From: Dirk Lemstra <dirk@git.imagemagick.org>
Date: Thu, 20 Jul 2017 20:26:48 +0000 (+0200)
Subject: Exit early when identifying the image.
X-Git-Tag: 7.0.6-2~11
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=9be91b96c6eeb9a104dd9b90ecc47ccd9cb42de3;p=imagemagick

Exit early when identifying the image.
---

diff --git a/coders/dng.c b/coders/dng.c
index e9f0ef3aa..1e1267817 100644
--- a/coders/dng.c
+++ b/coders/dng.c
@@ -258,6 +258,12 @@ static Image *ReadDNGImage(const ImageInfo *image_info,ExceptionInfo *exception)
         libraw_close(raw_info);
         return(DestroyImageList(image));
       }
+    if (image_info->ping != MagickFalse)
+      {
+        libraw_dcraw_clear_mem(raw_image);
+        libraw_close(raw_info);
+        return(image);
+      }
     p=(unsigned short *) raw_image->data;
     for (y=0; y < (ssize_t) image->rows; y++)
     {