include/blobutil: simplify check_defconfig()

Signed-off-by: Leah Rowe <leah@libreboot.org>

include/blobutil.sh

@@ -47,11 +47,10 @@ eval "${setvars}"
 
 check_defconfig()
 {
-	no_config="printf \"No target defconfig in %s\\n\" ${1} 1>&2; return 1"
 	for x in "${1}"/config/*; do
-		[ -f "${x}" ] && no_config=""
+		[ -f "${x}" ] && return 0
 	done
-	eval "${no_config}"
+	return 1
 }
 
 fetch()

script/update/blobs/inject

@@ -171,7 +171,8 @@ patch_rom()
 	[ -f "${rom%_nomicrocode.rom}.rom" ] && \
 	[ "${release_archive}" = "y" ] && return 0
 
-	check_defconfig "${boarddir}" || exit 1	
+	check_defconfig "${boarddir}" || err "patch_rom ${rom}: no defconfig"
+
 	set -- "${boarddir}/config/"*
 	. "${1}" 2>/dev/null