Paolo Abeni d51991e2e3 mptcp: fix shutdown vs fallback race
If the MPTCP socket shutdown happens before a fallback
to TCP, and all the pending data have been already spooled,
we never close the TCP connection.

Address the issue explicitly checking for critical condition
at fallback time.

Fixes: 1e39e5a32ad7 ("mptcp: infinite mapping sending")
Fixes: 0348c690ed37 ("mptcp: add the fallback check")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-06-28 20:45:42 -07:00
..
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