This change is cosmetic. A comment is added explaining why we need to check for
the availability of function 0 when we hotplug a device.
CC: m...@redhat.com
Signed-off-by: Ani Sinha <anisi...@redhat.com>
---
hw/pci/pci.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index bf38905b7d..847e534f68 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -1179,6 +1179,11 @@ static PCIDevice *do_pci_register_device(PCIDevice
*pci_dev,
PCI_SLOT(devfn), PCI_FUNC(devfn), name,
bus->devices[devfn]->name, bus->devices[devfn]->qdev.id);
return NULL;
+ /*
+ * Populating function 0 triggers a scan from the guest that
+ * exposes other non-zero functions. Hence we need to ensure that
+ * function 0 wasn't added yet.
+ */
} else if (dev->hotplugged &&
!pci_is_vf(pci_dev) &&
pci_get_function_0(pci_dev)) {
--
2.39.1
