Re: [PATCH] vfio/pds: Use proper PF device access helper

From: Alex Williamson
Date: Mon Sep 18 2023 - 16:52:03 EST


On Thu, 14 Sep 2023 10:13:32 +0800
oushixiong <oushixiong@xxxxxxxxxx> wrote:

> From: Shixiong Ou <oushixiong@xxxxxxxxxx>
>
> The pci_physfn() helper exists to support cases where the physfn
> field may not be compiled into the pci_dev structure. We've
> declared this driver dependent on PCI_IOV to avoid this problem,
> but regardless we should follow the precedent not to access this
> field directly.
>
> Signed-off-by: Shixiong Ou <oushixiong@xxxxxxxxxx>
> ---
>
> This patch changes the subject line and commit log, and the previous
> patch's links is:
> https://patchwork.kernel.org/project/kvm/patch/20230911080828.635184-1-oushixiong@xxxxxxxxxx/
>
> drivers/vfio/pci/pds/vfio_dev.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

Applied to vfio for-linus branch for v6.6. Thanks,

Alex

>
> diff --git a/drivers/vfio/pci/pds/vfio_dev.c b/drivers/vfio/pci/pds/vfio_dev.c
> index b46174f5eb09..649b18ee394b 100644
> --- a/drivers/vfio/pci/pds/vfio_dev.c
> +++ b/drivers/vfio/pci/pds/vfio_dev.c
> @@ -162,7 +162,7 @@ static int pds_vfio_init_device(struct vfio_device *vdev)
> pci_id = PCI_DEVID(pdev->bus->number, pdev->devfn);
> dev_dbg(&pdev->dev,
> "%s: PF %#04x VF %#04x vf_id %d domain %d pds_vfio %p\n",
> - __func__, pci_dev_id(pdev->physfn), pci_id, vf_id,
> + __func__, pci_dev_id(pci_physfn(pdev)), pci_id, vf_id,
> pci_domain_nr(pdev->bus), pds_vfio);
>
> return 0;