Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/gi…

…t/linville/wireless-2.6

Conflicts:
	net/mac80211/mlme.c

MAINTAINERS

@@ -2966,20 +2966,14 @@ F:	drivers/net/ixgb/
 F:	drivers/net/ixgbe/
 
 INTEL PRO/WIRELESS 2100 NETWORK CONNECTION SUPPORT
-M:	Reinette Chatre <reinette.chatre@intel.com>
-M:	Intel Linux Wireless <ilw@linux.intel.com>
 L:	linux-wireless@vger.kernel.org
-W:	http://ipw2100.sourceforge.net
-S:	Odd Fixes
+S:	Orphan
 F:	Documentation/networking/README.ipw2100
 F:	drivers/net/wireless/ipw2x00/ipw2100.*
 
 INTEL PRO/WIRELESS 2915ABG NETWORK CONNECTION SUPPORT
-M:	Reinette Chatre <reinette.chatre@intel.com>
-M:	Intel Linux Wireless <ilw@linux.intel.com>
 L:	linux-wireless@vger.kernel.org
-W:	http://ipw2200.sourceforge.net
-S:	Odd Fixes
+S:	Orphan
 F:	Documentation/networking/README.ipw2200
 F:	drivers/net/wireless/ipw2x00/ipw2200.*
 

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);

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)

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

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);

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;
 }

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);
 

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);

drivers/net/wireless/iwlwifi/iwl3945-base.c

@@ -3363,17 +3363,21 @@ 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);
 	if (ret) {
 		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;
 }

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;

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) },
 	{ },
 };
 

net/mac80211/mlme.c

@@ -1704,8 +1704,45 @@ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
 	mutex_unlock(&ifmgd->mtx);
 
 	if (skb->len >= 24 + 2 /* mgmt + deauth reason */ &&
-	    (fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_DEAUTH)
+	    (fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_DEAUTH) {
+		struct ieee80211_local *local = sdata->local;
+		struct ieee80211_work *wk;
+
+		mutex_lock(&local->work_mtx);
+		list_for_each_entry(wk, &local->work_list, list) {
+			if (wk->sdata != sdata)
+				continue;
+
+			if (wk->type != IEEE80211_WORK_ASSOC)
+				continue;
+
+			if (memcmp(mgmt->bssid, wk->filter_ta, ETH_ALEN))
+				continue;
+			if (memcmp(mgmt->sa, wk->filter_ta, ETH_ALEN))
+				continue;
+
+			/*
+			 * Printing the message only here means we can't
+			 * spuriously print it, but it also means that it
+			 * won't be printed when the frame comes in before
+			 * we even tried to associate or in similar cases.
+			 *
+			 * Ultimately, I suspect cfg80211 should print the
+			 * messages instead.
+			 */
+			printk(KERN_DEBUG
+			       "%s: deauthenticated from %pM (Reason: %u)\n",
+			       sdata->name, mgmt->bssid,
+			       le16_to_cpu(mgmt->u.deauth.reason_code));
+
+			list_del_rcu(&wk->list);
+			free_work(wk);
+			break;
+		}
+		mutex_unlock(&local->work_mtx);
+
 		cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len);
+	}
 }
 
 static void ieee80211_sta_timer(unsigned long data)

net/mac80211/work.c

@@ -715,7 +715,7 @@ static void ieee80211_work_rx_queued_mgmt(struct ieee80211_local *local,
 	struct ieee80211_rx_status *rx_status;
 	struct ieee80211_mgmt *mgmt;
 	struct ieee80211_work *wk;
-	enum work_action rma;
+	enum work_action rma = WORK_ACT_NONE;
 	u16 fc;
 
 	rx_status = (struct ieee80211_rx_status *) skb->cb;