Merge branch 'linus' into core/rcu

19 files changed, 159 insertions, 48 deletions

diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
index 9e47d727e22..2d14255eb10 100644
--- a/drivers/net/wireless/ath5k/base.c
+++ b/drivers/net/wireless/ath5k/base.c
@@ -240,6 +240,10 @@ static u64 ath5k_get_tsf(struct ieee80211_hw *hw);
 static void ath5k_reset_tsf(struct ieee80211_hw *hw);
 static int ath5k_beacon_update(struct ieee80211_hw *hw,
 		struct sk_buff *skb);
+static void ath5k_bss_info_changed(struct ieee80211_hw *hw,
+		struct ieee80211_vif *vif,
+		struct ieee80211_bss_conf *bss_conf,
+		u32 changes);
 
 static struct ieee80211_ops ath5k_hw_ops = {
 	.tx 		= ath5k_tx,
@@ -256,6 +260,7 @@ static struct ieee80211_ops ath5k_hw_ops = {
 	.get_tx_stats 	= ath5k_get_tx_stats,
 	.get_tsf 	= ath5k_get_tsf,
 	.reset_tsf 	= ath5k_reset_tsf,
+	.bss_info_changed = ath5k_bss_info_changed,
 };
 
 /*
@@ -2942,8 +2947,10 @@ static void ath5k_configure_filter(struct ieee80211_hw *hw,
 		sc->opmode != NL80211_IFTYPE_MESH_POINT &&
 		test_bit(ATH_STAT_PROMISC, sc->status))
 		rfilt |= AR5K_RX_FILTER_PROM;
-	if (sc->opmode == NL80211_IFTYPE_ADHOC)
+	if ((sc->opmode == NL80211_IFTYPE_STATION && sc->assoc) ||
+		sc->opmode == NL80211_IFTYPE_ADHOC) {
 		rfilt |= AR5K_RX_FILTER_BEACON;
+	}
 
 	/* Set filters */
 	ath5k_hw_set_rx_filter(ah,rfilt);
@@ -3081,4 +3088,32 @@ ath5k_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb)
 end:
 	return ret;
 }
+static void
+set_beacon_filter(struct ieee80211_hw *hw, bool enable)
+{
+	struct ath5k_softc *sc = hw->priv;
+	struct ath5k_hw *ah = sc->ah;
+	u32 rfilt;
+	rfilt = ath5k_hw_get_rx_filter(ah);
+	if (enable)
+		rfilt |= AR5K_RX_FILTER_BEACON;
+	else
+		rfilt &= ~AR5K_RX_FILTER_BEACON;
+	ath5k_hw_set_rx_filter(ah, rfilt);
+	sc->filter_flags = rfilt;
+}
 
+static void ath5k_bss_info_changed(struct ieee80211_hw *hw,
+				    struct ieee80211_vif *vif,
+				    struct ieee80211_bss_conf *bss_conf,
+				    u32 changes)
+{
+	struct ath5k_softc *sc = hw->priv;
+	if (changes & BSS_CHANGED_ASSOC) {
+		mutex_lock(&sc->lock);
+		sc->assoc = bss_conf->assoc;
+		if (sc->opmode == NL80211_IFTYPE_STATION)
+			set_beacon_filter(hw, sc->assoc);
+		mutex_unlock(&sc->lock);
+	}
+}
diff --git a/drivers/net/wireless/ath5k/base.h b/drivers/net/wireless/ath5k/base.h
index 06d1054ca94..facc60ddada 100644
--- a/drivers/net/wireless/ath5k/base.h
+++ b/drivers/net/wireless/ath5k/base.h
@@ -179,6 +179,7 @@ struct ath5k_softc {
 
 	struct timer_list	calib_tim;	/* calibration timer */
 	int 			power_level;	/* Requested tx power in dbm */
+	bool			assoc;		/* assocate state */
 };
 
 #define ath5k_hw_hasbssidmask(_ah) \
diff --git a/drivers/net/wireless/ath5k/debug.c b/drivers/net/wireless/ath5k/debug.c
index 19980cbd5d5..ccaeb5c219d 100644
--- a/drivers/net/wireless/ath5k/debug.c
+++ b/drivers/net/wireless/ath5k/debug.c
@@ -417,19 +417,19 @@ ath5k_debug_init_device(struct ath5k_softc *sc)
 	sc->debug.debugfs_phydir = debugfs_create_dir(wiphy_name(sc->hw->wiphy),
 				ath5k_global_debugfs);
 
-	sc->debug.debugfs_debug = debugfs_create_file("debug", 0666,
+	sc->debug.debugfs_debug = debugfs_create_file("debug", S_IWUSR | S_IRUGO,
 				sc->debug.debugfs_phydir, sc, &fops_debug);
 
-	sc->debug.debugfs_registers = debugfs_create_file("registers", 0444,
+	sc->debug.debugfs_registers = debugfs_create_file("registers", S_IRUGO,
 				sc->debug.debugfs_phydir, sc, &fops_registers);
 
-	sc->debug.debugfs_tsf = debugfs_create_file("tsf", 0666,
+	sc->debug.debugfs_tsf = debugfs_create_file("tsf", S_IWUSR | S_IRUGO,
 				sc->debug.debugfs_phydir, sc, &fops_tsf);
 
-	sc->debug.debugfs_beacon = debugfs_create_file("beacon", 0666,
+	sc->debug.debugfs_beacon = debugfs_create_file("beacon", S_IWUSR | S_IRUGO,
 				sc->debug.debugfs_phydir, sc, &fops_beacon);
 
-	sc->debug.debugfs_reset = debugfs_create_file("reset", 0222,
+	sc->debug.debugfs_reset = debugfs_create_file("reset", S_IWUSR,
 				sc->debug.debugfs_phydir, sc, &fops_reset);
 }
 
diff --git a/drivers/net/wireless/ath5k/desc.c b/drivers/net/wireless/ath5k/desc.c
index dd1374052ba..5e362a7a362 100644
--- a/drivers/net/wireless/ath5k/desc.c
+++ b/drivers/net/wireless/ath5k/desc.c
@@ -531,10 +531,10 @@ static int ath5k_hw_proc_5210_rx_status(struct ath5k_hw *ah,
 		AR5K_5210_RX_DESC_STATUS0_RECEIVE_SIGNAL);
 	rs->rs_rate = AR5K_REG_MS(rx_status->rx_status_0,
 		AR5K_5210_RX_DESC_STATUS0_RECEIVE_RATE);
-	rs->rs_antenna = rx_status->rx_status_0 &
-		AR5K_5210_RX_DESC_STATUS0_RECEIVE_ANTENNA;
-	rs->rs_more = rx_status->rx_status_0 &
-		AR5K_5210_RX_DESC_STATUS0_MORE;
+	rs->rs_antenna = AR5K_REG_MS(rx_status->rx_status_0,
+		AR5K_5210_RX_DESC_STATUS0_RECEIVE_ANTENNA);
+	rs->rs_more = !!(rx_status->rx_status_0 &
+		AR5K_5210_RX_DESC_STATUS0_MORE);
 	/* TODO: this timestamp is 13 bit, later on we assume 15 bit */
 	rs->rs_tstamp = AR5K_REG_MS(rx_status->rx_status_1,
 		AR5K_5210_RX_DESC_STATUS1_RECEIVE_TIMESTAMP);
@@ -607,10 +607,10 @@ static int ath5k_hw_proc_5212_rx_status(struct ath5k_hw *ah,
 		AR5K_5212_RX_DESC_STATUS0_RECEIVE_SIGNAL);
 	rs->rs_rate = AR5K_REG_MS(rx_status->rx_status_0,
 		AR5K_5212_RX_DESC_STATUS0_RECEIVE_RATE);
-	rs->rs_antenna = rx_status->rx_status_0 &
-		AR5K_5212_RX_DESC_STATUS0_RECEIVE_ANTENNA;
-	rs->rs_more = rx_status->rx_status_0 &
-		AR5K_5212_RX_DESC_STATUS0_MORE;
+	rs->rs_antenna = AR5K_REG_MS(rx_status->rx_status_0,
+		AR5K_5212_RX_DESC_STATUS0_RECEIVE_ANTENNA);
+	rs->rs_more = !!(rx_status->rx_status_0 &
+		AR5K_5212_RX_DESC_STATUS0_MORE);
 	rs->rs_tstamp = AR5K_REG_MS(rx_status->rx_status_1,
 		AR5K_5212_RX_DESC_STATUS1_RECEIVE_TIMESTAMP);
 	rs->rs_status = 0;
diff --git a/drivers/net/wireless/ath9k/beacon.c b/drivers/net/wireless/ath9k/beacon.c
index 9e15c30bbc0..4dd1c1bda0f 100644
--- a/drivers/net/wireless/ath9k/beacon.c
+++ b/drivers/net/wireless/ath9k/beacon.c
@@ -170,7 +170,7 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id)
 	skb = (struct sk_buff *)bf->bf_mpdu;
 	if (skb) {
 		pci_unmap_single(sc->pdev, bf->bf_dmacontext,
-				 skb_end_pointer(skb) - skb->head,
+				 skb->len,
 				 PCI_DMA_TODEVICE);
 	}
 
@@ -193,7 +193,7 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id)
 
 	bf->bf_buf_addr = bf->bf_dmacontext =
 		pci_map_single(sc->pdev, skb->data,
-			       skb_end_pointer(skb) - skb->head,
+			       skb->len,
 			       PCI_DMA_TODEVICE);
 
 	skb = ieee80211_get_buffered_bc(sc->hw, avp->av_if_data);
@@ -352,7 +352,7 @@ int ath_beacon_alloc(struct ath_softc *sc, int if_id)
 	if (bf->bf_mpdu != NULL) {
 		skb = (struct sk_buff *)bf->bf_mpdu;
 		pci_unmap_single(sc->pdev, bf->bf_dmacontext,
-				 skb_end_pointer(skb) - skb->head,
+				 skb->len,
 				 PCI_DMA_TODEVICE);
 		dev_kfree_skb_any(skb);
 		bf->bf_mpdu = NULL;
@@ -412,7 +412,7 @@ int ath_beacon_alloc(struct ath_softc *sc, int if_id)
 
 	bf->bf_buf_addr = bf->bf_dmacontext =
 		pci_map_single(sc->pdev, skb->data,
-			       skb_end_pointer(skb) - skb->head,
+			       skb->len,
 			       PCI_DMA_TODEVICE);
 	bf->bf_mpdu = skb;
 
@@ -439,7 +439,7 @@ void ath_beacon_return(struct ath_softc *sc, struct ath_vap *avp)
 		if (bf->bf_mpdu != NULL) {
 			struct sk_buff *skb = (struct sk_buff *)bf->bf_mpdu;
 			pci_unmap_single(sc->pdev, bf->bf_dmacontext,
-					 skb_end_pointer(skb) - skb->head,
+					 skb->len,
 					 PCI_DMA_TODEVICE);
 			dev_kfree_skb_any(skb);
 			bf->bf_mpdu = NULL;
diff --git a/drivers/net/wireless/ath9k/recv.c b/drivers/net/wireless/ath9k/recv.c
index 4983402af55..504a0444d89 100644
--- a/drivers/net/wireless/ath9k/recv.c
+++ b/drivers/net/wireless/ath9k/recv.c
@@ -49,10 +49,12 @@ static void ath_rx_buf_link(struct ath_softc *sc, struct ath_buf *bf)
 	ASSERT(skb != NULL);
 	ds->ds_vdata = skb->data;
 
-	/* setup rx descriptors */
+	/* setup rx descriptors. The sc_rxbufsize here tells the harware
+	 * how much data it can DMA to us and that we are prepared
+	 * to process */
 	ath9k_hw_setuprxdesc(ah,
 			     ds,
-			     skb_tailroom(skb),   /* buffer size */
+			     sc->sc_rxbufsize,
 			     0);
 
 	if (sc->sc_rxlink == NULL)
@@ -398,6 +400,13 @@ static struct sk_buff *ath_rxbuf_alloc(struct ath_softc *sc,
 	 * in rx'd frames.
 	 */
 
+	/* Note: the kernel can allocate a value greater than
+	 * what we ask it to give us. We really only need 4 KB as that
+	 * is this hardware supports and in fact we need at least 3849
+	 * as that is the MAX AMSDU size this hardware supports.
+	 * Unfortunately this means we may get 8 KB here from the
+	 * kernel... and that is actually what is observed on some
+	 * systems :( */
 	skb = dev_alloc_skb(len + sc->sc_cachelsz - 1);
 	if (skb != NULL) {
 		off = ((unsigned long) skb->data) % sc->sc_cachelsz;
@@ -456,7 +465,7 @@ static int ath_rx_indicate(struct ath_softc *sc,
 	if (nskb != NULL) {
 		bf->bf_mpdu = nskb;
 		bf->bf_buf_addr = pci_map_single(sc->pdev, nskb->data,
-					 skb_end_pointer(nskb) - nskb->head,
+					 sc->sc_rxbufsize,
 					 PCI_DMA_FROMDEVICE);
 		bf->bf_dmacontext = bf->bf_buf_addr;
 		ATH_RX_CONTEXT(nskb)->ctx_rxbuf = bf;
@@ -542,7 +551,7 @@ int ath_rx_init(struct ath_softc *sc, int nbufs)
 
 			bf->bf_mpdu = skb;
 			bf->bf_buf_addr = pci_map_single(sc->pdev, skb->data,
-					 skb_end_pointer(skb) - skb->head,
+					 sc->sc_rxbufsize,
 					 PCI_DMA_FROMDEVICE);
 			bf->bf_dmacontext = bf->bf_buf_addr;
 			ATH_RX_CONTEXT(skb)->ctx_rxbuf = bf;
@@ -1007,7 +1016,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 
 		pci_dma_sync_single_for_cpu(sc->pdev,
 					    bf->bf_buf_addr,
-					    skb_tailroom(skb),
+					    sc->sc_rxbufsize,
 					    PCI_DMA_FROMDEVICE);
 		pci_unmap_single(sc->pdev,
 				 bf->bf_buf_addr,
diff --git a/drivers/net/wireless/hostap/hostap_wlan.h b/drivers/net/wireless/hostap/hostap_wlan.h
index ffdf4876121..a68f97c3935 100644
--- a/drivers/net/wireless/hostap/hostap_wlan.h
+++ b/drivers/net/wireless/hostap/hostap_wlan.h
@@ -918,9 +918,12 @@ struct hostap_interface {
 
 /*
  * TX meta data - stored in skb->cb buffer, so this must not be increased over
- * the 40-byte limit
+ * the 48-byte limit.
+ * THE PADDING THIS STARTS WITH IS A HORRIBLE HACK THAT SHOULD NOT LIVE
+ * TO SEE THE DAY.
  */
 struct hostap_skb_tx_data {
+	unsigned int __padding_for_default_qdiscs;
 	u32 magic; /* HOSTAP_SKB_TX_DATA_MAGIC */
 	u8 rate; /* transmit rate */
 #define HOSTAP_TX_FLAGS_WDS BIT(0)
diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c
index dcce3542d5a..7a9f901d4ff 100644
--- a/drivers/net/wireless/ipw2200.c
+++ b/drivers/net/wireless/ipw2200.c
@@ -3897,6 +3897,7 @@ static int ipw_disassociate(void *data)
 	if (!(priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING)))
 		return 0;
 	ipw_send_disassociate(data, 0);
+	netif_carrier_off(priv->net_dev);
 	return 1;
 }
 
@@ -10190,6 +10191,9 @@ static int ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb,
 	u16 remaining_bytes;
 	int fc;
 
+	if (!(priv->status & STATUS_ASSOCIATED))
+		goto drop;
+
 	hdr_len = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl));
 	switch (priv->ieee->iw_mode) {
 	case IW_MODE_ADHOC:
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 321dbc8c034..c4c0371c763 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1384,9 +1384,11 @@ void iwl_rx_handle(struct iwl_priv *priv)
 
 		rxq->queue[i] = NULL;
 
-		pci_dma_sync_single_for_cpu(priv->pci_dev, rxb->dma_addr,
-					    priv->hw_params.rx_buf_size,
-					    PCI_DMA_FROMDEVICE);
+		dma_sync_single_range_for_cpu(
+				&priv->pci_dev->dev, rxb->real_dma_addr,
+				rxb->aligned_dma_addr - rxb->real_dma_addr,
+				priv->hw_params.rx_buf_size,
+				PCI_DMA_FROMDEVICE);
 		pkt = (struct iwl_rx_packet *)rxb->skb->data;
 
 		/* Reclaim a command buffer only if this packet is a response
@@ -1436,8 +1438,8 @@ void iwl_rx_handle(struct iwl_priv *priv)
 			rxb->skb = NULL;
 		}
 
-		pci_unmap_single(priv->pci_dev, rxb->dma_addr,
-				 priv->hw_params.rx_buf_size,
+		pci_unmap_single(priv->pci_dev, rxb->real_dma_addr,
+				 priv->hw_params.rx_buf_size + 256,
 				 PCI_DMA_FROMDEVICE);
 		spin_lock_irqsave(&rxq->lock, flags);
 		list_add_tail(&rxb->list, &priv->rxq.rx_used);
@@ -2341,7 +2343,6 @@ static void iwl_bg_alive_start(struct work_struct *data)
 	mutex_lock(&priv->mutex);
 	iwl_alive_start(priv);
 	mutex_unlock(&priv->mutex);
-	ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC);
 }
 
 static void iwl4965_bg_rf_kill(struct work_struct *work)
@@ -3252,7 +3253,11 @@ static void iwl4965_mac_update_tkip_key(struct ieee80211_hw *hw,
 		return;
 	}
 
-	iwl_scan_cancel_timeout(priv, 100);
+	if (iwl_scan_cancel(priv)) {
+		/* cancel scan failed, just live w/ bad key and rely
+		   briefly on SW decryption */
+		return;
+	}
 
 	key_flags |= (STA_KEY_FLG_TKIP | STA_KEY_FLG_MAP_KEY_MSK);
 	key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS);
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 4c312c55f90..01a84585133 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -290,6 +290,9 @@ void iwl_clear_stations_table(struct iwl_priv *priv)
 	priv->num_stations = 0;
 	memset(priv->stations, 0, sizeof(priv->stations));
 
+	/* clean ucode key table bit map */
+	priv->ucode_key_table = 0;
+
 	spin_unlock_irqrestore(&priv->sta_lock, flags);
 }
 EXPORT_SYMBOL(iwl_clear_stations_table);
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index c018121085e..9966d4e384c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -89,7 +89,8 @@ extern struct iwl_cfg iwl5100_abg_cfg;
 #define	DEFAULT_LONG_RETRY_LIMIT  4U
 
 struct iwl_rx_mem_buffer {
-	dma_addr_t dma_addr;
+	dma_addr_t real_dma_addr;
+	dma_addr_t aligned_dma_addr;
 	struct sk_buff *skb;
 	struct list_head list;
 };
diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index 7cde9d76ff5..0509c16dbe7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -204,7 +204,7 @@ int iwl_rx_queue_restock(struct iwl_priv *priv)
 		list_del(element);
 
 		/* Point to Rx buffer via next RBD in circular buffer */
-		rxq->bd[rxq->write] = iwl_dma_addr2rbd_ptr(priv, rxb->dma_addr);
+		rxq->bd[rxq->write] = iwl_dma_addr2rbd_ptr(priv, rxb->aligned_dma_addr);
 		rxq->queue[rxq->write] = rxb;
 		rxq->write = (rxq->write + 1) & RX_QUEUE_MASK;
 		rxq->free_count--;
@@ -251,7 +251,7 @@ void iwl_rx_allocate(struct iwl_priv *priv)
 		rxb = list_entry(element, struct iwl_rx_mem_buffer, list);
 
 		/* Alloc a new receive buffer */
-		rxb->skb = alloc_skb(priv->hw_params.rx_buf_size,
+		rxb->skb = alloc_skb(priv->hw_params.rx_buf_size + 256,
 				__GFP_NOWARN | GFP_ATOMIC);
 		if (!rxb->skb) {
 			if (net_ratelimit())
@@ -266,9 +266,17 @@ void iwl_rx_allocate(struct iwl_priv *priv)
 		list_del(element);
 
 		/* Get physical address of RB/SKB */
-		rxb->dma_addr =
-		    pci_map_single(priv->pci_dev, rxb->skb->data,
-			   priv->hw_params.rx_buf_size, PCI_DMA_FROMDEVICE);
+		rxb->real_dma_addr = pci_map_single(
+					priv->pci_dev,
+					rxb->skb->data,
+					priv->hw_params.rx_buf_size + 256,
+					PCI_DMA_FROMDEVICE);
+		/* dma address must be no more than 36 bits */
+		BUG_ON(rxb->real_dma_addr & ~DMA_BIT_MASK(36));
+		/* and also 256 byte aligned! */
+		rxb->aligned_dma_addr = ALIGN(rxb->real_dma_addr, 256);
+		skb_reserve(rxb->skb, rxb->aligned_dma_addr - rxb->real_dma_addr);
+
 		list_add_tail(&rxb->list, &rxq->rx_free);
 		rxq->free_count++;
 	}
@@ -300,8 +308,8 @@ void iwl_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rxq)
 	for (i = 0; i < RX_QUEUE_SIZE + RX_FREE_BUFFERS; i++) {
 		if (rxq->pool[i].skb != NULL) {
 			pci_unmap_single(priv->pci_dev,
-					 rxq->pool[i].dma_addr,
-					 priv->hw_params.rx_buf_size,
+					 rxq->pool[i].real_dma_addr,
+					 priv->hw_params.rx_buf_size + 256,
 					 PCI_DMA_FROMDEVICE);
 			dev_kfree_skb(rxq->pool[i].skb);
 		}
@@ -354,8 +362,8 @@ void iwl_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq)
 		 * to an SKB, so we need to unmap and free potential storage */
 		if (rxq->pool[i].skb != NULL) {
 			pci_unmap_single(priv->pci_dev,
-					 rxq->pool[i].dma_addr,
-					 priv->hw_params.rx_buf_size,
+					 rxq->pool[i].real_dma_addr,
+					 priv->hw_params.rx_buf_size + 256,
 					 PCI_DMA_FROMDEVICE);
 			priv->alloc_rxb_skb--;
 			dev_kfree_skb(rxq->pool[i].skb);
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index 3b0bee331a3..c89365e2ca5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -896,6 +896,13 @@ static void iwl_bg_request_scan(struct work_struct *data)
 	return;
 
  done:
+	/* Cannot perform scan. Make sure we clear scanning
+	* bits from status so next scan request can be performed.
+	* If we don't clear scanning status bit here all next scan
+	* will fail
+	*/
+	clear_bit(STATUS_SCAN_HW, &priv->status);
+	clear_bit(STATUS_SCANNING, &priv->status);
 	/* inform mac80211 scan aborted */
 	queue_work(priv->workqueue, &priv->scan_completed);
 	mutex_unlock(&priv->mutex);
diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c
index 61797f3f8d5..26f7084d301 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.c
@@ -475,7 +475,7 @@ static int iwl_get_free_ucode_key_index(struct iwl_priv *priv)
 		if (!test_and_set_bit(i, &priv->ucode_key_table))
 			return i;
 
-	return -1;
+	return WEP_INVALID_OFFSET;
 }
 
 int iwl_send_static_wepkey_cmd(struct iwl_priv *priv, u8 send_if_empty)
@@ -620,6 +620,9 @@ static int iwl_set_wep_dynamic_key_info(struct iwl_priv *priv,
 	/* else, we are overriding an existing key => no need to allocated room
 	 * in uCode. */
 
+	WARN(priv->stations[sta_id].sta.key.key_offset == WEP_INVALID_OFFSET,
+		"no space for new kew");
+
 	priv->stations[sta_id].sta.key.key_flags = key_flags;
 	priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK;
 	priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
@@ -637,6 +640,7 @@ static int iwl_set_ccmp_dynamic_key_info(struct iwl_priv *priv,
 {
 	unsigned long flags;
 	__le16 key_flags = 0;
+	int ret;
 
 	key_flags |= (STA_KEY_FLG_CCMP | STA_KEY_FLG_MAP_KEY_MSK);
 	key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS);
@@ -664,14 +668,18 @@ static int iwl_set_ccmp_dynamic_key_info(struct iwl_priv *priv,
 	/* else, we are overriding an existing key => no need to allocated room
 	 * in uCode. */
 
+	WARN(priv->stations[sta_id].sta.key.key_offset == WEP_INVALID_OFFSET,
+		"no space for new kew");
+
 	priv->stations[sta_id].sta.key.key_flags = key_flags;
 	priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK;
 	priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
 
+	ret = iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
+
 	spin_unlock_irqrestore(&priv->sta_lock, flags);
 
-	IWL_DEBUG_INFO("hwcrypto: modify ucode station key info\n");
-	return iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
+	return ret;
 }
 
 static int iwl_set_tkip_dynamic_key_info(struct iwl_priv *priv,
@@ -696,6 +704,9 @@ static int iwl_set_tkip_dynamic_key_info(struct iwl_priv *priv,
 	/* else, we are overriding an existing key => no need to allocated room
 	 * in uCode. */
 
+	WARN(priv->stations[sta_id].sta.key.key_offset == WEP_INVALID_OFFSET,
+		"no space for new kew");
+
 	/* This copy is acutally not needed: we get the key with each TX */
 	memcpy(priv->stations[sta_id].keyinfo.key, keyconf->key, 16);
 
@@ -734,6 +745,13 @@ int iwl_remove_dynamic_key(struct iwl_priv *priv,
 		return 0;
 	}
 
+	if (priv->stations[sta_id].sta.key.key_offset == WEP_INVALID_OFFSET) {
+		IWL_WARNING("Removing wrong key %d 0x%x\n",
+			    keyconf->keyidx, key_flags);
+		spin_unlock_irqrestore(&priv->sta_lock, flags);
+		return 0;
+	}
+
 	if (!test_and_clear_bit(priv->stations[sta_id].sta.key.key_offset,
 		&priv->ucode_key_table))
 		IWL_ERROR("index %d not used in uCode key table.\n",
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index d15a2c99795..45a6b0c3569 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -5768,7 +5768,6 @@ static void iwl3945_alive_start(struct iwl3945_priv *priv)
 	if (priv->error_recovering)
 		iwl3945_error_recovery(priv);
 
-	ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC);
 	return;
 
  restart:
@@ -6256,6 +6255,11 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
 					      n_probes,
 			(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
 
+	if (scan->channel_count == 0) {
+		IWL_DEBUG_SCAN("channel count %d\n", scan->channel_count);
+		goto done;
+	}
+
 	cmd.len += le16_to_cpu(scan->tx_cmd.len) +
 	    scan->channel_count * sizeof(struct iwl3945_scan_channel);
 	cmd.data = scan;
@@ -6273,6 +6277,14 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
 	return;
 
  done:
+	/* can not perform scan make sure we clear scanning
+	 * bits from status so next scan request can be performed.
+	 * if we dont clear scanning status bit here all next scan
+	 * will fail
+	*/
+	clear_bit(STATUS_SCAN_HW, &priv->status);
+	clear_bit(STATUS_SCANNING, &priv->status);
+
 	/* inform mac80211 scan aborted */
 	queue_work(priv->workqueue, &priv->scan_completed);
 	mutex_unlock(&priv->mutex);
diff --git a/drivers/net/wireless/libertas_tf/if_usb.c b/drivers/net/wireless/libertas_tf/if_usb.c
index 1cc03a8dd67..59634c33b1f 100644
--- a/drivers/net/wireless/libertas_tf/if_usb.c
+++ b/drivers/net/wireless/libertas_tf/if_usb.c
@@ -331,7 +331,7 @@ static int __if_usb_submit_rx_urb(struct if_usb_card *cardp,
 	/* Fill the receive configuration URB and initialise the Rx call back */
 	usb_fill_bulk_urb(cardp->rx_urb, cardp->udev,
 			  usb_rcvbulkpipe(cardp->udev, cardp->ep_in),
-			  (void *) (skb->tail),
+			  skb_tail_pointer(skb),
 			  MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, cardp);
 
 	cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET;
diff --git a/drivers/net/wireless/rtl8187_dev.c b/drivers/net/wireless/rtl8187_dev.c
index 431e3c78bf2..69eb0132593 100644
--- a/drivers/net/wireless/rtl8187_dev.c
+++ b/drivers/net/wireless/rtl8187_dev.c
@@ -48,6 +48,9 @@ static struct usb_device_id rtl8187_table[] __devinitdata = {
 	{USB_DEVICE(0x03f0, 0xca02), .driver_info = DEVICE_RTL8187},
 	/* Sitecom */
 	{USB_DEVICE(0x0df6, 0x000d), .driver_info = DEVICE_RTL8187},
+	{USB_DEVICE(0x0df6, 0x0028), .driver_info = DEVICE_RTL8187B},
+	/* Abocom */
+	{USB_DEVICE(0x13d1, 0xabe6), .driver_info = DEVICE_RTL8187},
 	{}
 };
 
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index fe1867b25ff..cac732f4047 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -615,7 +615,7 @@ static int filter_ack(struct ieee80211_hw *hw, struct ieee80211_hdr *rx_hdr,
 		struct ieee80211_hdr *tx_hdr;
 
 		tx_hdr = (struct ieee80211_hdr *)skb->data;
-		if (likely(!compare_ether_addr(tx_hdr->addr2, rx_hdr->addr1)))
+		if (likely(!memcmp(tx_hdr->addr2, rx_hdr->addr1, ETH_ALEN)))
 		{
 			__skb_unlink(skb, q);
 			tx_status(hw, skb, IEEE80211_TX_STAT_ACK, stats->signal, 1);
diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c
index a60ae86bd5c..a3ccd8c1c71 100644
--- a/drivers/net/wireless/zd1211rw/zd_usb.c
+++ b/drivers/net/wireless/zd1211rw/zd_usb.c
@@ -61,6 +61,7 @@ static struct usb_device_id usb_ids[] = {
 	{ USB_DEVICE(0x0105, 0x145f), .driver_info = DEVICE_ZD1211 },
 	/* ZD1211B */
 	{ USB_DEVICE(0x0ace, 0x1215), .driver_info = DEVICE_ZD1211B },
+	{ USB_DEVICE(0x0ace, 0xb215), .driver_info = DEVICE_ZD1211B },
 	{ USB_DEVICE(0x157e, 0x300d), .driver_info = DEVICE_ZD1211B },
 	{ USB_DEVICE(0x079b, 0x0062), .driver_info = DEVICE_ZD1211B },
 	{ USB_DEVICE(0x1582, 0x6003), .driver_info = DEVICE_ZD1211B },
@@ -82,6 +83,7 @@ static struct usb_device_id usb_ids[] = {
 	{ USB_DEVICE(0x0cde, 0x001a), .driver_info = DEVICE_ZD1211B },
 	{ USB_DEVICE(0x0586, 0x340a), .driver_info = DEVICE_ZD1211B },
 	{ USB_DEVICE(0x0471, 0x1237), .driver_info = DEVICE_ZD1211B },
+	{ USB_DEVICE(0x07fa, 0x1196), .driver_info = DEVICE_ZD1211B },
 	/* "Driverless" devices that need ejecting */
 	{ USB_DEVICE(0x0ace, 0x2011), .driver_info = DEVICE_INSTALLER },
 	{ USB_DEVICE(0x0ace, 0x20ff), .driver_info = DEVICE_INSTALLER },