staging: vt6655: struct tagDEVICE_TD_INFO resize dwReqCount.

dwReqCount is no bigger than u16

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6655/desc.h

@@ -245,7 +245,7 @@ typedef struct tagDEVICE_TD_INFO {
 	struct sk_buff *skb;
 	unsigned char *buf;
 	dma_addr_t          buf_dma;
-	unsigned long dwReqCount;
+	u16 dwReqCount;
 	unsigned long dwHeaderLength;
 	unsigned char byFlags;
 } DEVICE_TD_INFO,    *PDEVICE_TD_INFO;

drivers/staging/vt6655/device_main.c

@@ -1193,7 +1193,7 @@ static int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb)
 
 	/* Set TSR1 & ReqCount in TxDescHead */
 	head_td->td1.tcr |= (TCR_STP | TCR_EDP | EDMSDU);
-	head_td->td1.req_count = cpu_to_le16((u16)head_td->pTDInfo->dwReqCount);
+	head_td->td1.req_count = cpu_to_le16(head_td->pTDInfo->dwReqCount);
 
 	head_td->buff_addr = cpu_to_le32(head_td->pTDInfo->buf_dma);
 

drivers/staging/vt6655/rxtx.c

@@ -1200,7 +1200,7 @@ s_cbFillTxBufHead(struct vnt_private *pDevice, unsigned char byPktType,
 
 	ptdCurr = (PSTxDesc)pHeadTD;
 
-	ptdCurr->pTDInfo->dwReqCount = cbReqCount;
+	ptdCurr->pTDInfo->dwReqCount = (u16)cbReqCount;
 	ptdCurr->pTDInfo->dwHeaderLength = cbHeaderLength;
 
 	return cbHeaderLength;