diff --git a/MagickCore/cache.c b/MagickCore/cache.c
index 0745074..e932e82 100644
--- a/MagickCore/cache.c
+++ b/MagickCore/cache.c
@@ -1032,7 +1032,7 @@
offset;
/*
- Write a set of pixel channels .
+ Write a set of pixel channels.
*/
channel=clone_info->channel_map[i].channel;
traits=cache_info->channel_map[channel].traits;
@@ -4021,6 +4021,10 @@
length,
number_pixels;
+ PixelChannelMap
+ *p,
+ *q;
+
size_t
columns,
packet_size;
@@ -4045,8 +4049,8 @@
cache_info->columns=image->columns;
InitializePixelChannelMap(image);
cache_info->number_channels=GetPixelChannels(image);
- (void) memcpy(cache_info->channel_map,image->channel_map,
- MaxPixelChannels*sizeof(*image->channel_map));
+ (void) memcpy(cache_info->channel_map,image->channel_map,MaxPixelChannels*
+ sizeof(*image->channel_map));
cache_info->metacontent_extent=image->metacontent_extent;
cache_info->mode=mode;
if (image->ping != MagickFalse)
@@ -4067,10 +4071,13 @@
ThrowBinaryException(ResourceLimitError,"PixelCacheAllocationFailed",
image->filename);
cache_info->length=length;
+ p=cache_info->channel_map;
+ q=source_info.channel_map;
if ((cache_info->type != UndefinedCache) &&
(cache_info->columns <= source_info.columns) &&
(cache_info->rows <= source_info.rows) &&
(cache_info->number_channels <= source_info.number_channels) &&
+ (memcmp(p,q,cache_info->number_channels*sizeof(*p)) == 0) &&
(cache_info->metacontent_extent <= source_info.metacontent_extent))
{
/*
@@ -4079,6 +4086,7 @@
if ((cache_info->columns == source_info.columns) &&
(cache_info->rows == source_info.rows) &&
(cache_info->number_channels == source_info.number_channels) &&
+ (memcmp(p,q,image->number_channels*sizeof(*p)) == 0) &&
(cache_info->metacontent_extent == source_info.metacontent_extent))
return(MagickTrue);
return(ClonePixelCachePixels(cache_info,&source_info,exception));