Merge branches 'pci/enumeration' and 'pci/virtualization' into next

* pci/enumeration:
  PCI: Cleanup control flow
  sparc/PCI: Claim bus resources before pci_bus_add_devices()
  PCI: Assign resources before drivers claim devices (pci_scan_root_bus())
  PCI: Assign resources before drivers claim devices (pci_scan_bus())

* pci/virtualization:
  PCI: Add ACS quirks for Intel 1G NICs

arch/x86/pci/common.c

@@ -490,7 +490,9 @@ void pcibios_scan_root(int busnum)
 	if (!bus) {
 		pci_free_resource_list(&resources);
 		kfree(sd);
+		return;
 	}
+	pci_bus_add_devices(bus);
 }
 
 void __init pcibios_set_cache_line_size(void)