[libvirt] [PATCH] qemu: Fix startupPolicy regression

[Eric Blake]

>     qemu: check backing chains even when cgroup is omitted
> 
> added backing file checks just before the code that removes optional
> disks if they are not present. However, the backing chain code fails
> in
> case the disk file does not exist, which makes qemuProcessStart fail
> regardless on configured startupPolicy.

Ahh, this does make sense. Thanks for the fast cleanup, on a case I hadn't tested.

-- 
Eric Blake   eblake at redhat.com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org