mac80211: Don't restart sta-timer if not associated.
I found another crash when deleting lots of virtual stations in a congested environment. I think the problem is that the ieee80211_mlme_notify_scan_completed could call ieee80211_restart_sta_timer for a stopped interface that was about to be deleted. With the following patch I am unable to reproduce the crash. Signed-off-by: NBen Greear <greearb@candelatech.com> [move check, also make the same change in mesh] Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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