From 63066ce4062a85224821ce302e3eb8c34e95a658 Mon Sep 17 00:00:00 2001
From: Josh Bleecher Snyder <josh@tailscale.com>
Date: Mon, 14 Dec 2020 15:28:52 -0800
Subject: device: fix persistent_keepalive_interval data races

Co-authored-by: David Anderson <danderson@tailscale.com>
Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
---
 device/peer.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'device/peer.go')

diff --git a/device/peer.go b/device/peer.go
index c2397cc..31b75c7 100644
--- a/device/peer.go
+++ b/device/peer.go
@@ -27,7 +27,7 @@ type Peer struct {
 	handshake                   Handshake
 	device                      *Device
 	endpoint                    conn.Endpoint
-	persistentKeepaliveInterval uint16
+	persistentKeepaliveInterval uint32 // accessed atomically
 	disableRoaming              bool
 
 	// These fields are accessed with atomic operations, which must be
-- 
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