Messages in this thread | | | Subject | Re: [PATCH mlx5-next 3/7] vfio/pci_core: Make the region->release() function optional | From | Max Gurtovoy <> | Date | Thu, 23 Sep 2021 16:57:16 +0300 |
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On 9/22/2021 1:38 PM, Leon Romanovsky wrote: > From: Yishai Hadas <yishaih@nvidia.com> > > Make the region->release() function optional as in some cases there is > nothing to do by driver as part of it. > > This is needed for coming patch from this series once we add > mlx5_vfio_cpi driver to support live migration but we don't need a
mlx5_vfio_pci *typo
> migration release function. > > Signed-off-by: Yishai Hadas <yishaih@nvidia.com> > Signed-off-by: Leon Romanovsky <leonro@nvidia.com> > --- > drivers/vfio/pci/vfio_pci_core.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/vfio/pci/vfio_pci_core.c b/drivers/vfio/pci/vfio_pci_core.c > index 68198e0f2a63..3ddc3adb24de 100644 > --- a/drivers/vfio/pci/vfio_pci_core.c > +++ b/drivers/vfio/pci/vfio_pci_core.c > @@ -341,7 +341,8 @@ void vfio_pci_core_disable(struct vfio_pci_core_device *vdev) > vdev->virq_disabled = false; > > for (i = 0; i < vdev->num_regions; i++) > - vdev->region[i].ops->release(vdev, &vdev->region[i]); > + if (vdev->region[i].ops->release) > + vdev->region[i].ops->release(vdev, &vdev->region[i]); > > vdev->num_regions = 0; > kfree(vdev->region);
Looks good,
Reviewed-by: Max Gurtovoy <mgurtovoy@nvidia.com>
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