iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

tcp: clear tp->data_segs{in|out} in tcp_disconnect()

Browse Source 
[ 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>
This commit is contained in:
Eric Dumazet 2020-01-31 10:32:41 -08:00 committed by Greg Kroah-Hartman
parent 4d469d93a8
commit deae87cf19
1 changed files with 2 additions and 0 deletions

2
net/ipv4/tcp.c

@ -2381,6 +2381,8 @@ int tcp_disconnect(struct sock *sk, int flags)
tcp_saved_syn_free(tp);
tp->bytes_acked = 0;
tp->bytes_received = 0;
tp->data_segs_in = 0;
tp->data_segs_out = 0;
/* Clean up fastopen related fields */
tcp_free_fastopen_req(tp);