From de901b73fc8f384d08459a3229bb570f7387c852 Mon Sep 17 00:00:00 2001
From: Pascal Precht <pascal.precht@gmail.com>
Date: Thu, 11 Oct 2018 12:25:09 +0200
Subject: [PATCH] chore(modules/storage): make process launcher callback
 optional

We aren't always interested in calling a function after the storage
process has been launched, so passing a callback should be optional.
---
 lib/modules/storage/storageProcessesLauncher.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/modules/storage/storageProcessesLauncher.js b/lib/modules/storage/storageProcessesLauncher.js
index d0220634..4d89b385 100644
--- a/lib/modules/storage/storageProcessesLauncher.js
+++ b/lib/modules/storage/storageProcessesLauncher.js
@@ -86,6 +86,8 @@ class StorageProcessesLauncher {
 
   launchProcess(storageName, callback) {
     const self = this;
+    callback = callback || function () {};
+
     if (self.processes[storageName]) {
       return callback(__('Storage process already started'));
     }