That's undefined behavior in C Change-Id: I671ed8abf02e57a7cc993d1a85354e905f51717d Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Found-by: Coverity Scan #1229557 Reviewed-on: https://review.coreboot.org/18014 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>