tcp: do not clear srtt_us in tcp_create_openreq_child

All listeners have this field cleared already, since tcp_disconnect()
clears it and newly created sockets have also a zero value here.

So a clone will inherit a zero value here.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 830e4eb558f8861fb3813c35b215425a53cacf62..977ad1c0cccad564fa111556ad0a0f3af4534381 100644 (file)
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -479,7 +479,6 @@ struct sock *tcp_create_openreq_child(const struct sock *sk,
 
        tcp_init_wl(newtp, treq->rcv_isn);
 
-       newtp->srtt_us = 0;
        newtp->mdev_us = jiffies_to_usecs(TCP_TIMEOUT_INIT);
        minmax_reset(&newtp->rtt_min, tcp_jiffies32, ~0U);
        newicsk->icsk_ack.lrcvtime = tcp_jiffies32;