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authorFelix Fietkau <nbd@openwrt.org>2013-02-23 19:02:14 +0100
committerJohannes Berg <johannes.berg@intel.com>2013-02-26 21:53:38 +0100
commitcb601ffa326bc5c74a6ecd8e72ae9631e5f12f75 (patch)
tree15a3cdeb41d66ece6dfad05585d7441450b2c8b6 /net/mac80211/cfg.c
parentmac80211: fix idle handling in monitor mode (diff)
downloadlinux-cb601ffa326bc5c74a6ecd8e72ae9631e5f12f75.tar.xz
linux-cb601ffa326bc5c74a6ecd8e72ae9631e5f12f75.zip
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: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/cfg.c')
-rw-r--r--net/mac80211/cfg.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 09d96a8f6c2c..808f5fcd1ced 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -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();