From: Dirk Lemstra <dirk@git.imagemagick.org>
Date: Thu, 18 Jan 2018 20:05:31 +0000 (+0100)
Subject: Fixed memory leak.
X-Git-Tag: 7.0.7-22~39
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=c2ec72d3a037cbefc86e0372411cf9f2429d6161;p=imagemagick

Fixed memory leak.
Credit to OSS-Fuzz
---

diff --git a/MagickCore/compress.c b/MagickCore/compress.c
index 33160220f..5f4bd8117 100644
--- a/MagickCore/compress.c
+++ b/MagickCore/compress.c
@@ -460,9 +460,9 @@ MagickExport MagickBooleanType HuffmanDecodeImage(Image *image,
       (scanline == (unsigned char *) NULL))
     {
       if (mb_hash != (HuffmanTable **) NULL)
-        mw_hash=(HuffmanTable **) RelinquishMagickMemory(mw_hash);
-      if (mw_hash != (HuffmanTable **) NULL)
         mb_hash=(HuffmanTable **) RelinquishMagickMemory(mb_hash);
+      if (mw_hash != (HuffmanTable **) NULL)
+        mw_hash=(HuffmanTable **) RelinquishMagickMemory(mw_hash);
       if (scanline != (unsigned char *) NULL)
         scanline=(unsigned char *) RelinquishMagickMemory(scanline);
       ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",