mac80211: Fix TKIP/WEP HT capability handling

There is no need to parse the AP's HT capabilities if
the STA uses TKIP/WEP cipher. This allows the rate control
module to choose the correct(legacy) rate table.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 7f23858..52d876e 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1307,7 +1307,8 @@
 	else
 		sdata->flags &= ~IEEE80211_SDATA_OPERATING_GMODE;
 
-	if (elems.ht_cap_elem)
+	/* If TKIP/WEP is used, no need to parse AP's HT capabilities */
+	if (elems.ht_cap_elem && !(ifmgd->flags & IEEE80211_STA_TKIP_WEP_USED))
 		ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
 				elems.ht_cap_elem, &sta->sta.ht_cap);