mac80211: no need for ht.enabled

We can simply use conf_is_ht() check where needed.
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

include/net/mac80211.h

@@ -508,7 +508,6 @@ static inline int __deprecated __IEEE80211_CONF_SHORT_SLOT_TIME(void)
 #define IEEE80211_CONF_SHORT_SLOT_TIME (__IEEE80211_CONF_SHORT_SLOT_TIME())
 
 struct ieee80211_ht_conf {
-	bool enabled;
 	enum nl80211_channel_type channel_type;
 };
 

net/mac80211/ht.c

@@ -130,11 +130,10 @@ u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
 		}
 	}
 
-	ht_changed = local->hw.conf.ht.enabled != enable_ht ||
+	ht_changed = conf_is_ht(&local->hw.conf) != enable_ht ||
 		     channel_type != local->hw.conf.ht.channel_type;
 
 	local->oper_channel_type = channel_type;
-	local->hw.conf.ht.enabled = enable_ht;
 
 	if (ht_changed)
 		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_HT);

net/mac80211/main.c

@@ -211,16 +211,6 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
 	    channel_type != local->hw.conf.ht.channel_type) {
 		local->hw.conf.channel = chan;
 		local->hw.conf.ht.channel_type = channel_type;
-		switch (channel_type) {
-		case NL80211_CHAN_NO_HT:
-			local->hw.conf.ht.enabled = false;
-			break;
-		case NL80211_CHAN_HT20:
-		case NL80211_CHAN_HT40MINUS:
-		case NL80211_CHAN_HT40PLUS:
-			local->hw.conf.ht.enabled = true;
-			break;
-		}
 		changed |= IEEE80211_CONF_CHANGE_CHANNEL;
 	}
 

net/mac80211/mlme.c

@@ -901,7 +901,6 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
 
 	rcu_read_unlock();
 
-	local->hw.conf.ht.enabled = false;
 	local->oper_channel_type = NL80211_CHAN_NO_HT;
 	config_changed |= IEEE80211_CONF_CHANGE_HT;