neofb: 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 08:33:02 +0000 (10:33 +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/neofb.c

index 588527a254c27ead542b906d7f4045aa6aff1955..feea7b1dc3860a3f28965995d9aa24968cb7312d 100644 (file)
@@ -1185,8 +1185,8 @@ static int neofb_pan_display(struct fb_var_screeninfo *var,
 
        DBG("neofb_update_start");
 
-       Base = (var->yoffset * var->xres_virtual + var->xoffset) >> 2;
-       Base *= (var->bits_per_pixel + 7) / 8;
+       Base = (var->yoffset * info->var.xres_virtual + var->xoffset) >> 2;
+       Base *= (info->var.bits_per_pixel + 7) / 8;
 
        neoUnlock();