Demos (master): glxinfo: check for non-zero context before glXIsDirect() call

[Brian Paul]

Module: Demos
Branch: master
Commit: 98dfb466393069420f541fa781efb032dfd33cf2
URL:    http://cgit.freedesktop.org/mesa/demos/commit/?id=98dfb466393069420f541fa781efb032dfd33cf2

Author: Brian Paul <brianp at vmware.com>
Date:   Mon May 20 16:18:07 2013 -0600

glxinfo: check for non-zero context before glXIsDirect() call

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=64745

---

 src/xdemos/glxinfo.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/xdemos/glxinfo.c b/src/xdemos/glxinfo.c
index 8449171..4d9a5cc 100644
--- a/src/xdemos/glxinfo.c
+++ b/src/xdemos/glxinfo.c
@@ -740,7 +740,7 @@ create_context_flags(Display *dpy, GLXFBConfig fbconfig, int major, int minor,
    if (CreateContextErrorFlag)
       context = 0;
 
-   if (direct) {
+   if (context && direct) {
       if (!glXIsDirect(dpy, context)) {
          glXDestroyContext(dpy, context);
          return 0;