From 2b0bb248f433617a158ebf92e80a284076ceeeba Mon Sep 17 00:00:00 2001
From: nonamelive <nonamelive@gmail.com>
Date: Wed, 28 Sep 2011 14:29:51 +0800
Subject: [PATCH] Fixed a potential crash when the delegate retainCount = 1,
 which means the delegate is only retained by the SDWebImageManager and the
 delegate's dealloc method has a structure like the code below.

- (void)dealloc
{
    [manager cancelForDelegate:self];
    [super dealloc];
}
---
 SDWebImageManager.m | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/SDWebImageManager.m b/SDWebImageManager.m
index 9c6ddbc..32ccd3d 100644
--- a/SDWebImageManager.m
+++ b/SDWebImageManager.m
@@ -175,7 +175,7 @@ static SDWebImageManager *instance;
         SDWebImageDownloader *aDownloader = [downloaders objectAtIndex:uidx];
         if (aDownloader == downloader)
         {
-            id<SDWebImageManagerDelegate> delegate = [downloadDelegates objectAtIndex:uidx];
+            id<SDWebImageManagerDelegate> delegate = [[[downloadDelegates objectAtIndex:uidx] retain] autorelease];
 
             if (image)
             {
@@ -228,7 +228,7 @@ static SDWebImageManager *instance;
         SDWebImageDownloader *aDownloader = [downloaders objectAtIndex:uidx];
         if (aDownloader == downloader)
         {
-            id<SDWebImageManagerDelegate> delegate = [downloadDelegates objectAtIndex:uidx];
+            id<SDWebImageManagerDelegate> delegate = [[[downloadDelegates objectAtIndex:uidx] retain] autorelease];
 
             if ([delegate respondsToSelector:@selector(webImageManager:didFailWithError:)])
             {