From 447fb3a9139dfda864da81dcf08c3b47463b7795 Mon Sep 17 00:00:00 2001
From: Mattt Thompson <m@mattt.me>
Date: Mon, 4 Feb 2013 00:01:14 +0100
Subject: [PATCH] Adding lock around AFURLConnectionOperation
 -responseStringEncoding

Adding check for self.response in AFURLConnectionOperation -responseStringEncoding
---
 AFNetworking/AFURLConnectionOperation.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/AFNetworking/AFURLConnectionOperation.m b/AFNetworking/AFURLConnectionOperation.m
index bb8bf55..1fc61db 100644
--- a/AFNetworking/AFURLConnectionOperation.m
+++ b/AFNetworking/AFURLConnectionOperation.m
@@ -367,7 +367,7 @@ static inline BOOL AFStateTransitionIsValid(AFOperationState fromState, AFOperat
 
 - (NSStringEncoding)responseStringEncoding {
     [self.lock lock];
-    if (!_responseStringEncoding) {
+    if (!_responseStringEncoding && self.response) {
         NSStringEncoding stringEncoding = NSUTF8StringEncoding;
         if (self.response.textEncodingName) {
             CFStringEncoding IANAEncoding = CFStringConvertIANACharSetNameToEncoding((__bridge CFStringRef)self.response.textEncodingName);