From d3098fa2f0bc06c98631acf24b438b539bf06239 Mon Sep 17 00:00:00 2001
From: Lennart Kats <lclkats@gmail.com>
Date: Wed, 4 Nov 2015 13:26:24 +0000
Subject: [PATCH] Fix null.kill()

TypeError: Cannot call method 'kill' of null
    at Parent.disconnect (/home/ubuntu/workspace/node_modules/vfs-child/parent.js:65:15)
    at Parent.master.destroy (/home/ubuntu/workspace/plugins/c9.vfs.server/vfs.js:142:16) # Please
enter the commit message for your changes. Lines starting
    at Vfs.destroy (/home/ubuntu/workspace/plugins/c9.vfs.server/vfs.js:109:21) # with '#' will be
ignored, and an empty message aborts the commit.
    at EventEmitter.entry.destroy (/home/ubuntu/workspace/plugins/c9.vfs.server/cache.js:131:40) # On
branch fix-vfs
    at remove (/home/ubuntu/workspace/plugins/c9.vfs.server/cache.js:110:23) # Changes to be
committed:
    at null._onTimeout (/home/ubuntu/workspace/plugins/c9.vfs.server/cache.js:143:21) # modified:
node_modules/vfs-child/parent.js
    at Timer.listOnTimeout [as ontimeout] (timers.js:112:15)

                                                                   # Changes not staged for commit:
---
 node_modules/vfs-child/parent.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/node_modules/vfs-child/parent.js b/node_modules/vfs-child/parent.js
index 2c1dc7a9..d51fca64 100644
--- a/node_modules/vfs-child/parent.js
+++ b/node_modules/vfs-child/parent.js
@@ -49,11 +49,11 @@ function Parent(fsOptions) {
         }
         
         function done(err, vfs) {
-            if (!child) return;
+            if (!callback) return;
             child.removeListener("error", done);
             child.on("error", function ignore(err) {});
-            child = null;
             callback(err, vfs);
+            callback = null;
         }
     }