From 6c704b5b1c922e7c0aedd6d1d26511765f81772f Mon Sep 17 00:00:00 2001
From: Zheng Chaoping <zbinlin@gmail.com>
Date: Wed, 11 Nov 2015 00:57:11 +0800
Subject: [PATCH] fs: fix readFile will pass undefined to callback but not null

---
 lib/fs.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/fs.js b/lib/fs.js
index a009ecae021b68..650ede67af8bae 100644
--- a/lib/fs.js
+++ b/lib/fs.js
@@ -405,7 +405,7 @@ function readFileAfterClose(err) {
 }
 
 function tryToString(buf, encoding, callback) {
-  var e;
+  var e = null;
   try {
     buf = buf.toString(encoding);
   } catch (err) {