Remove closed connections from the parent's tracking list

src/lib/io/master.c

@@ -2574,6 +2574,7 @@ static int mod_close(fr_listen_t *li)
 	fr_io_instance_t const *inst;
 	fr_io_connection_t *connection;
 	fr_listen_t *child;
+	fr_io_client_t *parent;
 
 	get_inst(li, &inst, NULL, &connection, &child);
 
@@ -2597,6 +2598,15 @@ static int mod_close(fr_listen_t *li)
 	if (connection->client->pending) {
 		TALLOC_FREE(connection->client->pending); /* for any pending packets */
 	}
+
+	/*
+	 *	Remove the connection from the parent's connection set
+	 */
+	parent = connection->parent;
+	pthread_mutex_lock(&parent->mutex);
+	fr_hash_table_remove(parent->ht, connection);
+	pthread_mutex_unlock(&parent->mutex);
+
 	talloc_free(connection->dl_inst);
 
 	return 0;