staging: xgifb: eliminate filter_tb global variable

filter_tb is only used inside a single function, and it does not need
to be static.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/xgifb/XGI_main.h b/drivers/staging/xgifb/XGI_main.h
index 1d0949c..78f4c93 100644 (file)
--- a/drivers/staging/xgifb/XGI_main.h
+++ b/drivers/staging/xgifb/XGI_main.h
@@ -565,6 +565,5 @@ static const struct _XGI_TV_filter {
 };
 
 static int           filter = -1;
-static unsigned char filter_tb;
 
 #endif

diff --git a/drivers/staging/xgifb/XGI_main_26.c b/drivers/staging/xgifb/XGI_main_26.c
index ba7f096..bbbcdb7 100644 (file)
--- a/drivers/staging/xgifb/XGI_main_26.c
+++ b/drivers/staging/xgifb/XGI_main_26.c
@@ -946,6 +946,8 @@ static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info)
                reg = xgifb_reg_get(XGIPART4, 0x01);
 
                if (reg < 0xB0) { /* Set filter for XGI301 */
+                       int filter_tb;
+
                        switch (xgifb_info->video_width) {
                        case 320:
                                filter_tb = (xgifb_info->TV_type ==
@@ -964,6 +966,7 @@ static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info)
                                             TVMODE_NTSC) ? 7 : 15;
                                break;
                        default:
+                               filter_tb = 0;
                                filter = -1;
                                break;
                        }