util.pubsub: Check whether node exists, when deleting

diff --git a/util/pubsub.lua b/util/pubsub.lua
index 1ecbdfa81df130b0177ee0fb9b273f82b3884bb8..e1418c62d51fdccf96b4f8605789ce0378e11a9e 100644 (file)
--- a/util/pubsub.lua
+++ b/util/pubsub.lua
@@ -233,6 +233,9 @@ function service:delete(node, actor)
        end
        --
        local node_obj = self.nodes[node];
+       if not node_obj then
+               return false, "item-not-found";
+       end
        self.nodes[node] = nil;
        self.config.broadcaster("delete", node, node_obj.subscribers);
        return true;