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mac80211: fix monitor mode channel reporting

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

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Felix Fietkau 2013-02-23 19:02:14 +01:00 committed by Johannes Berg
parent b759f4ddca
commit cb601ffa32
1 changed files with 9 additions and 3 deletions
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12
net/mac80211/cfg.c
View file

@ -3285,13 +3285,19 @@ 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();
chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
if (chanctx_conf) {
*chandef = chanctx_conf->def;
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();