From 7f39e5e60e76a99537733c8c8eef8c14b00890c5 Mon Sep 17 00:00:00 2001
From: Bogdan Poplauschi <bpoplauschi@gmail.com>
Date: Sun, 2 Nov 2014 23:20:16 +0200
Subject: [PATCH] The code from SDWebImageDownloaderOperation
 connection:didFailWithError: should match the code from
 connectionDidFinishLoading:. This fixes #872

---
 SDWebImage/SDWebImageDownloaderOperation.m | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/SDWebImage/SDWebImageDownloaderOperation.m b/SDWebImage/SDWebImageDownloaderOperation.m
index e0e5a13d..12c9751d 100644
--- a/SDWebImage/SDWebImageDownloaderOperation.m
+++ b/SDWebImage/SDWebImageDownloaderOperation.m
@@ -337,8 +337,7 @@
         responseFromCached = NO;
     }
     
-    if (completionBlock)
-    {
+    if (completionBlock) {
         if (self.options & SDWebImageDownloaderIgnoreCachedResponse && responseFromCached) {
             completionBlock(nil, nil, nil, YES);
         }
@@ -364,13 +363,17 @@
 }
 
 - (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
-    CFRunLoopStop(CFRunLoopGetCurrent());
-    [[NSNotificationCenter defaultCenter] postNotificationName:SDWebImageDownloadStopNotification object:nil];
+    @synchronized(self) {
+        CFRunLoopStop(CFRunLoopGetCurrent());
+        self.thread = nil;
+        self.connection = nil;
+        [[NSNotificationCenter defaultCenter] postNotificationName:SDWebImageDownloadStopNotification object:nil];
+    }
 
     if (self.completedBlock) {
         self.completedBlock(nil, nil, error, YES);
     }
-
+    self.completionBlock = nil;
     [self done];
 }