pm3fb: use display information in info not in var for panning
authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Wed, 25 May 2011 09:34:52 +0000 (11:34 +0200)
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Fri, 19 Aug 2011 08:34:01 +0000 (10:34 +0200)
We must not use any information in the passed var besides xoffset,
yoffset and vmode as otherwise applications might abuse it.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
drivers/video/pm3fb.c

index 6666f45a2f8ce56e03f8ecb962caad73e5b7abdd..8221b5b42da9d879b42cbe4c26808a6f5ef48057 100644 (file)
@@ -1147,9 +1147,9 @@ static int pm3fb_pan_display(struct fb_var_screeninfo *var,
                                 struct fb_info *info)
 {
        struct pm3_par *par = info->par;
-       const u32 xres = (var->xres + 31) & ~31;
+       const u32 xres = (info->var.xres + 31) & ~31;
 
-       par->base = pm3fb_shift_bpp(var->bits_per_pixel,
+       par->base = pm3fb_shift_bpp(info->var.bits_per_pixel,
                                        (var->yoffset * xres)
                                        + var->xoffset);
        PM3_WAIT(par, 1);