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From: Adrian Chadd <adrian@FreeBSD.org>
Date: Fri, 28 Oct 2016 02:10:07 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r308008 - head/sys/net80211
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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)