evaluate length before doing compat stuff which might overwrite the length field we are going to evaluate. From FreeBSD, originally submitted by: pb@fasterix.freenix.org (Pierre Beyssac)
evaluate length before doing compat stuff which might overwrite the
length field we are going to evaluate. From FreeBSD, originally submitted
by: b1fa6f10731cf1ed4ca572143842214ca57c6d16@fasterix.freenix.org (Pierre Beyssac)

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars