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

drivers/bluetooth/btusb.c

@@ -68,6 +68,9 @@ static struct usb_device_id btusb_table[] = {
 	/* Apple MacBookPro6,2 */
 	{ USB_DEVICE(0x05ac, 0x8218) },
 
+	/* Apple MacBookAir3,1, MacBookAir3,2 */
+	{ USB_DEVICE(0x05ac, 0x821b) },
+
 	/* AVM BlueFRITZ! USB v2.0 */
 	{ USB_DEVICE(0x057c, 0x3800) },
 
@@ -1029,6 +1032,8 @@ static int btusb_probe(struct usb_interface *intf,
 
 	usb_set_intfdata(intf, data);
 
+	usb_enable_autosuspend(interface_to_usbdev(intf));
+
 	return 0;
 }
 

drivers/net/wireless/ath/ath9k/ar9002_hw.c

@@ -410,6 +410,9 @@ static void ar9002_hw_configpcipowersave(struct ath_hw *ah,
 			val &= ~(AR_WA_BIT6 | AR_WA_BIT7);
 		}
 
+		if (AR_SREV_9280(ah))
+			val |= AR_WA_BIT22;
+
 		if (AR_SREV_9285E_20(ah))
 			val |= AR_WA_BIT23;
 

drivers/net/wireless/ath/ath9k/ath9k.h

@@ -675,6 +675,7 @@ static inline void ath_read_cachesize(struct ath_common *common, int *csz)
 }
 
 extern struct ieee80211_ops ath9k_ops;
+extern struct pm_qos_request_list ath9k_pm_qos_req;
 extern int modparam_nohwcrypt;
 extern int led_blink;
 

drivers/net/wireless/ath/ath9k/hif_usb.c

@@ -35,6 +35,7 @@ static struct usb_device_id ath9k_hif_usb_ids[] = {
 	{ USB_DEVICE(0x07D1, 0x3A10) }, /* Dlink Wireless 150 */
 	{ USB_DEVICE(0x13D3, 0x3327) }, /* Azurewave */
 	{ USB_DEVICE(0x13D3, 0x3328) }, /* Azurewave */
+	{ USB_DEVICE(0x13D3, 0x3346) }, /* IMC Networks */
 	{ USB_DEVICE(0x04CA, 0x4605) }, /* Liteon */
 	{ USB_DEVICE(0x083A, 0xA704) }, /* SMC Networks */
 	{ },
@@ -540,11 +541,11 @@ static void ath9k_hif_usb_reg_in_cb(struct urb *urb)
 			return;
 		}
 
-		usb_fill_int_urb(urb, hif_dev->udev,
+		usb_fill_bulk_urb(urb, hif_dev->udev,
 				 usb_rcvbulkpipe(hif_dev->udev,
 						 USB_REG_IN_PIPE),
 				 nskb->data, MAX_REG_IN_BUF_SIZE,
-				 ath9k_hif_usb_reg_in_cb, nskb, 1);
+				 ath9k_hif_usb_reg_in_cb, nskb);
 
 		ret = usb_submit_urb(urb, GFP_ATOMIC);
 		if (ret) {
@@ -720,11 +721,11 @@ static int ath9k_hif_usb_alloc_reg_in_urb(struct hif_device_usb *hif_dev)
 	if (!skb)
 		goto err;
 
-	usb_fill_int_urb(hif_dev->reg_in_urb, hif_dev->udev,
+	usb_fill_bulk_urb(hif_dev->reg_in_urb, hif_dev->udev,
 			 usb_rcvbulkpipe(hif_dev->udev,
 					 USB_REG_IN_PIPE),
 			 skb->data, MAX_REG_IN_BUF_SIZE,
-			 ath9k_hif_usb_reg_in_cb, skb, 1);
+			 ath9k_hif_usb_reg_in_cb, skb);
 
 	if (usb_submit_urb(hif_dev->reg_in_urb, GFP_KERNEL) != 0)
 		goto err;
@@ -843,14 +844,6 @@ static int ath9k_hif_usb_dev_init(struct hif_device_usb *hif_dev)
 		goto err_fw_req;
 	}
 
-	/* Alloc URBs */
-	ret = ath9k_hif_usb_alloc_urbs(hif_dev);
-	if (ret) {
-		dev_err(&hif_dev->udev->dev,
-			"ath9k_htc: Unable to allocate URBs\n");
-		goto err_urb;
-	}
-
 	/* Download firmware */
 	ret = ath9k_hif_usb_download_fw(hif_dev);
 	if (ret) {
@@ -866,16 +859,22 @@ static int ath9k_hif_usb_dev_init(struct hif_device_usb *hif_dev)
 	 */
 	for (idx = 0; idx < alt->desc.bNumEndpoints; idx++) {
 		endp = &alt->endpoint[idx].desc;
-		if (((endp->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK)
-				== 0x04) &&
-		    ((endp->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
-				== USB_ENDPOINT_XFER_INT)) {
+		if ((endp->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
+				== USB_ENDPOINT_XFER_INT) {
 			endp->bmAttributes &= ~USB_ENDPOINT_XFERTYPE_MASK;
 			endp->bmAttributes |= USB_ENDPOINT_XFER_BULK;
 			endp->bInterval = 0;
 		}
 	}
 
+	/* Alloc URBs */
+	ret = ath9k_hif_usb_alloc_urbs(hif_dev);
+	if (ret) {
+		dev_err(&hif_dev->udev->dev,
+			"ath9k_htc: Unable to allocate URBs\n");
+		goto err_urb;
+	}
+
 	return 0;
 
 err_fw_download:

drivers/net/wireless/ath/ath9k/hw.c

@@ -484,6 +484,7 @@ static int ath9k_hw_post_init(struct ath_hw *ah)
 		ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
 			  "Failed allocating banks for "
 			  "external radio\n");
+		ath9k_hw_rf_free_ext_banks(ah);
 		return ecode;
 	}
 
@@ -952,7 +953,10 @@ static void ath9k_hw_set_operating_mode(struct ath_hw *ah, int opmode)
 		REG_SET_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION);
 		break;
 	case NL80211_IFTYPE_STATION:
-	case NL80211_IFTYPE_MONITOR:
+		REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_KSRCH_MODE);
+		break;
+	default:
+		if (ah->is_monitoring)
 			REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_KSRCH_MODE);
 		break;
 	}
@@ -1634,7 +1638,6 @@ void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period)
 
 	switch (ah->opmode) {
 	case NL80211_IFTYPE_STATION:
-	case NL80211_IFTYPE_MONITOR:
 		REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(next_beacon));
 		REG_WRITE(ah, AR_NEXT_DMA_BEACON_ALERT, 0xffff);
 		REG_WRITE(ah, AR_NEXT_SWBA, 0x7ffff);
@@ -1663,6 +1666,14 @@ void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period)
 			AR_TBTT_TIMER_EN | AR_DBA_TIMER_EN | AR_SWBA_TIMER_EN;
 		break;
 	default:
+		if (ah->is_monitoring) {
+			REG_WRITE(ah, AR_NEXT_TBTT_TIMER,
+					TU_TO_USEC(next_beacon));
+			REG_WRITE(ah, AR_NEXT_DMA_BEACON_ALERT, 0xffff);
+			REG_WRITE(ah, AR_NEXT_SWBA, 0x7ffff);
+			flags |= AR_TBTT_TIMER_EN;
+			break;
+		}
 		ath_print(ath9k_hw_common(ah), ATH_DBG_BEACON,
 			  "%s: unsupported opmode: %d\n",
 			  __func__, ah->opmode);

drivers/net/wireless/ath/ath9k/hw.h

@@ -622,6 +622,7 @@ struct ath_hw {
 
 	bool sw_mgmt_crypto;
 	bool is_pciexpress;
+	bool is_monitoring;
 	bool need_an_top2_fixup;
 	u16 tx_trig_level;
 

drivers/net/wireless/ath/ath9k/init.c

@@ -15,6 +15,7 @@
  */
 
 #include <linux/slab.h>
+#include <linux/pm_qos_params.h>
 
 #include "ath9k.h"
 
@@ -179,6 +180,8 @@ static const struct ath_ops ath9k_common_ops = {
 	.write = ath9k_iowrite32,
 };
 
+struct pm_qos_request_list ath9k_pm_qos_req;
+
 /**************************/
 /*     Initialization     */
 /**************************/
@@ -756,6 +759,9 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
 	ath_init_leds(sc);
 	ath_start_rfkill_poll(sc);
 
+	pm_qos_add_request(&ath9k_pm_qos_req, PM_QOS_CPU_DMA_LATENCY,
+			   PM_QOS_DEFAULT_VALUE);
+
 	return 0;
 
 error_world:
@@ -811,6 +817,8 @@ void ath9k_deinit_device(struct ath_softc *sc)
 
 	ath9k_ps_wakeup(sc);
 
+	pm_qos_remove_request(&ath9k_pm_qos_req);
+
 	wiphy_rfkill_stop_polling(sc->hw->wiphy);
 	ath_deinit_leds(sc);
 

drivers/net/wireless/ath/ath9k/main.c

@@ -15,6 +15,7 @@
  */
 
 #include <linux/nl80211.h>
+#include <linux/pm_qos_params.h>
 #include "ath9k.h"
 #include "btcoex.h"
 
@@ -93,11 +94,13 @@ void ath9k_ps_wakeup(struct ath_softc *sc)
 {
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	unsigned long flags;
+	enum ath9k_power_mode power_mode;
 
 	spin_lock_irqsave(&sc->sc_pm_lock, flags);
 	if (++sc->ps_usecount != 1)
 		goto unlock;
 
+	power_mode = sc->sc_ah->power_mode;
 	ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE);
 
 	/*
@@ -105,10 +108,12 @@ void ath9k_ps_wakeup(struct ath_softc *sc)
 	 * useful data. Better clear them now so that they don't mess up
 	 * survey data results.
 	 */
+	if (power_mode != ATH9K_PM_AWAKE) {
 		spin_lock(&common->cc_lock);
 		ath_hw_cycle_counters_update(common);
 		memset(&common->cc_survey, 0, sizeof(common->cc_survey));
 		spin_unlock(&common->cc_lock);
+	}
 
  unlock:
 	spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
@@ -1217,6 +1222,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
 		ah->imask |= ATH9K_INT_CST;
 
 	sc->sc_flags &= ~SC_OP_INVALID;
+	sc->sc_ah->is_monitoring = false;
 
 	/* Disable BMISS interrupt when we're not associated */
 	ah->imask &= ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS);
@@ -1238,6 +1244,8 @@ static int ath9k_start(struct ieee80211_hw *hw)
 			ath9k_btcoex_timer_resume(sc);
 	}
 
+	pm_qos_update_request(&ath9k_pm_qos_req, 55);
+
 mutex_unlock:
 	mutex_unlock(&sc->mutex);
 
@@ -1415,6 +1423,8 @@ static void ath9k_stop(struct ieee80211_hw *hw)
 
 	sc->sc_flags |= SC_OP_INVALID;
 
+	pm_qos_update_request(&ath9k_pm_qos_req, PM_QOS_DEFAULT_VALUE);
+
 	mutex_unlock(&sc->mutex);
 
 	ath_print(common, ATH_DBG_CONFIG, "Driver halt\n");
@@ -1493,8 +1503,7 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
 	ath9k_hw_set_interrupts(ah, ah->imask);
 
 	if (vif->type == NL80211_IFTYPE_AP    ||
-	    vif->type == NL80211_IFTYPE_ADHOC ||
-	    vif->type == NL80211_IFTYPE_MONITOR) {
+	    vif->type == NL80211_IFTYPE_ADHOC) {
 		sc->sc_flags |= SC_OP_ANI_RUN;
 		ath_start_ani(common);
 	}
@@ -1644,8 +1653,12 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
 	if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
 		if (conf->flags & IEEE80211_CONF_MONITOR) {
 			ath_print(common, ATH_DBG_CONFIG,
-				  "HW opmode set to Monitor mode\n");
-			sc->sc_ah->opmode = NL80211_IFTYPE_MONITOR;
+				  "Monitor mode is enabled\n");
+			sc->sc_ah->is_monitoring = true;
+		} else {
+			ath_print(common, ATH_DBG_CONFIG,
+				  "Monitor mode is disabled\n");
+			sc->sc_ah->is_monitoring = false;
 		}
 	}
 

drivers/net/wireless/ath/ath9k/recv.c

@@ -441,7 +441,7 @@ u32 ath_calcrxfilter(struct ath_softc *sc)
 	 */
 	if (((sc->sc_ah->opmode != NL80211_IFTYPE_AP) &&
 	     (sc->rx.rxfilter & FIF_PROMISC_IN_BSS)) ||
-	    (sc->sc_ah->opmode == NL80211_IFTYPE_MONITOR))
+	    (sc->sc_ah->is_monitoring))
 		rfilt |= ATH9K_RX_FILTER_PROM;
 
 	if (sc->rx.rxfilter & FIF_CONTROL)
@@ -897,7 +897,7 @@ static bool ath9k_rx_accept(struct ath_common *common,
 		 * decryption and MIC failures. For monitor mode,
 		 * we also ignore the CRC error.
 		 */
-		if (ah->opmode == NL80211_IFTYPE_MONITOR) {
+		if (ah->is_monitoring) {
 			if (rx_stats->rs_status &
 			    ~(ATH9K_RXERR_DECRYPT | ATH9K_RXERR_MIC |
 			      ATH9K_RXERR_CRC))

drivers/net/wireless/ath/ath9k/reg.h

@@ -703,6 +703,7 @@
 #define AR_WA_RESET_EN                  (1 << 18) /* Sw Control to enable PCI-Reset to POR (bit 15) */
 #define AR_WA_ANALOG_SHIFT              (1 << 20)
 #define AR_WA_POR_SHORT                 (1 << 21) /* PCI-E Phy reset control */
+#define AR_WA_BIT22			(1 << 22)
 #define AR9285_WA_DEFAULT		0x004a050b
 #define AR9280_WA_DEFAULT           	0x0040073b
 #define AR_WA_DEFAULT               	0x0000073f

drivers/net/wireless/ath/carl9170/usb.c

@@ -82,9 +82,11 @@ static struct usb_device_id carl9170_usb_ids[] = {
 	{ USB_DEVICE(0x07d1, 0x3c10) },
 	/* D-Link DWA 160 A2 */
 	{ USB_DEVICE(0x07d1, 0x3a09) },
+	/* D-Link DWA 130 D */
+	{ USB_DEVICE(0x07d1, 0x3a0f) },
 	/* Netgear WNA1000 */
 	{ USB_DEVICE(0x0846, 0x9040) },
-	/* Netgear WNDA3100 */
+	/* Netgear WNDA3100 (v1) */
 	{ USB_DEVICE(0x0846, 0x9010) },
 	/* Netgear WN111 v2 */
 	{ USB_DEVICE(0x0846, 0x9001), .driver_info = CARL9170_ONE_LED },

drivers/net/wireless/ipw2x00/libipw_module.c

@@ -54,6 +54,7 @@
 
 #define DRV_DESCRIPTION "802.11 data/management/control stack"
 #define DRV_NAME        "libipw"
+#define DRV_PROCNAME	"ieee80211"
 #define DRV_VERSION	LIBIPW_VERSION
 #define DRV_COPYRIGHT   "Copyright (C) 2004-2005 Intel Corporation <jketreno@linux.intel.com>"
 
@@ -293,16 +294,16 @@ static int __init libipw_init(void)
 	struct proc_dir_entry *e;
 
 	libipw_debug_level = debug;
-	libipw_proc = proc_mkdir("ieee80211", init_net.proc_net);
+	libipw_proc = proc_mkdir(DRV_PROCNAME, init_net.proc_net);
 	if (libipw_proc == NULL) {
-		LIBIPW_ERROR("Unable to create " DRV_NAME
+		LIBIPW_ERROR("Unable to create " DRV_PROCNAME
 				" proc directory\n");
 		return -EIO;
 	}
 	e = proc_create("debug_level", S_IRUGO | S_IWUSR, libipw_proc,
 			&debug_level_proc_fops);
 	if (!e) {
-		remove_proc_entry(DRV_NAME, init_net.proc_net);
+		remove_proc_entry(DRV_PROCNAME, init_net.proc_net);
 		libipw_proc = NULL;
 		return -EIO;
 	}
@@ -319,7 +320,7 @@ static void __exit libipw_exit(void)
 #ifdef CONFIG_LIBIPW_DEBUG
 	if (libipw_proc) {
 		remove_proc_entry("debug_level", libipw_proc);
-		remove_proc_entry(DRV_NAME, init_net.proc_net);
+		remove_proc_entry(DRV_PROCNAME, init_net.proc_net);
 		libipw_proc = NULL;
 	}
 #endif				/* CONFIG_LIBIPW_DEBUG */

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

@@ -4000,7 +4000,8 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
 	 * "the hard way", rather than using device's scan.
 	 */
 	if (iwl3945_mod_params.disable_hw_scan) {
-		IWL_ERR(priv, "sw scan support is deprecated\n");
+		dev_printk(KERN_DEBUG, &(pdev->dev),
+			"sw scan support is deprecated\n");
 		iwl3945_hw_ops.hw_scan = NULL;
 	}
 

drivers/net/wireless/libertas/cfg.c

@@ -700,6 +700,7 @@ static void lbs_scan_worker(struct work_struct *work)
 
 	if (priv->scan_channel < priv->scan_req->n_channels) {
 		cancel_delayed_work(&priv->scan_work);
+		if (!priv->stopping)
 			queue_delayed_work(priv->work_thread, &priv->scan_work,
 				msecs_to_jiffies(300));
 	}

drivers/net/wireless/libertas/dev.h

@@ -36,6 +36,7 @@ struct lbs_private {
 	/* CFG80211 */
 	struct wireless_dev *wdev;
 	bool wiphy_registered;
+	bool stopping;
 	struct cfg80211_scan_request *scan_req;
 	u8 assoc_bss[ETH_ALEN];
 	u8 disassoc_reason;

drivers/net/wireless/libertas/main.c

@@ -104,6 +104,7 @@ static int lbs_dev_open(struct net_device *dev)
 	lbs_deb_enter(LBS_DEB_NET);
 
 	spin_lock_irq(&priv->driver_lock);
+	priv->stopping = false;
 
 	if (priv->connect_status == LBS_CONNECTED)
 		netif_carrier_on(dev);
@@ -131,10 +132,16 @@ static int lbs_eth_stop(struct net_device *dev)
 	lbs_deb_enter(LBS_DEB_NET);
 
 	spin_lock_irq(&priv->driver_lock);
+	priv->stopping = true;
 	netif_stop_queue(dev);
 	spin_unlock_irq(&priv->driver_lock);
 
 	schedule_work(&priv->mcast_work);
+	cancel_delayed_work_sync(&priv->scan_work);
+	if (priv->scan_req) {
+		cfg80211_scan_done(priv->scan_req, false);
+		priv->scan_req = NULL;
+	}
 
 	lbs_deb_leave(LBS_DEB_NET);
 	return 0;

net/bluetooth/hci_event.c

@@ -1175,6 +1175,12 @@ static inline void hci_remote_features_evt(struct hci_dev *hdev, struct sk_buff
 				hci_send_cmd(hdev,
 					HCI_OP_READ_REMOTE_EXT_FEATURES,
 							sizeof(cp), &cp);
+			} else if (!ev->status && conn->out &&
+					conn->sec_level == BT_SECURITY_HIGH) {
+				struct hci_cp_auth_requested cp;
+				cp.handle = ev->handle;
+				hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
+							sizeof(cp), &cp);
 			} else {
 				conn->state = BT_CONNECTED;
 				hci_proto_connect_cfm(conn, ev->status);

net/bluetooth/hidp/Kconfig

 config BT_HIDP
 	tristate "HIDP protocol support"
-	depends on BT && BT_L2CAP && INPUT
+	depends on BT && BT_L2CAP && INPUT && HID_SUPPORT
 	select HID
 	help
 	  HIDP (Human Interface Device Protocol) is a transport layer

net/bluetooth/l2cap.c

@@ -2421,11 +2421,11 @@ static inline int l2cap_get_conf_opt(void **ptr, int *type, int *olen, unsigned
 		break;
 
 	case 2:
-		*val = __le16_to_cpu(*((__le16 *) opt->val));
+		*val = get_unaligned_le16(opt->val);
 		break;
 
 	case 4:
-		*val = __le32_to_cpu(*((__le32 *) opt->val));
+		*val = get_unaligned_le32(opt->val);
 		break;
 
 	default:
@@ -2452,11 +2452,11 @@ static void l2cap_add_conf_opt(void **ptr, u8 type, u8 len, unsigned long val)
 		break;
 
 	case 2:
-		*((__le16 *) opt->val) = cpu_to_le16(val);
+		put_unaligned_le16(val, opt->val);
 		break;
 
 	case 4:
-		*((__le32 *) opt->val) = cpu_to_le32(val);
+		put_unaligned_le32(val, opt->val);
 		break;
 
 	default:

net/bluetooth/rfcomm/core.c

@@ -79,7 +79,10 @@ static void rfcomm_make_uih(struct sk_buff *skb, u8 addr);
 
 static void rfcomm_process_connect(struct rfcomm_session *s);
 
-static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, bdaddr_t *dst, int *err);
+static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src,
+							bdaddr_t *dst,
+							u8 sec_level,
+							int *err);
 static struct rfcomm_session *rfcomm_session_get(bdaddr_t *src, bdaddr_t *dst);
 static void rfcomm_session_del(struct rfcomm_session *s);
 
@@ -401,7 +404,7 @@ static int __rfcomm_dlc_open(struct rfcomm_dlc *d, bdaddr_t *src, bdaddr_t *dst,
 
 	s = rfcomm_session_get(src, dst);
 	if (!s) {
-		s = rfcomm_session_create(src, dst, &err);
+		s = rfcomm_session_create(src, dst, d->sec_level, &err);
 		if (!s)
 			return err;
 	}
@@ -679,7 +682,10 @@ static void rfcomm_session_close(struct rfcomm_session *s, int err)
 	rfcomm_session_put(s);
 }
 
-static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, bdaddr_t *dst, int *err)
+static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src,
+							bdaddr_t *dst,
+							u8 sec_level,
+							int *err)
 {
 	struct rfcomm_session *s = NULL;
 	struct sockaddr_l2 addr;
@@ -704,6 +710,7 @@ static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, bdaddr_t *dst
 	sk = sock->sk;
 	lock_sock(sk);
 	l2cap_pi(sk)->imtu = l2cap_mtu;
+	l2cap_pi(sk)->sec_level = sec_level;
 	if (l2cap_ertm)
 		l2cap_pi(sk)->mode = L2CAP_MODE_ERTM;
 	release_sock(sk);

net/mac80211/iface.c

@@ -391,6 +391,9 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
 	u32 hw_reconf_flags = 0;
 	int i;
 
+	if (local->scan_sdata == sdata)
+		ieee80211_scan_cancel(local);
+
 	clear_bit(SDATA_STATE_RUNNING, &sdata->state);
 
 	/*
@@ -523,9 +526,6 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
 		synchronize_rcu();
 		skb_queue_purge(&sdata->skb_queue);
 
-		if (local->scan_sdata == sdata)
-			ieee80211_scan_cancel(local);
-
 		/*
 		 * Disable beaconing here for mesh only, AP and IBSS
 		 * are already taken care of.

net/wireless/nl80211.c

@@ -224,8 +224,8 @@ static int nl80211_prepare_netdev_dump(struct sk_buff *skb,
 	}
 
 	*rdev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
-	if (IS_ERR(dev)) {
-		err = PTR_ERR(dev);
+	if (IS_ERR(*rdev)) {
+		err = PTR_ERR(*rdev);
 		goto out_rtnl;
 	}