cfg80211: fix radar_detect combination checking
All bits from radar_detect must match combination
radar bitmask. Otherwise it is theoretically
possible to lead into an invalid combination
provided a driver reports strange combinations.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 5433659..d032a31 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -1309,7 +1309,7 @@
}
}
- if (radar_detect && !(c->radar_detect_widths & radar_detect))
+ if (radar_detect != (c->radar_detect_widths & radar_detect))
goto cont;
/* Finally check that all iftypes that we're currently