The field wasn't initialized in RAM first and later overwritten in a somewhat twisted way (that relied on the size field coming after the tag field in the struct). Change-Id: Ibe931b297df51e3c46ae163e059338781f5a27e2 Found-by: Coverity Scan Signed-off-by: Patrick Georgi <patrick@georgi-clan.de> Reviewed-on: http://review.coreboot.org/4087 Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Tested-by: build bot (Jenkins)