mac80211: remove local->radar_detect_enabled
local->radar_detect_enabled should tell whether
radar_detect is enabled on any interface belonging
to local.
However, it's not getting updated correctly
in many cases (actually, when testing with hwsim
it's never been set, even when the dfs master
is beaconing).
Instead of handling all the corner cases
(e.g. channel switch), simply check whether
radar detection is enabled only when needed,
instead of caching the result.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 844fb5f..b0320bb 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -432,7 +432,7 @@
static bool ieee80211_can_scan(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata)
{
- if (local->radar_detect_enabled)
+ if (ieee80211_is_radar_required(local))
return false;
if (!list_empty(&local->roc_list))