1 files changed, 17 insertions, 9 deletions

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index cfc473e1b05..680bcb7093d 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -429,6 +429,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
         struct sta_info *sta = tx->sta;
         struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data;
+        struct ieee80211_local *local = tx->local;
         u32 staflags;
 
         if (unlikely(!sta ||
@@ -476,6 +477,12 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
                 info->control.vif = &tx->sdata->vif;
                 info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
                 skb_queue_tail(&sta->ps_tx_buf, tx->skb);
+
+                if (!timer_pending(&local->sta_cleanup))
+                        mod_timer(&local->sta_cleanup,
+                                  round_jiffies(jiffies +
+                                                STA_INFO_CLEANUP_INTERVAL));
+
                 return TX_QUEUED;
         }
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
@@ -513,6 +520,8 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
         else if (tx->sta && (key = rcu_dereference(tx->sta->key)))
                 tx->key = key;
         else if (ieee80211_is_mgmt(hdr->frame_control) &&
+                 is_multicast_ether_addr(hdr->addr1) &&
+                 ieee80211_is_robust_mgmt_frame(hdr) &&
                  (key = rcu_dereference(tx->sdata->default_mgmt_key)))
                 tx->key = key;
         else if ((key = rcu_dereference(tx->sdata->default_key)))
@@ -584,7 +593,8 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
         struct ieee80211_hdr *hdr = (void *)tx->skb->data;
         struct ieee80211_supported_band *sband;
         struct ieee80211_rate *rate;
-        int i, len;
+        int i;
+        u32 len;
         bool inval = false, rts = false, short_preamble = false;
         struct ieee80211_tx_rate_control txrc;
         u32 sta_flags;
@@ -593,7 +603,7 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
 
         sband = tx->local->hw.wiphy->bands[tx->channel->band];
 
-        len = min_t(int, tx->skb->len + FCS_LEN,
+        len = min_t(u32, tx->skb->len + FCS_LEN,
                          tx->local->hw.wiphy->frag_threshold);
 
         /* set up the tx rate control struct we give the RC algo */
@@ -1142,13 +1152,12 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata,
 
         if (tx->sta && ieee80211_is_data_qos(hdr->frame_control) &&
             (local->hw.flags & IEEE80211_HW_AMPDU_AGGREGATION)) {
-                unsigned long flags;
                 struct tid_ampdu_tx *tid_tx;
 
                 qc = ieee80211_get_qos_ctl(hdr);
                 tid = *qc & IEEE80211_QOS_CTL_TID_MASK;
 
-                spin_lock_irqsave(&tx->sta->lock, flags);
+                spin_lock(&tx->sta->lock);
                 /*
                  * XXX: This spinlock could be fairly expensive, but see the
                  *      comment in agg-tx.c:ieee80211_agg_tx_operational().
@@ -1173,7 +1182,7 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata,
                         info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
                         __skb_queue_tail(&tid_tx->pending, skb);
                 }
-                spin_unlock_irqrestore(&tx->sta->lock, flags);
+                spin_unlock(&tx->sta->lock);
 
                 if (unlikely(queued))
                         return TX_QUEUED;
@@ -2011,14 +2020,12 @@ void ieee80211_tx_pending(unsigned long data)
                 while (!skb_queue_empty(&local->pending[i])) {
                         struct sk_buff *skb = __skb_dequeue(&local->pending[i]);
                         struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-                        struct ieee80211_sub_if_data *sdata;
 
                         if (WARN_ON(!info->control.vif)) {
                                 kfree_skb(skb);
                                 continue;
                         }
 
-                        sdata = vif_to_sdata(info->control.vif);
                         spin_unlock_irqrestore(&local->queue_stop_reason_lock,
                                                 flags);
 
@@ -2244,8 +2251,9 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
 
         info->control.vif = vif;
 
-        info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
-        info->flags |= IEEE80211_TX_CTL_ASSIGN_SEQ;
+        info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT |
+                        IEEE80211_TX_CTL_ASSIGN_SEQ |
+                        IEEE80211_TX_CTL_FIRST_FRAGMENT;
  out:
         rcu_read_unlock();
         return skb;