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

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On 9/13/2023 7:13 PM, oushixiong wrote:
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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(-)

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;
--
2.25.1


LGTM! Thanks again.

Reviewed-by: Brett Creeley <brett.creeley@xxxxxxx>



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