diff options
| author | avos <avos@FreeBSD.org> | 2016-05-19 22:02:03 +0000 |
|---|---|---|
| committer | avos <avos@FreeBSD.org> | 2016-05-19 22:02:03 +0000 |
| commit | a9bd4b97f0e48a252c17cec4902ea577b08ce35e (patch) | |
| tree | 02b399f0183508b6de0280e43b0d5294440238ac /sys/net80211/ieee80211_ioctl.c | |
| parent | 70ff509d20229b79d2285c7422742fa8f0c65d6e (diff) | |
| download | FreeBSD-src-a9bd4b97f0e48a252c17cec4902ea577b08ce35e.zip FreeBSD-src-a9bd4b97f0e48a252c17cec4902ea577b08ce35e.tar.gz | |
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
Diffstat (limited to 'sys/net80211/ieee80211_ioctl.c')
| -rw-r--r-- | sys/net80211/ieee80211_ioctl.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/net80211/ieee80211_ioctl.c b/sys/net80211/ieee80211_ioctl.c index 3d93278..b65f23a 100644 --- a/sys/net80211/ieee80211_ioctl.c +++ b/sys/net80211/ieee80211_ioctl.c @@ -2486,6 +2486,11 @@ ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) * 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; |
