/net/ipv4/tcp_lp.c
+++ b/net/ipv4/tcp_lp.c
@@ -115,13 +115,12 @@ static void tcp_lp_init(struct sock *sk)
  * Will only call newReno CA when away from inference.
  * From TCP-LP's paper, this will be handled in additive increasement.
  */
-static void tcp_lp_cong_avoid(struct sock *sk, u32 ack, u32 rtt, u32 in_flight,
-                              int flag)
+static void tcp_lp_cong_avoid(struct sock *sk, u32 ack, u32 in_flight, int flag)
 {
         struct lp *lp = inet_csk_ca(sk);
 
         if (!(lp->flag & LP_WITHIN_INF))
-                tcp_reno_cong_avoid(sk, ack, rtt, in_flight, flag);
+                tcp_reno_cong_avoid(sk, ack, in_flight, flag);
 }
 
 /**