From f3e2b6563784df0a8abe2bdfbbedf14ed2a72cce Mon Sep 17 00:00:00 2001
From: Dmytro Shynkevych <dmytro@tailscale.com>
Date: Thu, 16 Jul 2020 11:04:53 -0400
Subject: [PATCH] wgengine/magicsock: time.Sleep -> time.After

Signed-off-by: Dmytro Shynkevych <dmytro@tailscale.com>
---
 wgengine/magicsock/magicsock.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wgengine/magicsock/magicsock.go b/wgengine/magicsock/magicsock.go
index 8bc5147e2..e9158aa32 100644
--- a/wgengine/magicsock/magicsock.go
+++ b/wgengine/magicsock/magicsock.go
@@ -1138,7 +1138,7 @@ func (c *Conn) runDerpReader(ctx context.Context, derpFakeAddr netaddr.IPPort, d
 			case <-ctx.Done():
 				return
 			// Avoid excessive spinning.
-			case <-time.Sleep(250 * time.Millisecond):
+      case <-time.After(250 * time.Millisecond):
 			}
 			continue
 		}