tcp: Remove redundant code entering quickack mode

tcp_enter_quickack_mode() already calls tcp_incr_quickack() and sets
icsk->icsk_ack.ato  to TCP_ATO_MIN. This patch removes the duplication.

Signed-off-by: Vijay Subramanian <subramanian.vijay@gmail.com>
Reviewed-by: Flavio Leitner <fbl@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index dc1e0be30b776e1da8da0acdbbece295a0b369f8..3dc94febc9ee24ddc5990ca9b1b693eba2d62075 100644 (file)
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -5734,8 +5734,6 @@ static int tcp_rcv_synsent_state_process(struct sock *sk, struct sk_buff *skb,
                         */
                        inet_csk_schedule_ack(sk);
                        icsk->icsk_ack.lrcvtime = tcp_time_stamp;
-                       icsk->icsk_ack.ato       = TCP_ATO_MIN;
-                       tcp_incr_quickack(sk);
                        tcp_enter_quickack_mode(sk);
                        inet_csk_reset_xmit_timer(sk, ICSK_TIME_DACK,
                                                  TCP_DELACK_MAX, TCP_RTO_MAX);