1 files changed, 26 insertions, 13 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 79a24410dd0..7c3eb3d8f7e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -552,17 +552,30 @@ static int iwl4965_send_beacon_cmd(struct iwl_priv *priv)
 static void iwl4965_ht_conf(struct iwl_priv *priv,
                             struct ieee80211_bss_conf *bss_conf)
 {
-        struct ieee80211_sta_ht_cap *ht_conf = bss_conf->ht_cap;
-        struct ieee80211_ht_bss_info *ht_bss_conf = bss_conf->ht_bss_conf;
+        struct ieee80211_sta_ht_cap *ht_conf;
         struct iwl_ht_info *iwl_conf = &priv->current_ht_config;
+        struct ieee80211_sta *sta;
 
         IWL_DEBUG_MAC80211("enter: \n");
 
-        iwl_conf->is_ht = bss_conf->assoc_ht;
-
         if (!iwl_conf->is_ht)
                 return;
 
+
+        /*
+         * It is totally wrong to base global information on something
+         * that is valid only when associated, alas, this driver works
+         * that way and I don't know how to fix it.
+         */
+
+        rcu_read_lock();
+        sta = ieee80211_find_sta(priv->hw, priv->bssid);
+        if (!sta) {
+                rcu_read_unlock();
+                return;
+        }
+        ht_conf = &sta->ht_cap;
+
         if (ht_conf->cap & IEEE80211_HT_CAP_SGI_20)
                 iwl_conf->sgf |= HT_SHORT_GI_20MHZ;
         if (ht_conf->cap & IEEE80211_HT_CAP_SGI_40)
@@ -574,8 +587,8 @@ static void iwl4965_ht_conf(struct iwl_priv *priv,
 
         iwl_conf->supported_chan_width =
                 !!(ht_conf->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
-        iwl_conf->extension_chan_offset =
-                ht_bss_conf->bss_cap & IEEE80211_HT_PARAM_CHA_SEC_OFFSET;
+
+        iwl_conf->extension_chan_offset = bss_conf->ht.secondary_channel_offset;
         /* If no above or below channel supplied disable FAT channel */
         if (iwl_conf->extension_chan_offset != IEEE80211_HT_PARAM_CHA_SEC_ABOVE &&
             iwl_conf->extension_chan_offset != IEEE80211_HT_PARAM_CHA_SEC_BELOW) {
@@ -587,15 +600,14 @@ static void iwl4965_ht_conf(struct iwl_priv *priv,
 
         memcpy(&iwl_conf->mcs, &ht_conf->mcs, 16);
 
-        iwl_conf->control_channel = ht_bss_conf->primary_channel;
-        iwl_conf->tx_chan_width =
-                !!(ht_bss_conf->bss_cap & IEEE80211_HT_PARAM_CHAN_WIDTH_ANY);
+        iwl_conf->tx_chan_width = bss_conf->ht.width_40_ok;
         iwl_conf->ht_protection =
-                ht_bss_conf->bss_op_mode & IEEE80211_HT_OP_MODE_PROTECTION;
+                bss_conf->ht.operation_mode & IEEE80211_HT_OP_MODE_PROTECTION;
         iwl_conf->non_GF_STA_present =
-                !!(ht_bss_conf->bss_op_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
+                !!(bss_conf->ht.operation_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
+
+        rcu_read_unlock();
 
-        IWL_DEBUG_MAC80211("control channel %d\n", iwl_conf->control_channel);
         IWL_DEBUG_MAC80211("leave\n");
 }
 
@@ -2746,6 +2758,8 @@ static int iwl4965_mac_config(struct ieee80211_hw *hw, u32 changed)
         mutex_lock(&priv->mutex);
         IWL_DEBUG_MAC80211("enter to channel %d\n", conf->channel->hw_value);
 
+        priv->current_ht_config.is_ht = conf->ht.enabled;
+
         if (conf->radio_enabled && iwl_radio_kill_sw_enable_radio(priv)) {
                 IWL_DEBUG_MAC80211("leave - RF-KILL - waiting for uCode\n");
                 goto out;
@@ -3104,7 +3118,6 @@ static void iwl4965_bss_info_changed(struct ieee80211_hw *hw,
         }
 
         if (changes & BSS_CHANGED_HT) {
-                IWL_DEBUG_MAC80211("HT %d\n", bss_conf->assoc_ht);
                 iwl4965_ht_conf(priv, bss_conf);
                 iwl_set_rxon_chain(priv);
         }