From 9201d75bbe7d6cb91375c320b0e37ff520054442 Mon Sep 17 00:00:00 2001
From: rdb <git@rdb.name>
Date: Sat, 9 Nov 2019 14:39:49 +0100
Subject: [PATCH] gobj: fix crash on shutdown with cached buffer contexts

This was a regression from 207263c1a89de2386d140573d5b5c14b53974048
---
 panda/src/gobj/preparedGraphicsObjects.cxx | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/panda/src/gobj/preparedGraphicsObjects.cxx b/panda/src/gobj/preparedGraphicsObjects.cxx
index 800d4ee1f6..5854d37196 100644
--- a/panda/src/gobj/preparedGraphicsObjects.cxx
+++ b/panda/src/gobj/preparedGraphicsObjects.cxx
@@ -1674,10 +1674,7 @@ cache_unprepared_buffer(BufferContext *buffer, size_t data_size_bytes,
            (int)buffer_cache_size > released_buffer_cache_size) {
       BufferContext *released_buffer = buffer_list.back();
       buffer_list.pop_back();
-      if (released_buffer->_object != nullptr) {
-        released_buffer->_object = nullptr;
-        released_buffers.push_back(released_buffer);
-      }
+      released_buffers.push_back(released_buffer);
       buffer_cache_size -= release_key._data_size_bytes;
     }