> From: Sean Christopherson
> Sent: Friday, November 11, 2022 8:22 AM
>
> Get a reference to KVM if and only if a vGPU is successfully attached to
> the VM to avoid leaking a reference if there's no available vGPU. On
> open_device() failure, vfio_device_open() doesn't invoke close_device().
>
> Fixes: 421cfe6596f6 ("vfio: remove VFIO_GROUP_NOTIFY_SET_KVM")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
