From 23a911b4a66914883ece70c1e621dfc082661a28 Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Fri, 10 Apr 2009 08:36:04 -0600
Subject: i965: added null const_buffer pointer check in
 update_constant_buffer()

---
 src/mesa/drivers/dri/i965/brw_curbe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mesa/drivers/dri/i965/brw_curbe.c b/src/mesa/drivers/dri/i965/brw_curbe.c
index 08b602a5abe..94bf2c0d67a 100644
--- a/src/mesa/drivers/dri/i965/brw_curbe.c
+++ b/src/mesa/drivers/dri/i965/brw_curbe.c
@@ -343,7 +343,7 @@ update_constant_buffer(struct brw_context *brw,
    const int size = params->NumParameters * 4 * sizeof(GLfloat);
 
    /* copy Mesa program constants into the buffer */
-   if (size > 0) {
+   if (const_buffer && size > 0) {
       GLubyte *map;
 
       assert(const_buffer);
-- 
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