+--- a/net/mac80211/main.c
++++ b/net/mac80211/main.c
+@@ -101,7 +101,7 @@ static u32 ieee80211_hw_conf_chan(struct
+ struct ieee80211_sub_if_data *sdata;
+ struct cfg80211_chan_def chandef = {};
+ u32 changed = 0;
+- int power;
++ int power = 0;
+ u32 offchannel_flag;
+
+ offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL;
+@@ -155,16 +155,16 @@ static u32 ieee80211_hw_conf_chan(struct
+ changed |= IEEE80211_CONF_CHANGE_SMPS;
+ }
+
+- power = chandef.chan->max_power;
+-
+ rcu_read_lock();
+ list_for_each_entry_rcu(sdata, &local->interfaces, list) {
+ if (!rcu_access_pointer(sdata->vif.chanctx_conf))
+ continue;
+- power = min(power, sdata->vif.bss_conf.txpower);
++ power = max(power, sdata->vif.bss_conf.txpower);
+ }
+ rcu_read_unlock();
+
++ power = min(power, chandef.chan->max_power);
++
+ if (local->hw.conf.power_level != power) {
+ changed |= IEEE80211_CONF_CHANGE_POWER;
+ local->hw.conf.power_level = power;