From b1d5548fa777a876b91cb15e9967427f0e5a8c84 Mon Sep 17 00:00:00 2001
From: Brad Fitzpatrick <brad@danga.com>
Date: Thu, 19 Mar 2020 20:00:32 -0700
Subject: [PATCH] tailcfg: make NodeKey.IsZero have a value receiver

---
 tailcfg/tailcfg.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tailcfg/tailcfg.go b/tailcfg/tailcfg.go
index 8804557c4..715ec2df1 100644
--- a/tailcfg/tailcfg.go
+++ b/tailcfg/tailcfg.go
@@ -467,9 +467,9 @@ func (k *NodeKey) UnmarshalText(text []byte) error {
 	return nil
 }
 
-func (k *NodeKey) IsZero() bool {
-	z := NodeKey{}
-	return bytes.Equal(k[:], z[:])
+// IsZero reports whether k is the NodeKey zero value.
+func (k NodeKey) IsZero() bool {
+	return k == NodeKey{}
 }
 
 func (id ID) String() string           { return fmt.Sprintf("id:%x", int64(id)) }