Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6

Conflicts:
	net/mac80211/mlme.c

10 files changed, 55 insertions, 8 deletions

diff --git a/drivers/net/wireless/hostap/hostap_cs.c b/drivers/net/wireless/hostap/hostap_cs.c
index db72461c486b..29b31a694b59 100644
--- a/drivers/net/wireless/hostap/hostap_cs.c
+++ b/drivers/net/wireless/hostap/hostap_cs.c
@@ -594,6 +594,7 @@ static int prism2_config(struct pcmcia_device *link)
         local_info_t *local;
         int ret = 1;
         struct hostap_cs_priv *hw_priv;
+        unsigned long flags;
 
         PDEBUG(DEBUG_FLOW, "prism2_config()\n");
 
@@ -625,9 +626,15 @@ static int prism2_config(struct pcmcia_device *link)
         local->hw_priv = hw_priv;
         hw_priv->link = link;
 
+        /*
+         * Make sure the IRQ handler cannot proceed until at least
+         * dev->base_addr is initialized.
+         */
+        spin_lock_irqsave(&local->irq_init_lock, flags);
+
         ret = pcmcia_request_irq(link, prism2_interrupt);
         if (ret)
-                goto failed;
+                goto failed_unlock;
 
         /*
          * This actually configures the PCMCIA socket -- setting up
@@ -636,11 +643,13 @@ static int prism2_config(struct pcmcia_device *link)
          */
         ret = pcmcia_request_configuration(link, &link->conf);
         if (ret)
-                goto failed;
+                goto failed_unlock;
 
         dev->irq = link->irq;
         dev->base_addr = link->io.BasePort1;
 
+        spin_unlock_irqrestore(&local->irq_init_lock, flags);
+
         /* Finally, report what we've done */
         printk(KERN_INFO "%s: index 0x%02x: ",
                dev_info, link->conf.ConfigIndex);
@@ -667,6 +676,8 @@ static int prism2_config(struct pcmcia_device *link)
 
         return ret;
 
+ failed_unlock:
+         spin_unlock_irqrestore(&local->irq_init_lock, flags);
  failed:
         kfree(hw_priv);
         prism2_release((u_long)link);
diff --git a/drivers/net/wireless/hostap/hostap_hw.c b/drivers/net/wireless/hostap/hostap_hw.c
index ff9b5c882184..2f999fc94f60 100644
--- a/drivers/net/wireless/hostap/hostap_hw.c
+++ b/drivers/net/wireless/hostap/hostap_hw.c
@@ -2621,6 +2621,18 @@ static irqreturn_t prism2_interrupt(int irq, void *dev_id)
         iface = netdev_priv(dev);
         local = iface->local;
 
+        /* Detect early interrupt before driver is fully configued */
+        spin_lock(&local->irq_init_lock);
+        if (!dev->base_addr) {
+                if (net_ratelimit()) {
+                        printk(KERN_DEBUG "%s: Interrupt, but dev not configured\n",
+                               dev->name);
+                }
+                spin_unlock(&local->irq_init_lock);
+                return IRQ_HANDLED;
+        }
+        spin_unlock(&local->irq_init_lock);
+
         prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INTERRUPT, 0, 0);
 
         if (local->func->card_present && !local->func->card_present(local)) {
@@ -3138,6 +3150,7 @@ prism2_init_local_data(struct prism2_helper_functions *funcs, int card_idx,
         spin_lock_init(&local->cmdlock);
         spin_lock_init(&local->baplock);
         spin_lock_init(&local->lock);
+        spin_lock_init(&local->irq_init_lock);
         mutex_init(&local->rid_bap_mtx);
 
         if (card_idx < 0 || card_idx >= MAX_PARM_DEVICES)
diff --git a/drivers/net/wireless/hostap/hostap_wlan.h b/drivers/net/wireless/hostap/hostap_wlan.h
index 3d238917af07..1ba33be98b25 100644
--- a/drivers/net/wireless/hostap/hostap_wlan.h
+++ b/drivers/net/wireless/hostap/hostap_wlan.h
@@ -654,7 +654,7 @@ struct local_info {
         rwlock_t iface_lock; /* hostap_interfaces read lock; use write lock
                               * when removing entries from the list.
                               * TX and RX paths can use read lock. */
-        spinlock_t cmdlock, baplock, lock;
+        spinlock_t cmdlock, baplock, lock, irq_init_lock;
         struct mutex rid_bap_mtx;
         u16 infofid; /* MAC buffer id for info frame */
         /* txfid, intransmitfid, next_txtid, and next_alloc are protected by
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
index 10a0acdb9dd4..84df7fca750d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
@@ -1147,6 +1147,7 @@ static void iwlagn_tx_status(struct iwl_priv *priv, struct sk_buff *skb)
         struct ieee80211_sta *sta;
         struct iwl_station_priv *sta_priv;
 
+        rcu_read_lock();
         sta = ieee80211_find_sta(priv->vif, hdr->addr1);
         if (sta) {
                 sta_priv = (void *)sta->drv_priv;
@@ -1155,6 +1156,7 @@ static void iwlagn_tx_status(struct iwl_priv *priv, struct sk_buff *skb)
                     atomic_dec_return(&sta_priv->pending_frames) == 0)
                         ieee80211_sta_block_awake(priv->hw, sta, false);
         }
+        rcu_read_unlock();
 
         ieee80211_tx_status_irqsafe(priv->hw, skb);
 }
@@ -1322,6 +1324,11 @@ void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
         sta_id = ba_resp->sta_id;
         tid = ba_resp->tid;
         agg = &priv->stations[sta_id].tid[tid].agg;
+        if (unlikely(agg->txq_id != scd_flow)) {
+                IWL_ERR(priv, "BA scd_flow %d does not match txq_id %d\n",
+                        scd_flow, agg->txq_id);
+                return;
+        }
 
         /* Find index just before block-ack window */
         index = iwl_queue_dec_wrap(ba_resp_scd_ssn & 0xff, txq->q.n_bd);
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 4ade9a68278a..d857f8496f69 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3465,10 +3465,12 @@ static int iwlagn_mac_sta_add(struct ieee80211_hw *hw,
         int ret;
         u8 sta_id;
 
-        sta_priv->common.sta_id = IWL_INVALID_STATION;
-
         IWL_DEBUG_INFO(priv, "received request to add station %pM\n",
                         sta->addr);
+        mutex_lock(&priv->mutex);
+        IWL_DEBUG_INFO(priv, "proceeding to add station %pM\n",
+                        sta->addr);
+        sta_priv->common.sta_id = IWL_INVALID_STATION;
 
         atomic_set(&sta_priv->pending_frames, 0);
         if (vif->type == NL80211_IFTYPE_AP)
@@ -3480,6 +3482,7 @@ static int iwlagn_mac_sta_add(struct ieee80211_hw *hw,
                 IWL_ERR(priv, "Unable to add station %pM (%d)\n",
                         sta->addr, ret);
                 /* Should we return success if return code is EEXIST ? */
+                mutex_unlock(&priv->mutex);
                 return ret;
         }
 
@@ -3489,6 +3492,7 @@ static int iwlagn_mac_sta_add(struct ieee80211_hw *hw,
         IWL_DEBUG_INFO(priv, "Initializing rate scaling for station %pM\n",
                        sta->addr);
         iwl_rs_rate_init(priv, sta, sta_id);
+        mutex_unlock(&priv->mutex);
 
         return 0;
 }
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index b8bcd48eb8fa..798f93e0ff50 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -500,6 +500,7 @@ void iwl_bg_abort_scan(struct work_struct *work)
 
         mutex_lock(&priv->mutex);
 
+        cancel_delayed_work_sync(&priv->scan_check);
         set_bit(STATUS_SCAN_ABORTING, &priv->status);
         iwl_send_scan_abort(priv);
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c
index c7127132c298..d57df6c02db3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.c
@@ -1373,10 +1373,14 @@ int iwl_mac_sta_remove(struct ieee80211_hw *hw,
 
         IWL_DEBUG_INFO(priv, "received request to remove station %pM\n",
                         sta->addr);
+        mutex_lock(&priv->mutex);
+        IWL_DEBUG_INFO(priv, "proceeding to remove station %pM\n",
+                        sta->addr);
         ret = iwl_remove_station(priv, sta_common->sta_id, sta->addr);
         if (ret)
                 IWL_ERR(priv, "Error removing station %pM\n",
                         sta->addr);
+        mutex_unlock(&priv->mutex);
         return ret;
 }
 EXPORT_SYMBOL(iwl_mac_sta_remove);
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index eb71a8c021ac..697fa6caaceb 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -3363,10 +3363,13 @@ static int iwl3945_mac_sta_add(struct ieee80211_hw *hw,
         bool is_ap = vif->type == NL80211_IFTYPE_STATION;
         u8 sta_id;
 
-        sta_priv->common.sta_id = IWL_INVALID_STATION;
-
         IWL_DEBUG_INFO(priv, "received request to add station %pM\n",
                         sta->addr);
+        mutex_lock(&priv->mutex);
+        IWL_DEBUG_INFO(priv, "proceeding to add station %pM\n",
+                        sta->addr);
+        sta_priv->common.sta_id = IWL_INVALID_STATION;
+
 
         ret = iwl_add_station_common(priv, sta->addr, is_ap, &sta->ht_cap,
                                      &sta_id);
@@ -3374,6 +3377,7 @@ static int iwl3945_mac_sta_add(struct ieee80211_hw *hw,
                 IWL_ERR(priv, "Unable to add station %pM (%d)\n",
                         sta->addr, ret);
                 /* Should we return success if return code is EEXIST ? */
+                mutex_unlock(&priv->mutex);
                 return ret;
         }
 
@@ -3383,6 +3387,7 @@ static int iwl3945_mac_sta_add(struct ieee80211_hw *hw,
         IWL_DEBUG_INFO(priv, "Initializing rate scaling for station %pM\n",
                        sta->addr);
         iwl3945_rs_rate_init(priv, sta, sta_id);
+        mutex_unlock(&priv->mutex);
 
         return 0;
 }
diff --git a/drivers/net/wireless/libertas_tf/main.c b/drivers/net/wireless/libertas_tf/main.c
index 6a04c2157f73..817fffc0de4b 100644
--- a/drivers/net/wireless/libertas_tf/main.c
+++ b/drivers/net/wireless/libertas_tf/main.c
@@ -549,7 +549,7 @@ int lbtf_rx(struct lbtf_private *priv, struct sk_buff *skb)
 
         prxpd = (struct rxpd *) skb->data;
 
-        stats.flag = 0;
+        memset(&stats, 0, sizeof(stats));
         if (!(prxpd->status & cpu_to_le16(MRVDRV_RXPD_STATUS_OK)))
                 stats.flag |= RX_FLAG_FAILED_FCS_CRC;
         stats.freq = priv->cur_freq;
diff --git a/drivers/net/wireless/p54/p54pci.c b/drivers/net/wireless/p54/p54pci.c
index 07c4528f6e6b..a5ea89cde8c4 100644
--- a/drivers/net/wireless/p54/p54pci.c
+++ b/drivers/net/wireless/p54/p54pci.c
@@ -41,6 +41,8 @@ static DEFINE_PCI_DEVICE_TABLE(p54p_table) = {
         { PCI_DEVICE(0x1260, 0x3877) },
         /* Intersil PRISM Javelin/Xbow Wireless LAN adapter */
         { PCI_DEVICE(0x1260, 0x3886) },
+        /* Intersil PRISM Xbow Wireless LAN adapter (Symbol AP-300) */
+        { PCI_DEVICE(0x1260, 0xffff) },
         { },
 };