From: "Antonino A. Daplas" <adaplas@gmail.com>
The var structure in calc_mode_timings is not properly initialized (zero set)
which leads to undefined behavior when it is passed to fb_get_mode().
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
drivers/video/fbmon.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletion(-)
diff -puN drivers/video/fbmon.c~fbdev-initialize-var-structure-in-calc_mode_timings drivers/video/fbmon.c
--- 25/drivers/video/fbmon.c~fbdev-initialize-var-structure-in-calc_mode_timings Thu Sep 1 17:04:52 2005
+++ 25-akpm/drivers/video/fbmon.c Thu Sep 1 17:04:52 2005
@@ -314,11 +314,13 @@ static int edid_is_monitor_block(unsigne
return 0;
}
-static void calc_mode_timings(int xres, int yres, int refresh, struct fb_videomode *mode)
+static void calc_mode_timings(int xres, int yres, int refresh,
+ struct fb_videomode *mode)
{
struct fb_var_screeninfo var;
struct fb_info info;
+ memset(&var, 0, sizeof(struct fb_var_screeninfo));
var.xres = xres;
var.yres = yres;
fb_get_mode(FB_VSYNCTIMINGS | FB_IGNOREMON,
_