From: Eric Dumazet edumazet@google.com
[ Upstream commit 2fbdd56251b5c62f96589f39eded277260de7267 ]
tp->delivered needs to be cleared in tcp_disconnect().
tcp_disconnect() is rarely used, but it is worth fixing it.
Fixes: ddf1af6fa00e ("tcp: new delivery accounting") Signed-off-by: Eric Dumazet edumazet@google.com Cc: Yuchung Cheng ycheng@google.com Cc: Neal Cardwell ncardwell@google.com Acked-by: Yuchung Cheng ycheng@google.com Acked-by: Neal Cardwell ncardwell@google.com Acked-by: Soheil Hassas Yeganeh soheil@google.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/ipv4/tcp.c | 1 + 1 file changed, 1 insertion(+)
--- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2298,6 +2298,7 @@ int tcp_disconnect(struct sock *sk, int tp->snd_ssthresh = TCP_INFINITE_SSTHRESH; tp->snd_cwnd_cnt = 0; tp->window_clamp = 0; + tp->delivered = 0; tcp_set_ca_state(sk, TCP_CA_Open); tp->is_sack_reneg = 0; tcp_clear_retrans(tp);