From: cristy <urban-warrior@git.imagemagick.org>
Date: Thu, 12 Jul 2012 11:13:04 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: 7.0.1-0~5272
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2c219b10d179fbdeb1bb90a2bccc2ad635c05269;p=imagemagick

---

diff --git a/coders/gif.c b/coders/gif.c
index 4d9ce5bae..ac69f5ecb 100644
--- a/coders/gif.c
+++ b/coders/gif.c
@@ -884,7 +884,10 @@ static ssize_t ReadBlobBlock(Image *image,unsigned char *data)
   count=ReadBlob(image,1,&block_count);
   if (count != 1)
     return(0);
-  return(ReadBlob(image,(size_t) block_count,data));
+  count=ReadBlob(image,(size_t) block_count,data);
+  if (count != (ssize_t) block_count)
+    return(0);
+  return(count);
 }
 
 /*