merge heads

Author: berrange

virtinst/Guest.py

@@ -152,9 +152,7 @@ def get_xml_config(self, disknode):
                 ret += "      <driver name='%(name)s'/>\n" % { "name": self.driver_name }
             else:
                 ret += "      <driver name='%(name)s' type='%(type)s'/>\n" % { "name": self.driver_name, "type": self.driver_type }
-        if self.path is None:
-            ret += "      <source %(typeattr)s=''/>\n" % { "typeattr": typeattr }
-        else:
+        if self.path is not None:
             ret += "      <source %(typeattr)s='%(disk)s'/>\n" % { "typeattr": typeattr, "disk": self.path }
         if self.target is not None:
             disknode = self.target