From: Keith Whitwell <keith@tungstengraphics.com>
Date: Wed, 10 Aug 2005 14:13:45 +0000 (+0000)
Subject: Check for prim/vertex store non-null before messing with refcounts.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=738c9a073f6108df0f13c47daa3f24878d2d26ec;p=mesa.git

Check for prim/vertex store non-null before messing with refcounts.
---

diff --git a/src/mesa/tnl/t_save_api.c b/src/mesa/tnl/t_save_api.c
index b43b048083f..9788468d508 100644
--- a/src/mesa/tnl/t_save_api.c
+++ b/src/mesa/tnl/t_save_api.c
@@ -1714,9 +1714,11 @@ void _tnl_save_destroy( GLcontext *ctx )
     * display lists yet to be destroyed, so it may not yet be time to
     * free these items.
     */
-   if ( --tnl->save.prim_store->refcount == 0 )
+   if (tnl->save.prim_store &&
+       --tnl->save.prim_store->refcount == 0 )
       FREE( tnl->save.prim_store );
 
-   if ( --tnl->save.vertex_store->refcount == 0 )
+   if (tnl->save.vertex_store &&
+       --tnl->save.vertex_store->refcount == 0 )
       FREE( tnl->save.vertex_store );
 }