From 5fdcda50eeed473dc330b6dde332635998dcb097 Mon Sep 17 00:00:00 2001
From: moneromooo-monero <moneromooo-monero@users.noreply.github.com>
Date: Thu, 27 Sep 2018 13:25:28 +0000
Subject: [PATCH] easylogging++: test for NULL before dereference

---
 external/easylogging++/easylogging++.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/external/easylogging++/easylogging++.cc b/external/easylogging++/easylogging++.cc
index b438fa543..a4bdad4cf 100644
--- a/external/easylogging++/easylogging++.cc
+++ b/external/easylogging++/easylogging++.cc
@@ -1975,11 +1975,11 @@ void VRegistry::setCategories(const char* categories, bool clear) {
     m_cached_allowed_categories.clear();
     m_categoriesString.clear();
   }
+  if (!categories)
+    return;
   if (!m_categoriesString.empty())
     m_categoriesString += ",";
   m_categoriesString += categories;
-  if (!categories)
-    return;
 
   bool isCat = true;
   bool isLevel = false;