data1.cpio: ASCII cpio archive (pre-SVR4 or odc)
initrd-ls: incorrect cpio method used: use -H newc option
ret=1

data2.cpio: ASCII cpio archive (SVR4 with CRC)
initrd-ls: no cpio magic
ret=1

data3.cpio: ASCII cpio archive (SVR4 with no CRC)
1	cpio archive, size 1024 bytes
ret=0

rc=0
