K 10 svn:author V 4 avos K 8 svn:date V 27 2017-07-30T18:38:05.077863Z K 7 svn:log V 212 MFC r321401: net80211: do not allow to unload rate control module if it is still in use. Keep 'nrefs' counter up-to-date, so 'kldunload wlan_amrr' with 1+ active wlan(4) interface will not lead to kernel panic. END