From 423703c989e17ccd6bed6e9e8290515f2d617592 Mon Sep 17 00:00:00 2001
From: root <356986351@qq.com>
Date: Fri, 15 Sep 2017 10:27:41 +0000
Subject: [PATCH] fix memory leak

fix memory leak
---
 coders/sixel.c |  6 +++++-
 coders/tim.c   | 10 ++++++++--
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/coders/sixel.c b/coders/sixel.c
index 51cc4eec7..7af17f5aa 100644
--- a/coders/sixel.c
+++ b/coders/sixel.c
@@ -1034,7 +1034,11 @@ static Image *ReadSIXELImage(const ImageInfo *image_info,ExceptionInfo *exceptio
   image->storage_class=PseudoClass;
   status=SetImageExtent(image,image->columns,image->rows,exception);
   if (status == MagickFalse)
-    return(DestroyImageList(image));
+    {
+      sixel_pixels=(unsigned char *) RelinquishMagickMemory(sixel_pixels);
+      sixel_palette=(unsigned char *) RelinquishMagickMemory(sixel_palette);
+      return(DestroyImageList(image));
+    }
 
   if (AcquireImageColormap(image,image->colors, exception) == MagickFalse)
     {
diff --git a/coders/tim.c b/coders/tim.c
index 7f87292c6..32af8e268 100644
--- a/coders/tim.c
+++ b/coders/tim.c
@@ -240,7 +240,10 @@ static Image *ReadTIMImage(const ImageInfo *image_info,ExceptionInfo *exception)
       ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
     count=ReadBlob(image,image_size,tim_data);
     if (count != (ssize_t) (image_size))
-      ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
+      {
+        tim_data=(unsigned char *) RelinquishMagickMemory(tim_data);
+        ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
+      }
     tim_pixels=tim_data;
     /*
       Initialize image structure.
@@ -383,7 +386,10 @@ static Image *ReadTIMImage(const ImageInfo *image_info,ExceptionInfo *exception)
         break;
       }
       default:
-        ThrowReaderException(CorruptImageError,"ImproperImageHeader");
+        {
+          tim_data=(unsigned char *) RelinquishMagickMemory(tim_data);
+          ThrowReaderException(CorruptImageError,"ImproperImageHeader");
+        }
     }
     if (image->storage_class == PseudoClass)
       (void) SyncImage(image,exception);
-- 
2.40.0