From 3587b8d1e0f51710dfd1cec0c3a723048f7473f4 Mon Sep 17 00:00:00 2001
From: Jimmy Lee <just.jimmy@gmail.com>
Date: Thu, 31 Jul 2014 10:10:52 +1000
Subject: [PATCH] fix cancelAll crash

---
 SDWebImage/SDWebImageManager.m | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/SDWebImage/SDWebImageManager.m b/SDWebImage/SDWebImageManager.m
index 2781ec87..e545a84a 100644
--- a/SDWebImage/SDWebImageManager.m
+++ b/SDWebImage/SDWebImageManager.m
@@ -283,8 +283,9 @@
 
 - (void)cancelAll {
     @synchronized (self.runningOperations) {
-        [self.runningOperations makeObjectsPerformSelector:@selector(cancel)];
-        [self.runningOperations removeAllObjects];
+        NSArray *copiedOperations = [self.runningOperations copy];
+        [copiedOperations makeObjectsPerformSelector:@selector(cancel)];
+        [self.runningOperations removeObjectsInArray:copiedOperations];
     }
 }