glx: Only remove the glx_display from the list after it's destroyed.

Signed-off-by: Henri Verbeet <hverbeet@gmail.com>

diff --git a/src/glx/glxext.c b/src/glx/glxext.c
index e35dcb73e89538802200c8db047e9ed4e60e5e79..278c71978fa9b372a0a9243153435c9570465adc 100644 (file)
--- a/src/glx/glxext.c
+++ b/src/glx/glxext.c
@@ -250,19 +250,24 @@ glx_display_free(struct glx_display *priv)
 static int
 __glXCloseDisplay(Display * dpy, XExtCodes * codes)
 {
-   struct glx_display *priv, **prev;
+   struct glx_display *priv, **prev, *next;
 
    _XLockMutex(_Xglobal_lock);
    prev = &glx_displays;
    for (priv = glx_displays; priv; prev = &priv->next, priv = priv->next) {
       if (priv->dpy == dpy) {
-        (*prev) = priv->next;
         break;
       }
    }
-   _XUnlockMutex(_Xglobal_lock);
 
+   /* Only remove the display from the list after it's destroyed. The cleanup
+    * code (e.g. driReleaseDrawables()) ends up calling __glXInitialize(),
+    * which would create a new glx_display while we're trying to destroy this
+    * one. */
+   next = priv->next;
    glx_display_free(priv);
+   *prev = next;
+   _XUnlockMutex(_Xglobal_lock);
 
    return 1;
 }