mptcp: deliver ssk errors to msk

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Currently all errors received on msk subflows are ignored.
We need to catch at least the errors on connect() and
on fallback sockets.

Use a custom sk_error_report callback at subflow level,
and do the real action under the msk socket lock - via
the usual sock_owned_by_user()/release_callback() schema.

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 2021-02-11 15:30:37 -08:00 • committed by David S. Miller

parent 4c0d2e96ba

commit 15cc104533

3 changed files with 54 additions and 0 deletions

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7

net/mptcp/protocol.c

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4

net/mptcp/protocol.h

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43

net/mptcp/subflow.c

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