Author: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Status: Submitted at 2.4.21-pre4 time

With 2.4.20, list_del changed (again). Sigh.

This patch is a reworking of Rusty's confirm_fix.patch,
which introduces a new flag instead of relying on list_del
on identifying unconfirmed connections.
