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

Conflicts:
	drivers/net/wireless/rt2x00/rt2x00pci.c

26 files changed, 460 insertions, 347 deletions

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 2d25148..1bf52c8 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -280,6 +280,10 @@ static int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan)
 	if (r) {
 		ath_err(common,
 			"Unable to reset channel, reset status %d\n", r);
+
+		ath9k_hw_enable_interrupts(ah);
+		ath9k_queue_reset(sc, RESET_TYPE_BB_HANG);
+
 		goto out;
 	}
 
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
index c1cab40..4ff2d3c 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
@@ -3303,15 +3303,15 @@ static int _brcmf_sdbrcm_download_firmware(struct brcmf_sdio *bus)
 		goto err;
 	}
 
-	/* External image takes precedence if specified */
 	if (brcmf_sdbrcm_download_code_file(bus)) {
 		brcmf_err("dongle image file download failed\n");
 		goto err;
 	}
 
-	/* External nvram takes precedence if specified */
-	if (brcmf_sdbrcm_download_nvram(bus))
+	if (brcmf_sdbrcm_download_nvram(bus)) {
 		brcmf_err("dongle nvram file download failed\n");
+		goto err;
+	}
 
 	/* Take arm out of reset */
 	if (brcmf_sdbrcm_download_state(bus, false)) {
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
index 7eb01e0..6269920 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
@@ -1844,8 +1844,10 @@ static s32
 brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev,
 	      u8 key_idx, const u8 *mac_addr, struct key_params *params)
 {
+	struct brcmf_if *ifp = netdev_priv(ndev);
 	struct brcmf_wsec_key key;
 	s32 err = 0;
+	u8 keybuf[8];
 
 	memset(&key, 0, sizeof(key));
 	key.index = (u32) key_idx;
@@ -1869,8 +1871,9 @@ brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev,
 		brcmf_dbg(CONN, "Setting the key index %d\n", key.index);
 		memcpy(key.data, params->key, key.len);
 
-		if (params->cipher == WLAN_CIPHER_SUITE_TKIP) {
-			u8 keybuf[8];
+		if ((ifp->vif->mode != WL_MODE_AP) &&
+		    (params->cipher == WLAN_CIPHER_SUITE_TKIP)) {
+			brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
 			memcpy(keybuf, &key.data[24], sizeof(keybuf));
 			memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
 			memcpy(&key.data[16], keybuf, sizeof(keybuf));
@@ -1966,7 +1969,7 @@ brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
 		break;
 	case WLAN_CIPHER_SUITE_TKIP:
 		if (ifp->vif->mode != WL_MODE_AP) {
-			brcmf_dbg(CONN, "Swapping key\n");
+			brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
 			memcpy(keybuf, &key.data[24], sizeof(keybuf));
 			memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
 			memcpy(&key.data[16], keybuf, sizeof(keybuf));
@@ -2071,8 +2074,7 @@ brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
 		err = -EAGAIN;
 		goto done;
 	}
-	switch (wsec & ~SES_OW_ENABLED) {
-	case WEP_ENABLED:
+	if (wsec & WEP_ENABLED) {
 		sec = &profile->sec;
 		if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) {
 			params.cipher = WLAN_CIPHER_SUITE_WEP40;
@@ -2081,16 +2083,13 @@ brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
 			params.cipher = WLAN_CIPHER_SUITE_WEP104;
 			brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
 		}
-		break;
-	case TKIP_ENABLED:
+	} else if (wsec & TKIP_ENABLED) {
 		params.cipher = WLAN_CIPHER_SUITE_TKIP;
 		brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
-		break;
-	case AES_ENABLED:
+	} else if (wsec & AES_ENABLED) {
 		params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
 		brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
-		break;
-	default:
+	} else  {
 		brcmf_err("Invalid algo (0x%x)\n", wsec);
 		err = -EINVAL;
 		goto done;
@@ -3774,8 +3773,9 @@ exit:
 static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
 {
 	struct brcmf_if *ifp = netdev_priv(ndev);
-	s32 err = -EPERM;
+	s32 err;
 	struct brcmf_fil_bss_enable_le bss_enable;
+	struct brcmf_join_params join_params;
 
 	brcmf_dbg(TRACE, "Enter\n");
 
@@ -3783,16 +3783,21 @@ static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
 		/* Due to most likely deauths outstanding we sleep */
 		/* first to make sure they get processed by fw. */
 		msleep(400);
-		err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0);
-		if (err < 0) {
-			brcmf_err("setting AP mode failed %d\n", err);
-			goto exit;
-		}
+
+		memset(&join_params, 0, sizeof(join_params));
+		err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
+					     &join_params, sizeof(join_params));
+		if (err < 0)
+			brcmf_err("SET SSID error (%d)\n", err);
 		err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
-		if (err < 0) {
+		if (err < 0)
 			brcmf_err("BRCMF_C_UP error %d\n", err);
-			goto exit;
-		}
+		err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0);
+		if (err < 0)
+			brcmf_err("setting AP mode failed %d\n", err);
+		err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 0);
+		if (err < 0)
+			brcmf_err("setting INFRA mode failed %d\n", err);
 	} else {
 		bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx);
 		bss_enable.enable = cpu_to_le32(0);
@@ -3805,7 +3810,6 @@ static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
 	set_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
 	clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
 
-exit:
 	return err;
 }
 
diff --git a/drivers/net/wireless/iwlwifi/dvm/rxon.c b/drivers/net/wireless/iwlwifi/dvm/rxon.c
index 23be948..a82b6b3 100644
--- a/drivers/net/wireless/iwlwifi/dvm/rxon.c
+++ b/drivers/net/wireless/iwlwifi/dvm/rxon.c
@@ -1419,6 +1419,14 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
 
 	mutex_lock(&priv->mutex);
 
+	if (changes & BSS_CHANGED_IDLE && bss_conf->idle) {
+		/*
+		 * If we go idle, then clearly no "passive-no-rx"
+		 * workaround is needed any more, this is a reset.
+		 */
+		iwlagn_lift_passive_no_rx(priv);
+	}
+
 	if (unlikely(!iwl_is_ready(priv))) {
 		IWL_DEBUG_MAC80211(priv, "leave - not ready\n");
 		mutex_unlock(&priv->mutex);
@@ -1450,16 +1458,6 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
 			priv->timestamp = bss_conf->sync_tsf;
 			ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
 		} else {
-			/*
-			 * If we disassociate while there are pending
-			 * frames, just wake up the queues and let the
-			 * frames "escape" ... This shouldn't really
-			 * be happening to start with, but we should
-			 * not get stuck in this case either since it
-			 * can happen if userspace gets confused.
-			 */
-			iwlagn_lift_passive_no_rx(priv);
-
 			ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
 
 			if (ctx->ctxid == IWL_RXON_CTX_BSS)
diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c
index cc1e0c1..70b7f68 100644
--- a/drivers/net/wireless/iwlwifi/dvm/tx.c
+++ b/drivers/net/wireless/iwlwifi/dvm/tx.c
@@ -1193,7 +1193,7 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
 			memset(&info->status, 0, sizeof(info->status));
 
 			if (status == TX_STATUS_FAIL_PASSIVE_NO_RX &&
-			    iwl_is_associated_ctx(ctx) && ctx->vif &&
+			    ctx->vif &&
 			    ctx->vif->type == NL80211_IFTYPE_STATION) {
 				/* block and stop all queues */
 				priv->passive_no_rx = true;
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 8f161e1..4701294 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -1904,7 +1904,8 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy,
 		}
 	}
 
-	for (i = 0; i < request->n_channels; i++) {
+	for (i = 0; i < min_t(u32, request->n_channels,
+			      MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
 		chan = request->channels[i];
 		priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
 		priv->user_scan_cfg->chan_list[i].radio_type = chan->band;
diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index d215b4d..e7f6dea 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -1393,8 +1393,10 @@ int mwifiex_scan_networks(struct mwifiex_private *priv,
 			queue_work(adapter->workqueue, &adapter->main_work);
 
 			/* Perform internal scan synchronously */
-			if (!priv->scan_request)
+			if (!priv->scan_request) {
+				dev_dbg(adapter->dev, "wait internal scan\n");
 				mwifiex_wait_queue_complete(adapter, cmd_node);
+			}
 		} else {
 			spin_unlock_irqrestore(&adapter->scan_pending_q_lock,
 					       flags);
@@ -1793,7 +1795,12 @@ check_next_scan:
 		/* Need to indicate IOCTL complete */
 		if (adapter->curr_cmd->wait_q_enabled) {
 			adapter->cmd_wait_q.status = 0;
-			mwifiex_complete_cmd(adapter, adapter->curr_cmd);
+			if (!priv->scan_request) {
+				dev_dbg(adapter->dev,
+					"complete internal scan\n");
+				mwifiex_complete_cmd(adapter,
+						     adapter->curr_cmd);
+			}
 		}
 		if (priv->report_scan_result)
 			priv->report_scan_result = false;
diff --git a/drivers/net/wireless/rt2x00/Kconfig b/drivers/net/wireless/rt2x00/Kconfig
index ffe61d5..9b915d3 100644
--- a/drivers/net/wireless/rt2x00/Kconfig
+++ b/drivers/net/wireless/rt2x00/Kconfig
@@ -20,6 +20,7 @@ if RT2X00
 config RT2400PCI
 	tristate "Ralink rt2400 (PCI/PCMCIA) support"
 	depends on PCI
+	select RT2X00_LIB_MMIO
 	select RT2X00_LIB_PCI
 	select EEPROM_93CX6
 	---help---
@@ -31,6 +32,7 @@ config RT2400PCI
 config RT2500PCI
 	tristate "Ralink rt2500 (PCI/PCMCIA) support"
 	depends on PCI
+	select RT2X00_LIB_MMIO
 	select RT2X00_LIB_PCI
 	select EEPROM_93CX6
 	---help---
@@ -43,6 +45,7 @@ config RT61PCI
 	tristate "Ralink rt2501/rt61 (PCI/PCMCIA) support"
 	depends on PCI
 	select RT2X00_LIB_PCI
+	select RT2X00_LIB_MMIO
 	select RT2X00_LIB_FIRMWARE
 	select RT2X00_LIB_CRYPTO
 	select CRC_ITU_T
@@ -57,6 +60,7 @@ config RT2800PCI
 	tristate "Ralink rt27xx/rt28xx/rt30xx (PCI/PCIe/PCMCIA) support"
 	depends on PCI || SOC_RT288X || SOC_RT305X
 	select RT2800_LIB
+	select RT2X00_LIB_MMIO
 	select RT2X00_LIB_PCI if PCI
 	select RT2X00_LIB_SOC if SOC_RT288X || SOC_RT305X
 	select RT2X00_LIB_FIRMWARE
@@ -192,6 +196,9 @@ endif
 config RT2800_LIB
 	tristate
 
+config RT2X00_LIB_MMIO
+	tristate
+
 config RT2X00_LIB_PCI
 	tristate
 	select RT2X00_LIB
diff --git a/drivers/net/wireless/rt2x00/Makefile b/drivers/net/wireless/rt2x00/Makefile
index 349d5b8..f069d8b 100644
--- a/drivers/net/wireless/rt2x00/Makefile
+++ b/drivers/net/wireless/rt2x00/Makefile
@@ -9,6 +9,7 @@ rt2x00lib-$(CONFIG_RT2X00_LIB_FIRMWARE)	+= rt2x00firmware.o
 rt2x00lib-$(CONFIG_RT2X00_LIB_LEDS)	+= rt2x00leds.o
 
 obj-$(CONFIG_RT2X00_LIB)		+= rt2x00lib.o
+obj-$(CONFIG_RT2X00_LIB_MMIO)		+= rt2x00mmio.o
 obj-$(CONFIG_RT2X00_LIB_PCI)		+= rt2x00pci.o
 obj-$(CONFIG_RT2X00_LIB_SOC)		+= rt2x00soc.o
 obj-$(CONFIG_RT2X00_LIB_USB)		+= rt2x00usb.o
diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index 221beaa..dcfb54e 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -34,6 +34,7 @@
 #include <linux/slab.h>
 
 #include "rt2x00.h"
+#include "rt2x00mmio.h"
 #include "rt2x00pci.h"
 #include "rt2400pci.h"
 
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index 39edc59..e1d2dc9 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -34,6 +34,7 @@
 #include <linux/slab.h>
 
 #include "rt2x00.h"
+#include "rt2x00mmio.h"
 #include "rt2x00pci.h"
 #include "rt2500pci.h"
 
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index f732ded..565a80d 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -41,6 +41,7 @@
 #include <linux/eeprom_93cx6.h>
 
 #include "rt2x00.h"
+#include "rt2x00mmio.h"
 #include "rt2x00pci.h"
 #include "rt2x00soc.h"
 #include "rt2800lib.h"
diff --git a/drivers/net/wireless/rt2x00/rt2x00mmio.c b/drivers/net/wireless/rt2x00/rt2x00mmio.c
new file mode 100644
index 0000000..d84a680
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00mmio.c
@@ -0,0 +1,216 @@
+/*
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
+	<http://rt2x00.serialmonkey.com>
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the
+	Free Software Foundation, Inc.,
+	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+	Module: rt2x00mmio
+	Abstract: rt2x00 generic mmio device routines.
+ */
+
+#include <linux/dma-mapping.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+
+#include "rt2x00.h"
+#include "rt2x00mmio.h"
+
+/*
+ * Register access.
+ */
+int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
+			   const unsigned int offset,
+			   const struct rt2x00_field32 field,
+			   u32 *reg)
+{
+	unsigned int i;
+
+	if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
+		return 0;
+
+	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+		rt2x00pci_register_read(rt2x00dev, offset, reg);
+		if (!rt2x00_get_field32(*reg, field))
+			return 1;
+		udelay(REGISTER_BUSY_DELAY);
+	}
+
+	printk_once(KERN_ERR "%s() Indirect register access failed: "
+	      "offset=0x%.08x, value=0x%.08x\n", __func__, offset, *reg);
+	*reg = ~0;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(rt2x00pci_regbusy_read);
+
+bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev)
+{
+	struct data_queue *queue = rt2x00dev->rx;
+	struct queue_entry *entry;
+	struct queue_entry_priv_pci *entry_priv;
+	struct skb_frame_desc *skbdesc;
+	int max_rx = 16;
+
+	while (--max_rx) {
+		entry = rt2x00queue_get_entry(queue, Q_INDEX);
+		entry_priv = entry->priv_data;
+
+		if (rt2x00dev->ops->lib->get_entry_state(entry))
+			break;
+
+		/*
+		 * Fill in desc fields of the skb descriptor
+		 */
+		skbdesc = get_skb_frame_desc(entry->skb);
+		skbdesc->desc = entry_priv->desc;
+		skbdesc->desc_len = entry->queue->desc_size;
+
+		/*
+		 * DMA is already done, notify rt2x00lib that
+		 * it finished successfully.
+		 */
+		rt2x00lib_dmastart(entry);
+		rt2x00lib_dmadone(entry);
+
+		/*
+		 * Send the frame to rt2x00lib for further processing.
+		 */
+		rt2x00lib_rxdone(entry, GFP_ATOMIC);
+	}
+
+	return !max_rx;
+}
+EXPORT_SYMBOL_GPL(rt2x00pci_rxdone);
+
+void rt2x00pci_flush_queue(struct data_queue *queue, bool drop)
+{
+	unsigned int i;
+
+	for (i = 0; !rt2x00queue_empty(queue) && i < 10; i++)
+		msleep(10);
+}
+EXPORT_SYMBOL_GPL(rt2x00pci_flush_queue);
+
+/*
+ * Device initialization handlers.
+ */
+static int rt2x00pci_alloc_queue_dma(struct rt2x00_dev *rt2x00dev,
+				     struct data_queue *queue)
+{
+	struct queue_entry_priv_pci *entry_priv;
+	void *addr;
+	dma_addr_t dma;
+	unsigned int i;
+
+	/*
+	 * Allocate DMA memory for descriptor and buffer.
+	 */
+	addr = dma_alloc_coherent(rt2x00dev->dev,
+				  queue->limit * queue->desc_size,
+				  &dma, GFP_KERNEL);
+	if (!addr)
+		return -ENOMEM;
+
+	memset(addr, 0, queue->limit * queue->desc_size);
+
+	/*
+	 * Initialize all queue entries to contain valid addresses.
+	 */
+	for (i = 0; i < queue->limit; i++) {
+		entry_priv = queue->entries[i].priv_data;
+		entry_priv->desc = addr + i * queue->desc_size;
+		entry_priv->desc_dma = dma + i * queue->desc_size;
+	}
+
+	return 0;
+}
+
+static void rt2x00pci_free_queue_dma(struct rt2x00_dev *rt2x00dev,
+				     struct data_queue *queue)
+{
+	struct queue_entry_priv_pci *entry_priv =
+	    queue->entries[0].priv_data;
+
+	if (entry_priv->desc)
+		dma_free_coherent(rt2x00dev->dev,
+				  queue->limit * queue->desc_size,
+				  entry_priv->desc, entry_priv->desc_dma);
+	entry_priv->desc = NULL;
+}
+
+int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev)
+{
+	struct data_queue *queue;
+	int status;
+
+	/*
+	 * Allocate DMA
+	 */
+	queue_for_each(rt2x00dev, queue) {
+		status = rt2x00pci_alloc_queue_dma(rt2x00dev, queue);
+		if (status)
+			goto exit;
+	}
+
+	/*
+	 * Register interrupt handler.
+	 */
+	status = request_irq(rt2x00dev->irq,
+			     rt2x00dev->ops->lib->irq_handler,
+			     IRQF_SHARED, rt2x00dev->name, rt2x00dev);
+	if (status) {
+		ERROR(rt2x00dev, "IRQ %d allocation failed (error %d).\n",
+		      rt2x00dev->irq, status);
+		goto exit;
+	}
+
+	return 0;
+
+exit:
+	queue_for_each(rt2x00dev, queue)
+		rt2x00pci_free_queue_dma(rt2x00dev, queue);
+
+	return status;
+}
+EXPORT_SYMBOL_GPL(rt2x00pci_initialize);
+
+void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev)
+{
+	struct data_queue *queue;
+
+	/*
+	 * Free irq line.
+	 */
+	free_irq(rt2x00dev->irq, rt2x00dev);
+
+	/*
+	 * Free DMA
+	 */
+	queue_for_each(rt2x00dev, queue)
+		rt2x00pci_free_queue_dma(rt2x00dev, queue);
+}
+EXPORT_SYMBOL_GPL(rt2x00pci_uninitialize);
+
+/*
+ * rt2x00mmio module information.
+ */
+MODULE_AUTHOR(DRV_PROJECT);
+MODULE_VERSION(DRV_VERSION);
+MODULE_DESCRIPTION("rt2x00 mmio library");
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/wireless/rt2x00/rt2x00mmio.h b/drivers/net/wireless/rt2x00/rt2x00mmio.h
new file mode 100644
index 0000000..4ecaf60
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00mmio.h
@@ -0,0 +1,119 @@
+/*
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
+	<http://rt2x00.serialmonkey.com>
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the
+	Free Software Foundation, Inc.,
+	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+	Module: rt2x00mmio
+	Abstract: Data structures for the rt2x00mmio module.
+ */
+
+#ifndef RT2X00MMIO_H
+#define RT2X00MMIO_H
+
+#include <linux/io.h>
+
+/*
+ * Register access.
+ */
+static inline void rt2x00pci_register_read(struct rt2x00_dev *rt2x00dev,
+					   const unsigned int offset,
+					   u32 *value)
+{
+	*value = readl(rt2x00dev->csr.base + offset);
+}
+
+static inline void rt2x00pci_register_multiread(struct rt2x00_dev *rt2x00dev,
+						const unsigned int offset,
+						void *value, const u32 length)
+{
+	memcpy_fromio(value, rt2x00dev->csr.base + offset, length);
+}
+
+static inline void rt2x00pci_register_write(struct rt2x00_dev *rt2x00dev,
+					    const unsigned int offset,
+					    u32 value)
+{
+	writel(value, rt2x00dev->csr.base + offset);
+}
+
+static inline void rt2x00pci_register_multiwrite(struct rt2x00_dev *rt2x00dev,
+						 const unsigned int offset,
+						 const void *value,
+						 const u32 length)
+{
+	__iowrite32_copy(rt2x00dev->csr.base + offset, value, length >> 2);
+}
+
+/**
+ * rt2x00pci_regbusy_read - Read from register with busy check
+ * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
+ * @offset: Register offset
+ * @field: Field to check if register is busy
+ * @reg: Pointer to where register contents should be stored
+ *
+ * This function will read the given register, and checks if the
+ * register is busy. If it is, it will sleep for a couple of
+ * microseconds before reading the register again. If the register
+ * is not read after a certain timeout, this function will return
+ * FALSE.
+ */
+int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
+			   const unsigned int offset,
+			   const struct rt2x00_field32 field,
+			   u32 *reg);
+
+/**
+ * struct queue_entry_priv_pci: Per entry PCI specific information
+ *
+ * @desc: Pointer to device descriptor
+ * @desc_dma: DMA pointer to &desc.
+ * @data: Pointer to device's entry memory.
+ * @data_dma: DMA pointer to &data.
+ */
+struct queue_entry_priv_pci {
+	__le32 *desc;
+	dma_addr_t desc_dma;
+};
+
+/**
+ * rt2x00pci_rxdone - Handle RX done events
+ * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
+ *
+ * Returns true if there are still rx frames pending and false if all
+ * pending rx frames were processed.
+ */
+bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev);
+
+/**
+ * rt2x00pci_flush_queue - Flush data queue
+ * @queue: Data queue to stop
+ * @drop: True to drop all pending frames.
+ *
+ * This will wait for a maximum of 100ms, waiting for the queues
+ * to become empty.
+ */
+void rt2x00pci_flush_queue(struct data_queue *queue, bool drop);
+
+/*
+ * Device initialization handlers.
+ */
+int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev);
+void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev);
+
+#endif /* RT2X00MMIO_H */
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c
index b1c673e..e87865e 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.c
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.c
@@ -33,182 +33,6 @@
 #include "rt2x00pci.h"
 
 /*
- * Register access.
- */
-int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
-			   const unsigned int offset,
-			   const struct rt2x00_field32 field,
-			   u32 *reg)
-{
-	unsigned int i;
-
-	if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
-		return 0;
-
-	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-		rt2x00pci_register_read(rt2x00dev, offset, reg);
-		if (!rt2x00_get_field32(*reg, field))
-			return 1;
-		udelay(REGISTER_BUSY_DELAY);
-	}
-
-	printk_once(KERN_ERR "%s() Indirect register access failed: "
-	      "offset=0x%.08x, value=0x%.08x\n", __func__, offset, *reg);
-	*reg = ~0;
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(rt2x00pci_regbusy_read);
-
-bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev)
-{
-	struct data_queue *queue = rt2x00dev->rx;
-	struct queue_entry *entry;
-	struct queue_entry_priv_pci *entry_priv;
-	struct skb_frame_desc *skbdesc;
-	int max_rx = 16;
-
-	while (--max_rx) {
-		entry = rt2x00queue_get_entry(queue, Q_INDEX);
-		entry_priv = entry->priv_data;
-
-		if (rt2x00dev->ops->lib->get_entry_state(entry))
-			break;
-
-		/*
-		 * Fill in desc fields of the skb descriptor
-		 */
-		skbdesc = get_skb_frame_desc(entry->skb);
-		skbdesc->desc = entry_priv->desc;
-		skbdesc->desc_len = entry->queue->desc_size;
-
-		/*
-		 * DMA is already done, notify rt2x00lib that
-		 * it finished successfully.
-		 */
-		rt2x00lib_dmastart(entry);
-		rt2x00lib_dmadone(entry);
-
-		/*
-		 * Send the frame to rt2x00lib for further processing.
-		 */
-		rt2x00lib_rxdone(entry, GFP_ATOMIC);
-	}
-
-	return !max_rx;
-}
-EXPORT_SYMBOL_GPL(rt2x00pci_rxdone);
-
-void rt2x00pci_flush_queue(struct data_queue *queue, bool drop)
-{
-	unsigned int i;
-
-	for (i = 0; !rt2x00queue_empty(queue) && i < 10; i++)
-		msleep(10);
-}
-EXPORT_SYMBOL_GPL(rt2x00pci_flush_queue);
-
-/*
- * Device initialization handlers.
- */
-static int rt2x00pci_alloc_queue_dma(struct rt2x00_dev *rt2x00dev,
-				     struct data_queue *queue)
-{
-	struct queue_entry_priv_pci *entry_priv;
-	void *addr;
-	dma_addr_t dma;
-	unsigned int i;
-
-	/*
-	 * Allocate DMA memory for descriptor and buffer.
-	 */
-	addr = dma_alloc_coherent(rt2x00dev->dev,
-				  queue->limit * queue->desc_size,
-				  &dma, GFP_KERNEL);
-	if (!addr)
-		return -ENOMEM;
-
-	memset(addr, 0, queue->limit * queue->desc_size);
-
-	/*
-	 * Initialize all queue entries to contain valid addresses.
-	 */
-	for (i = 0; i < queue->limit; i++) {
-		entry_priv = queue->entries[i].priv_data;
-		entry_priv->desc = addr + i * queue->desc_size;
-		entry_priv->desc_dma = dma + i * queue->desc_size;
-	}
-
-	return 0;
-}
-
-static void rt2x00pci_free_queue_dma(struct rt2x00_dev *rt2x00dev,
-				     struct data_queue *queue)
-{
-	struct queue_entry_priv_pci *entry_priv =
-	    queue->entries[0].priv_data;
-
-	if (entry_priv->desc)
-		dma_free_coherent(rt2x00dev->dev,
-				  queue->limit * queue->desc_size,
-				  entry_priv->desc, entry_priv->desc_dma);
-	entry_priv->desc = NULL;
-}
-
-int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev)
-{
-	struct data_queue *queue;
-	int status;
-
-	/*
-	 * Allocate DMA
-	 */
-	queue_for_each(rt2x00dev, queue) {
-		status = rt2x00pci_alloc_queue_dma(rt2x00dev, queue);
-		if (status)
-			goto exit;
-	}
-
-	/*
-	 * Register interrupt handler.
-	 */
-	status = request_irq(rt2x00dev->irq,
-			     rt2x00dev->ops->lib->irq_handler,
-			     IRQF_SHARED, rt2x00dev->name, rt2x00dev);
-	if (status) {
-		ERROR(rt2x00dev, "IRQ %d allocation failed (error %d).\n",
-		      rt2x00dev->irq, status);
-		goto exit;
-	}
-
-	return 0;
-
-exit:
-	queue_for_each(rt2x00dev, queue)
-		rt2x00pci_free_queue_dma(rt2x00dev, queue);
-
-	return status;
-}
-EXPORT_SYMBOL_GPL(rt2x00pci_initialize);
-
-void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev)
-{
-	struct data_queue *queue;
-
-	/*
-	 * Free irq line.
-	 */
-	free_irq(rt2x00dev->irq, rt2x00dev);
-
-	/*
-	 * Free DMA
-	 */
-	queue_for_each(rt2x00dev, queue)
-		rt2x00pci_free_queue_dma(rt2x00dev, queue);
-}
-EXPORT_SYMBOL_GPL(rt2x00pci_uninitialize);
-
-/*
  * PCI driver handlers.
  */
 static void rt2x00pci_free_reg(struct rt2x00_dev *rt2x00dev)
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.h b/drivers/net/wireless/rt2x00/rt2x00pci.h
index e2c99f2..60d90b2 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.h
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.h
@@ -36,94 +36,6 @@
 #define PCI_DEVICE_DATA(__ops)	.driver_data = (kernel_ulong_t)(__ops)
 
 /*
- * Register access.
- */
-static inline void rt2x00pci_register_read(struct rt2x00_dev *rt2x00dev,
-					   const unsigned int offset,
-					   u32 *value)
-{
-	*value = readl(rt2x00dev->csr.base + offset);
-}
-
-static inline void rt2x00pci_register_multiread(struct rt2x00_dev *rt2x00dev,
-						const unsigned int offset,
-						void *value, const u32 length)
-{
-	memcpy_fromio(value, rt2x00dev->csr.base + offset, length);
-}
-
-static inline void rt2x00pci_register_write(struct rt2x00_dev *rt2x00dev,
-					    const unsigned int offset,
-					    u32 value)
-{
-	writel(value, rt2x00dev->csr.base + offset);
-}
-
-static inline void rt2x00pci_register_multiwrite(struct rt2x00_dev *rt2x00dev,
-						 const unsigned int offset,
-						 const void *value,
-						 const u32 length)
-{
-	__iowrite32_copy(rt2x00dev->csr.base + offset, value, length >> 2);
-}
-
-/**
- * rt2x00pci_regbusy_read - Read from register with busy check
- * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
- * @offset: Register offset
- * @field: Field to check if register is busy
- * @reg: Pointer to where register contents should be stored
- *
- * This function will read the given register, and checks if the
- * register is busy. If it is, it will sleep for a couple of
- * microseconds before reading the register again. If the register
- * is not read after a certain timeout, this function will return
- * FALSE.
- */
-int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
-			   const unsigned int offset,
-			   const struct rt2x00_field32 field,
-			   u32 *reg);
-
-/**
- * struct queue_entry_priv_pci: Per entry PCI specific information
- *
- * @desc: Pointer to device descriptor
- * @desc_dma: DMA pointer to &desc.
- * @data: Pointer to device's entry memory.
- * @data_dma: DMA pointer to &data.
- */
-struct queue_entry_priv_pci {
-	__le32 *desc;
-	dma_addr_t desc_dma;
-};
-
-/**
- * rt2x00pci_rxdone - Handle RX done events
- * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
- *
- * Returns true if there are still rx frames pending and false if all
- * pending rx frames were processed.
- */
-bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev);
-
-/**
- * rt2x00pci_flush_queue - Flush data queue
- * @queue: Data queue to stop
- * @drop: True to drop all pending frames.
- *
- * This will wait for a maximum of 100ms, waiting for the queues
- * to become empty.
- */
-void rt2x00pci_flush_queue(struct data_queue *queue, bool drop);
-
-/*
- * Device initialization handlers.
- */
-int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev);
-void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev);
-
-/*
  * PCI driver handlers.
  */
 int rt2x00pci_probe(struct pci_dev *pci_dev, const struct rt2x00_ops *ops);
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index f95792c..9e3c8ff 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -35,6 +35,7 @@
 #include <linux/eeprom_93cx6.h>
 
 #include "rt2x00.h"
+#include "rt2x00mmio.h"
 #include "rt2x00pci.h"
 #include "rt61pci.h"
 
diff --git a/drivers/nfc/microread/mei.c b/drivers/nfc/microread/mei.c
index eef38cf..ca33ae1 100644
--- a/drivers/nfc/microread/mei.c
+++ b/drivers/nfc/microread/mei.c
@@ -22,7 +22,7 @@
 #include <linux/slab.h>
 #include <linux/interrupt.h>
 #include <linux/gpio.h>
-#include <linux/mei_bus.h>
+#include <linux/mei_cl_bus.h>
 
 #include <linux/nfc.h>
 #include <net/nfc/hci.h>
@@ -32,9 +32,6 @@
 
 #define MICROREAD_DRIVER_NAME "microread"
 
-#define MICROREAD_UUID UUID_LE(0x0bb17a78, 0x2a8e, 0x4c50, 0x94, \
-			       0xd4, 0x50, 0x26, 0x67, 0x23, 0x77, 0x5c)
-
 struct mei_nfc_hdr {
 	u8 cmd;
 	u8 status;
@@ -48,7 +45,7 @@ struct mei_nfc_hdr {
 #define MEI_NFC_MAX_READ (MEI_NFC_HEADER_SIZE + MEI_NFC_MAX_HCI_PAYLOAD)
 
 struct microread_mei_phy {
-	struct mei_device *mei_device;
+	struct mei_cl_device *device;
 	struct nfc_hci_dev *hdev;
 
 	int powered;
@@ -105,14 +102,14 @@ static int microread_mei_write(void *phy_id, struct sk_buff *skb)
 
 	MEI_DUMP_SKB_OUT("mei frame sent", skb);
 
-	r = mei_send(phy->device, skb->data, skb->len);
+	r = mei_cl_send(phy->device, skb->data, skb->len);
 	if (r > 0)
 		r = 0;
 
 	return r;
 }
 
-static void microread_event_cb(struct mei_device *device, u32 events,
+static void microread_event_cb(struct mei_cl_device *device, u32 events,
 			       void *context)
 {
 	struct microread_mei_phy *phy = context;
@@ -120,7 +117,7 @@ static void microread_event_cb(struct mei_device *device, u32 events,
 	if (phy->hard_fault != 0)
 		return;
 
-	if (events & BIT(MEI_EVENT_RX)) {
+	if (events & BIT(MEI_CL_EVENT_RX)) {
 		struct sk_buff *skb;
 		int reply_size;
 
@@ -128,7 +125,7 @@ static void microread_event_cb(struct mei_device *device, u32 events,
 		if (!skb)
 			return;
 
-		reply_size = mei_recv(device, skb->data, MEI_NFC_MAX_READ);
+		reply_size = mei_cl_recv(device, skb->data, MEI_NFC_MAX_READ);
 		if (reply_size < MEI_NFC_HEADER_SIZE) {
 			kfree(skb);
 			return;
@@ -149,8 +146,8 @@ static struct nfc_phy_ops mei_phy_ops = {
 	.disable = microread_mei_disable,
 };
 
-static int microread_mei_probe(struct mei_device *device,
-			       const struct mei_id *id)
+static int microread_mei_probe(struct mei_cl_device *device,
+			       const struct mei_cl_device_id *id)
 {
 	struct microread_mei_phy *phy;
 	int r;
@@ -164,9 +161,9 @@ static int microread_mei_probe(struct mei_device *device,
 	}
 
 	phy->device = device;
-	mei_set_clientdata(device, phy);
+	mei_cl_set_drvdata(device, phy);
 
-	r = mei_register_event_cb(device, microread_event_cb, phy);
+	r = mei_cl_register_event_cb(device, microread_event_cb, phy);
 	if (r) {
 		pr_err(MICROREAD_DRIVER_NAME ": event cb registration failed\n");
 		goto err_out;
@@ -186,9 +183,9 @@ err_out:
 	return r;
 }
 
-static int microread_mei_remove(struct mei_device *device)
+static int microread_mei_remove(struct mei_cl_device *device)
 {
-	struct microread_mei_phy *phy = mei_get_clientdata(device);
+	struct microread_mei_phy *phy = mei_cl_get_drvdata(device);
 
 	pr_info("Removing microread\n");
 
@@ -202,16 +199,15 @@ static int microread_mei_remove(struct mei_device *device)
 	return 0;
 }
 
-static struct mei_id microread_mei_tbl[] = {
-	{ MICROREAD_DRIVER_NAME, MICROREAD_UUID },
+static struct mei_cl_device_id microread_mei_tbl[] = {
+	{ MICROREAD_DRIVER_NAME },
 
 	/* required last entry */
 	{ }
 };
-
 MODULE_DEVICE_TABLE(mei, microread_mei_tbl);
 
-static struct mei_driver microread_driver = {
+static struct mei_cl_driver microread_driver = {
 	.id_table = microread_mei_tbl,
 	.name = MICROREAD_DRIVER_NAME,
 
@@ -225,7 +221,7 @@ static int microread_mei_init(void)
 
 	pr_debug(DRIVER_DESC ": %s\n", __func__);
 
-	r = mei_driver_register(&microread_driver);
+	r = mei_cl_driver_register(&microread_driver);
 	if (r) {
 		pr_err(MICROREAD_DRIVER_NAME ": driver registration failed\n");
 		return r;
@@ -236,7 +232,7 @@ static int microread_mei_init(void)
 
 static void microread_mei_exit(void)
 {
-	mei_driver_unregister(&microread_driver);
+	mei_cl_driver_unregister(&microread_driver);
 }
 
 module_init(microread_mei_init);
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index e5c1441..c50c194 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2641,7 +2641,7 @@ static int ieee80211_cancel_roc(struct ieee80211_local *local,
 			list_del(&dep->list);
 			mutex_unlock(&local->mtx);
 
-			ieee80211_roc_notify_destroy(dep);
+			ieee80211_roc_notify_destroy(dep, true);
 			return 0;
 		}
 
@@ -2681,7 +2681,7 @@ static int ieee80211_cancel_roc(struct ieee80211_local *local,
 			ieee80211_start_next_roc(local);
 		mutex_unlock(&local->mtx);
 
-		ieee80211_roc_notify_destroy(found);
+		ieee80211_roc_notify_destroy(found, true);
 	} else {
 		/* work may be pending so use it all the time */
 		found->abort = true;
@@ -2691,6 +2691,8 @@ static int ieee80211_cancel_roc(struct ieee80211_local *local,
 
 		/* work will clean up etc */
 		flush_delayed_work(&found->work);
+		WARN_ON(!found->to_be_freed);
+		kfree(found);
 	}
 
 	return 0;
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index 78c0d90..931be41 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -63,6 +63,7 @@ ieee80211_new_chanctx(struct ieee80211_local *local,
 		      enum ieee80211_chanctx_mode mode)
 {
 	struct ieee80211_chanctx *ctx;
+	u32 changed;
 	int err;
 
 	lockdep_assert_held(&local->chanctx_mtx);
@@ -76,6 +77,13 @@ ieee80211_new_chanctx(struct ieee80211_local *local,
 	ctx->conf.rx_chains_dynamic = 1;
 	ctx->mode = mode;
 
+	/* acquire mutex to prevent idle from changing */
+	mutex_lock(&local->mtx);
+	/* turn idle off *before* setting channel -- some drivers need that */
+	changed = ieee80211_idle_off(local);
+	if (changed)
+		ieee80211_hw_config(local, changed);
+
 	if (!local->use_chanctx) {
 		local->_oper_channel_type =
 			cfg80211_get_chandef_type(chandef);
@@ -85,14 +93,17 @@ ieee80211_new_chanctx(struct ieee80211_local *local,
 		err = drv_add_chanctx(local, ctx);
 		if (err) {
 			kfree(ctx);
-			return ERR_PTR(err);
+			ctx = ERR_PTR(err);
+
+			ieee80211_recalc_idle(local);
+			goto out;
 		}
 	}
 
+	/* and keep the mutex held until the new chanctx is on the list */
 	list_add_rcu(&ctx->list, &local->chanctx_list);
 
-	mutex_lock(&local->mtx);
-	ieee80211_recalc_idle(local);
+ out:
 	mutex_unlock(&local->mtx);
 
 	return ctx;
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index ae2d175..0b09716 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -309,6 +309,7 @@ struct ieee80211_roc_work {
 	struct ieee80211_channel *chan;
 
 	bool started, abort, hw_begun, notified;
+	bool to_be_freed;
 
 	unsigned long hw_start_time;
 
@@ -1330,7 +1331,7 @@ void ieee80211_offchannel_return(struct ieee80211_local *local);
 void ieee80211_roc_setup(struct ieee80211_local *local);
 void ieee80211_start_next_roc(struct ieee80211_local *local);
 void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata);
-void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc);
+void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc, bool free);
 void ieee80211_sw_roc_work(struct work_struct *work);
 void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc);
 
@@ -1344,6 +1345,7 @@ int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
 			     enum nl80211_iftype type);
 void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata);
 void ieee80211_remove_interfaces(struct ieee80211_local *local);
+u32 ieee80211_idle_off(struct ieee80211_local *local);
 void ieee80211_recalc_idle(struct ieee80211_local *local);
 void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata,
 				    const int offset);
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 2a3c1e9..69aaba7 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -78,7 +78,7 @@ void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata)
 		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_TXPOWER);
 }
 
-static u32 ieee80211_idle_off(struct ieee80211_local *local)
+u32 ieee80211_idle_off(struct ieee80211_local *local)
 {
 	if (!(local->hw.conf.flags & IEEE80211_CONF_IDLE))
 		return 0;
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index b01eb73..cce7958 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -297,10 +297,13 @@ void ieee80211_start_next_roc(struct ieee80211_local *local)
 	}
 }
 
-void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc)
+void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc, bool free)
 {
 	struct ieee80211_roc_work *dep, *tmp;
 
+	if (WARN_ON(roc->to_be_freed))
+		return;
+
 	/* was never transmitted */
 	if (roc->frame) {
 		cfg80211_mgmt_tx_status(&roc->sdata->wdev,
@@ -316,9 +319,12 @@ void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc)
 						   GFP_KERNEL);
 
 	list_for_each_entry_safe(dep, tmp, &roc->dependents, list)
-		ieee80211_roc_notify_destroy(dep);
+		ieee80211_roc_notify_destroy(dep, true);
 
-	kfree(roc);
+	if (free)
+		kfree(roc);
+	else
+		roc->to_be_freed = true;
 }
 
 void ieee80211_sw_roc_work(struct work_struct *work)
@@ -331,6 +337,9 @@ void ieee80211_sw_roc_work(struct work_struct *work)
 
 	mutex_lock(&local->mtx);
 
+	if (roc->to_be_freed)
+		goto out_unlock;
+
 	if (roc->abort)
 		goto finish;
 
@@ -370,7 +379,7 @@ void ieee80211_sw_roc_work(struct work_struct *work)
  finish:
 		list_del(&roc->list);
 		started = roc->started;
-		ieee80211_roc_notify_destroy(roc);
+		ieee80211_roc_notify_destroy(roc, !roc->abort);
 
 		if (started) {
 			ieee80211_flush_queues(local, NULL);
@@ -410,7 +419,7 @@ static void ieee80211_hw_roc_done(struct work_struct *work)
 
 	list_del(&roc->list);
 
-	ieee80211_roc_notify_destroy(roc);
+	ieee80211_roc_notify_destroy(roc, true);
 
 	/* if there's another roc, start it now */
 	ieee80211_start_next_roc(local);
@@ -460,12 +469,14 @@ void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata)
 	list_for_each_entry_safe(roc, tmp, &tmp_list, list) {
 		if (local->ops->remain_on_channel) {
 			list_del(&roc->list);
-			ieee80211_roc_notify_destroy(roc);
+			ieee80211_roc_notify_destroy(roc, true);
 		} else {
 			ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
 
 			/* work will clean up etc */
 			flush_delayed_work(&roc->work);
+			WARN_ON(!roc->to_be_freed);
+			kfree(roc);
 		}
 	}
 
diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c
index bb67b98..7de0368 100644
--- a/net/nfc/llcp/llcp.c
+++ b/net/nfc/llcp/llcp.c
@@ -107,8 +107,6 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen,
 				accept_sk->sk_state_change(sk);
 
 				bh_unlock_sock(accept_sk);
-
-				sock_orphan(accept_sk);
 			}
 
 			if (listen == true) {
@@ -134,8 +132,6 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen,
 
 		bh_unlock_sock(sk);
 
-		sock_orphan(sk);
-
 		sk_del_node_init(sk);
 	}
 
@@ -164,8 +160,6 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen,
 
 		bh_unlock_sock(sk);
 
-		sock_orphan(sk);
-
 		sk_del_node_init(sk);
 	}
 
@@ -869,7 +863,6 @@ static void nfc_llcp_recv_ui(struct nfc_llcp_local *local,
 		skb_get(skb);
 	} else {
 		pr_err("Receive queue is full\n");
-		kfree_skb(skb);
 	}
 
 	nfc_llcp_sock_put(llcp_sock);
@@ -1072,7 +1065,6 @@ static void nfc_llcp_recv_hdlc(struct nfc_llcp_local *local,
 			skb_get(skb);
 		} else {
 			pr_err("Receive queue is full\n");
-			kfree_skb(skb);
 		}
 	}
 
diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c
index f1b377e..6fa7670 100644
--- a/net/nfc/llcp/sock.c
+++ b/net/nfc/llcp/sock.c
@@ -388,7 +388,9 @@ struct sock *nfc_llcp_accept_dequeue(struct sock *parent,
 		}
 
 		if (sk->sk_state == LLCP_CONNECTED || !newsock) {
-			nfc_llcp_accept_unlink(sk);
+			list_del_init(&lsk->accept_queue);
+			sock_put(sk);
+
 			if (newsock)
 				sock_graft(sk, newsock);
 
@@ -582,8 +584,6 @@ static int llcp_sock_release(struct socket *sock)
 			nfc_llcp_accept_unlink(accept_sk);
 
 			release_sock(accept_sk);
-
-			sock_orphan(accept_sk);
 		}
 	}
 
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 818ad63..a9dc5c7 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -228,6 +228,7 @@ void cfg80211_conn_work(struct work_struct *work)
 	rtnl_lock();
 	cfg80211_lock_rdev(rdev);
 	mutex_lock(&rdev->devlist_mtx);
+	mutex_lock(&rdev->sched_scan_mtx);
 
 	list_for_each_entry(wdev, &rdev->wdev_list, list) {
 		wdev_lock(wdev);
@@ -252,6 +253,7 @@ void cfg80211_conn_work(struct work_struct *work)
 		wdev_unlock(wdev);
 	}
 
+	mutex_unlock(&rdev->sched_scan_mtx);
 	mutex_unlock(&rdev->devlist_mtx);
 	cfg80211_unlock_rdev(rdev);
 	rtnl_unlock();