Mesa (master): st/glx/xlib: check for null ctx pointer in glXIsDirect()

[Brian Paul]

Module: Mesa
Branch: master
Commit: 1e9875acbe0a1204e144b12b66b5b0ec55664e2c
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=1e9875acbe0a1204e144b12b66b5b0ec55664e2c

Author: Brian Paul <brianp at vmware.com>
Date:   Mon May 20 16:13:53 2013 -0600

st/glx/xlib: check for null ctx pointer in glXIsDirect()

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=64745
Note: This is a candidate for the stable branches.

Reviewed-by: Jose Fonseca <jfonseca at vmware.com>

---

 src/gallium/state_trackers/glx/xlib/glx_api.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/src/gallium/state_trackers/glx/xlib/glx_api.c b/src/gallium/state_trackers/glx/xlib/glx_api.c
index 88f5886..a66ebc8 100644
--- a/src/gallium/state_trackers/glx/xlib/glx_api.c
+++ b/src/gallium/state_trackers/glx/xlib/glx_api.c
@@ -1369,9 +1369,7 @@ glXDestroyContext( Display *dpy, GLXContext ctx )
 PUBLIC Bool
 glXIsDirect( Display *dpy, GLXContext ctx )
 {
-   GLXContext glxCtx = ctx;
-   (void) ctx;
-   return glxCtx->isDirect;
+   return ctx ? ctx->isDirect : False;
 }