Re: [Qemu-devel] [PATCH 06/12] chardev: remove unused 'sioc' variable & cleanup paths

["Daniel P. Berrangé" <berrange@redhat.com>]

On Wed, Jan 16, 2019 at 06:24:49AM +0100, Thomas Huth wrote:
> On 2019-01-15 15:52, Daniel P. Berrangé wrote:
> > The 'sioc' variable in qmp_chardev_open_socket was unused since
> > 
> >   commit 3e7d4d20d3a528b1ed10b1dc3d83119bfb0c5f24
> >   Author: Peter Xu <peterx@redhat.com>
> >   Date:   Tue Mar 6 13:33:17 2018 +0800
> > 
> >     chardev: use chardev's gcontext for async connect
> [...]
> > -error:
> > -    if (sioc) {
> > -        object_unref(OBJECT(sioc));
> > -    }
> 
> So who is doing the object_unref() now in case of errors? That commit
> did not take care of it ... so it sounds like we could be leaving
> references behind in case of errors here?

As shown in the patch diff chunks, no code is ever setting "sioc" in
this method, so it can't ever be non-NULL

Regards,
Daniel
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