From 65db33fec0b3551040ffe8eb23a1b0b5c1f835c2 Mon Sep 17 00:00:00 2001
From: Lin Ma <lma@suse.com>
Date: Thu, 23 Nov 2017 17:32:45 +0800
Subject: [PATCH] virtinst: Add a compare_controller function for future use

Signed-off-by: Lin Ma <lma@suse.com>
---
 virtinst/device.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/virtinst/device.py b/virtinst/device.py
index 4f9dcb2cf..c160378be 100644
--- a/virtinst/device.py
+++ b/virtinst/device.py
@@ -72,6 +72,12 @@ class VirtualDeviceAddress(XMLBuilder):
             raise ValueError(_("Could not determine or unsupported "
                                "format of '%s'") % addrstr)
 
+    def compare_controller(self, controller, dev_bus):
+        if (controller.type == dev_bus and
+            controller.index == self.controller):
+            return True
+        return False
+
 
     type = XMLProperty("./@type")
     # type=pci