[libvirt] PATCH: Fix NULL checks in openvz driver

[Jim Meyering]

"Daniel P. Berrange" <berrange at redhat.com> wrote:
> On Fri, Sep 05, 2008 at 05:40:16PM +0200, Jim Meyering wrote:
...
>> All looks correct.
>> However, I'm a little nervous about hard-coding those '[3]'s.
>> What if someone inserts a new --foo option somewhere before
>> the NULL place-holder, or otherwise rearranges the options?
>> Then we'll have to remember to update that "3" below to e.g., "4".
>> Easy to miss that...
>
> I just realized there is a much simpler way todo this...
...
> -    const char *prog[] = {VZCTL, "--quiet", "stop", vm->def->name, NULL};
> +    const char *prog[] = {VZCTL, "--quiet", "stop", vm ? vm->def->name : NULL, NULL};

Ahh... much better ;-)
ACK