From 61b3ce8f9787edd7d5678f87aa4c2a0a6f8c0e45 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Sun, 3 Aug 2008 11:13:12 -0600
Subject: added null ptr check (fix bug 16959)

---
 src/mesa/main/context.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/mesa/main')

diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index 3dec27b6bd..aa9d112999 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -683,7 +683,8 @@ delete_renderbuffer_cb(GLuint id, void *data, void *userData)
 {
    struct gl_renderbuffer *rb = (struct gl_renderbuffer *) data;
    rb->RefCount = 0;  /* see comment for FBOs above */
-   rb->Delete(rb);
+   if (rb->Delete)
+      rb->Delete(rb);
 }
 
 
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