From 207c1fe2407ce1c898c75de504c31e4c1ca6cc57 Mon Sep 17 00:00:00 2001
From: Daniel Bevenius <daniel.bevenius@gmail.com>
Date: Thu, 3 May 2018 07:43:56 +0200
Subject: [PATCH] net: remove hasCallback from listen function

This commit removes hasCallback which is declared as var but
only used once in the line following the declaration and never
reassigned.
---
 lib/net.js | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/net.js b/lib/net.js
index 6c475619117dc5..d3b3a18e269537 100644
--- a/lib/net.js
+++ b/lib/net.js
@@ -1416,8 +1416,7 @@ Server.prototype.listen = function(...args) {
     throw new ERR_SERVER_ALREADY_LISTEN();
   }
 
-  var hasCallback = (cb !== null);
-  if (hasCallback) {
+  if (cb !== null) {
     this.once('listening', cb);
   }
   var backlogFromArgs =