From 3705f48688d7d2c8d4ff5f108ff6b56e289d1967 Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Wed, 17 Jun 2009 08:33:39 -0600
Subject: [PATCH] st/glx: added null ptr check in Fake_glXCreatePixmap()

Fixes segfault in progs/xdemos/glxgears_pixmap.c
---
 src/gallium/state_trackers/glx/xlib/fakeglx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gallium/state_trackers/glx/xlib/fakeglx.c b/src/gallium/state_trackers/glx/xlib/fakeglx.c
index 65e7048188e..6df4c7d6936 100644
--- a/src/gallium/state_trackers/glx/xlib/fakeglx.c
+++ b/src/gallium/state_trackers/glx/xlib/fakeglx.c
@@ -1817,7 +1817,7 @@ Fake_glXCreatePixmap( Display *dpy, GLXFBConfig config, Pixmap pixmap,
    if (!dpy || !config || !pixmap)
       return 0;
 
-   for (attr = attribList; *attr; attr++) {
+   for (attr = attribList; attr && *attr; attr++) {
       switch (*attr) {
       case GLX_TEXTURE_FORMAT_EXT:
          attr++;
-- 
2.30.2