From 2cad22d41f621dc86401730d5dcec3191347054e Mon Sep 17 00:00:00 2001
From: Keir Fraser <keir.fraser@citrix.com>
Date: Thu, 4 Jun 2009 10:37:39 +0100
Subject: [PATCH] xend: pass-through: report attach errors from device model

Cc: Masaki Kanno <kanno.masaki@jp.fujitsu.com>
Cc: Edwin Zhai <edwin.zhai@intel.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
---
 tools/python/xen/xend/XendDomainInfo.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/python/xen/xend/XendDomainInfo.py b/tools/python/xen/xend/XendDomainInfo.py
index b4e6e49cf5..b1befd7267 100644
--- a/tools/python/xen/xend/XendDomainInfo.py
+++ b/tools/python/xen/xend/XendDomainInfo.py
@@ -752,6 +752,12 @@ class XendDomainInfo:
 
             vslot = xstransact.Read("/local/domain/0/device-model/%i/parameter"
                                     % self.getDomid())
+            try:
+                vslot_int = int(vslot, 16)
+            except ValueError:
+                raise VmError(("Cannot pass-through PCI function '%s'. " +
+                               "Device model reported an error: %s") %
+                              (bdf_str, vslot))
         else:
             vslot = new_dev['vslot']
 
-- 
2.30.2