[Xen-changelog] [xen-unstable] xend: pass-through: device state in xenstore may be null

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1248795146 -3600
# Node ID 0c7a560822d9d9516dfc83cef6fceec944fd97a8
# Parent  6120f7a92d82ccb1747feffa1a72eb704e642fb0
xend: pass-through: device state in xenstore may be null

Signed-off-by: Tom Rotenberg <tom.rotenberg@xxxxxxxxx>
---
 tools/python/xen/xend/server/pciif.py |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletion(-)

diff -r 6120f7a92d82 -r 0c7a560822d9 tools/python/xen/xend/server/pciif.py
--- a/tools/python/xen/xend/server/pciif.py     Tue Jul 28 16:28:21 2009 +0100
+++ b/tools/python/xen/xend/server/pciif.py     Tue Jul 28 16:32:26 2009 +0100
@@ -489,7 +489,11 @@ class PciController(DevController):
         num_devs = int(self.readBackend(devid, 'num_devs'))
         new_num_devs = 0
         for i in range(num_devs):
-            state = int(self.readBackend(devid, 'state-%i' % i))
+            try:
+                state = int(self.readBackend(devid, 'state-%i' % i))
+            except:
+                state = xenbusState['Unknown']
+
             if state == xenbusState['Closing']:
                 # Detach I/O resources.
                 pci_dev = parse_pci_name(self.readBackend(devid, 'dev-%i' % i))

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