From: Dan Wendlandt <dan@nicira.com>
Date: Mon, 17 Sep 2012 06:48:19 +0000 (-0700)
Subject: ovs-lib: make db_get_map return empty dict on error
X-Git-Url: https://review.fuel-infra.org/gitweb?a=commitdiff_plain;h=8ba098a65acafe4ffde1b51f97f7b6a1b45e6d99;p=openstack-build%2Fneutron-build.git

ovs-lib: make db_get_map return empty dict on error

bug 1050504

this fixes a crash caused when we try to iterate over the return value
of db_get_map

Change-Id: I56640035c3e166ddcc3d23e76be9118604dbeadc
---

diff --git a/quantum/agent/linux/ovs_lib.py b/quantum/agent/linux/ovs_lib.py
index 064454491..9eaa67e30 100644
--- a/quantum/agent/linux/ovs_lib.py
+++ b/quantum/agent/linux/ovs_lib.py
@@ -179,6 +179,7 @@ class OVSBridge:
         if output:
             str = output.rstrip("\n\r")
             return self.db_str_to_map(str)
+        return {}
 
     def db_get_val(self, table, record, column):
         output = self.run_vsctl(["get", table, record, column])