From: cristy <urban-warrior@git.imagemagick.org>
Date: Sun, 6 Apr 2014 19:50:34 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: 7.0.1-0~2484
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1a1a786201f210f4bfdc95aab8810f5ce83e6fa7;p=imagemagick

---

diff --git a/MagickCore/effect.c b/MagickCore/effect.c
index 901775c5c..9c1bae33a 100644
--- a/MagickCore/effect.c
+++ b/MagickCore/effect.c
@@ -1053,6 +1053,11 @@ MagickExport Image *CannyEdgeImage(const Image *image,const double radius,
       edge_image=DestroyImage(edge_image);
       return((Image *) NULL);
     }
+  if (NormalizeImage(edge_image,exception) == MagickFalse)
+    {
+      edge_image=DestroyImage(edge_image);
+      return((Image *) NULL);
+    }
   /*
     Find the intensity gradient of the image.
   */