From c5b86f8c2f2d5e6ee00b876cc19c166a67ea5440 Mon Sep 17 00:00:00 2001
From: Rongjian Zhang <pd4d10@gmail.com>
Date: Tue, 4 May 2021 22:45:59 +0800
Subject: [PATCH] buffer: remove unreachable code

PR-URL: https://github.com/nodejs/node/pull/38537
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
---
 lib/buffer.js | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/lib/buffer.js b/lib/buffer.js
index da9354e2d1f9e6..bb4710d3682d34 100644
--- a/lib/buffer.js
+++ b/lib/buffer.js
@@ -252,10 +252,7 @@ function _copyActual(source, target, targetStart, sourceStart, sourceEnd) {
     sourceEnd = sourceStart + target.length - targetStart;
 
   let nb = sourceEnd - sourceStart;
-  const targetLen = target.length - targetStart;
   const sourceLen = source.length - sourceStart;
-  if (nb > targetLen)
-    nb = targetLen;
   if (nb > sourceLen)
     nb = sourceLen;