From 616d824dc7b5614c61e4b4a9f10dc35d2d333931 Mon Sep 17 00:00:00 2001
From: Olivier Poitrey <rs@dailymotion.com>
Date: Mon, 10 Dec 2012 15:25:45 +0100
Subject: [PATCH] Return an error if the downloaded image has no pixels (fix
 #241)

---
 SDWebImage/SDWebImageDownloaderOperation.m | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/SDWebImage/SDWebImageDownloaderOperation.m b/SDWebImage/SDWebImageDownloaderOperation.m
index d2f37327..5ebb9252 100644
--- a/SDWebImage/SDWebImageDownloaderOperation.m
+++ b/SDWebImage/SDWebImageDownloaderOperation.m
@@ -274,7 +274,14 @@
 			UIImage *image = [UIImage decodedImageWithImage:SDScaledImageForPath(self.request.URL.absoluteString, self.imageData)];
 			dispatch_async(dispatch_get_main_queue(), ^
 			{
-				completionBlock(image, self.imageData, nil, YES);
+                if (CGSizeEqualToSize(image.size, CGSizeZero))
+                {
+                    completionBlock(nil, nil, [NSError errorWithDomain:@"SDWebImageErrorDomain" code:0 userInfo:@{NSLocalizedDescriptionKey: @"Downloaded image has 0 pixels"}], YES);
+                }
+                else
+                {
+                    completionBlock(image, self.imageData, nil, YES);
+                }
 				self.completionBlock = nil;
 				[self done];
 			});