1 files changed, 4 insertions, 42 deletions

diff --git a/net/mac80211/work.c b/net/mac80211/work.c
index 6c53b6d1002b..3dd5a89e99a7 100644
--- a/net/mac80211/work.c
+++ b/net/mac80211/work.c
@@ -103,7 +103,6 @@ static void ieee80211_add_ht_ie(struct sk_buff *skb, const u8 *ht_info_ie,
         u8 *pos;
         u32 flags = channel->flags;
         u16 cap = sband->ht_cap.cap;
-        __le16 tmp;
 
         if (!sband->ht_cap.ht_supported)
                 return;
@@ -154,34 +153,8 @@ static void ieee80211_add_ht_ie(struct sk_buff *skb, const u8 *ht_info_ie,
         }
 
         /* reserve and fill IE */
-
         pos = skb_put(skb, sizeof(struct ieee80211_ht_cap) + 2);
-        *pos++ = WLAN_EID_HT_CAPABILITY;
-        *pos++ = sizeof(struct ieee80211_ht_cap);
-        memset(pos, 0, sizeof(struct ieee80211_ht_cap));
-
-        /* capability flags */
-        tmp = cpu_to_le16(cap);
-        memcpy(pos, &tmp, sizeof(u16));
-        pos += sizeof(u16);
-
-        /* AMPDU parameters */
-        *pos++ = sband->ht_cap.ampdu_factor |
-                 (sband->ht_cap.ampdu_density <<
-                        IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT);
-
-        /* MCS set */
-        memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs));
-        pos += sizeof(sband->ht_cap.mcs);
-
-        /* extended capabilities */
-        pos += sizeof(__le16);
-
-        /* BF capabilities */
-        pos += sizeof(__le32);
-
-        /* antenna selection */
-        pos += sizeof(u8);
+        ieee80211_ie_build_ht_cap(pos, sband, cap);
 }
 
 static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
@@ -969,10 +942,9 @@ static void ieee80211_work_work(struct work_struct *work)
                 }
 
                 if (!started && !local->tmp_channel) {
-                        bool on_oper_chan;
-                        bool tmp_chan_changed = false;
-                        bool on_oper_chan2;
+                        bool on_oper_chan, on_oper_chan2;
                         enum nl80211_channel_type wk_ct;
+
                         on_oper_chan = ieee80211_cfg_on_oper_channel(local);
 
                         /* Work with existing channel type if possible. */
@@ -981,11 +953,6 @@ static void ieee80211_work_work(struct work_struct *work)
                                 wk_ct = ieee80211_calc_ct(wk->chan_type,
                                                 local->hw.conf.channel_type);
 
-                        if (local->tmp_channel)
-                                if ((local->tmp_channel != wk->chan) ||
-                                    (local->tmp_channel_type != wk_ct))
-                                        tmp_chan_changed = true;
-
                         local->tmp_channel = wk->chan;
                         local->tmp_channel_type = wk_ct;
                         /*
@@ -1008,12 +975,7 @@ static void ieee80211_work_work(struct work_struct *work)
                                                                     true,
                                                                     false);
                                 }
-                        } else if (tmp_chan_changed)
-                                /* Still off-channel, but on some other
-                                 * channel, so update hardware.
-                                 * PS should already be off-channel.
-                                 */
-                                ieee80211_hw_config(local, 0);
+                        }
 
                         started = true;
                         wk->timeout = jiffies;