Clang Static Analyzer version 8.0.0 detects null pointer argument
in call to memory copy function. Add sanity check for pointer header
to prevent null pointer dereference.
TEST=Built and boot up to kernel.
Change-Id: I7027b7cae3009a5481048bfa0536a6cbd9bef683
Signed-off-by: John Zhao <john.zhao@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33051
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lance Zhao <lance.zhao@gmail.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
2ba303e49d