mptcp: fix race in release_cb

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If we receive a MPTCP_PUSH_PENDING even from a subflow when
mptcp_release_cb() is serving the previous one, the latter
will be delayed up to the next release_sock(msk).

Address the issue implementing a test/serve loop for such
event.

Additionally rename the push helper to __mptcp_push_pending()
to be more consistent with the existing code.

Fixes: 6e628cd3a8 ("mptcp: use mptcp release_cb for delayed tasks")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Paolo Abeni 2021-03-04 13:32:14 -08:00 • committed by David S. Miller

parent 2948d0a1e5

commit c2e6048fa1

1 changed files with 21 additions and 12 deletions

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net/mptcp/protocol.c

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