Initialise ret

diff --git a/exec/xenrt/objects.py b/exec/xenrt/objects.py
index 79cc06b7d8beda76d0d61d37eb66dcc29ede2db8..a0d4e3132e96eaabb8049f221b459139e6122266 100755 (executable)
--- a/exec/xenrt/objects.py
+++ b/exec/xenrt/objects.py
@@ -6830,6 +6830,7 @@ chain tftp://${next-server}/%s
         return subnetMask,gateway
 
     def getChainBoot(self, overrideBoot=None):
+        ret = None
         if not overrideBoot:
             overrideBoot = self.lookup("OVERRIDE_BOOT_TYPE", None)
         if overrideBoot: