Since device registering is put into pci_device_add(), it must set value of Virtual Function device's member before the pci_dev is put to device tree. Or some relevant subsystem of driver model such as xen will report a incorrect IOV device to Xen hypervior. Signed-off-by: Xudong Hao <xudong.hao@xxxxxxxxx> --- drivers/pci/iov.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c index c93071d..43d3de9 100644 --- a/drivers/pci/iov.c +++ b/drivers/pci/iov.c @@ -110,12 +110,12 @@ static int virtfn_add(struct pci_dev *dev, int id, int reset) if (reset) __pci_reset_function(virtfn); - pci_device_add(virtfn, virtfn->bus); - mutex_unlock(&iov->dev->sriov->lock); - virtfn->physfn = pci_dev_get(dev); virtfn->is_virtfn = 1; + pci_device_add(virtfn, virtfn->bus); + mutex_unlock(&iov->dev->sriov->lock); + rc = pci_bus_add_device(virtfn); sprintf(buf, "virtfn%u", id); rc = sysfs_create_link(&dev->dev.kobj, &virtfn->dev.kobj, buf); -- 1.7.12.1 -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html