From: Xiang, Haihao <haihao.xiang@intel.com>
Date: Fri, 12 Dec 2008 02:02:05 +0000 (+0800)
Subject: intel: check for null texture. (fix #13902)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8b69c42b356d51c3a37bc0af41738b016c2adc5b;p=mesa.git

intel: check for null texture. (fix #13902)
---

diff --git a/src/mesa/drivers/dri/intel/intel_mipmap_tree.c b/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
index b96ba72853e..c677ddd63c5 100644
--- a/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
@@ -111,9 +111,9 @@ intel_miptree_create(struct intel_context *intel,
 				      first_level, last_level, width0,
 				      height0, depth0, cpp, compress_byte);
    /*
-    * pitch == 0 indicates the null texture
+    * pitch == 0 || height == 0  indicates the null texture
     */
-   if (!mt || !mt->pitch)
+   if (!mt || !mt->pitch || !mt->total_height)
       return NULL;
 
    mt->region = intel_region_alloc(intel,