vga16fb: 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>

diff --git a/drivers/video/vga16fb.c b/drivers/video/vga16fb.c
index 305c975..0267acd 100644 (file)
--- a/drivers/video/vga16fb.c
+++ b/drivers/video/vga16fb.c
@@ -207,7 +207,7 @@ static void vga16fb_pan_var(struct fb_info *info,
         * granularity if someone supports xoffset in bit resolution */
        vga_io_r(VGA_IS1_RC);           /* reset flip-flop */
        vga_io_w(VGA_ATT_IW, VGA_ATC_PEL);
-       if (var->bits_per_pixel == 8)
+       if (info->var.bits_per_pixel == 8)
                vga_io_w(VGA_ATT_IW, (xoffset & 3) << 1);
        else
                vga_io_w(VGA_ATT_IW, xoffset & 7);