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

16 files changed, 89 insertions, 76 deletions

diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index db7cb8111fbe..106beb194f3c 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -105,7 +105,7 @@ static int ath3k_load_firmware(struct usb_device *udev,
 
 	pipe = usb_sndctrlpipe(udev, 0);
 
-	send_buf = kmalloc(BULK_SIZE, GFP_ATOMIC);
+	send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
 	if (!send_buf) {
 		BT_ERR("Can't allocate memory chunk for firmware");
 		return -ENOMEM;
@@ -176,7 +176,7 @@ static int ath3k_load_fwfile(struct usb_device *udev,
 
 	count = firmware->size;
 
-	send_buf = kmalloc(BULK_SIZE, GFP_ATOMIC);
+	send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
 	if (!send_buf) {
 		BT_ERR("Can't allocate memory chunk for firmware");
 		return -ENOMEM;
diff --git a/drivers/bluetooth/bcm203x.c b/drivers/bluetooth/bcm203x.c
index 8b1b643a519b..54952ab800b8 100644
--- a/drivers/bluetooth/bcm203x.c
+++ b/drivers/bluetooth/bcm203x.c
@@ -24,6 +24,7 @@
 
 #include <linux/module.h>
 
+#include <linux/atomic.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/slab.h>
@@ -65,6 +66,7 @@ struct bcm203x_data {
 	unsigned long		state;
 
 	struct work_struct	work;
+	atomic_t		shutdown;
 
 	struct urb		*urb;
 	unsigned char		*buffer;
@@ -97,6 +99,7 @@ static void bcm203x_complete(struct urb *urb)
 
 		data->state = BCM203X_SELECT_MEMORY;
 
+		/* use workqueue to have a small delay */
 		schedule_work(&data->work);
 		break;
 
@@ -155,7 +158,10 @@ static void bcm203x_work(struct work_struct *work)
 	struct bcm203x_data *data =
 		container_of(work, struct bcm203x_data, work);
 
-	if (usb_submit_urb(data->urb, GFP_ATOMIC) < 0)
+	if (atomic_read(&data->shutdown))
+		return;
+
+	if (usb_submit_urb(data->urb, GFP_KERNEL) < 0)
 		BT_ERR("Can't submit URB");
 }
 
@@ -243,6 +249,7 @@ static int bcm203x_probe(struct usb_interface *intf, const struct usb_device_id
 
 	usb_set_intfdata(intf, data);
 
+	/* use workqueue to have a small delay */
 	schedule_work(&data->work);
 
 	return 0;
@@ -254,6 +261,9 @@ static void bcm203x_disconnect(struct usb_interface *intf)
 
 	BT_DBG("intf %p", intf);
 
+	atomic_inc(&data->shutdown);
+	cancel_work_sync(&data->work);
+
 	usb_kill_urb(data->urb);
 
 	usb_set_intfdata(intf, NULL);
diff --git a/drivers/bluetooth/bfusb.c b/drivers/bluetooth/bfusb.c
index 005919ab043c..61b591470a90 100644
--- a/drivers/bluetooth/bfusb.c
+++ b/drivers/bluetooth/bfusb.c
@@ -568,22 +568,23 @@ static int bfusb_load_firmware(struct bfusb_data *data,
 
 	BT_INFO("BlueFRITZ! USB loading firmware");
 
+	buf = kmalloc(BFUSB_MAX_BLOCK_SIZE + 3, GFP_KERNEL);
+	if (!buf) {
+		BT_ERR("Can't allocate memory chunk for firmware");
+		return -ENOMEM;
+	}
+
 	pipe = usb_sndctrlpipe(data->udev, 0);
 
 	if (usb_control_msg(data->udev, pipe, USB_REQ_SET_CONFIGURATION,
 				0, 1, 0, NULL, 0, USB_CTRL_SET_TIMEOUT) < 0) {
 		BT_ERR("Can't change to loading configuration");
+		kfree(buf);
 		return -EBUSY;
 	}
 
 	data->udev->toggle[0] = data->udev->toggle[1] = 0;
 
-	buf = kmalloc(BFUSB_MAX_BLOCK_SIZE + 3, GFP_ATOMIC);
-	if (!buf) {
-		BT_ERR("Can't allocate memory chunk for firmware");
-		return -ENOMEM;
-	}
-
 	pipe = usb_sndbulkpipe(data->udev, data->bulk_out_ep);
 
 	while (count) {
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_calib.c b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
index e0ab0657cc3a..88279e325dca 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
@@ -868,10 +868,6 @@ static bool ar9002_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan)
 	/* Do PA Calibration */
 	ar9002_hw_pa_cal(ah, true);
 
-	/* Do NF Calibration after DC offset and other calibrations */
-	ath9k_hw_loadnf(ah, chan);
-	ath9k_hw_start_nfcal(ah, true);
-
 	if (ah->caldata)
 		ah->caldata->nfcal_pending = true;
 
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
index 16851cb109a6..12a730dcb500 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
@@ -908,12 +908,15 @@ static bool ar9003_hw_rtt_restore(struct ath_hw *ah, struct ath9k_channel *chan)
 	int i;
 	bool restore;
 
-	if (!(ah->caps.hw_caps & ATH9K_HW_CAP_RTT) || !ah->caldata)
+	if (!ah->caldata)
 		return false;
 
 	hist = &ah->caldata->rtt_hist;
+	if (!hist->num_readings)
+		return false;
+
 	ar9003_hw_rtt_enable(ah);
-	ar9003_hw_rtt_set_mask(ah, 0x10);
+	ar9003_hw_rtt_set_mask(ah, 0x00);
 	for (i = 0; i < AR9300_MAX_CHAINS; i++) {
 		if (!(ah->rxchainmask & (1 << i)))
 			continue;
@@ -1070,6 +1073,7 @@ skip_tx_iqcal:
 		if (is_reusable && (hist->num_readings < RTT_HIST_MAX)) {
 			u32 *table;
 
+			hist->num_readings++;
 			for (i = 0; i < AR9300_MAX_CHAINS; i++) {
 				if (!(ah->rxchainmask & (1 << i)))
 					continue;
@@ -1081,9 +1085,6 @@ skip_tx_iqcal:
 		ar9003_hw_rtt_disable(ah);
 	}
 
-	ath9k_hw_loadnf(ah, chan);
-	ath9k_hw_start_nfcal(ah, true);
-
 	/* Initialize list pointers */
 	ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL;
 	ah->supp_cals = IQ_MISMATCH_CAL;
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
index 2f4023e66081..4114fe752c6b 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
@@ -572,14 +572,14 @@
 
 #define AR_PHY_TXGAIN_TABLE      (AR_SM_BASE + 0x300)
 
-#define AR_PHY_TX_IQCAL_CONTROL_0   (AR_SM_BASE + AR_SREV_9485(ah) ? \
-						 0x3c4 : 0x444)
-#define AR_PHY_TX_IQCAL_CONTROL_1   (AR_SM_BASE + AR_SREV_9485(ah) ? \
-						 0x3c8 : 0x448)
-#define AR_PHY_TX_IQCAL_START       (AR_SM_BASE + AR_SREV_9485(ah) ? \
-						 0x3c4 : 0x440)
-#define AR_PHY_TX_IQCAL_STATUS_B0   (AR_SM_BASE + AR_SREV_9485(ah) ? \
-						 0x3f0 : 0x48c)
+#define AR_PHY_TX_IQCAL_CONTROL_0   (AR_SM_BASE + (AR_SREV_9485(ah) ? \
+						 0x3c4 : 0x444))
+#define AR_PHY_TX_IQCAL_CONTROL_1   (AR_SM_BASE + (AR_SREV_9485(ah) ? \
+						 0x3c8 : 0x448))
+#define AR_PHY_TX_IQCAL_START       (AR_SM_BASE + (AR_SREV_9485(ah) ? \
+						 0x3c4 : 0x440))
+#define AR_PHY_TX_IQCAL_STATUS_B0   (AR_SM_BASE + (AR_SREV_9485(ah) ? \
+						 0x3f0 : 0x48c))
 #define AR_PHY_TX_IQCAL_CORR_COEFF_B0(_i)    (AR_SM_BASE + \
 					     (AR_SREV_9485(ah) ? \
 					      0x3d0 : 0x450) + ((_i) << 2))
@@ -651,7 +651,7 @@
 #define AR_SWITCH_TABLE_ALL_S (0)
 
 #define AR_PHY_65NM_CH0_THERM       (AR_SREV_9300(ah) ? 0x16290 :\
-					(AR_SREV_9485(ah) ? 0x1628c : 0x16294))
+					(AR_SREV_9462(ah) ? 0x16294 : 0x1628c))
 
 #define AR_PHY_65NM_CH0_THERM_LOCAL   0x80000000
 #define AR_PHY_65NM_CH0_THERM_LOCAL_S 31
@@ -668,12 +668,12 @@
 #define AR_PHY_65NM_CH2_RXTX2       0x16904
 
 #define AR_CH0_TOP2		(AR_SREV_9300(ah) ? 0x1628c : \
-					(AR_SREV_9485(ah) ? 0x16284 : 0x16290))
+					(AR_SREV_9462(ah) ? 0x16290 : 0x16284))
 #define AR_CH0_TOP2_XPABIASLVL		0xf000
 #define AR_CH0_TOP2_XPABIASLVL_S	12
 
 #define AR_CH0_XTAL		(AR_SREV_9300(ah) ? 0x16294 : \
-					(AR_SREV_9485(ah) ? 0x16290 : 0x16298))
+					(AR_SREV_9462(ah) ? 0x16298 : 0x16290))
 #define AR_CH0_XTAL_CAPINDAC	0x7f000000
 #define AR_CH0_XTAL_CAPINDAC_S	24
 #define AR_CH0_XTAL_CAPOUTDAC	0x00fe0000
@@ -908,8 +908,8 @@
 #define AR_PHY_TPC_5_B1         (AR_SM1_BASE + 0x208)
 #define AR_PHY_TPC_6_B1         (AR_SM1_BASE + 0x20c)
 #define AR_PHY_TPC_11_B1        (AR_SM1_BASE + 0x220)
-#define AR_PHY_PDADC_TAB_1	(AR_SM1_BASE + (AR_SREV_AR9300(ah) ? \
-					0x240 : 0x280))
+#define AR_PHY_PDADC_TAB_1	(AR_SM1_BASE + (AR_SREV_AR9462(ah) ? \
+					0x280 : 0x240))
 #define AR_PHY_TPC_19_B1	(AR_SM1_BASE + 0x240)
 #define AR_PHY_TPC_19_B1_ALPHA_THERM		0xff
 #define AR_PHY_TPC_19_B1_ALPHA_THERM_S		0
@@ -931,10 +931,10 @@
 #define AR_PHY_AIC_SRAM_ADDR_B1	(AR_SM1_BASE + 0x5f0)
 #define AR_PHY_AIC_SRAM_DATA_B1	(AR_SM1_BASE + 0x5f4)
 
-#define AR_PHY_RTT_TABLE_SW_INTF_B(i)	(0x384 + (i) ? \
-					AR_SM1_BASE : AR_SM_BASE)
-#define AR_PHY_RTT_TABLE_SW_INTF_1_B(i)	(0x388 + (i) ? \
-					AR_SM1_BASE : AR_SM_BASE)
+#define AR_PHY_RTT_TABLE_SW_INTF_B(i)	(0x384 + ((i) ? \
+					AR_SM1_BASE : AR_SM_BASE))
+#define AR_PHY_RTT_TABLE_SW_INTF_1_B(i)	(0x388 + ((i) ? \
+					AR_SM1_BASE : AR_SM_BASE))
 /*
  * Channel 2 Register Map
  */
diff --git a/drivers/net/wireless/ath/ath9k/ar9485_initvals.h b/drivers/net/wireless/ath/ath9k/ar9485_initvals.h
index 611ea6ce8508..d16d029f81a9 100644
--- a/drivers/net/wireless/ath/ath9k/ar9485_initvals.h
+++ b/drivers/net/wireless/ath/ath9k/ar9485_initvals.h
@@ -521,7 +521,7 @@ static const u32 ar9485_1_1_radio_postamble[][2] = {
 	{0x000160ac, 0x24611800},
 	{0x000160b0, 0x03284f3e},
 	{0x0001610c, 0x00170000},
-	{0x00016140, 0x10804008},
+	{0x00016140, 0x50804008},
 };
 
 static const u32 ar9485_1_1_mac_postamble[][5] = {
@@ -603,7 +603,7 @@ static const u32 ar9485_1_1_radio_core[][2] = {
 
 static const u32 ar9485_1_1_pcie_phy_pll_on_clkreq_enable_L1[][2] = {
 	/* Addr        allmodes */
-	{0x00018c00, 0x10052e5e},
+	{0x00018c00, 0x18052e5e},
 	{0x00018c04, 0x000801d8},
 	{0x00018c08, 0x0000080c},
 };
@@ -776,7 +776,7 @@ static const u32 ar9485_modes_green_ob_db_tx_gain_1_1[][5] = {
 
 static const u32 ar9485_1_1_pcie_phy_clkreq_disable_L1[][2] = {
 	/* Addr        allmodes */
-	{0x00018c00, 0x10013e5e},
+	{0x00018c00, 0x18013e5e},
 	{0x00018c04, 0x000801d8},
 	{0x00018c08, 0x0000080c},
 };
@@ -882,7 +882,7 @@ static const u32 ar9485_fast_clock_1_1_baseband_postamble[][3] = {
 
 static const u32 ar9485_1_1_pcie_phy_pll_on_clkreq_disable_L1[][2] = {
 	/* Addr        allmodes  */
-	{0x00018c00, 0x10012e5e},
+	{0x00018c00, 0x18012e5e},
 	{0x00018c04, 0x000801d8},
 	{0x00018c08, 0x0000080c},
 };
@@ -1021,7 +1021,7 @@ static const u32 ar9485_common_rx_gain_1_1[][2] = {
 
 static const u32 ar9485_1_1_pcie_phy_clkreq_enable_L1[][2] = {
 	/* Addr        allmodes */
-	{0x00018c00, 0x10053e5e},
+	{0x00018c00, 0x18053e5e},
 	{0x00018c04, 0x000801d8},
 	{0x00018c08, 0x0000080c},
 };
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index f16d2033081f..b479160dc262 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1724,6 +1724,9 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 	if (!ath9k_hw_init_cal(ah, chan))
 		return -EIO;
 
+	ath9k_hw_loadnf(ah, chan);
+	ath9k_hw_start_nfcal(ah, true);
+
 	ENABLE_REGWRITE_BUFFER(ah);
 
 	ath9k_hw_restore_chainmask(ah);
diff --git a/drivers/net/wireless/ath/carl9170/tx.c b/drivers/net/wireless/ath/carl9170/tx.c
index d20946939cd8..59472e1605cd 100644
--- a/drivers/net/wireless/ath/carl9170/tx.c
+++ b/drivers/net/wireless/ath/carl9170/tx.c
@@ -296,7 +296,8 @@ static void carl9170_tx_release(struct kref *ref)
 			super = (void *)skb->data;
 			txinfo->status.ampdu_len = super->s.rix;
 			txinfo->status.ampdu_ack_len = super->s.cnt;
-		} else if (txinfo->flags & IEEE80211_TX_STAT_ACK) {
+		} else if ((txinfo->flags & IEEE80211_TX_STAT_ACK) &&
+			   !(txinfo->flags & IEEE80211_TX_CTL_REQ_TX_STATUS)) {
 			/*
 			 * drop redundant tx_status reports:
 			 *
@@ -308,15 +309,17 @@ static void carl9170_tx_release(struct kref *ref)
 			 *
 			 * 3. minstrel_ht is picky, it only accepts
 			 *    reports of frames with the TX_STATUS_AMPDU flag.
+			 *
+			 * 4. mac80211 is not particularly interested in
+			 *    feedback either [CTL_REQ_TX_STATUS not set]
 			 */
 
 			dev_kfree_skb_any(skb);
 			return;
 		} else {
 			/*
-			 * Frame has failed, but we want to keep it in
-			 * case it was lost due to a power-state
-			 * transition.
+			 * Either the frame transmission has failed or
+			 * mac80211 requested tx status.
 			 */
 		}
 	}
diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index c73e8600d218..58ea0e5fabfd 100644
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -827,7 +827,6 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 #endif
 	return;
 drop:
-	b43dbg(dev->wl, "RX: Packet dropped\n");
 	dev_kfree_skb_any(skb);
 }
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index b247a56d5135..001fdf140abb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1755,16 +1755,6 @@ static inline int iwl_check_stuck_queue(struct iwl_priv *priv, int txq)
 {
 	if (iwl_trans_check_stuck_queue(trans(priv), txq)) {
 		int ret;
-		if (txq == priv->shrd->cmd_queue) {
-			/*
-			 * validate command queue still working
-			 * by sending "ECHO" command
-			 */
-			if (!iwl_cmd_echo_test(priv))
-				return 0;
-			else
-				IWL_DEBUG_HC(priv, "echo testing fail\n");
-		}
 		ret = iwl_force_reset(priv, IWL_FW_RESET, false);
 		return (ret == -EAGAIN) ? 0 : 1;
 	}
diff --git a/drivers/net/wireless/iwlwifi/iwl-pci.c b/drivers/net/wireless/iwlwifi/iwl-pci.c
index 3b6cc66365e5..19cc6a81da57 100644
--- a/drivers/net/wireless/iwlwifi/iwl-pci.c
+++ b/drivers/net/wireless/iwlwifi/iwl-pci.c
@@ -445,10 +445,9 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00);
 
 	err = pci_enable_msi(pdev);
-	if (err) {
-		dev_printk(KERN_ERR, &pdev->dev, "pci_enable_msi failed");
-		goto out_iounmap;
-	}
+	if (err)
+		dev_printk(KERN_ERR, &pdev->dev,
+			"pci_enable_msi failed(0X%x)", err);
 
 	/* TODO: Move this away, not needed if not MSI */
 	/* enable rfkill interrupt: hw bug w/a */
@@ -469,7 +468,6 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 out_disable_msi:
 	pci_disable_msi(pdev);
-out_iounmap:
 	pci_iounmap(pdev, pci_bus->hw_base);
 out_pci_release_regions:
 	pci_set_drvdata(pdev, NULL);
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
index 8e8c75c997ee..da3411057afc 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
@@ -407,6 +407,7 @@ static void iwl_tx_queue_unmap(struct iwl_trans *trans, int txq_id)
 	struct iwl_queue *q = &txq->q;
 	enum dma_data_direction dma_dir;
 	unsigned long flags;
+	spinlock_t *lock;
 
 	if (!q->n_bd)
 		return;
@@ -414,19 +415,22 @@ static void iwl_tx_queue_unmap(struct iwl_trans *trans, int txq_id)
 	/* In the command queue, all the TBs are mapped as BIDI
 	 * so unmap them as such.
 	 */
-	if (txq_id == trans->shrd->cmd_queue)
+	if (txq_id == trans->shrd->cmd_queue) {
 		dma_dir = DMA_BIDIRECTIONAL;
-	else
+		lock = &trans->hcmd_lock;
+	} else {
 		dma_dir = DMA_TO_DEVICE;
+		lock = &trans->shrd->sta_lock;
+	}
 
-	spin_lock_irqsave(&trans->shrd->sta_lock, flags);
+	spin_lock_irqsave(lock, flags);
 	while (q->write_ptr != q->read_ptr) {
 		/* The read_ptr needs to bound by q->n_window */
 		iwlagn_txq_free_tfd(trans, txq, get_cmd_index(q, q->read_ptr),
 				    dma_dir);
 		q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd);
 	}
-	spin_unlock_irqrestore(&trans->shrd->sta_lock, flags);
+	spin_unlock_irqrestore(lock, flags);
 }
 
 /**
diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c
index ff6378276ff0..4fcd653bddc4 100644
--- a/drivers/net/wireless/libertas/cfg.c
+++ b/drivers/net/wireless/libertas/cfg.c
@@ -728,15 +728,9 @@ static void lbs_scan_worker(struct work_struct *work)
 		le16_to_cpu(scan_cmd->hdr.size),
 		lbs_ret_scan, 0);
 
-	if (priv->scan_channel >= priv->scan_req->n_channels) {
+	if (priv->scan_channel >= priv->scan_req->n_channels)
 		/* Mark scan done */
-		if (priv->internal_scan)
-			kfree(priv->scan_req);
-		else
-			cfg80211_scan_done(priv->scan_req, false);
-
-		priv->scan_req = NULL;
-	}
+		lbs_scan_done(priv);
 
 	/* Restart network */
 	if (carrier)
@@ -774,6 +768,21 @@ static void _internal_start_scan(struct lbs_private *priv, bool internal,
 	lbs_deb_leave(LBS_DEB_CFG80211);
 }
 
+/*
+ * Clean up priv->scan_req.  Should be used to handle the allocation details.
+ */
+void lbs_scan_done(struct lbs_private *priv)
+{
+	WARN_ON(!priv->scan_req);
+
+	if (priv->internal_scan)
+		kfree(priv->scan_req);
+	else
+		cfg80211_scan_done(priv->scan_req, false);
+
+	priv->scan_req = NULL;
+}
+
 static int lbs_cfg_scan(struct wiphy *wiphy,
 	struct net_device *dev,
 	struct cfg80211_scan_request *request)
diff --git a/drivers/net/wireless/libertas/cfg.h b/drivers/net/wireless/libertas/cfg.h
index a02ee151710e..558168ce634d 100644
--- a/drivers/net/wireless/libertas/cfg.h
+++ b/drivers/net/wireless/libertas/cfg.h
@@ -16,6 +16,7 @@ int lbs_reg_notifier(struct wiphy *wiphy,
 void lbs_send_disconnect_notification(struct lbs_private *priv);
 void lbs_send_mic_failureevent(struct lbs_private *priv, u32 event);
 
+void lbs_scan_done(struct lbs_private *priv);
 void lbs_scan_deinit(struct lbs_private *priv);
 int lbs_disconnect(struct lbs_private *priv, u16 reason);
 
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index b03779bcd547..39a6a7a40244 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -255,10 +255,8 @@ static int lbs_eth_stop(struct net_device *dev)
 
 	lbs_update_mcast(priv);
 	cancel_delayed_work_sync(&priv->scan_work);
-	if (priv->scan_req) {
-		cfg80211_scan_done(priv->scan_req, false);
-		priv->scan_req = NULL;
-	}
+	if (priv->scan_req)
+		lbs_scan_done(priv);
 
 	netif_carrier_off(priv->dev);