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-rw-r--r--ryu/app/quantum_adapter.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/ryu/app/quantum_adapter.py b/ryu/app/quantum_adapter.py
index b77451fc..eca13606 100644
--- a/ryu/app/quantum_adapter.py
+++ b/ryu/app/quantum_adapter.py
@@ -134,6 +134,8 @@ class OVSSwitch(object):
self.logger = logger
self.q_api = q_api
self.ctrl_addr = CONF.quantum_controller_addr
+ if not self.ctrl_addr:
+ raise ValueError('option quantum_controler_addr must be speicfied')
self.ovsdb_addr = None
self.tunnel_ip = None