Search Linux Wireless

[RFCv2 08/13] cfg80211: refuse to .set_monitor_channel when non-monitors are present

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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

Signed-off-by: Michal Kazior <michal.kazior@xxxxxxxxx>
---
 net/wireless/chan.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index 167e7cb..019401b 100644
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -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)
-- 
1.7.0.4

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Host AP]     [ATH6KL]     [Linux Wireless Personal Area Network]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [Linux Kernel]     [IDE]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite Hiking]     [MIPS Linux]     [ARM Linux]     [Linux RAID]

  Powered by Linux