From e071812e46617b6f1d335aef6381de7b6afc269f Mon Sep 17 00:00:00 2001
From: Chia-I Wu <olvaffe@gmail.com>
Date: Thu, 27 Jun 2013 14:52:54 +0800
Subject: ilo: avoid potential dangling pointer dereference

Set pipe_draw_info to NULL after draw_vbo().
---
 src/gallium/drivers/ilo/ilo_3d.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/gallium/drivers/ilo/ilo_3d.c')

diff --git a/src/gallium/drivers/ilo/ilo_3d.c b/src/gallium/drivers/ilo/ilo_3d.c
index ef3aeced340..65adcf26f7e 100644
--- a/src/gallium/drivers/ilo/ilo_3d.c
+++ b/src/gallium/drivers/ilo/ilo_3d.c
@@ -729,6 +729,9 @@ ilo_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
    ilo->dirty = 0x0;
    hw3d->new_batch = false;
 
+   /* avoid dangling pointer reference */
+   ilo->draw = NULL;
+
    update_prim_count(hw3d, prim_generated, prim_emitted);
 
    if (ilo_debug & ILO_DEBUG_NOCACHE)
-- 
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