From 3f8e822621ad3713ca3883eb07ef6ec22c53a7e0 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Mon, 27 Feb 2017 21:25:42 +0300
Subject: [PATCH] Fixing crash in logout from passcode.

If the MTP::Instance is not started yet (we forgot our passcode),
the logout attempt was attempting to use mtproto from Intro::Widget
constructor before it was created. Now we create it before logout.
---
 Telegram/SourceFiles/app.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Telegram/SourceFiles/app.cpp b/Telegram/SourceFiles/app.cpp
index a9fde250f..95467aae3 100644
--- a/Telegram/SourceFiles/app.cpp
+++ b/Telegram/SourceFiles/app.cpp
@@ -229,8 +229,10 @@ namespace {
 		if (auto mtproto = Messenger::Instance().mtp()) {
 			mtproto->logout(rpcDone(&loggedOut), rpcFail(&loggedOut));
 		} else {
-			loggedOut();
+			// We log out because we've forgotten passcode.
+			// So we just start mtproto from scratch.
 			Messenger::Instance().startMtp();
+			loggedOut();
 		}
 	}