From f91e11efc9ed2bf44455e0f39e73b6dfcc386e76 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Wed, 5 Jun 2019 14:27:33 +0300
Subject: [PATCH] Fix crash in absent file reading.

---
 Telegram/SourceFiles/storage/localstorage.cpp | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/Telegram/SourceFiles/storage/localstorage.cpp b/Telegram/SourceFiles/storage/localstorage.cpp
index 6ca56195cd..37ec784be3 100644
--- a/Telegram/SourceFiles/storage/localstorage.cpp
+++ b/Telegram/SourceFiles/storage/localstorage.cpp
@@ -3193,10 +3193,12 @@ FileLocation readFileLocation(MediaKey location) {
 		location = aliasIt.value();
 	}
 
-	FileLocations::iterator i = _fileLocations.find(location);
-	if (i != _fileLocations.end()) {
-		if (i.value().inMediaCache()) {
-			int a = 0;
+	for (FileLocations::iterator i = _fileLocations.find(location); (i != _fileLocations.end()) && (i.key() == location);) {
+		if (!i.value().inMediaCache() && !i.value().check()) {
+			_fileLocationPairs.remove(i.value().fname);
+			i = _fileLocations.erase(i);
+			_writeLocations();
+			continue;
 		}
 		return i.value();
 	}