From: Eric Dumazet edumazet@google.com
[ Upstream commit db7ffee6f3eb3683cdcaeddecc0a630a14546fe3 ]
tp->data_segs_in and tp->data_segs_out need to be cleared in tcp_disconnect().
tcp_disconnect() is rarely used, but it is worth fixing it.
Fixes: a44d6eacdaf5 ("tcp: Add RFC4898 tcpEStatsPerfDataSegsOut/In") Signed-off-by: Eric Dumazet edumazet@google.com Cc: Martin KaFai Lau kafai@fb.com Cc: Yuchung Cheng ycheng@google.com Cc: Neal Cardwell ncardwell@google.com Acked-by: Neal Cardwell ncardwell@google.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/ipv4/tcp.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2316,6 +2316,8 @@ int tcp_disconnect(struct sock *sk, int tcp_saved_syn_free(tp); tp->bytes_acked = 0; tp->bytes_received = 0; + tp->data_segs_in = 0; + tp->data_segs_out = 0;
WARN_ON(inet->inet_num && !icsk->icsk_bind_hash);