From fb13df273a2450ea6f60414d24519cc53a1e79d6 Mon Sep 17 00:00:00 2001
From: Marwan Sulaiman <marwan@tailscale.com>
Date: Thu, 25 May 2023 13:52:41 -0400
Subject: [PATCH] Ensure ticker stop

---
 portlist/poller.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/portlist/poller.go b/portlist/poller.go
index d7bea2777..51e8f9294 100644
--- a/portlist/poller.go
+++ b/portlist/poller.go
@@ -169,8 +169,10 @@ func (p *Poller) Run(ctx context.Context) (chan Update, error) {
 		return nil, fmt.Errorf("error initializing poller: %w", p.initErr)
 	}
 	tick := time.NewTicker(p.Interval)
-	defer tick.Stop()
-	go p.runWithTickChan(ctx, tick.C)
+	go func() {
+		defer tick.Stop()
+		p.runWithTickChan(ctx, tick.C)
+	}()
 	return p.c, nil
 }