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

Conflicts:
	drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
	drivers/net/wireless/iwlwifi/pcie/tx.c

27 files changed, 148 insertions, 52 deletions

diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index fc2de5528dcc..b00000e8aef6 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -67,6 +67,7 @@ static struct usb_device_id ath3k_table[] = {
         { USB_DEVICE(0x13d3, 0x3304) },
         { USB_DEVICE(0x0930, 0x0215) },
         { USB_DEVICE(0x0489, 0xE03D) },
+        { USB_DEVICE(0x0489, 0xE027) },
 
         /* Atheros AR9285 Malbec with sflash firmware */
         { USB_DEVICE(0x03F0, 0x311D) },
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index debda27df9b0..ee82f2fb65f0 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -124,6 +124,7 @@ static struct usb_device_id blacklist_table[] = {
         { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
         { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
         { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
+        { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
 
         /* Atheros AR9285 Malbec with sflash firmware */
         { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 756191b9eeda..e06bcec655a7 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1456,7 +1456,7 @@ static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type)
         switch (type) {
         case ATH9K_RESET_POWER_ON:
                 ret = ath9k_hw_set_reset_power_on(ah);
-                if (!ret)
+                if (ret)
                         ah->reset_power_on = true;
                 break;
         case ATH9K_RESET_WARM:
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 1ffca7511fa8..741918a2027b 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -394,7 +394,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
         u16 seq_st = 0, acked_cnt = 0, txfail_cnt = 0, seq_first;
         u32 ba[WME_BA_BMP_SIZE >> 5];
         int isaggr, txfail, txpending, sendbar = 0, needreset = 0, nbad = 0;
-        bool rc_update = true;
+        bool rc_update = true, isba;
         struct ieee80211_tx_rate rates[4];
         struct ath_frame_info *fi;
         int nframes;
@@ -438,13 +438,17 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
         tidno = ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK;
         tid = ATH_AN_2_TID(an, tidno);
         seq_first = tid->seq_start;
+        isba = ts->ts_flags & ATH9K_TX_BA;
 
         /*
          * The hardware occasionally sends a tx status for the wrong TID.
          * In this case, the BA status cannot be considered valid and all
          * subframes need to be retransmitted
+         *
+         * Only BlockAcks have a TID and therefore normal Acks cannot be
+         * checked
          */
-        if (tidno != ts->tid)
+        if (isba && tidno != ts->tid)
                 txok = false;
 
         isaggr = bf_isaggr(bf);
diff --git a/drivers/net/wireless/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
index cb443d54f9b9..bf189f115413 100644
--- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
@@ -519,7 +519,7 @@ static void iwlagn_mac_tx(struct ieee80211_hw *hw,
                      ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate);
 
         if (iwlagn_tx_skb(priv, control->sta, skb))
-                dev_kfree_skb_any(skb);
+                ieee80211_free_txskb(hw, skb);
 }
 
 static void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw,
@@ -1352,6 +1352,20 @@ static int iwlagn_mac_add_interface(struct ieee80211_hw *hw,
         vif_priv->ctx = ctx;
         ctx->vif = vif;
 
+        /*
+         * In SNIFFER device type, the firmware reports the FCS to
+         * the host, rather than snipping it off. Unfortunately,
+         * mac80211 doesn't (yet) provide a per-packet flag for
+         * this, so that we have to set the hardware flag based
+         * on the interfaces added. As the monitor interface can
+         * only be present by itself, and will be removed before
+         * other interfaces are added, this is safe.
+         */
+        if (vif->type == NL80211_IFTYPE_MONITOR)
+                priv->hw->flags |= IEEE80211_HW_RX_INCLUDES_FCS;
+        else
+                priv->hw->flags &= ~IEEE80211_HW_RX_INCLUDES_FCS;
+
         err = iwl_setup_interface(priv, ctx);
         if (!err || reset)
                 goto out;
diff --git a/drivers/net/wireless/iwlwifi/dvm/main.c b/drivers/net/wireless/iwlwifi/dvm/main.c
index 03cbfa765f87..37bb4575ad8d 100644
--- a/drivers/net/wireless/iwlwifi/dvm/main.c
+++ b/drivers/net/wireless/iwlwifi/dvm/main.c
@@ -2107,7 +2107,7 @@ static void iwl_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb)
 
         info = IEEE80211_SKB_CB(skb);
         iwl_trans_free_tx_cmd(priv->trans, info->driver_data[1]);
-        dev_kfree_skb_any(skb);
+        ieee80211_free_txskb(priv->hw, skb);
 }
 
 static void iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c
index 11a93eddc84f..323079769567 100644
--- a/drivers/net/wireless/iwlwifi/pcie/rx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/rx.c
@@ -318,6 +318,14 @@ static void iwl_rx_allocate(struct iwl_trans *trans, gfp_t priority)
                         dma_map_page(trans->dev, page, 0,
                                      PAGE_SIZE << trans_pcie->rx_page_order,
                                      DMA_FROM_DEVICE);
+                if (dma_mapping_error(trans->dev, rxb->page_dma)) {
+                        rxb->page = NULL;
+                        spin_lock_irqsave(&rxq->lock, flags);
+                        list_add(&rxb->list, &rxq->rx_used);
+                        spin_unlock_irqrestore(&rxq->lock, flags);
+                        __free_pages(page, trans_pcie->rx_page_order);
+                        return;
+                }
                 /* dma address must be no more than 36 bits */
                 BUG_ON(rxb->page_dma & ~DMA_BIT_MASK(36));
                 /* and also 256 byte aligned! */
@@ -489,8 +497,19 @@ static void iwl_rx_handle_rxbuf(struct iwl_trans *trans,
                         dma_map_page(trans->dev, rxb->page, 0,
                                      PAGE_SIZE << trans_pcie->rx_page_order,
                                      DMA_FROM_DEVICE);
-                list_add_tail(&rxb->list, &rxq->rx_free);
-                rxq->free_count++;
+                if (dma_mapping_error(trans->dev, rxb->page_dma)) {
+                        /*
+                         * free the page(s) as well to not break
+                         * the invariant that the items on the used
+                         * list have no page(s)
+                         */
+                        __free_pages(rxb->page, trans_pcie->rx_page_order);
+                        rxb->page = NULL;
+                        list_add_tail(&rxb->list, &rxq->rx_used);
+                } else {
+                        list_add_tail(&rxb->list, &rxq->rx_free);
+                        rxq->free_count++;
+                }
         } else
                 list_add_tail(&rxb->list, &rxq->rx_used);
         spin_unlock_irqrestore(&rxq->lock, flags);
diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c
index c9528b3e9e9a..5f438e6c2155 100644
--- a/drivers/net/wireless/mwifiex/cmdevt.c
+++ b/drivers/net/wireless/mwifiex/cmdevt.c
@@ -890,9 +890,6 @@ mwifiex_cmd_timeout_func(unsigned long function_context)
                 return;
         }
         cmd_node = adapter->curr_cmd;
-        if (cmd_node->wait_q_enabled)
-                adapter->cmd_wait_q.status = -ETIMEDOUT;
-
         if (cmd_node) {
                 adapter->dbg.timeout_cmd_id =
                         adapter->dbg.last_cmd_id[adapter->dbg.last_cmd_index];
@@ -941,6 +938,14 @@ mwifiex_cmd_timeout_func(unsigned long function_context)
 
                 dev_err(adapter->dev, "ps_mode=%d ps_state=%d\n",
                         adapter->ps_mode, adapter->ps_state);
+
+                if (cmd_node->wait_q_enabled) {
+                        adapter->cmd_wait_q.status = -ETIMEDOUT;
+                        wake_up_interruptible(&adapter->cmd_wait_q.wait);
+                        mwifiex_cancel_pending_ioctl(adapter);
+                        /* reset cmd_sent flag to unblock new commands */
+                        adapter->cmd_sent = false;
+                }
         }
         if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING)
                 mwifiex_init_fw_complete(adapter);
diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c
index 4fbbd611f630..5a1c1d0e5599 100644
--- a/drivers/net/wireless/mwifiex/sdio.c
+++ b/drivers/net/wireless/mwifiex/sdio.c
@@ -161,7 +161,6 @@ static int mwifiex_sdio_suspend(struct device *dev)
         struct sdio_mmc_card *card;
         struct mwifiex_adapter *adapter;
         mmc_pm_flag_t pm_flag = 0;
-        int hs_actived = 0;
         int i;
         int ret = 0;
 
@@ -188,12 +187,14 @@ static int mwifiex_sdio_suspend(struct device *dev)
         adapter = card->adapter;
 
         /* Enable the Host Sleep */
-        hs_actived = mwifiex_enable_hs(adapter);
-        if (hs_actived) {
-                pr_debug("cmd: suspend with MMC_PM_KEEP_POWER\n");
-                ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
+        if (!mwifiex_enable_hs(adapter)) {
+                dev_err(adapter->dev, "cmd: failed to suspend\n");
+                return -EFAULT;
         }
 
+        dev_dbg(adapter->dev, "cmd: suspend with MMC_PM_KEEP_POWER\n");
+        ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
+
         /* Indicate device suspended */
         adapter->is_suspended = true;
 
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 3bc206d06cd1..c0441a715c96 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -2449,7 +2449,7 @@ static int rt2800_get_gain_calibration_delta(struct rt2x00_dev *rt2x00dev)
         /*
          * Check if temperature compensation is supported.
          */
-        if (tssi_bounds[4] == 0xff)
+        if (tssi_bounds[4] == 0xff || step == 0xff)
                 return 0;
 
         /*
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
index 9970c2b1b199..b7e6607e6b6d 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
@@ -297,6 +297,7 @@ static struct usb_device_id rtl8192c_usb_ids[] = {
         /*=== Customer ID ===*/
         /****** 8188CU ********/
         {RTL_USB_DEVICE(0x050d, 0x1102, rtl92cu_hal_cfg)}, /*Belkin - Edimax*/
+        {RTL_USB_DEVICE(0x050d, 0x11f2, rtl92cu_hal_cfg)}, /*Belkin - ISY*/
         {RTL_USB_DEVICE(0x06f8, 0xe033, rtl92cu_hal_cfg)}, /*Hercules - Edimax*/
         {RTL_USB_DEVICE(0x07b8, 0x8188, rtl92cu_hal_cfg)}, /*Abocom - Abocom*/
         {RTL_USB_DEVICE(0x07b8, 0x8189, rtl92cu_hal_cfg)}, /*Funai - Abocom*/
diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c
index 18e279d3e836..ada681b01a17 100644
--- a/drivers/nfc/pn533.c
+++ b/drivers/nfc/pn533.c
@@ -702,13 +702,14 @@ static void pn533_wq_cmd(struct work_struct *work)
 
         cmd = list_first_entry(&dev->cmd_queue, struct pn533_cmd, queue);
 
+        list_del(&cmd->queue);
+
         mutex_unlock(&dev->cmd_lock);
 
         __pn533_send_cmd_frame_async(dev, cmd->out_frame, cmd->in_frame,
                                      cmd->in_frame_len, cmd->cmd_complete,
                                      cmd->arg, cmd->flags);
 
-        list_del(&cmd->queue);
         kfree(cmd);
 }
 
@@ -1680,11 +1681,14 @@ static void pn533_deactivate_target(struct nfc_dev *nfc_dev,
 static int pn533_in_dep_link_up_complete(struct pn533 *dev, void *arg,
                                                 u8 *params, int params_len)
 {
-        struct pn533_cmd_jump_dep *cmd;
         struct pn533_cmd_jump_dep_response *resp;
         struct nfc_target nfc_target;
         u8 target_gt_len;
         int rc;
+        struct pn533_cmd_jump_dep *cmd = (struct pn533_cmd_jump_dep *)arg;
+        u8 active = cmd->active;
+
+        kfree(arg);
 
         if (params_len == -ENOENT) {
                 nfc_dev_dbg(&dev->interface->dev, "");
@@ -1706,7 +1710,6 @@ static int pn533_in_dep_link_up_complete(struct pn533 *dev, void *arg,
         }
 
         resp = (struct pn533_cmd_jump_dep_response *) params;
-        cmd = (struct pn533_cmd_jump_dep *) arg;
         rc = resp->status & PN533_CMD_RET_MASK;
         if (rc != PN533_CMD_RET_SUCCESS) {
                 nfc_dev_err(&dev->interface->dev,
@@ -1736,7 +1739,7 @@ static int pn533_in_dep_link_up_complete(struct pn533 *dev, void *arg,
         if (rc == 0)
                 rc = nfc_dep_link_is_up(dev->nfc_dev,
                                                 dev->nfc_dev->targets[0].idx,
-                                                !cmd->active, NFC_RF_INITIATOR);
+                                                !active, NFC_RF_INITIATOR);
 
         return 0;
 }
@@ -1821,12 +1824,8 @@ static int pn533_dep_link_up(struct nfc_dev *nfc_dev, struct nfc_target *target,
         rc = pn533_send_cmd_frame_async(dev, dev->out_frame, dev->in_frame,
                                 dev->in_maxlen, pn533_in_dep_link_up_complete,
                                 cmd, GFP_KERNEL);
-        if (rc)
-                goto out;
-
-
-out:
-        kfree(cmd);
+        if (rc < 0)
+                kfree(cmd);
 
         return rc;
 }
@@ -2080,8 +2079,12 @@ error:
 static int pn533_tm_send_complete(struct pn533 *dev, void *arg,
                                   u8 *params, int params_len)
 {
+        struct sk_buff *skb_out = arg;
+
         nfc_dev_dbg(&dev->interface->dev, "%s", __func__);
 
+        dev_kfree_skb(skb_out);
+
         if (params_len < 0) {
                 nfc_dev_err(&dev->interface->dev,
                             "Error %d when sending data",
@@ -2119,7 +2122,7 @@ static int pn533_tm_send(struct nfc_dev *nfc_dev, struct sk_buff *skb)
 
         rc = pn533_send_cmd_frame_async(dev, out_frame, dev->in_frame,
                                         dev->in_maxlen, pn533_tm_send_complete,
-                                        NULL, GFP_KERNEL);
+                                        skb, GFP_KERNEL);
         if (rc) {
                 nfc_dev_err(&dev->interface->dev,
                             "Error %d when trying to send data", rc);
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 515d0c394f35..c68c4098da98 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1717,11 +1717,11 @@ int hci_register_dev(struct hci_dev *hdev)
         if (hdev->dev_type != HCI_AMP)
                 set_bit(HCI_AUTO_OFF, &hdev->dev_flags);
 
-        schedule_work(&hdev->power_on);
-
         hci_notify(hdev, HCI_DEV_REG);
         hci_dev_hold(hdev);
 
+        schedule_work(&hdev->power_on);
+
         return id;
 
 err_wqueue:
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index a1a62baaaafb..a97948b96b49 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -326,7 +326,7 @@ static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
         struct hci_dev *d;
         size_t rp_len;
         u16 count;
-        int i, err;
+        int err;
 
         BT_DBG("sock %p", sk);
 
@@ -347,9 +347,7 @@ static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
                 return -ENOMEM;
         }
 
-        rp->num_controllers = cpu_to_le16(count);
-
-        i = 0;
+        count = 0;
         list_for_each_entry(d, &hci_dev_list, list) {
                 if (test_bit(HCI_SETUP, &d->dev_flags))
                         continue;
@@ -357,10 +355,13 @@ static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
                 if (!mgmt_valid_hdev(d))
                         continue;
 
-                rp->index[i++] = cpu_to_le16(d->id);
+                rp->index[count++] = cpu_to_le16(d->id);
                 BT_DBG("Added hci%u", d->id);
         }
 
+        rp->num_controllers = cpu_to_le16(count);
+        rp_len = sizeof(*rp) + (2 * count);
+
         read_unlock(&hci_dev_list_lock);
 
         err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST, 0, rp,
@@ -1378,6 +1379,7 @@ static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
                         continue;
 
                 list_del(&match->list);
+                kfree(match);
                 found++;
         }
 
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 9176bc17595c..68a9587c9694 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -267,7 +267,7 @@ static void smp_failure(struct l2cap_conn *conn, u8 reason, u8 send)
 
         clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->hcon->flags);
         mgmt_auth_failed(conn->hcon->hdev, conn->dst, hcon->type,
-                         hcon->dst_type, reason);
+                         hcon->dst_type, HCI_ERROR_AUTH_FAILURE);
 
         cancel_delayed_work_sync(&conn->security_timer);
 
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index bcf02f608cbf..017a8bacfb27 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -429,6 +429,17 @@ static struct attribute_group netstat_group = {
         .name  = "statistics",
         .attrs  = netstat_attrs,
 };
+
+#if IS_ENABLED(CONFIG_WIRELESS_EXT) || IS_ENABLED(CONFIG_CFG80211)
+static struct attribute *wireless_attrs[] = {
+        NULL
+};
+
+static struct attribute_group wireless_group = {
+        .name = "wireless",
+        .attrs = wireless_attrs,
+};
+#endif
 #endif /* CONFIG_SYSFS */
 
 #ifdef CONFIG_RPS
@@ -1409,6 +1420,15 @@ int netdev_register_kobject(struct net_device *net)
                 groups++;
 
         *groups++ = &netstat_group;
+
+#if IS_ENABLED(CONFIG_WIRELESS_EXT) || IS_ENABLED(CONFIG_CFG80211)
+        if (net->ieee80211_ptr)
+                *groups++ = &wireless_group;
+#if IS_ENABLED(CONFIG_WIRELESS_EXT)
+        else if (net->wireless_handlers)
+                *groups++ = &wireless_group;
+#endif
+#endif
 #endif /* CONFIG_SYSFS */
 
         error = device_add(dev);
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 80e0618b25ba..c46d4ee1c298 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2673,6 +2673,9 @@ static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
                 else
                         local->probe_req_reg--;
 
+                if (!local->open_count)
+                        break;
+
                 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
                 break;
         default:
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index c7386b2b767e..67774b053535 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -1156,10 +1156,6 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata)
 
         mutex_lock(&sdata->u.ibss.mtx);
 
-        sdata->u.ibss.state = IEEE80211_IBSS_MLME_SEARCH;
-        memset(sdata->u.ibss.bssid, 0, ETH_ALEN);
-        sdata->u.ibss.ssid_len = 0;
-
         active_ibss = ieee80211_sta_active_ibss(sdata);
 
         if (!active_ibss && !is_zero_ether_addr(ifibss->bssid)) {
@@ -1180,6 +1176,10 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata)
                 }
         }
 
+        ifibss->state = IEEE80211_IBSS_MLME_SEARCH;
+        memset(ifibss->bssid, 0, ETH_ALEN);
+        ifibss->ssid_len = 0;
+
         sta_info_flush(sdata->local, sdata);
 
         spin_lock_bh(&ifibss->incomplete_lock);
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index e1fb97cc9a41..74748896d77b 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1388,6 +1388,8 @@ netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb,
                                          struct net_device *dev);
 netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
                                        struct net_device *dev);
+void ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
+                              struct sk_buff_head *skbs);
 
 /* HT */
 void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 70e87600cacc..da2f41610125 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -925,8 +925,10 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
                                 local->hw.wiphy->cipher_suites,
                                 sizeof(u32) * local->hw.wiphy->n_cipher_suites,
                                 GFP_KERNEL);
-                        if (!suites)
-                                return -ENOMEM;
+                        if (!suites) {
+                                result = -ENOMEM;
+                                goto fail_wiphy_register;
+                        }
                         for (r = 0; r < local->hw.wiphy->n_cipher_suites; r++) {
                                 u32 suite = local->hw.wiphy->cipher_suites[r];
                                 if (suite == WLAN_CIPHER_SUITE_WEP40 ||
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 13d23299e696..8e9bb168b73b 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -934,7 +934,7 @@ int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
                                        struct cfg80211_sched_scan_request *req)
 {
         struct ieee80211_local *local = sdata->local;
-        struct ieee80211_sched_scan_ies sched_scan_ies;
+        struct ieee80211_sched_scan_ies sched_scan_ies = {};
         int ret, i;
 
         mutex_lock(&local->mtx);
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index f7bb54f9ab72..e9d57689c05f 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -122,8 +122,8 @@ static void free_sta_work(struct work_struct *wk)
 
         for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
                 local->total_ps_buffered -= skb_queue_len(&sta->ps_tx_buf[ac]);
-                __skb_queue_purge(&sta->ps_tx_buf[ac]);
-                __skb_queue_purge(&sta->tx_filtered[ac]);
+                ieee80211_purge_tx_queue(&local->hw, &sta->ps_tx_buf[ac]);
+                ieee80211_purge_tx_queue(&local->hw, &sta->tx_filtered[ac]);
         }
 
 #ifdef CONFIG_MAC80211_MESH
@@ -146,7 +146,7 @@ static void free_sta_work(struct work_struct *wk)
                 tid_tx = rcu_dereference_raw(sta->ampdu_mlme.tid_tx[i]);
                 if (!tid_tx)
                         continue;
-                __skb_queue_purge(&tid_tx->pending);
+                ieee80211_purge_tx_queue(&local->hw, &tid_tx->pending);
                 kfree(tid_tx);
         }
 
@@ -982,6 +982,7 @@ void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta)
         struct ieee80211_local *local = sdata->local;
         struct sk_buff_head pending;
         int filtered = 0, buffered = 0, ac;
+        unsigned long flags;
 
         clear_sta_flag(sta, WLAN_STA_SP);
 
@@ -997,12 +998,16 @@ void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta)
         for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
                 int count = skb_queue_len(&pending), tmp;
 
+                spin_lock_irqsave(&sta->tx_filtered[ac].lock, flags);
                 skb_queue_splice_tail_init(&sta->tx_filtered[ac], &pending);
+                spin_unlock_irqrestore(&sta->tx_filtered[ac].lock, flags);
                 tmp = skb_queue_len(&pending);
                 filtered += tmp - count;
                 count = tmp;
 
+                spin_lock_irqsave(&sta->ps_tx_buf[ac].lock, flags);
                 skb_queue_splice_tail_init(&sta->ps_tx_buf[ac], &pending);
+                spin_unlock_irqrestore(&sta->ps_tx_buf[ac].lock, flags);
                 tmp = skb_queue_len(&pending);
                 buffered += tmp - count;
         }
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 2d931ad0e90a..ab63237107c8 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -666,3 +666,12 @@ void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb)
         dev_kfree_skb_any(skb);
 }
 EXPORT_SYMBOL(ieee80211_free_txskb);
+
+void ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
+                              struct sk_buff_head *skbs)
+{
+        struct sk_buff *skb;
+
+        while ((skb = __skb_dequeue(skbs)))
+                ieee80211_free_txskb(hw, skb);
+}
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index b5468876287e..04076250264b 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1361,7 +1361,7 @@ static int invoke_tx_handlers(struct ieee80211_tx_data *tx)
                 if (tx->skb)
                         ieee80211_free_txskb(&tx->local->hw, tx->skb);
                 else
-                        __skb_queue_purge(&tx->skbs);
+                        ieee80211_purge_tx_queue(&tx->local->hw, &tx->skbs);
                 return -1;
         } else if (unlikely(res == TX_QUEUED)) {
                 I802_DEBUG_INC(tx->local->tx_handlers_queued);
@@ -2161,10 +2161,13 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
  */
 void ieee80211_clear_tx_pending(struct ieee80211_local *local)
 {
+        struct sk_buff *skb;
         int i;
 
-        for (i = 0; i < local->hw.queues; i++)
-                skb_queue_purge(&local->pending[i]);
+        for (i = 0; i < local->hw.queues; i++) {
+                while ((skb = skb_dequeue(&local->pending[i])) != NULL)
+                        ieee80211_free_txskb(&local->hw, skb);
+        }
 }
 
 /*
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 4e4f58513673..c4a60bfb9f14 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1555,6 +1555,8 @@ int ieee80211_reconfig(struct ieee80211_local *local)
                 list_for_each_entry(sdata, &local->interfaces, list) {
                         if (sdata->vif.type != NL80211_IFTYPE_STATION)
                                 continue;
+                        if (!sdata->u.mgd.associated)
+                                continue;
 
                         ieee80211_send_nullfunc(local, sdata, 0);
                 }
diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c
index 66733335345f..2df87056c6df 100644
--- a/net/nfc/llcp/llcp.c
+++ b/net/nfc/llcp/llcp.c
@@ -1397,7 +1397,7 @@ int nfc_llcp_register_device(struct nfc_dev *ndev)
         local->remote_miu = LLCP_DEFAULT_MIU;
         local->remote_lto = LLCP_DEFAULT_LTO;
 
-        list_add(&llcp_devices, &local->list);
+        list_add(&local->list, &llcp_devices);
 
         return 0;
 }
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index bcc7d7ee5a51..b75756b05af7 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -141,9 +141,8 @@ static const struct ieee80211_regdomain world_regdom = {
         .reg_rules = {
                 /* IEEE 802.11b/g, channels 1..11 */
                 REG_RULE(2412-10, 2462+10, 40, 6, 20, 0),
-                /* IEEE 802.11b/g, channels 12..13. No HT40
-                 * channel fits here. */
-                REG_RULE(2467-10, 2472+10, 20, 6, 20,
+                /* IEEE 802.11b/g, channels 12..13. */
+                REG_RULE(2467-10, 2472+10, 40, 6, 20,
                         NL80211_RRF_PASSIVE_SCAN |
                         NL80211_RRF_NO_IBSS),
                 /* IEEE 802.11 channel 14 - Only JP enables