From a9a1c3f20f2d6aad4afc47cf2b29c5393fddb6b6 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Fri, 12 Dec 2003 00:01:17 +0000
Subject: check for null dpy in Fake_glXGetConfig()

---
 src/mesa/drivers/x11/fakeglx.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/mesa/drivers/x11/fakeglx.c')

diff --git a/src/mesa/drivers/x11/fakeglx.c b/src/mesa/drivers/x11/fakeglx.c
index 1bab6d91a4..98003b0858 100644
--- a/src/mesa/drivers/x11/fakeglx.c
+++ b/src/mesa/drivers/x11/fakeglx.c
@@ -1727,6 +1727,9 @@ Fake_glXGetConfig( Display *dpy, XVisualInfo *visinfo,
 {
    XMesaVisual xmvis;
 
+   if (!dpy || !visInfo)
+      return GLX_BAD_ATTRIBUTE;
+
    xmvis = find_glx_visual( dpy, visinfo );
    if (!xmvis) {
       /* this visual wasn't obtained with glXChooseVisual */
-- 
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