From: Johannes Berg <johannes.berg@intel.com>
Date: Thu, 7 Feb 2013 10:58:58 +0000 (+0100)
Subject: mac80211: pass station to ieee80211_vht_cap_ie_to_sta_vht_cap
X-Git-Tag: v3.9-rc2~24^2~15^2^2~24^2~35
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4a34215ef7487b1cbd783e7cc485eb03de893bd0;p=platform%2Fkernel%2Flinux-exynos.git

mac80211: pass station to ieee80211_vht_cap_ie_to_sta_vht_cap

Like with HT, make things a bit simpler in future patches by
passing the station to ieee80211_vht_cap_ie_to_sta_vht_cap()
instead of the vht_cap pointer. Also disable VHT here if HT
isn't supported.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 9b17930..9c9496d 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1257,8 +1257,7 @@ static int sta_apply_parameters(struct ieee80211_local *local,
 
 	if (params->vht_capa)
 		ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
-						    params->vht_capa,
-						    &sta->sta.vht_cap);
+						    params->vht_capa, sta);
 
 	if (ieee80211_vif_is_mesh(&sdata->vif)) {
 #ifdef CONFIG_MAC80211_MESH
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 8f95644..9206d43 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1430,7 +1430,8 @@ u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs);
 void ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
 					 struct ieee80211_supported_band *sband,
 					 struct ieee80211_vht_cap *vht_cap_ie,
-					 struct ieee80211_sta_vht_cap *vht_cap);
+					 struct sta_info *sta);
+
 /* Spectrum management */
 void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
 				       struct ieee80211_mgmt *mgmt,
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index ac1374a..58b6e67 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2217,8 +2217,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
 
 	if (elems.vht_cap_elem && !(ifmgd->flags & IEEE80211_STA_DISABLE_VHT))
 		ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
-						    elems.vht_cap_elem,
-						    &sta->sta.vht_cap);
+						    elems.vht_cap_elem, sta);
 
 	rate_control_rate_init(sta);
 
diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c
index f311388..1606aa1 100644
--- a/net/mac80211/vht.c
+++ b/net/mac80211/vht.c
@@ -15,13 +15,15 @@
 void ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
 					 struct ieee80211_supported_band *sband,
 					 struct ieee80211_vht_cap *vht_cap_ie,
-					 struct ieee80211_sta_vht_cap *vht_cap)
+					 struct sta_info *sta)
 {
-	if (WARN_ON_ONCE(!vht_cap))
-		return;
+	struct ieee80211_sta_vht_cap *vht_cap = &sta->sta.vht_cap;
 
 	memset(vht_cap, 0, sizeof(*vht_cap));
 
+	if (!sta->sta.ht_cap.ht_supported)
+		return;
+
 	if (!vht_cap_ie || !sband->vht_cap.vht_supported)
 		return;