From d221f7fde407a01c36f2c919e6e216299eacfbc7 Mon Sep 17 00:00:00 2001
From: dirk <dirk@git.imagemagick.org>
Date: Tue, 17 Sep 2013 05:01:04 +0000
Subject: [PATCH] Fixed setting number of mipmaps.

---
 coders/dds.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/coders/dds.c b/coders/dds.c
index 0b0ce0917..95c9f30d8 100644
--- a/coders/dds.c
+++ b/coders/dds.c
@@ -2606,14 +2606,14 @@ static MagickBooleanType WriteDDSImage(const ImageInfo *image_info,
       (image->rows & (image->rows - 1)) == 0)
     {
       option=GetImageOption(image_info,"dds:mipmaps");
-      if (option == (char *) NULL)
+      if (option != (char *) NULL)
         maxMipmaps=StringToUnsignedLong(option);
 
       if (maxMipmaps != 0)
         {
           columns=image->columns;
           rows=image->rows;
-          while (columns != 1 || rows != 1 && mipmaps != maxMipmaps)
+          while (columns != 1 && rows != 1 && mipmaps != maxMipmaps)
           {
             columns=DIV2(columns);
             rows=DIV2(rows);
-- 
2.40.0