From: Cristy <urban-warrior@imagemagick.org>
Date: Wed, 11 Jul 2018 22:19:39 +0000 (-0400)
Subject: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=935
X-Git-Tag: 7.0.8-7~15
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=97a407cc6c106125dc89dc6ea014488cacf8df31;p=imagemagick

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=935
---

diff --git a/coders/dcm.c b/coders/dcm.c
index 9caf75e73..d44cf80d0 100644
--- a/coders/dcm.c
+++ b/coders/dcm.c
@@ -4274,6 +4274,8 @@ static Image *ReadDCMImage(const ImageInfo *image_info,ExceptionInfo *exception)
     greenmap=(int *) RelinquishMagickMemory(greenmap);
   if (redmap != (int *) NULL)
     redmap=(int *) RelinquishMagickMemory(redmap);
+  if (image == (Image *) NULL)
+    return(image);
   (void) CloseBlob(image);
   if (status == MagickFalse)
     return(DestroyImageList(image));