Re: [PATCH] PCI: hv: fix reading of PCI_INTERRUPT_LINE and PCI_INTERRUPT_PIN

[Wei Liu <wei.liu@kernel.org>]

On Fri, Jun 21, 2024 at 04:03:27AM -0700, Saurabh Singh Sengar wrote:
> On Fri, Jun 21, 2024 at 06:19:05AM +0000, Wei Liu wrote:
> > On Fri, Jun 21, 2024 at 03:15:19AM +0000, Michael Kelley wrote:
> > > From: Wei Liu <wei.liu@kernel.org> Sent: Thursday, June 20, 2024 6:48 PM
> > > > 
> > > > The intent of the code snippet is to always return 0 for both fields.
> > > > The check is wrong though. Fix that.
> > > > 
> > > > This is discovered by this call in VFIO:
> > > > 
> > > >     pci_read_config_byte(vdev->pdev, PCI_INTERRUPT_PIN, &pin);
> > > > 
> > > > The old code does not set *val to 0 because the second half of the check is
> > > > incorrect.
> > > > 
> > > > Fixes: 4daace0d8ce85 ("PCI: hv: Add paravirtual PCI front-end for Microsoft Hyper-V
> > > > VMs")
> 
> 12 characters are preferred for Fixes commit id.
> 'Fixes: 4daace0d8ce8 ("PCI: hv: Add paravirtual PCI front-end for Microsoft Hyper-V VMs")'

Fixed. Thanks.