Commit 067a0b3d authored Jul 28, 2020 by Mat Martineau Committed by David S. Miller Jul 28, 2020

mptcp: Only use subflow EOF signaling on fallback connections



The MPTCP state machine handles disconnections on non-fallback connections,
but the mptcp_sock still needs to get notified when fallback subflows
disconnect.

Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 43b54c6e

net/mptcp/subflow.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1159,7 +1159,8 @@ static void subflow_state_change(struct sock *sk)
		if (mptcp_subflow_data_available(sk))
		mptcp_data_ready(parent, sk);

		if (!(parent->sk_shutdown & RCV_SHUTDOWN) &&
		if (__mptcp_check_fallback(mptcp_sk(parent)) &&
		!(parent->sk_shutdown & RCV_SHUTDOWN) &&
		!subflow->rx_eof && subflow_is_done(sk)) {
		subflow->rx_eof = 1;
		mptcp_subflow_eof(parent);