[PATCH 0/5] mac80211: fix station cleanup/destruction

Turns out that not only was flush_workqueue() slow as reported
by Ben, it was also broken because this is way too late to
finish the station destruction in AP mode.

Fixing this with keeping the roaming semantics (no RCU barrier
or synchronize in there) is a bit tricky so the first patch just
fixes the problem, and the last patch puts back the optimisation.

The patches inbetween are just padding ;-)

johannes