if export_partdevice partdev 1; then
mkdir -p /boot
[ -f /boot/kernel.img ] || mount -t vfat -o rw,noatime "/dev/$partdev" /boot
- cp -af "$CONF_TAR" "/boot/$BACKUP_FILE"
- tar -C / -zxvf "$CONF_TAR" boot/config.txt
+ cp -af "$UPGRADE_BACKUP" "/boot/$BACKUP_FILE"
+ tar -C / -zxvf "$UPGRADE_BACKUP" boot/config.txt
sync
unmount /boot
fi