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Commit cb601ffa authored by Felix Fietkau's avatar Felix Fietkau Committed by Johannes Berg
Browse files

mac80211: fix monitor mode channel reporting 



When not using channel contexts with only monitor mode interfaces being
active, report local->monitor_chandef to userspace.

Signed-off-by: default avatarFelix Fietkau <nbd@openwrt.org>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent b759f4dd

net/mac80211/cfg.c

+9 −3
Original line number Diff line number Diff line
@@ -3285,15 +3285,21 @@ static int ieee80211_cfg_get_channel(struct wiphy *wiphy, 
				     struct cfg80211_chan_def *chandef)

{

	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);

	struct ieee80211_local *local = wiphy_priv(wiphy);

	struct ieee80211_chanctx_conf *chanctx_conf;

	int ret = -ENODATA;



	rcu_read_lock();

	if (local->use_chanctx) {

		chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);

		if (chanctx_conf) {

			*chandef = chanctx_conf->def;

			ret = 0;

		}

	} else if (local->open_count == local->monitors) {

		*chandef = local->monitor_chandef;

		ret = 0;

	}

	rcu_read_unlock();



	return ret;