5 files changed, 31 insertions, 27 deletions

diff --git a/drivers/net/wireless/rtlwifi/base.c b/drivers/net/wireless/rtlwifi/base.c
index 510023554e5..e54488db0e1 100644
--- a/drivers/net/wireless/rtlwifi/base.c
+++ b/drivers/net/wireless/rtlwifi/base.c
@@ -838,7 +838,10 @@ void rtl_get_tcb_desc(struct ieee80211_hw *hw,
 	__le16 fc = hdr->frame_control;
 
 	txrate = ieee80211_get_tx_rate(hw, info);
-	tcb_desc->hw_rate = txrate->hw_value;
+	if (txrate)
+		tcb_desc->hw_rate = txrate->hw_value;
+	else
+		tcb_desc->hw_rate = 0;
 
 	if (ieee80211_is_data(fc)) {
 		/*
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
index 07dd38efe62..288b035a357 100644
--- a/drivers/net/wireless/rtlwifi/pci.c
+++ b/drivers/net/wireless/rtlwifi/pci.c
@@ -912,8 +912,13 @@ static void _rtl_pci_prepare_bcn_tasklet(struct ieee80211_hw *hw)
 	memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc));
 	ring = &rtlpci->tx_ring[BEACON_QUEUE];
 	pskb = __skb_dequeue(&ring->queue);
-	if (pskb)
+	if (pskb) {
+		struct rtl_tx_desc *entry = &ring->desc[ring->idx];
+		pci_unmap_single(rtlpci->pdev, rtlpriv->cfg->ops->get_desc(
+				 (u8 *) entry, true, HW_DESC_TXBUFF_ADDR),
+				 pskb->len, PCI_DMA_TODEVICE);
 		kfree_skb(pskb);
+	}
 
 	/*NB: the beacon data buffer must be 32-bit aligned. */
 	pskb = ieee80211_beacon_get(hw, mac->vif);
diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/sw.c b/drivers/net/wireless/rtlwifi/rtl8192de/sw.c
index 4898c502974..480862c07f9 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192de/sw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192de/sw.c
@@ -91,7 +91,6 @@ static int rtl92d_init_sw_vars(struct ieee80211_hw *hw)
 	u8 tid;
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
-	static int header_print;
 
 	rtlpriv->dm.dm_initialgain_enable = true;
 	rtlpriv->dm.dm_flag = 0;
@@ -171,10 +170,6 @@ static int rtl92d_init_sw_vars(struct ieee80211_hw *hw)
 	for (tid = 0; tid < 8; tid++)
 		skb_queue_head_init(&rtlpriv->mac80211.skb_waitq[tid]);
 
-	/* Only load firmware for first MAC */
-	if (header_print)
-		return 0;
-
 	/* for firmware buf */
 	rtlpriv->rtlhal.pfirmware = vzalloc(0x8000);
 	if (!rtlpriv->rtlhal.pfirmware) {
@@ -186,7 +181,6 @@ static int rtl92d_init_sw_vars(struct ieee80211_hw *hw)
 	rtlpriv->max_fw_size = 0x8000;
 	pr_info("Driver for Realtek RTL8192DE WLAN interface\n");
 	pr_info("Loading firmware file %s\n", rtlpriv->cfg->fw_name);
-	header_print++;
 
 	/* request fw */
 	err = request_firmware_nowait(THIS_MODULE, 1, rtlpriv->cfg->fw_name,
diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c
index 2e1e352864b..d04dbda13f5 100644
--- a/drivers/net/wireless/rtlwifi/usb.c
+++ b/drivers/net/wireless/rtlwifi/usb.c
@@ -124,46 +124,38 @@ static int _usbctrl_vendorreq_sync_read(struct usb_device *udev, u8 request,
 	return status;
 }
 
-static u32 _usb_read_sync(struct usb_device *udev, u32 addr, u16 len)
+static u32 _usb_read_sync(struct rtl_priv *rtlpriv, u32 addr, u16 len)
 {
+	struct device *dev = rtlpriv->io.dev;
+	struct usb_device *udev = to_usb_device(dev);
 	u8 request;
 	u16 wvalue;
 	u16 index;
-	u32 *data;
-	u32 ret;
+	__le32 *data = &rtlpriv->usb_data[rtlpriv->usb_data_index];
 
-	data = kmalloc(sizeof(u32), GFP_KERNEL);
-	if (!data)
-		return -ENOMEM;
 	request = REALTEK_USB_VENQT_CMD_REQ;
 	index = REALTEK_USB_VENQT_CMD_IDX; /* n/a */
 
 	wvalue = (u16)addr;
 	_usbctrl_vendorreq_sync_read(udev, request, wvalue, index, data, len);
-	ret = le32_to_cpu(*data);
-	kfree(data);
-	return ret;
+	if (++rtlpriv->usb_data_index >= RTL_USB_MAX_RX_COUNT)
+		rtlpriv->usb_data_index = 0;
+	return le32_to_cpu(*data);
 }
 
 static u8 _usb_read8_sync(struct rtl_priv *rtlpriv, u32 addr)
 {
-	struct device *dev = rtlpriv->io.dev;
-
-	return (u8)_usb_read_sync(to_usb_device(dev), addr, 1);
+	return (u8)_usb_read_sync(rtlpriv, addr, 1);
 }
 
 static u16 _usb_read16_sync(struct rtl_priv *rtlpriv, u32 addr)
 {
-	struct device *dev = rtlpriv->io.dev;
-
-	return (u16)_usb_read_sync(to_usb_device(dev), addr, 2);
+	return (u16)_usb_read_sync(rtlpriv, addr, 2);
 }
 
 static u32 _usb_read32_sync(struct rtl_priv *rtlpriv, u32 addr)
 {
-	struct device *dev = rtlpriv->io.dev;
-
-	return _usb_read_sync(to_usb_device(dev), addr, 4);
+	return _usb_read_sync(rtlpriv, addr, 4);
 }
 
 static void _usb_write_async(struct usb_device *udev, u32 addr, u32 val,
@@ -955,6 +947,11 @@ int __devinit rtl_usb_probe(struct usb_interface *intf,
 		return -ENOMEM;
 	}
 	rtlpriv = hw->priv;
+	rtlpriv->usb_data = kzalloc(RTL_USB_MAX_RX_COUNT * sizeof(u32),
+				    GFP_KERNEL);
+	if (!rtlpriv->usb_data)
+		return -ENOMEM;
+	rtlpriv->usb_data_index = 0;
 	init_completion(&rtlpriv->firmware_loading_complete);
 	SET_IEEE80211_DEV(hw, &intf->dev);
 	udev = interface_to_usbdev(intf);
@@ -1025,6 +1022,7 @@ void rtl_usb_disconnect(struct usb_interface *intf)
 	/* rtl_deinit_rfkill(hw); */
 	rtl_usb_deinit(hw);
 	rtl_deinit_core(hw);
+	kfree(rtlpriv->usb_data);
 	rtlpriv->cfg->ops->deinit_sw_leds(hw);
 	rtlpriv->cfg->ops->deinit_sw_vars(hw);
 	_rtl_usb_io_handler_release(hw);
diff --git a/drivers/net/wireless/rtlwifi/wifi.h b/drivers/net/wireless/rtlwifi/wifi.h
index b591614c3b9..28ebc69218a 100644
--- a/drivers/net/wireless/rtlwifi/wifi.h
+++ b/drivers/net/wireless/rtlwifi/wifi.h
@@ -67,7 +67,7 @@
 #define QOS_QUEUE_NUM				4
 #define RTL_MAC80211_NUM_QUEUE			5
 #define REALTEK_USB_VENQT_MAX_BUF_SIZE		254
-
+#define RTL_USB_MAX_RX_COUNT			100
 #define QBSS_LOAD_SIZE				5
 #define MAX_WMMELE_LENGTH			64
 
@@ -1629,6 +1629,10 @@ struct rtl_priv {
 	   interface or hardware */
 	unsigned long status;
 
+	/* data buffer pointer for USB reads */
+	__le32 *usb_data;
+	int usb_data_index;
+
 	/*This must be the last item so
 	   that it points to the data allocated
 	   beyond  this structure like: