Fix default return value for VM_Metrics.get_state

signed-off-by: Tom Wilkie <tom.wilkie@gmail.com>

diff --git a/tools/python/xen/xend/XendVMMetrics.py b/tools/python/xen/xend/XendVMMetrics.py
index 8328340ca98481d5f349cb2fe7e34150227dc09d..e4d4e53edf16d31808419ed62ddbca331c719f44 100644 (file)
--- a/tools/python/xen/xend/XendVMMetrics.py
+++ b/tools/python/xen/xend/XendVMMetrics.py
@@ -117,7 +117,7 @@ class XendVMMetrics(XendBase):
         except Exception, err:
             # ignore missing domain
             log.trace("domain_getinfo(%d) failed, ignoring: %s", domid, str(err))
-        return ""
+        return []
 
     def get_VCPUs_params(self):
         domid = self.xend_domain_instance.getDomid()