From: Sujith <Sujith.Manoharan@atheros.com>
Date: Mon, 2 Mar 2009 07:58:31 +0000 (+0530)
Subject: mac80211: Fix TKIP/WEP HT capability handling
X-Git-Tag: firefly_0821_release~15237^2~341
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e65c22633c14eabe9593a71a727f81544378b892;p=firefly-linux-kernel-4.4.55.git

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 7f238589b6ff..52d876e3eabe 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1307,7 +1307,8 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
 	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);