From: cristy <urban-warrior@git.imagemagick.org>
Date: Wed, 25 Dec 2013 19:58:31 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: 7.0.1-0~3032
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=626cb1d2b53839bc6f8ce1c1ed277b54d9d5b483;p=imagemagick

---

diff --git a/MagickCore/cache.c b/MagickCore/cache.c
index 244518156..1521ba668 100644
--- a/MagickCore/cache.c
+++ b/MagickCore/cache.c
@@ -829,15 +829,17 @@ static inline void RelinquishPixelCachePixels(CacheInfo *cache_info)
         cache_info->pixels=(Quantum *) RelinquishAlignedMemory(
           cache_info->pixels);
       else
-        cache_info->pixels=(Quantum *) UnmapBlob(cache_info->pixels,
-          (size_t) cache_info->length);
+        {
+          (void) UnmapBlob(cache_info->pixels,(size_t) cache_info->length);
+          cache_info->pixels=(Quantum *) NULL;
+        }
       RelinquishMagickResource(MemoryResource,cache_info->length);
       break;
     }
     case MapCache:
     {
-      cache_info->pixels=(Quantum *) UnmapBlob(cache_info->pixels,(size_t)
-        cache_info->length);
+      (void) UnmapBlob(cache_info->pixels,(size_t) cache_info->length);
+      cache_info->pixels=(Quantum *) NULL;
       if (cache_info->mode != ReadMode)
         (void) RelinquishUniqueFileResource(cache_info->cache_filename);
       *cache_info->cache_filename='\0';