Signed-off-by: WATANABE Fumitaka <[email protected]>
---
 ryu/app/rest_firewall.py |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ryu/app/rest_firewall.py b/ryu/app/rest_firewall.py
index b8919e9..0a23e03 100644
--- a/ryu/app/rest_firewall.py
+++ b/ryu/app/rest_firewall.py
@@ -452,7 +452,7 @@ class FirewallController(ControllerBase):
         msgs = {}
         for f_ofs in dps.values():
             function = getattr(f_ofs, func)
-            msg = function(waiters) if waiters else function()
+            msg = function() if waiters is None else function(waiters)
             msgs.update(msg)

         body = json.dumps(msgs)
-- 1.7.10.4



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