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mac80211: Why probe after each scan?

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I found a small bit of behavior related in some vague way to
connection monitoring:  During the scan-completed notification
(ieee80211_mlme_notify_scan_completed) we call
ieee80211_restart_sta_timer() on all our interfaces, which in turn
queues up the &ifmgd->monitor_work, which does a probe request of our
AP.  Why should we do a probe request of your associated AP every time
a scan completes?  Wouldn't the other active monitoring schemes (like
beacon loss) be sufficient for a "scan finished" condition?

--
Paul
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