Re: [PATCH 06/12] hw/xen: add get_frontend_path() method to XenDeviceClass

[David Woodhouse <dwmw2@xxxxxxxxxxxxx>]

On Tue, 2023-10-24 at 14:29 +0100, David Woodhouse wrote:
> 
> > > As a general rule (I'll be doing a bombing run on xen-bus once I get my
> > > patch queue down into single digits) we should never check 'if (*errp)'
> > > to check if a function had an error. It should *also* return a success
> > > or failure indication, and we should cope with errp being NULL.
> > > 
> > 
> > I'm pretty sure someone told me the exact opposite a few years back.
> 
> Then they were wrong :)


cf. https://gitlab.com/qemu-project/qemu/-/commit/e3fe3988d7

"Whenever practical, also return a value that indicates success / failure"

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