Re: [PATCH net-next 2/2] qlcnic: Use pci_enable_msix_exact() instead of pci_enable_msix()

[Alexander Gordeev]

On Fri, Apr 25, 2014 at 08:48:14AM +0000, Shahed Shaikh wrote:
> > diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
> > b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
> > index dbf7539..26f022b 100644
> > --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
> > +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
> > @@ -690,8 +690,8 @@ int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter
> > *adapter)
> >  		adapter->msix_entries[vector].entry = vector;
> > 
> >  restore:
> > -	err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
> > -	if (err > 0) {
> > +	err = pci_enable_msix_exact(pdev, adapter->msix_entries,
> > num_msix);
> > +	if (err == -ENOSPC) {
> >  		if (!adapter->drv_tss_rings && !adapter->drv_rss_rings)
> >  			return -ENOSPC;
> 
> I think, it would be good if we return "err" instead of "-ENOSPC" .
>   
>                 if (!adapter->drv_tss_rings && !adapter->drv_rss_rings)
> -                       return -ENOSPC;
> +                       return err;

At this point "err" could only be -ENOSPC. I am not sure why returning
"err" is better, but I'll repost if you insist.

> 
> Thanks,
> Shahed
> 

-- 
Regards,
Alexander Gordeev
agordeev@xxxxxxxxxx
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