Commit db7ffee6 authored Jan 31, 2020 by Eric Dumazet Committed by Jakub Kicinski Jan 31, 2020

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



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: a44d6eac ("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>

parent 2fbdd562

net/ipv4/tcp.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -2643,6 +2643,8 @@ 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;

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