From: Dirk Lemstra <dirk@git.imagemagick.org>
Date: Mon, 17 Jul 2017 21:13:50 +0000 (+0200)
Subject: Fix another leak related to #574.
X-Git-Tag: 7.0.6-2~18^2~16
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7b604a554dfb6630fe32e739334fa57341dc6123;p=imagemagick

Fix another leak related to #574.
---

diff --git a/MagickCore/quantize.c b/MagickCore/quantize.c
index 851a24015..5281ee2c4 100644
--- a/MagickCore/quantize.c
+++ b/MagickCore/quantize.c
@@ -3395,8 +3395,11 @@ static MagickBooleanType SetGrayscaleImage(Image *image,
     IntensityCompare);
   colormap=(PixelInfo *) AcquireQuantumMemory(image->colors,sizeof(*colormap));
   if (colormap == (PixelInfo *) NULL)
-    ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
-      image->filename);
+    {
+      colormap_index=(ssize_t *) RelinquishMagickMemory(colormap_index);
+      ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
+        image->filename);
+    }
   j=0;
   colormap[j]=image->colormap[0];
   for (i=0; i < (ssize_t) image->colors; i++)