default_do_upgrade() {
sync
if [ "$UPGRADE_OPT_SAVE_CONFIG" -eq 1 ]; then
- get_image "$1" "$2" | mtd $MTD_ARGS $MTD_CONFIG_ARGS -j "$CONF_TAR" write - "${PART_NAME:-image}"
+ get_image "$1" "$2" | mtd $MTD_ARGS $MTD_CONFIG_ARGS -j "$UPGRADE_BACKUP" write - "${PART_NAME:-image}"
else
get_image "$1" "$2" | mtd $MTD_ARGS write - "${PART_NAME:-image}"
fi