From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Thu, 25 Aug 2005 14:07:06 +0000 (+0000)
Subject: fix segfault in Fake_glXCreatePBuffer(), bug 4235
X-Git-Tag: mesa-7.8~8747
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=dd1a9f75dc1d29e3383f27aaa1cf024c83e5c8e2;p=platform%2Fupstream%2Fmesa.git

fix segfault in Fake_glXCreatePBuffer(), bug 4235
---

diff --git a/src/mesa/drivers/x11/fakeglx.c b/src/mesa/drivers/x11/fakeglx.c
index 2cce27d..d3213e7 100644
--- a/src/mesa/drivers/x11/fakeglx.c
+++ b/src/mesa/drivers/x11/fakeglx.c
@@ -2099,7 +2099,10 @@ Fake_glXCreatePbuffer( Display *dpy, GLXFBConfig config,
    /* A GLXPbuffer handle must be an X Drawable because that's what
     * glXMakeCurrent takes.
     */
-   return (GLXPbuffer) xmbuf->frontxrb->pixmap;
+   if (xmbuf)
+      return (GLXPbuffer) xmbuf->frontxrb->pixmap;
+   else
+      return 0;
 }