Author: avos
Date: Thu May 19 22:02:03 2016
New Revision: 300237
URL: https://svnweb.freebsd.org/changeset/base/300237
Log:
net80211: restore interface state check for IEEE80211_IOC_SCAN_REQ ioctl.
Do not try to start a scan when interface is not running.
How-to-reproduce:
1) ifconfig wlan0 create wlandev urtwn0
2) wlandebug -i wlan0 state
3) ifconfig wlan0 scan
Modified:
head/sys/net80211/ieee80211_ioctl.c
Modified: head/sys/net80211/ieee80211_ioctl.c
==============================================================================
--- head/sys/net80211/ieee80211_ioctl.c Thu May 19 21:47:57 2016
(r300236)
+++ head/sys/net80211/ieee80211_ioctl.c Thu May 19 22:02:03 2016
(r300237)
@@ -2486,6 +2486,11 @@ ieee80211_scanreq(struct ieee80211vap *v
* Otherwise just invoke the scan machinery directly.
*/
IEEE80211_LOCK(ic);
+ if (ic->ic_nrunning == 0) {
+ IEEE80211_UNLOCK(ic);
+ return ENXIO;
+ }
+
if (vap->iv_state == IEEE80211_S_INIT) {
/* NB: clobbers previous settings */
vap->iv_scanreq_flags = sr->sr_flags;
_______________________________________________
svn-src-all@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
