Re: [PATCH v2 2/2] hw/nvme: cleanup error reporting in nvme_init_pci()

[Klaus Jensen]

On Nov 10 11:00, Markus Armbruster wrote:
> Klaus Jensen <its@irrelevant.dk> writes:
> 
> > From: Klaus Jensen <k.jensen@samsung.com>
> >
> > Replace the local Error variable with errp and ERRP_GUARD() and change
> > the return value to bool.
> >
> > Reviewed-by: Markus Armbruster <armbru@redhat.com>
> > Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
> > ---
> >  hw/nvme/ctrl.c | 23 ++++++++++-------------
> >  1 file changed, 10 insertions(+), 13 deletions(-)
> >
> > diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c
> > index a5c0a5fa6ce2..e23af4db91ae 100644
> > --- a/hw/nvme/ctrl.c
> > +++ b/hw/nvme/ctrl.c
> > @@ -7343,15 +7343,14 @@ static int nvme_add_pm_capability(PCIDevice 
> > *pci_dev, uint8_t offset)
> >      return 0;
> >  }
> >  
> > -static int nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, Error **errp)
> > +static bool nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, Error **errp)
> >  {
> > +    ERRP_GUARD();
> >      uint8_t *pci_conf = pci_dev->config;
> >      uint64_t bar_size;
> >      unsigned msix_table_offset, msix_pba_offset;
> >      int ret;
> >  
> > -    Error *err = NULL;
> > -
> >      pci_conf[PCI_INTERRUPT_PIN] = 1;
> >      pci_config_set_prog_interface(pci_conf, 0x2);
> >  
> > @@ -7388,14 +7387,12 @@ static int nvme_init_pci(NvmeCtrl *n, PCIDevice 
> > *pci_dev, Error **errp)
> >      }
> >      ret = msix_init(pci_dev, n->params.msix_qsize,
> >                      &n->bar0, 0, msix_table_offset,
> > -                    &n->bar0, 0, msix_pba_offset, 0, &err);
> > -    if (ret < 0) {
> > -        if (ret == -ENOTSUP) {
> > -            warn_report_err(err);
> > -        } else {
> > -            error_propagate(errp, err);
> > -            return ret;
> > -        }
> > +                    &n->bar0, 0, msix_pba_offset, 0, errp);
> > +    if (ret == -ENOTSUP) {
> > +        warn_report_err(*errp);
> > +        *errp = NULL;
> > +    } else {
> 
> Uh, shouldn't this be
> 
>        } else if (ret < 0) {
> 
> ?
> 

Yikes. Yes.

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