From 12ae2d73b35c73653cea9b22ed2d1e8d1afdb5e1 Mon Sep 17 00:00:00 2001
From: Brad Fitzpatrick <bradfitz@tailscale.com>
Date: Mon, 29 Mar 2021 12:42:43 -0700
Subject: [PATCH] control/controlclient: fix TS_DEBUG_MAP on requests

The concrete type being encoded changed from a value to pointer
earlier and this was never adjusted.

(People don't frequently use TS_DEBUG_MAP to see requests, so it went
unnoticed until now.)

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
---
 control/controlclient/direct.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/control/controlclient/direct.go b/control/controlclient/direct.go
index 57631b72e..47c53ee47 100644
--- a/control/controlclient/direct.go
+++ b/control/controlclient/direct.go
@@ -950,7 +950,7 @@ func encode(v interface{}, serverKey *wgkey.Key, mkey *wgkey.Private) ([]byte, e
 		return nil, err
 	}
 	if debugMap {
-		if _, ok := v.(tailcfg.MapRequest); ok {
+		if _, ok := v.(*tailcfg.MapRequest); ok {
 			log.Printf("MapRequest: %s", b)
 		}
 	}