Author: adrian
Date: Fri Oct 28 02:10:07 2016
New Revision: 308008
URL: https://svnweb.freebsd.org/changeset/base/308008

Log:
  [net80211] add comments!

Modified:
  head/sys/net80211/ieee80211_scan.c

Modified: head/sys/net80211/ieee80211_scan.c
==============================================================================
--- head/sys/net80211/ieee80211_scan.c  Fri Oct 28 02:09:45 2016        
(r308007)
+++ head/sys/net80211/ieee80211_scan.c  Fri Oct 28 02:10:07 2016        
(r308008)
@@ -443,6 +443,9 @@ ieee80211_cancel_scan(struct ieee80211va
 
 /*
  * Cancel any scan currently going on.
+ *
+ * This is called during normal 802.11 data path to cancel
+ * a scan so a newly arrived normal data packet can be sent.
  */
 void
 ieee80211_cancel_anyscan(struct ieee80211vap *vap)
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