[PATCH v2] io: ftw: Use state stack instead of recursion (BZ 33882)

[DJ Delorie]

Adhemerval Zanella Netto <adhemerval.zanella@linaro.org> writes:
>> Unless you're doing this intentionally, in which case... choose a better
>> name please ;-)
>
> Ack, and even did not noticed that I mispelled in the enum name...

I have a friend who's dyslexic.  His spelling is bad, but it's
*consistently* bad, so the compiler doesn't notice...

Patch LGTM with those comments added.

Reviewed-by: DJ Delorie <dj@redhat.com>