From: Keith Whitwell <keithw@vmware.com>
Date: Tue, 2 Nov 2010 12:05:46 +0000 (+0000)
Subject: llvmpipe: guard against NULL task->query pointer
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=debcb434891756573ed2dc102ad1b673a8dce7da;p=mesa.git

llvmpipe: guard against NULL task->query pointer

This doesn't seem like it should be possible, but some test suites
manage to hit this case.  Avoid crashing release builds under those
circumstances.
---

diff --git a/src/gallium/drivers/llvmpipe/lp_rast.c b/src/gallium/drivers/llvmpipe/lp_rast.c
index d358a983943..decf3bd4499 100644
--- a/src/gallium/drivers/llvmpipe/lp_rast.c
+++ b/src/gallium/drivers/llvmpipe/lp_rast.c
@@ -485,8 +485,11 @@ static void
 lp_rast_end_query(struct lp_rasterizer_task *task,
                   const union lp_rast_cmd_arg arg)
 {
-   task->query->count[task->thread_index] += task->vis_counter;
-   task->query = NULL;
+   assert(task->query);
+   if (task->query) {
+      task->query->count[task->thread_index] += task->vis_counter;
+      task->query = NULL;
+   }
 }