A PF may automatically create VFs and the PF may be function 0.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Shivaprasad G Bhat <sbhat@linux.ibm.com>
Tested-by: Shivaprasad G Bhat <sbhat@linux.ibm.com>
---
 hw/ppc/spapr_pci.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
index 679a22fe4e79..31ffe8ba4340 100644
--- a/hw/ppc/spapr_pci.c
+++ b/hw/ppc/spapr_pci.c
@@ -1568,7 +1568,9 @@ static void spapr_pci_pre_plug(HotplugHandler *plug_handler,
      * hotplug, we do not allow functions to be hotplugged to a
      * slot that already has function 0 present
      */
-    if (plugged_dev->hotplugged && bus->devices[PCI_DEVFN(slotnr, 0)] &&
+    if (plugged_dev->hotplugged &&
+        !pci_is_vf(pdev) &&
+        bus->devices[PCI_DEVFN(slotnr, 0)] &&
         PCI_FUNC(pdev->devfn) != 0) {
         error_setg(errp, "PCI: slot %d function 0 already occupied by %s,"
                    " additional functions can no longer be exposed to guest.",

-- 
2.47.0