root@OpenWrt:~# ls /dev/mtd*
/dev/mtd0 /dev/mtd1ro /dev/mtd3 /dev/mtd4ro /dev/mtdblock0 /dev/mtdblock3
/dev/mtd0ro /dev/mtd2 /dev/mtd3ro /dev/mtd5 /dev/mtdblock1 /dev/mtdblock4
/dev/mtd1 /dev/mtd2ro /dev/mtd4 /dev/mtd5ro /dev/mtdblock2 /dev/mtdblock5
root@OpenWrt:~#

is recovery as easy as a missing unformated partition?