net: amend the fix for SO_BSDCOMPAT gsopt infoleak

[pandora-kernel.git] / net / mac80211 / ht.c

diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index a1eed70..c5c0c52 100644 (file)
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -98,6 +98,7 @@ u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
        struct ieee80211_bss_ht_conf ht;
        u32 changed = 0;
        bool enable_ht = true, ht_changed;
+       enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
 
        sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
 
@@ -112,24 +113,36 @@ u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
            ieee80211_channel_to_frequency(hti->control_chan))
                enable_ht = false;
 
-       /*
-        * XXX: This is totally incorrect when there are multiple virtual
-        *      interfaces, needs to be fixed later.
-        */
-       ht_changed = local->hw.conf.ht.enabled != enable_ht;
+       if (enable_ht) {
+               channel_type = NL80211_CHAN_HT20;
+
+               if (!(ap_ht_cap_flags & IEEE80211_HT_CAP_40MHZ_INTOLERANT) &&
+                   (sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) &&
+                   (hti->ht_param & IEEE80211_HT_PARAM_CHAN_WIDTH_ANY)) {
+                       switch(hti->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
+                       case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
+                               channel_type = NL80211_CHAN_HT40PLUS;
+                               break;
+                       case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
+                               channel_type = NL80211_CHAN_HT40MINUS;
+                               break;
+                       }
+               }
+       }
+
+       ht_changed = local->hw.conf.ht.enabled != 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);
 
        /* disable HT */
        if (!enable_ht)
                return 0;
-       ht.secondary_channel_offset =
-               hti->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET;
-       ht.width_40_ok =
-               !(ap_ht_cap_flags & IEEE80211_HT_CAP_40MHZ_INTOLERANT) &&
-               (sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) &&
-               (hti->ht_param & IEEE80211_HT_PARAM_CHAN_WIDTH_ANY);
+
        ht.operation_mode = le16_to_cpu(hti->operation_mode);
 
        /* if bss configuration changed store the new one */
@@ -456,7 +469,7 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid)
        struct ieee80211_sub_if_data *sdata;
        u16 start_seq_num;
        u8 *state;
-       int ret;
+       int ret = 0;
 
        if ((tid >= STA_TID_NUM) || !(hw->flags & IEEE80211_HW_AMPDU_AGGREGATION))
                return -EINVAL;