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| author | John Zhao <john.zhao@intel.com> | 2019-05-31 09:58:49 -0700 |
|---|---|---|
| committer | Philipp Deppenwiese <zaolin.daisuki@gmail.com> | 2019-06-05 13:02:32 +0000 |
| commit | d3a73280cc8e01a28cbdb1a4d086e4dda7b35f0c (patch) | |
| tree | d829ab7951dc30703124594f162f24640d9a8d09 /src/drivers/intel | |
| parent | c53665ce55ba4f5a670caf382213d984a2991900 (diff) | |
| download | coreboot-d3a73280cc8e01a28cbdb1a4d086e4dda7b35f0c.tar.xz | |
src/drivers/intel: Avoid NULL pointer dereference
Coverity detects pointer fih as FORWARD_NULL. Add sanity check
for fih to prevent NULL pointer dereference.
BUG=CID 1401717
TEST=Built and boot up to kernel.
Change-Id: Ia6853e5302c87d9ffe52b942f067be56f6e77406
Signed-off-by: John Zhao <john.zhao@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33150
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Christian Walter <christian.walter@9elements.com>
Diffstat (limited to 'src/drivers/intel')
| -rw-r--r-- | src/drivers/intel/fsp1_1/car.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/drivers/intel/fsp1_1/car.c b/src/drivers/intel/fsp1_1/car.c index 10f9524650..dd17664036 100644 --- a/src/drivers/intel/fsp1_1/car.c +++ b/src/drivers/intel/fsp1_1/car.c @@ -120,6 +120,9 @@ void mainboard_romstage_entry(unsigned long bist) * the flash is memory mapped CPU's address space. */ FSP_INFO_HEADER *fih = find_fsp((uintptr_t)rdev_mmap_full(prog_rdev(&fsp))); + if (!fih) + die("Invalid FSP header\n"); + cache_as_ram_stage_main(fih); } |