[libvirt] [PATCH] uml: avoid crash on partial read

[Jim Meyering]

Eric Blake wrote:
> According to Jim Meyering on 3/3/2010 2:29 AM:
>>>   ACK, looks fine !
>>
>> I pushed this, and then (sorry I missed it the first time)
>> noticed that we'd rather avoid that new use of errno.
>> errno is not defined for a shorter-than-expected read, so including
>> strerror(errno) in the diagnostic would be misleading.
>
> Good point.  Were you planning on the followup patch for this, or do I
> need to pick up the slack?

I figured you'd do it while addressing the malicious input problem
a few lines below.