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>

parent 2883ceba

drivers/video/vga16fb.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);