[libvirt] [PATCH] xen_xs: Guard against set but empty kernel argument

[Guido Günther]

On Mon, Oct 10, 2011 at 01:24:35PM -0600, Eric Blake wrote:
> On 10/10/2011 09:14 AM, Guido Guenther wrote:
> >On xen 4.1 I observied configurations that look like:
> 
> s/observied/observed/
> 
> >
> >(image
> >     (hvm
> >         (kernel '')
> >         (loader '/foo/bar')
> >))
> >
> >The kernel element is there but unset. This leads to an emtpy<kernel/>
> >element in the XML and even worse makes us skip the boot order parsing
> >and therefore not emit a<boot device='$dev>'/>  element which breaks CD
> >booting.
> >
> >O.k. to apply?
> >Cheers,
> >  -- Guido
> >
> 
> ACK.
Pushed. Thanks,
 -- Guido