There's another place where nvramtool can look for
the CMOS checksum specification.
When using nvramtool on files (instead of CMOS and runtime firmware)
it's the only place.

Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com>
Acked-by: Stefan Reinauer <stepan@coreboot.org>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6282 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/util/nvramtool/lbtable.c b/util/nvramtool/lbtable.c
index 3753737..142937a 100644
--- a/util/nvramtool/lbtable.c
+++ b/util/nvramtool/lbtable.c
@@ -632,6 +632,10 @@
 
 	checksum = (struct cmos_checksum *)find_lbrec(LB_TAG_OPTION_CHECKSUM);
 
+	if (checksum == NULL) {
+		checksum = (struct cmos_checksum *)next_cmos_rec((const struct lb_record *)first_cmos_table_enum(), LB_TAG_OPTION_CHECKSUM);
+	}
+
 	if (checksum != NULL) {	/* We are lucky.  The coreboot table hints us to the checksum.
 				 * We might have to check the type field here though.
 				 */