device: remove unnecessary zeroing in peer.SendKeepalive

elem.packet is always already nil.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>

diff --git a/device/send.go b/device/send.go
index 8def4ce87cab6ab078a434fca1b3b510a9c172c8..b9bcb330a3f270b214f34200d7dd84bb76411b89 100644 (file)
--- a/device/send.go
+++ b/device/send.go
@@ -76,7 +76,6 @@ func (elem *QueueOutboundElement) clearPointers() {
 func (peer *Peer) SendKeepalive() {
        if len(peer.queue.staged) == 0 && peer.isRunning.Get() {
                elem := peer.device.NewOutboundElement()
-               elem.packet = nil
                select {
                case peer.queue.staged <- elem:
                        peer.device.log.Verbosef("%v - Sending keepalive packet", peer)