From 07c17966764a3e8cf6fba35e07447f490711511d Mon Sep 17 00:00:00 2001
From: cristy <urban-warrior@git.imagemagick.org>
Date: Sat, 2 May 2015 17:10:11 +0000
Subject: [PATCH]

---
 MagickCore/blob.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/MagickCore/blob.c b/MagickCore/blob.c
index 3abb8ba98..dccc8391c 100644
--- a/MagickCore/blob.c
+++ b/MagickCore/blob.c
@@ -3767,8 +3767,12 @@ MagickExport MagickOffsetType SeekBlob(Image *image,
           image->blob->eof=MagickFalse;
           break;
         }
-      if (image->blob->mapped != MagickFalse)
-        return(-1);
+      if ((image->blob->type == BlobStream) ||
+          (image->blob->mapped != MagickFalse))
+        {
+          image->blob->eof=MagickTrue;
+          return(-1);
+        }
       if (image->blob->offset < (MagickOffsetType)
           ((off_t) image->blob->extent))
         break;
-- 
2.50.1