tcp: move retrans_out, sacked_out, tlp_high_seq, last_oow_ack_time init to tcp_disconnect()

If we make sure all listeners have these fields cleared, then a clone
will also inherit zero values.

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

1 files changed, 4 insertions, 0 deletions

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 3f99ad92eaed..551ad8604bea 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2605,6 +2605,10 @@ int tcp_disconnect(struct sock *sk, int flags)
 	tp->duplicate_sack[0].end_seq = 0;
 	tp->dsack_dups = 0;
 	tp->reord_seen = 0;
+	tp->retrans_out = 0;
+	tp->sacked_out = 0;
+	tp->tlp_high_seq = 0;
+	tp->last_oow_ack_time = 0;
 
 	/* Clean up fastopen related fields */
 	tcp_free_fastopen_req(tp);