From: Cristy <urban-warrior@imagemagick.org>
Date: Sun, 12 Feb 2017 16:37:31 +0000 (-0500)
Subject: ...
X-Git-Tag: 7.0.4-8~12
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0ac442d8418d8d1ae87584191bbf96dc2a0d6882;p=imagemagick

...
---

diff --git a/MagickCore/statistic.c b/MagickCore/statistic.c
index 27660ea16..41cc52088 100644
--- a/MagickCore/statistic.c
+++ b/MagickCore/statistic.c
@@ -1320,8 +1320,9 @@ static size_t GetImageChannels(const Image *image)
   {
     PixelChannel channel=GetPixelChannelChannel(image,i);
     PixelTrait traits=GetPixelChannelTraits(image,channel);
-    if ((traits & UpdatePixelTrait) != 0)
-      channels++;
+    if (traits == UndefinedPixelTrait)
+      continue;
+    channels++;
   }
   return((size_t) (channels == 0 ? 1 : channels));
 }