From 5608e1a159318892abc78ccbd8db1ac7090c6a80 Mon Sep 17 00:00:00 2001
From: Lin Jen-Shin <godfat@godfat.org>
Date: Wed, 15 Jun 2016 16:23:41 +0800
Subject: [PATCH] Raise first like an input check

---
 lib/gitlab/email/receiver.rb | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/lib/gitlab/email/receiver.rb b/lib/gitlab/email/receiver.rb
index 77ed6b9f7d9..9213cfb51e8 100644
--- a/lib/gitlab/email/receiver.rb
+++ b/lib/gitlab/email/receiver.rb
@@ -30,11 +30,9 @@ module Gitlab
         mail_key = extract_mail_key(mail)
         handler = Handler.for(mail, mail_key)
 
-        if handler
-          handler.execute
-        else
-          raise UnknownIncomingEmail
-        end
+        raise UnknownIncomingEmail unless handler
+
+        handler.execute
       end
 
       def build_mail
-- 
GitLab