Re: [PATCH v12 vfio 3/7] vfio/pds: register with the pds_core PF

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On Sat, Jul 22, 2023 at 12:09:58AM -0700, Brett Creeley wrote:
> On 7/21/2023 2:01 AM, Tian, Kevin wrote:
> > Caution: This message originated from an External Source. Use proper caution when opening attachments, clicking links, or responding.
> > 
> > 
> > > From: Brett Creeley <brett.creeley@xxxxxxx>
> > > Sent: Thursday, July 20, 2023 6:35 AM
> > > 
> > > +void pds_vfio_unregister_client_cmd(struct pds_vfio_pci_device *pds_vfio)
> > > +{
> > > +     struct pci_dev *pdev = pds_vfio_to_pci_dev(pds_vfio);
> > > +     int err;
> > > +
> > > +     err = pds_client_unregister(pci_physfn(pdev), pds_vfio->client_id);
> > > +     if (err)
> > > +             dev_err(&pdev->dev, "unregister from DSC failed: %pe\n",
> > > +                     ERR_PTR(err));
> > 
> > Why using ERR_PTR() here? it looks a common pattern used cross
> > this series.
> 
> Yes, this is intentional. This is more readable than just printing out the
> error value.

That seems like a hack, it would be nicer if printk could format
errnos natively

Jason



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