From 2f398106e2e558000b481f4f9c80a65e7be2fd36 Mon Sep 17 00:00:00 2001
From: David Anderson <danderson@tailscale.com>
Date: Thu, 8 Apr 2021 16:23:33 -0700
Subject: [PATCH] ipn/ipnlocal: allow setting MagicDNS without
 DefaultResolvers.

Signed-off-by: David Anderson <danderson@tailscale.com>
---
 ipn/ipnlocal/local.go | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/ipn/ipnlocal/local.go b/ipn/ipnlocal/local.go
index 6395be9f9..bbb92343d 100644
--- a/ipn/ipnlocal/local.go
+++ b/ipn/ipnlocal/local.go
@@ -1523,12 +1523,7 @@ func (b *LocalBackend) authReconfig() {
 			}
 			dcfg.Hosts[name] = ips
 		}
-		enableMagicDNS := nm.DNS.Proxied
-		if enableMagicDNS && len(nm.DNS.Resolvers) == 0 {
-			b.logf("[unexpected] dns proxied but no nameservers")
-			enableMagicDNS = false
-		}
-		if enableMagicDNS {
+		if nm.DNS.Proxied { // actually means "enable MagicDNS"
 			dcfg.Hosts = map[string][]netaddr.IP{}
 			set(nm.Name, nm.Addresses)
 			for _, peer := range nm.Peers {