diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c
index 9cf5b08..0c1c46f 100644
--- a/drivers/staging/vt6656/rxtx.c
+++ b/drivers/staging/vt6656/rxtx.c
@@ -427,35 +427,38 @@
 {
 	u32 uCTSTime = 0, uDurTime = 0;
 
-    switch (byDurType) {
+	switch (byDurType) {
+	case RTSDUR_BB:
+	case RTSDUR_BA:
+	case RTSDUR_BA_F0:
+	case RTSDUR_BA_F1:
+		uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType,
+			14, pDevice->byTopCCKBasicRate);
+		uDurTime = uCTSTime + 2 * pDevice->uSIFS +
+			s_uGetTxRsvTime(pDevice, byPktType,
+						cbFrameLength, wRate, bNeedAck);
+		break;
 
-    case RTSDUR_BB:    //RTSDuration_bb
-    case RTSDUR_BA:    //RTSDuration_ba
-    case RTSDUR_BA_F0: //RTSDuration_ba_f0
-    case RTSDUR_BA_F1: //RTSDuration_ba_f1
-        uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate);
-	uDurTime = uCTSTime + 2 * pDevice->uSIFS + s_uGetTxRsvTime(pDevice,
-		byPktType, cbFrameLength, wRate, bNeedAck);
-        break;
+	case RTSDUR_AA:
+	case RTSDUR_AA_F0:
+	case RTSDUR_AA_F1:
+		uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType,
+			14, pDevice->byTopOFDMBasicRate);
+		uDurTime = uCTSTime + 2 * pDevice->uSIFS +
+			s_uGetTxRsvTime(pDevice, byPktType,
+						cbFrameLength, wRate, bNeedAck);
+		break;
 
-    case RTSDUR_AA:
-    case RTSDUR_AA_F0:
-    case RTSDUR_AA_F1: //RTSDuration_aa_f1
-        uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate);
-	uDurTime = uCTSTime + 2 * pDevice->uSIFS + s_uGetTxRsvTime(pDevice,
+	case CTSDUR_BA:
+	case CTSDUR_BA_F0:
+	case CTSDUR_BA_F1:
+		uDurTime = pDevice->uSIFS + s_uGetTxRsvTime(pDevice,
 				byPktType, cbFrameLength, wRate, bNeedAck);
-	break;
+		break;
 
-    case CTSDUR_BA:
-    case CTSDUR_BA_F0: //CTSDuration_ba_f0
-    case CTSDUR_BA_F1: //CTSDuration_ba_f1
-	uDurTime = pDevice->uSIFS + s_uGetTxRsvTime(pDevice,
-				byPktType, cbFrameLength, wRate, bNeedAck);
-	break;
-
-    default:
-        break;
-    }
+	default:
+		break;
+	}
 
 	return cpu_to_le16((u16)uDurTime);
 }