Re: [Xen-devel] [PATCH v2] xen: use qdev_unplug() instead of g_free() in xen_pv_find_xendev()

[Juergen Gross <jgross@xxxxxxxx>]

On 01/02/17 21:20, Peter Maydell wrote:
> On 1 February 2017 at 19:37, Stefano Stabellini <sstabellini@xxxxxxxxxx> 
> wrote:
>> Hi Peter,
>>
>> do you think this is acceptable?
> 
> The set of operations here is basically what I suggested
> in review of v1, so I think it is the right thing.
> OTOH this is a bit of an odd corner of the QOM model
> so it might be worth doing some testing to make sure
> the reference counts are doing what you (I) expect and
> that the object does get correctly freed both in the
> error-handling path here and when the device is
> unplugged via xen_pv_del_xendev().

I've used my_g_free() printing a log message when called instead of
g_free() in a test. I could verify it has been called when the
device was unplugged. This test covered xen_pv_del_xendev() and
an error handling path.


Juergen

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