From 8c1e546123cf2982cfd1fed83378be39918de14e Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Mon, 29 Oct 2018 17:49:01 +0400
Subject: [PATCH] Fix crash in DocumentData destructor.

~DocumentData sometimes calls ~Image that calls RemoteSource::unload.
It tries to schedule delayed loaded deletion and accesses Auth().
But ~DocumentData is called from ~Session, so Auth() is unaccessible.
---
 Telegram/SourceFiles/ui/image/image_source.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Telegram/SourceFiles/ui/image/image_source.cpp b/Telegram/SourceFiles/ui/image/image_source.cpp
index f52d4e206..88e7f4d79 100644
--- a/Telegram/SourceFiles/ui/image/image_source.cpp
+++ b/Telegram/SourceFiles/ui/image/image_source.cpp
@@ -402,7 +402,7 @@ void RemoteSource::cancel() {
 
 void RemoteSource::unload() {
 	if (loaderValid()) {
-		destroyLoaderDelayed();
+		delete base::take(_loader);
 	}
 }