[PATCH 02/25] staging: xgifb: XGIfb_mode_rate_to_ddata: initialize ModeIdIndex properly

[Aaro Koskinen]

Initialize ModeIdIndex according to the selected video mode. Currently
index 0 is always used and wrong video mode data may be used.

Signed-off-by: Aaro Koskinen <aaro.koskinen at iki.fi>
---
 drivers/staging/xgifb/XGI_main_26.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/staging/xgifb/XGI_main_26.c b/drivers/staging/xgifb/XGI_main_26.c
index 1cd1a70..acf253c 100644
--- a/drivers/staging/xgifb/XGI_main_26.c
+++ b/drivers/staging/xgifb/XGI_main_26.c
@@ -190,7 +190,7 @@ static int XGIfb_mode_rate_to_ddata(struct vb_device_info *XGI_Pr,
 		u32 *vmode)
 {
 	unsigned short ModeNo = modeno;
-	unsigned short ModeIdIndex = 0, index = 0;
+	unsigned short ModeIdIndex, index = 0;
 	unsigned short RefreshRateTableIndex = 0;
 
 	unsigned short VRE, VBE, VRS, VBS, VDE, VT;
@@ -199,6 +199,8 @@ static int XGIfb_mode_rate_to_ddata(struct vb_device_info *XGI_Pr,
 	unsigned long cr_data3;
 	int A, B, C, D, E, F, temp, j;
 	InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
+	if (!XGI_SearchModeID(ModeNo, &ModeIdIndex, XGI_Pr))
+		return 0;
 	RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
 			ModeIdIndex, XGI_Pr);
 	index = XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_CRT1CRTC;
-- 
1.7.2.5