From 0ac2130590624b9031390a70a3cf7a11d9028d1b Mon Sep 17 00:00:00 2001
From: David Crawshaw <crawshaw@tailscale.com>
Date: Fri, 25 Jun 2021 09:51:49 -0700
Subject: [PATCH] net/dns: resolveConfExists reading the wrong error

Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
---
 net/dns/direct.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/dns/direct.go b/net/dns/direct.go
index 879c62bbf..e8d9552cf 100644
--- a/net/dns/direct.go
+++ b/net/dns/direct.go
@@ -216,7 +216,8 @@ func (m directManager) restoreBackup() error {
 	if err != nil {
 		return err
 	}
-	if _, err := m.fs.Stat(resolvConf); err != nil && !os.IsNotExist(err) {
+	_, err = m.fs.Stat(resolvConf)
+	if err != nil && !os.IsNotExist(err) {
 		return err
 	}
 	resolvConfExists := !os.IsNotExist(err)