UPSTREAM: drivers/intel/fsp2_0: Fix array indexing error

Don't allow an array index of 2 to be processed by the code referencing
the array.

Found-by: Coverity CID 1353337

TEST=None

Change-Id: I586ca14416a6e40971f8f6f4066fbdb4908ca688
Original-Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Original-Reviewed-on: https://review.coreboot.org/14868
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
(cherry-picked from commit 016d8f75d8)
Signed-off-by: Martin Roth <martinroth@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/346521
Reviewed-by: Stefan Reinauer <reinauer@google.com>
Commit-Queue: Stefan Reinauer <reinauer@google.com>
Tested-by: Stefan Reinauer <reinauer@google.com>
This commit is contained in:
Lee Leahy 2016-05-17 08:40:02 -07:00 committed by ChromeOS Commit Bot
commit 85bf5d6c2f

View file

@ -1,7 +1,7 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015 Intel Corp.
* Copyright (C) 2015 - 2016 Intel Corp.
* (Written by Alexandru Gagniuc <alexandrux.gagniuc@intel.com> for Intel Corp.)
*
* This program is free software; you can redistribute it and/or modify
@ -67,7 +67,7 @@ enum cb_err fsp_fill_lb_framebuffer(struct lb_framebuffer *framebuffer)
return CB_ERR;
}
if (ginfo->pixel_format > ARRAY_SIZE(fsp_framebuffer_format_map)) {
if (ginfo->pixel_format >= ARRAY_SIZE(fsp_framebuffer_format_map)) {
printk(BIOS_ALERT, "FSP set unknown framebuffer format: %d\n",
ginfo->pixel_format);
return CB_ERR;