staging: vt6655: replace typedef struct tagSCTS with struct vnt_cts

Replacing members
b, wDuration_ba, wReserved, data and reserved2
with
b, duration_ba, reserved, data and reserved2

unsigned short is replaced with u16 or __le16 where necessary.

cast void pointer to pvCTS

Creating the new structure in rxtx.h
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6655/desc.h

@@ -355,16 +355,6 @@ union vnt_phy_field_swap {
 //
 // CTS buffer header
 //
-typedef struct tagSCTS {
-	struct vnt_phy_field b;
-	unsigned short wDuration_ba;
-	unsigned short wReserved;
-	struct ieee80211_cts data;
-	u16 reserved2;
-} __attribute__ ((__packed__))
-SCTS, *PSCTS;
-typedef const SCTS *PCSCTS;
-
 typedef struct tagSCTS_FB {
 	struct vnt_phy_field b;
 	unsigned short wDuration_ba;

drivers/staging/vt6655/rxtx.c

@@ -1071,26 +1071,29 @@ s_vFillCTSHead(
 			memcpy(&pBuf->data.ra, pDevice->abyCurrentNetAddr, ETH_ALEN);
 
 		} else { //if (byFBOption != AUTO_FB_NONE && uDMAIdx != TYPE_ATIMDMA && uDMAIdx != TYPE_BEACONDMA)
-			PSCTS pBuf = (PSCTS)pvCTS;
+			struct vnt_cts *buf = pvCTS;
 			/* Get SignalField, ServiceField & Length */
 			vnt_get_phy_field(pDevice, uCTSFrameLen,
 					  pDevice->byTopCCKBasicRate,
-					  PK_TYPE_11B, &pBuf->b);
+					  PK_TYPE_11B, &buf->b);
 
-			//Get CTSDuration_ba
-			pBuf->wDuration_ba = cpu_to_le16((unsigned short)s_uGetRTSCTSDuration(pDevice, CTSDUR_BA, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //3:CTSDuration_ba, 1:2.4G, 2,3:2.4G OFDM Data
-			pBuf->wDuration_ba += pDevice->wCTSDuration;
-			pBuf->wDuration_ba = cpu_to_le16(pBuf->wDuration_ba);
+			/* Get CTSDuration_ba */
+			buf->duration_ba =
+				cpu_to_le16((u16)s_uGetRTSCTSDuration(pDevice, CTSDUR_BA, cbFrameLength,
+								      byPktType, wCurrentRate, bNeedAck,
+								      byFBOption));
+			buf->duration_ba += pDevice->wCTSDuration;
+			buf->duration_ba = cpu_to_le16(buf->duration_ba);
 
-			//Get CTS Frame body
-			pBuf->data.duration = pBuf->wDuration_ba;
+			/* Get CTS Frame body */
+			buf->data.duration = buf->duration_ba;
 
-			pBuf->data.frame_control =
+			buf->data.frame_control =
 				cpu_to_le16(IEEE80211_FTYPE_CTL |
 					    IEEE80211_STYPE_CTS);
 
-			pBuf->reserved2 = 0x0;
-			memcpy(&pBuf->data.ra, pDevice->abyCurrentNetAddr, ETH_ALEN);
+			buf->reserved2 = 0x0;
+			memcpy(&buf->data.ra, pDevice->abyCurrentNetAddr, ETH_ALEN);
 		}
 	}
 }
@@ -1390,10 +1393,11 @@ s_cbFillTxBufHead(struct vnt_private *pDevice, unsigned char byPktType,
 				pvRrvTime = (void *)(pbyTxBufferAddr + wTxBufSize);
 				pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_cts));
 				pvRTS = NULL;
-				pvCTS = (PSCTS) (pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_cts) + cbMICHDR);
-				pvTxDataHd = (void *)(pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_cts) + cbMICHDR + sizeof(SCTS));
+				pvCTS = (void *) (pbyTxBufferAddr + wTxBufSize + sizeof(struct vnt_rrv_time_cts) + cbMICHDR);
+				pvTxDataHd = (void *)(pbyTxBufferAddr + wTxBufSize +
+						sizeof(struct vnt_rrv_time_cts) + cbMICHDR + sizeof(struct vnt_cts));
 				cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_cts) +
-							cbMICHDR + sizeof(SCTS) + sizeof(struct vnt_tx_datahead_g);
+							cbMICHDR + sizeof(struct vnt_cts) + sizeof(struct vnt_tx_datahead_g);
 			}
 		} else {
 			// Auto Fall Back
@@ -2126,7 +2130,7 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, PSTxMgmtPacket pPacket)
 	unsigned char byPktType;
 	unsigned char *pbyTxBufferAddr;
 	void *pvRTS;
-	PSCTS           pCTS;
+	struct vnt_cts *pCTS;
 	void *pvTxDataHd;
 	unsigned int uDuration;
 	unsigned int cbReqCount;
@@ -2264,12 +2268,12 @@ CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, PSTxMgmtPacket pPacket)
 		pvRrvTime = (void *) (pbyTxBufferAddr + wTxBufSize);
 		pMICHDR = NULL;
 		pvRTS = NULL;
-		pCTS = (PSCTS) (pbyTxBufferAddr + wTxBufSize +
+		pCTS = (struct vnt_cts *)(pbyTxBufferAddr + wTxBufSize +
 					sizeof(struct vnt_rrv_time_cts));
 		pvTxDataHd = (void *)(pbyTxBufferAddr + wTxBufSize +
-				sizeof(struct vnt_rrv_time_cts) + sizeof(SCTS));
+				sizeof(struct vnt_rrv_time_cts) + sizeof(struct vnt_cts));
 		cbHeaderSize = wTxBufSize + sizeof(struct vnt_rrv_time_cts) +
-					sizeof(SCTS) + sizeof(struct vnt_tx_datahead_g);
+				sizeof(struct vnt_cts) + sizeof(struct vnt_tx_datahead_g);
 	} else { // 802.11a/b packet
 		pvRrvTime = (void *)(pbyTxBufferAddr + wTxBufSize);
 		pMICHDR = NULL;
@@ -2754,12 +2758,12 @@ void vDMA0_tx_80211(struct vnt_private *pDevice, struct sk_buff *skb,
 		pMICHDR = (struct vnt_mic_hdr *)(pbyTxBufferAddr + wTxBufSize +
 					sizeof(struct vnt_rrv_time_cts));
 		pvRTS = NULL;
-		pvCTS = (PSCTS) (pbyTxBufferAddr + wTxBufSize +
+		pvCTS = (struct vnt_cts *)(pbyTxBufferAddr + wTxBufSize +
 				sizeof(struct vnt_rrv_time_cts) + cbMICHDR);
 		pvTxDataHd = (void *)(pbyTxBufferAddr + wTxBufSize +
-			sizeof(struct vnt_rrv_time_cts) + cbMICHDR + sizeof(SCTS));
+			sizeof(struct vnt_rrv_time_cts) + cbMICHDR + sizeof(struct vnt_cts));
 		cbHeaderSize = wTxBufSize + sizeof(struct vnt_rrv_time_cts) +
-				cbMICHDR + sizeof(SCTS) + sizeof(struct vnt_tx_datahead_g);
+				cbMICHDR + sizeof(struct vnt_cts) + sizeof(struct vnt_tx_datahead_g);
 
 	} else {//802.11a/b packet
 

drivers/staging/vt6655/rxtx.h

@@ -154,6 +154,15 @@ struct vnt_rts_a_fb {
 	struct ieee80211_rts data;
 } __packed;
 
+/* CTS buffer header */
+struct vnt_cts {
+	struct vnt_phy_field b;
+	__le16 duration_ba;
+	u16 reserved;
+	struct ieee80211_cts data;
+	u16 reserved2;
+} __packed;
+
 struct vnt_tx_short_buf_head {
 	__le16 fifo_ctl;
 	u16 time_stamp;