net/dns: remove Cleanup manager parameter.

It's only use to skip some optional initialization during cleanup,
but that work is very minor anyway, and about to change drastically.

Signed-off-by: David Anderson <danderson@tailscale.com>
This commit is contained in:
David Anderson
2021-04-01 23:04:23 -07:00
parent cf361bb9b1
commit 95470c3448
4 changed files with 2 additions and 31 deletions

View File

@@ -1,17 +0,0 @@
// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package dns
type noopManager struct{}
// Up implements managerImpl.
func (m noopManager) Up(Config) error { return nil }
// Down implements managerImpl.
func (m noopManager) Down() error { return nil }
func newNoopManager(mconfig ManagerConfig) managerImpl {
return noopManager{}
}