[Xen-changelog] Deal with domain info going away (handle new error path introduced by

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

# HG changeset patch
# User shand@xxxxxxxxxxxxxxxxxxxxxxxxxxx
# Node ID bd477fcd32aba8a3196873b702ae6ea0d8a7e43b
# Parent  36f8c5900e8646b0465d92d602bd07f3d3b5a966
Deal with domain info going away (handle new error path introduced by 
cset 6828). Believe Dan Smith is working up a more comprehensive patch.

Signed-off-by: Steven Hand <steven@xxxxxxxxxxxxx>

diff -r 36f8c5900e86 -r bd477fcd32ab tools/python/xen/xend/XendDomainInfo.py
--- a/tools/python/xen/xend/XendDomainInfo.py   Thu Sep 15 01:46:40 2005
+++ b/tools/python/xen/xend/XendDomainInfo.py   Thu Sep 15 04:12:54 2005
@@ -353,7 +353,12 @@
     def update(self, info=None):
         """Update with  info from xc.domain_getinfo().
         """
-        self.info = info or dom_get(self.domid)
+        if info:
+            self.info = info
+        else:
+            di = dom_get(self.domid)
+            if not di:
+                return 
         self.memory = self.info['mem_kb'] / 1024
         self.ssidref = self.info['ssidref']
 

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