Check for locking on set_port_mode

Change-Id: I643aaf5f67ea0c85371d686cc8f703a5773efc7f

1 files changed, 2 insertions, 0 deletions

diff --git a/util.py b/util.py
index 26421a1..714b3c4 100644
--- a/util.py
+++ b/util.py
@@ -431,6 +431,8 @@ class VlanUtil:
         port = db.get_port_by_id(port_id)
         if port is None:
             raise InputError("Port ID %d does not exist" % port_id)
+        if port.is_locked:
+            raise InputError("Port ID %d is locked" % port_id)
         if mode == 'trunk' and port.is_trunk:
             raise InputError("Port ID %d is already in trunk mode")
         if mode == 'access' and not port.is_trunk: