From cd3c9febda30c0d69048bc774b5a234fd39ca850 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= <thomas@tungstengraphics.com>
Date: Mon, 18 Sep 2006 14:18:14 +0000
Subject: [PATCH] Check for NULL in intelSwapBuffers()

---
 src/mesa/drivers/dri/i915/intel_buffers.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/mesa/drivers/dri/i915/intel_buffers.c b/src/mesa/drivers/dri/i915/intel_buffers.c
index c84f141c8c4..fe63b75ff01 100644
--- a/src/mesa/drivers/dri/i915/intel_buffers.c
+++ b/src/mesa/drivers/dri/i915/intel_buffers.c
@@ -697,7 +697,12 @@ intelSwapBuffers(__DRIdrawablePrivate * dPriv)
 {
    if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
       GET_CURRENT_CONTEXT(ctx);
-      struct intel_context *intel = intel_context(ctx);
+      struct intel_context *intel;
+
+      if (ctx == NULL)
+	 return;
+
+      intel = intel_context(ctx);
 
       if (ctx->Visual.doubleBufferMode) {
          intelScreenPrivate *screen = intel->intelScreen;