Staging: xgifb: Rework conditions in XGI_GetVBInfo().

Rework some conditions to reduce indentation and fix style warnings.
Signed-off-by: Miguel Gómez <magomez@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/xgifb/vb_setmode.c

@@ -2611,7 +2611,9 @@ static void XGI_GetVBInfo(unsigned short ModeNo, unsigned short ModeIdIndex,
 	pVBInfo->ModeType = modeflag & ModeTypeMask;
 	tempbx = 0;
 
-	if (pVBInfo->VBType & 0xFFFF) {
+	if (!(pVBInfo->VBType & 0xFFFF))
+		return;
+
 	/* Check Display Device */
 	temp = xgifb_reg_get(pVBInfo->P3d4, 0x30);
 	tempbx = tempbx | temp;
@@ -2629,22 +2631,18 @@ static void XGI_GetVBInfo(unsigned short ModeNo, unsigned short ModeIdIndex,
 
 	if (pVBInfo->IF_DEF_LCDA == 1) {
 
-			if ((HwDeviceExtension->jChipType >= XG20) ||
-			    (HwDeviceExtension->jChipType >= XG40)) {
-				if (pVBInfo->IF_DEF_LVDS == 0) {
+		if (((HwDeviceExtension->jChipType >= XG20) ||
+		     (HwDeviceExtension->jChipType >= XG40)) &&
+		    (pVBInfo->IF_DEF_LVDS == 0)) {
 			if (pVBInfo->VBType &
 			    (VB_SIS302B |
 			     VB_SIS301LV |
 			     VB_SIS302LV |
 			     VB_XGI301C)) {
 				if (temp & EnableDualEdge) {
-							tempbx |=
-							    SetCRT2ToDualEdge;
-
+					tempbx |= SetCRT2ToDualEdge;
 					if (temp & SetToLCDA)
-								tempbx |=
-								  XGI_SetCRT2ToLCDA;
-						}
+						tempbx |= XGI_SetCRT2ToLCDA;
 				}
 			}
 		}
@@ -2791,7 +2789,6 @@ static void XGI_GetVBInfo(unsigned short ModeNo, unsigned short ModeIdIndex,
 			pVBInfo->SetFlag |= ReserveTVOption;
 		}
 	}
-	}
 
 	pVBInfo->VBInfo = tempbx;
 }