Revert "st/dri: Fix dangling pointer to a destroyed dri_drawable"

This reverts commit dab02dea3411d325a5aee6cda5b581e61396ecc6.

It causes crashes of qtcreator and firefox.

Fixes: dab02de "st/dri: Fix dangling pointer to a destroyed dri_drawable"
Cc: 18.0 18.1 <mesa-stable@lists.freedesktop.org>

diff --git a/src/gallium/state_trackers/dri/dri_drawable.c b/src/gallium/state_trackers/dri/dri_drawable.c
index 02328acd98d3aebc673ba590db99cf1ee94329c5..e5a7537e4731184920ab86ab2a46b00fcac20739 100644 (file)
--- a/src/gallium/state_trackers/dri/dri_drawable.c
+++ b/src/gallium/state_trackers/dri/dri_drawable.c
@@ -185,7 +185,6 @@ fail:
 void
 dri_destroy_buffer(__DRIdrawable * dPriv)
 {
-   struct dri_context *ctx = dri_context(dPriv->driContextPriv);
    struct dri_drawable *drawable = dri_drawable(dPriv);
    struct dri_screen *screen = drawable->screen;
    struct st_api *stapi = screen->st_api;
@@ -203,9 +202,6 @@ dri_destroy_buffer(__DRIdrawable * dPriv)
    /* Notify the st manager that this drawable is no longer valid */
    stapi->destroy_drawable(stapi, &drawable->base);
 
-   if (ctx && ctx->dPriv == dPriv)
-      ctx->dPriv = NULL;
-
    FREE(drawable);
 }