glx: Fix use after free case when destroying screens

diff --git a/src/glx/glxext.c b/src/glx/glxext.c
index f9a5f7ce5d730f6f14f477ec2f5ada8a3ed08d68..eadc792b917d790e6ed8e8a778ca0ce7b8c482ed 100644 (file)
--- a/src/glx/glxext.c
+++ b/src/glx/glxext.c
@@ -229,7 +229,6 @@ FreeScreenConfigs(__GLXdisplayPrivate * priv)
 #if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
       if (psc->driScreen) {
          psc->driScreen->destroyScreen(psc);
-         psc->driScreen = NULL;
       } else {
         Xfree(psc);
       }