staging: xgifb: make DAC tables const

DAC tables are read-only and can be made const.
Signed-off-by: NAaro Koskinen <aaro.koskinen@iki.fi>
Reviewed-by: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/xgifb/vb_setmode.c

@@ -16,7 +16,7 @@
 
 #define  IndexMask 0xff
 
-static unsigned short XGINew_MDA_DAC[] = {
+static const unsigned short XGINew_MDA_DAC[] = {
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15,
 	0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15,
@@ -26,7 +26,7 @@ static unsigned short XGINew_MDA_DAC[] = {
 	0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15,
 	0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F};
 
-static unsigned short XGINew_CGA_DAC[] = {
+static const unsigned short XGINew_CGA_DAC[] = {
 	0x00, 0x10, 0x04, 0x14, 0x01, 0x11, 0x09, 0x15,
 	0x00, 0x10, 0x04, 0x14, 0x01, 0x11, 0x09, 0x15,
 	0x2A, 0x3A, 0x2E, 0x3E, 0x2B, 0x3B, 0x2F, 0x3F,
@@ -36,7 +36,7 @@ static unsigned short XGINew_CGA_DAC[] = {
 	0x2A, 0x3A, 0x2E, 0x3E, 0x2B, 0x3B, 0x2F, 0x3F,
 	0x2A, 0x3A, 0x2E, 0x3E, 0x2B, 0x3B, 0x2F, 0x3F};
 
-static unsigned short XGINew_EGA_DAC[] = {
+static const unsigned short XGINew_EGA_DAC[] = {
 	0x00, 0x10, 0x04, 0x14, 0x01, 0x11, 0x05, 0x15,
 	0x20, 0x30, 0x24, 0x34, 0x21, 0x31, 0x25, 0x35,
 	0x08, 0x18, 0x0C, 0x1C, 0x09, 0x19, 0x0D, 0x1D,
@@ -46,7 +46,7 @@ static unsigned short XGINew_EGA_DAC[] = {
 	0x0A, 0x1A, 0x0E, 0x1E, 0x0B, 0x1B, 0x0F, 0x1F,
 	0x2A, 0x3A, 0x2E, 0x3E, 0x2B, 0x3B, 0x2F, 0x3F};
 
-static unsigned short XGINew_VGA_DAC[] = {
+static const unsigned short XGINew_VGA_DAC[] = {
 	0x00, 0x10, 0x04, 0x14, 0x01, 0x11, 0x09, 0x15,
 	0x2A, 0x3A, 0x2E, 0x3E, 0x2B, 0x3B, 0x2F, 0x3F,
 	0x00, 0x05, 0x08, 0x0B, 0x0E, 0x11, 0x14, 0x18,
@@ -1701,7 +1701,8 @@ static void XGI_LoadDAC(unsigned short ModeNo, unsigned short ModeIdIndex,
 		struct vb_device_info *pVBInfo)
 {
 	unsigned short data, data2, time, i, j, k, m, n, o, si, di, bx, dl, al,
-			ah, dh, *table = NULL;
+			ah, dh;
+	const unsigned short *table = NULL;
 
 	if (ModeNo <= 0x13)
 		data = pVBInfo->SModeIDTable[ModeIdIndex].St_ModeFlag;