tcp: remove 1ms offset in srtt computation

[~andy/linux] / net / ipv4 / tcp_output.c

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 03d26b85eab8520c552040f527d37323be91bd68..10435b3b9d0f9b0ee2f3b9186329deecd6ea80e4 100644 (file)
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1977,7 +1977,7 @@ bool tcp_schedule_loss_probe(struct sock *sk)
        /* Schedule a loss probe in 2*RTT for SACK capable connections
         * in Open state, that are either limited by cwnd or application.
         */
-       if (sysctl_tcp_early_retrans < 3 || !rtt || !tp->packets_out ||
+       if (sysctl_tcp_early_retrans < 3 || !tp->srtt || !tp->packets_out ||
            !tcp_is_sack(tp) || inet_csk(sk)->icsk_ca_state != TCP_CA_Open)
                return false;