From 690d8f3d4061443b149b13f96116ad72e5dcb06c Mon Sep 17 00:00:00 2001
From: Alessandro Pilotti <ap@pilotti.it>
Date: Sun, 3 Mar 2013 01:40:11 +0200
Subject: [PATCH] Fixes live migration with attached volumes issue

Fixes Bug: 1140917

Live migration fails when there are volumes attached to the instance

Change-Id: I27b39ac41e97840d2a60006b1c74f6d256bc53b7
---
 nova/compute/api.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nova/compute/api.py b/nova/compute/api.py
index 27a9bed5cc62..53bba667ed00 100644
--- a/nova/compute/api.py
+++ b/nova/compute/api.py
@@ -2425,7 +2425,7 @@ class API(base.Base):
             bdms = self.get_instance_bdms(context, instance)
 
         for bdm in bdms:
-            if (block_device.strip_dev(bdm.device_name) ==
+            if (block_device.strip_dev(bdm['device_name']) ==
                 block_device.strip_dev(instance['root_device_name'])):
                 return True
         else: