From: Cristy <mikayla-grace@urban-warrior.org>
Date: Sat, 30 Mar 2019 12:47:09 +0000 (-0400)
Subject: https://github.com/ImageMagick/ImageMagick/issues/1517
X-Git-Tag: 7.0.8-36~8
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ee5b9c56b9ca18ed0750f8a15e0d1a6da92a6e99;p=imagemagick

https://github.com/ImageMagick/ImageMagick/issues/1517
---

diff --git a/coders/dpx.c b/coders/dpx.c
index d69cd983f..f30763ecb 100644
--- a/coders/dpx.c
+++ b/coders/dpx.c
@@ -2022,8 +2022,10 @@ static MagickBooleanType WriteDPXImage(const ImageInfo *image_info,Image *image,
       break;
     length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
       quantum_type,pixels,exception);
+    if (length == 0)
+      break;
     count=WriteBlob(image,extent,pixels);
-    if (count != (ssize_t) length)
+    if (count != (ssize_t) extent)
       break;
     status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
       image->rows);