From 5c9cc4936314e91cfdd504db9d1113651f236a86 Mon Sep 17 00:00:00 2001
From: Dennis Schubert <software@dsx.cc>
Date: Sun, 9 Nov 2014 02:16:28 +0100
Subject: [PATCH] Only RegEx if there is something to RegEx

---
 lib/diaspora/camo.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/diaspora/camo.rb b/lib/diaspora/camo.rb
index 6338b9076..51ee17d33 100644
--- a/lib/diaspora/camo.rb
+++ b/lib/diaspora/camo.rb
@@ -2,6 +2,7 @@
 module Diaspora
   module Camo
     def self.from_markdown(markdown_text)
+      return unless markdown_text
       markdown_text.gsub(/(!\[(.*?)\]\s?\([ \t]*()<?(\S+?)>?[ \t]*((['"])(.*?)\6[ \t]*)?\))/m) do |link|
         link.gsub($4, self.image_url($4))
       end