From: Cristy <urban-warrior@imagemagick.org>
Date: Mon, 22 Jan 2018 13:00:02 +0000 (-0500)
Subject: Eliminate small memory leak
X-Git-Tag: 7.0.7-22~3
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=c4b013e159205cb4849240e9773984cf90e0a913;p=imagemagick

Eliminate small memory leak
Credit OSS Fuzz
---

diff --git a/coders/dcm.c b/coders/dcm.c
index 0f93262a5..29fa651f5 100644
--- a/coders/dcm.c
+++ b/coders/dcm.c
@@ -3555,6 +3555,8 @@ static Image *ReadDCMImage(const ImageInfo *image_info,ExceptionInfo *exception)
               break;
             colors=(size_t) (length/info.bytes_per_pixel);
             datum=(int) colors;
+            if (graymap != (int *) NULL)
+              graymap=(int *) RelinquishMagickMemory(graymap);
             graymap=(int *) AcquireQuantumMemory((size_t) colors,
               sizeof(*graymap));
             if (graymap == (int *) NULL)