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

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[ 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: a44d6eacda ("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
commit 31fceaf085
1 changed files with 2 additions and 0 deletions
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2
net/ipv4/tcp.c
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@ -2639,6 +2639,8 @@ int tcp_disconnect(struct sock *sk, int flags)
tp->bytes_acked = 0;
tp->bytes_received = 0;
tp->bytes_retrans = 0;
tp->data_segs_in = 0;
tp->data_segs_out = 0;
tp->duplicate_sack[0].start_seq = 0;
tp->duplicate_sack[0].end_seq = 0;
tp->dsack_dups = 0;