Test for devno != -1 before trying to access array[devno] (which may be array[-1]). Change-Id: Ia69cc7eba0335f02bb0efec003a320a3c0646acb Signed-off-by: Patrick Georgi <patrick@georgi-clan.de> Found-by: Coverity Scan Reviewed-on: http://review.coreboot.org/8509 Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>