neofb: use display information in info not in var for panning

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>
Cc: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

diff --git a/drivers/video/neofb.c b/drivers/video/neofb.c
index 588527a254c27ead542b906d7f4045aa6aff1955..feea7b1dc3860a3f28965995d9aa24968cb7312d 100644 (file)
--- a/drivers/video/neofb.c
+++ b/drivers/video/neofb.c
@@ -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();