1 files changed, 58 insertions, 61 deletions

diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c
index ae842db..8946e8a 100644
--- a/drivers/net/wireless/ath/ath9k/hif_usb.c
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.c
@@ -363,9 +363,9 @@ static void ath9k_hif_usb_rx_stream(struct hif_device_usb *hif_dev,
 				    struct sk_buff *skb)
 {
 	struct sk_buff *nskb, *skb_pool[MAX_PKT_NUM_IN_TRANSFER];
-	int index = 0, i = 0, chk_idx, len = skb->len;
-	int rx_remain_len = 0, rx_pkt_len = 0;
-	u16 pkt_len, pkt_tag, pool_index = 0;
+	int index = 0, i = 0, len = skb->len;
+	int rx_remain_len, rx_pkt_len;
+	u16 pool_index = 0;
 	u8 *ptr;
 
 	spin_lock(&hif_dev->rx_lock);
@@ -399,64 +399,64 @@ static void ath9k_hif_usb_rx_stream(struct hif_device_usb *hif_dev,
 	spin_unlock(&hif_dev->rx_lock);
 
 	while (index < len) {
+		u16 pkt_len;
+		u16 pkt_tag;
+		u16 pad_len;
+		int chk_idx;
+
 		ptr = (u8 *) skb->data;
 
 		pkt_len = ptr[index] + (ptr[index+1] << 8);
 		pkt_tag = ptr[index+2] + (ptr[index+3] << 8);
 
-		if (pkt_tag == ATH_USB_RX_STREAM_MODE_TAG) {
-			u16 pad_len;
-
-			pad_len = 4 - (pkt_len & 0x3);
-			if (pad_len == 4)
-				pad_len = 0;
-
-			chk_idx = index;
-			index = index + 4 + pkt_len + pad_len;
-
-			if (index > MAX_RX_BUF_SIZE) {
-				spin_lock(&hif_dev->rx_lock);
-				hif_dev->rx_remain_len = index - MAX_RX_BUF_SIZE;
-				hif_dev->rx_transfer_len =
-					MAX_RX_BUF_SIZE - chk_idx - 4;
-				hif_dev->rx_pad_len = pad_len;
-
-				nskb = __dev_alloc_skb(pkt_len + 32,
-						       GFP_ATOMIC);
-				if (!nskb) {
-					dev_err(&hif_dev->udev->dev,
-					"ath9k_htc: RX memory allocation"
-					" error\n");
-					spin_unlock(&hif_dev->rx_lock);
-					goto err;
-				}
-				skb_reserve(nskb, 32);
-				RX_STAT_INC(skb_allocated);
-
-				memcpy(nskb->data, &(skb->data[chk_idx+4]),
-				       hif_dev->rx_transfer_len);
-
-				/* Record the buffer pointer */
-				hif_dev->remain_skb = nskb;
+		if (pkt_tag != ATH_USB_RX_STREAM_MODE_TAG) {
+			RX_STAT_INC(skb_dropped);
+			return;
+		}
+
+		pad_len = 4 - (pkt_len & 0x3);
+		if (pad_len == 4)
+			pad_len = 0;
+
+		chk_idx = index;
+		index = index + 4 + pkt_len + pad_len;
+
+		if (index > MAX_RX_BUF_SIZE) {
+			spin_lock(&hif_dev->rx_lock);
+			hif_dev->rx_remain_len = index - MAX_RX_BUF_SIZE;
+			hif_dev->rx_transfer_len =
+				MAX_RX_BUF_SIZE - chk_idx - 4;
+			hif_dev->rx_pad_len = pad_len;
+
+			nskb = __dev_alloc_skb(pkt_len + 32, GFP_ATOMIC);
+			if (!nskb) {
+				dev_err(&hif_dev->udev->dev,
+					"ath9k_htc: RX memory allocation error\n");
 				spin_unlock(&hif_dev->rx_lock);
-			} else {
-				nskb = __dev_alloc_skb(pkt_len + 32, GFP_ATOMIC);
-				if (!nskb) {
-					dev_err(&hif_dev->udev->dev,
-					"ath9k_htc: RX memory allocation"
-					" error\n");
-					goto err;
-				}
-				skb_reserve(nskb, 32);
-				RX_STAT_INC(skb_allocated);
-
-				memcpy(nskb->data, &(skb->data[chk_idx+4]), pkt_len);
-				skb_put(nskb, pkt_len);
-				skb_pool[pool_index++] = nskb;
+				goto err;
 			}
+			skb_reserve(nskb, 32);
+			RX_STAT_INC(skb_allocated);
+
+			memcpy(nskb->data, &(skb->data[chk_idx+4]),
+			       hif_dev->rx_transfer_len);
+
+			/* Record the buffer pointer */
+			hif_dev->remain_skb = nskb;
+			spin_unlock(&hif_dev->rx_lock);
 		} else {
-			RX_STAT_INC(skb_dropped);
-			return;
+			nskb = __dev_alloc_skb(pkt_len + 32, GFP_ATOMIC);
+			if (!nskb) {
+				dev_err(&hif_dev->udev->dev,
+					"ath9k_htc: RX memory allocation error\n");
+				goto err;
+			}
+			skb_reserve(nskb, 32);
+			RX_STAT_INC(skb_allocated);
+
+			memcpy(nskb->data, &(skb->data[chk_idx+4]), pkt_len);
+			skb_put(nskb, pkt_len);
+			skb_pool[pool_index++] = nskb;
 		}
 	}
 
@@ -471,7 +471,7 @@ err:
 static void ath9k_hif_usb_rx_cb(struct urb *urb)
 {
 	struct sk_buff *skb = (struct sk_buff *) urb->context;
-	struct hif_device_usb *hif_dev = (struct hif_device_usb *)
+	struct hif_device_usb *hif_dev =
 		usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
 	int ret;
 
@@ -518,7 +518,7 @@ static void ath9k_hif_usb_reg_in_cb(struct urb *urb)
 {
 	struct sk_buff *skb = (struct sk_buff *) urb->context;
 	struct sk_buff *nskb;
-	struct hif_device_usb *hif_dev = (struct hif_device_usb *)
+	struct hif_device_usb *hif_dev =
 		usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
 	int ret;
 
@@ -993,8 +993,7 @@ static void ath9k_hif_usb_reboot(struct usb_device *udev)
 static void ath9k_hif_usb_disconnect(struct usb_interface *interface)
 {
 	struct usb_device *udev = interface_to_usbdev(interface);
-	struct hif_device_usb *hif_dev =
-		(struct hif_device_usb *) usb_get_intfdata(interface);
+	struct hif_device_usb *hif_dev = usb_get_intfdata(interface);
 
 	if (hif_dev) {
 		ath9k_htc_hw_deinit(hif_dev->htc_handle,
@@ -1016,8 +1015,7 @@ static void ath9k_hif_usb_disconnect(struct usb_interface *interface)
 static int ath9k_hif_usb_suspend(struct usb_interface *interface,
 				 pm_message_t message)
 {
-	struct hif_device_usb *hif_dev =
-		(struct hif_device_usb *) usb_get_intfdata(interface);
+	struct hif_device_usb *hif_dev = usb_get_intfdata(interface);
 
 	ath9k_hif_usb_dealloc_urbs(hif_dev);
 
@@ -1026,8 +1024,7 @@ static int ath9k_hif_usb_suspend(struct usb_interface *interface,
 
 static int ath9k_hif_usb_resume(struct usb_interface *interface)
 {
-	struct hif_device_usb *hif_dev =
-		(struct hif_device_usb *) usb_get_intfdata(interface);
+	struct hif_device_usb *hif_dev = usb_get_intfdata(interface);
 	struct htc_target *htc_handle = hif_dev->htc_handle;
 	int ret;