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tcp: move rx_opt & syn_data_acked init to tcp_disconnect()

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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>
This commit is contained in:
Eric Dumazet
2019-01-17 11:23:42 -08:00
committed by David S. Miller
parent 792c4354a5
commit 6bcdc40ddd
2 changed files with 4 additions and 6 deletions
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4
net/ipv4/tcp.c
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@@ -2617,6 +2617,10 @@ int tcp_disconnect(struct sock *sk, int flags)
tp->rack.last_delivered = 0;
tp->rack.reo_wnd_persist = 0;
tp->rack.dsack_seen = 0;
tp->syn_data_acked = 0;
tp->rx_opt.saw_tstamp = 0;
tp->rx_opt.dsack = 0;
tp->rx_opt.num_sacks = 0;
/* Clean up fastopen related fields */