From: Brian Paul <brianp@vmware.com>
Date: Fri, 30 Dec 2011 15:38:49 +0000 (-0700)
Subject: st/glx/xlib: check for null attrib_list in glXCreateContextAttribsARB()
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=797960dbeca675d8966752bc7a201f311123f3d5;p=mesa.git

st/glx/xlib: check for null attrib_list in glXCreateContextAttribsARB()

Fixes https://bugs.freedesktop.org/show_bug.cgi?id=44234
---

diff --git a/src/gallium/state_trackers/glx/xlib/glx_api.c b/src/gallium/state_trackers/glx/xlib/glx_api.c
index d978286ff28..b68882b1f97 100644
--- a/src/gallium/state_trackers/glx/xlib/glx_api.c
+++ b/src/gallium/state_trackers/glx/xlib/glx_api.c
@@ -2665,7 +2665,7 @@ glXCreateContextAttribsARB(Display *dpy, GLXFBConfig config,
                                 GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB);
 
    /* parse attrib_list */
-   for (i = 0; !done && attrib_list[i]; i++) {
+   for (i = 0; !done && attrib_list && attrib_list[i]; i++) {
       switch (attrib_list[i]) {
       case GLX_CONTEXT_MAJOR_VERSION_ARB:
          majorVersion = attrib_list[++i];