From 540cbf84afddfbdd2e88ecbb92c28b7dcc582498 Mon Sep 17 00:00:00 2001
From: Evan Lucas <evanlucas@me.com>
Date: Fri, 9 Feb 2018 10:20:20 -0600
Subject: [PATCH] doc: add error check to fs example
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Previously, the err passed to the callback of fs.open() was not checked.

PR-URL: https://github.com/nodejs/node/pull/18681
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
---
 doc/api/fs.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/doc/api/fs.md b/doc/api/fs.md
index a83d4031e7a..2a0ce3f8a22 100644
--- a/doc/api/fs.md
+++ b/doc/api/fs.md
@@ -1397,6 +1397,7 @@ fs.open('myfile', 'wx', (err, fd) => {
 fs.exists('myfile', (exists) => {
   if (exists) {
     fs.open('myfile', 'r', (err, fd) => {
+      if (err) throw err;
       readMyData(fd);
     });
   } else {