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Commit 4f03c1ed authored by Michal Kazior's avatar Michal Kazior Committed by Johannes Berg
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cfg80211: refuse to .set_monitor_channel when non-monitors are present 



Having .set_monitor_channel work with non-monitor
interfaces running would make interface
combinations accounting ambiguous.

Signed-off-by: default avatarMichal Kazior <michal.kazior@tieto.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 870d37fc

net/wireless/chan.c

+2 −0
Original line number Diff line number Diff line
@@ -85,6 +85,8 @@ int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, 


	if (!rdev->ops->set_monitor_channel)

		return -EOPNOTSUPP;

	if (!cfg80211_has_monitors_only(rdev))

		return -EBUSY;



	chan = rdev_freq_to_chan(rdev, freq, chantype);

	if (!chan)