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Date:   Wed, 23 Sep 2020 17:31:26 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH net-next v3] mptcp: Wake up MPTCP worker when DATA_FIN
 found on a TCP FIN packet

From: Matthieu Baerts <>
Date: Mon, 21 Sep 2020 16:57:58 +0200

> From: Mat Martineau <>
> When receiving a DATA_FIN MPTCP option on a TCP FIN packet, the DATA_FIN
> information would be stored but the MPTCP worker did not get
> scheduled. In turn, the MPTCP socket state would remain in
> TCP_ESTABLISHED and no blocked operations would be awakened.
> TCP FIN packets are seen by the MPTCP socket when moving skbs out of the
> subflow receive queues, so schedule the MPTCP worker when a skb with
> DATA_FIN but no data payload is moved from a subflow queue. Other cases
> (DATA_FIN on a bare TCP ACK or on a packet with data payload) are
> already handled.
> Closes:
> Fixes: 43b54c6ee382 ("mptcp: Use full MPTCP-level disconnect state machine")
> Acked-by: Paolo Abeni <>
> Signed-off-by: Mat Martineau <>
> Signed-off-by: Matthieu Baerts <>

Applied to 'net', thanks.

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