diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c
index 2ed045d..7d0b74c 100644
--- a/drivers/staging/vt6656/rxtx.c
+++ b/drivers/staging/vt6656/rxtx.c
@@ -629,6 +629,28 @@
 	return 0;
 }
 
+static u16 vnt_rxtx_rts(struct vnt_usb_send_context *tx_context,
+	union vnt_tx_head *tx_head, u8 pkt_type, u32 frame_size,
+	int need_ack, u16 current_rate)
+{
+	struct vnt_private *priv = tx_context->priv;
+	struct vnt_rrv_time_rts *buf = &tx_head->tx_rts.rts;
+
+	buf->rts_rrv_time_aa = s_uGetRTSCTSRsvTime(priv, 2,
+				pkt_type, frame_size, current_rate);
+	buf->rts_rrv_time_ba = s_uGetRTSCTSRsvTime(priv, 1,
+				pkt_type, frame_size, current_rate);
+	buf->rts_rrv_time_bb = s_uGetRTSCTSRsvTime(priv, 0,
+				pkt_type, frame_size, current_rate);
+
+	buf->rrv_time_a = vnt_rxtx_rsvtime_le16(priv, pkt_type, frame_size,
+							current_rate, need_ack);
+	buf->rrv_time_b = vnt_rxtx_rsvtime_le16(priv, PK_TYPE_11B, frame_size,
+					priv->byTopCCKBasicRate, need_ack);
+
+	return 0;
+}
+
 /*+
  *
  * Description:
@@ -661,21 +683,8 @@
 
 	if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {
 		if (need_rts) {
-			struct vnt_rrv_time_rts *pBuf =
-					&tx_buffer->tx_head.tx_rts.rts;
-
-			pBuf->rts_rrv_time_aa = s_uGetRTSCTSRsvTime(pDevice, 2,
-					byPktType, cbFrameSize, wCurrentRate);
-			pBuf->rts_rrv_time_ba = s_uGetRTSCTSRsvTime(pDevice, 1,
-					byPktType, cbFrameSize, wCurrentRate);
-			pBuf->rts_rrv_time_bb = s_uGetRTSCTSRsvTime(pDevice, 0,
-				byPktType, cbFrameSize, wCurrentRate);
-
-			pBuf->rrv_time_a = vnt_rxtx_rsvtime_le16(pDevice,
-				byPktType, cbFrameSize, wCurrentRate, bNeedACK);
-			pBuf->rrv_time_b = vnt_rxtx_rsvtime_le16(pDevice,
-					PK_TYPE_11B, cbFrameSize,
-					pDevice->byTopCCKBasicRate, bNeedACK);
+			vnt_rxtx_rts(tx_context, &tx_buffer->tx_head,
+				byPktType, cbFrameSize, bNeedACK, wCurrentRate);
 
 			if (need_mic) {
 				*mic_hdr = &tx_buffer->