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
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/14868
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
This commit is contained in:
Lee Leahy 2016-05-17 08:40:02 -07:00 committed by Leroy P Leahy
parent 451b1e0b9d
commit 016d8f75d8
1 changed files with 2 additions and 2 deletions

View File

@ -1,7 +1,7 @@
/* /*
* This file is part of the coreboot project. * 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.) * (Written by Alexandru Gagniuc <alexandrux.gagniuc@intel.com> for Intel Corp.)
* *
* This program is free software; you can redistribute it and/or modify * 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; 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", printk(BIOS_ALERT, "FSP set unknown framebuffer format: %d\n",
ginfo->pixel_format); ginfo->pixel_format);
return CB_ERR; return CB_ERR;