diff options
| -rw-r--r-- | ryu/app/rest_firewall.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/ryu/app/rest_firewall.py b/ryu/app/rest_firewall.py index a2938a67..e67ccd59 100644 --- a/ryu/app/rest_firewall.py +++ b/ryu/app/rest_firewall.py @@ -217,8 +217,11 @@ class FirewallOfsList(dict): super(FirewallOfsList, self).__init__() def get_ofs(self, dp_id): + if len(self) == 0: + raise ValueError('firewall sw is not connected.') + dps = {} - if dp_id == REST_ALL and len(self) > 0: + if dp_id == REST_ALL: dps = self else: try: |