From 7940577b123a1a5f76140cb28599a0c997d034f1 Mon Sep 17 00:00:00 2001
From: Bogdan Poplauschi <bpoplauschi@gmail.com>
Date: Sat, 1 Oct 2016 12:13:31 +0300
Subject: [PATCH] Fix #1619 iOS10 Crash issue

---
 SDWebImage/SDImageCache.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/SDWebImage/SDImageCache.m b/SDWebImage/SDImageCache.m
index 65315a0b..acd5ee6a 100644
--- a/SDWebImage/SDImageCache.m
+++ b/SDWebImage/SDImageCache.m
@@ -508,7 +508,7 @@ FOUNDATION_STATIC_INLINE NSUInteger SDCacheCostForImage(UIImage *image) {
             NSDictionary<NSString *, id> *resourceValues = [fileURL resourceValuesForKeys:resourceKeys error:&error];
 
             // Skip directories and errors.
-            if (error || [resourceValues[NSURLIsDirectoryKey] boolValue]) {
+            if (error || !resourceValues || [resourceValues[NSURLIsDirectoryKey] boolValue]) {
                 continue;
             }