From 3009200b76dec678cd58e114b30088ab8625a44a Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Wed, 8 Oct 2014 11:45:32 +0400
Subject: [PATCH] fixed crash on logout

---
 Telegram/SourceFiles/mtproto/mtpSessionImpl.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Telegram/SourceFiles/mtproto/mtpSessionImpl.h b/Telegram/SourceFiles/mtproto/mtpSessionImpl.h
index 3c0ac79898..1f5e4b8805 100644
--- a/Telegram/SourceFiles/mtproto/mtpSessionImpl.h
+++ b/Telegram/SourceFiles/mtproto/mtpSessionImpl.h
@@ -52,7 +52,7 @@ public:
 
     void operator()(mtpRequestId requestId, const mtpPrime *from, const mtpPrime *end) const {
         _dc->setConnectionInited();
-        return (*_ondone)(requestId, from, end);
+        if (_ondone) (*_ondone)(requestId, from, end);
     }
 
 private: