Mesa (gallium-0.2): nv50: fix crash in nv50_program_destroy

[Ben Skeggs]

Module: Mesa
Branch: gallium-0.2
Commit: 00b15c9f40944d94aa28a441edd7ebb51577d9ba
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=00b15c9f40944d94aa28a441edd7ebb51577d9ba

Author: Ben Skeggs <skeggsb at gmail.com>
Date:   Mon Jan  5 15:56:19 2009 +1100

nv50: fix crash in nv50_program_destroy

---

 src/gallium/drivers/nv50/nv50_program.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c
index 147a98a..8414d06 100644
--- a/src/gallium/drivers/nv50/nv50_program.c
+++ b/src/gallium/drivers/nv50/nv50_program.c
@@ -1718,7 +1718,7 @@ nv50_fragprog_validate(struct nv50_context *nv50)
 void
 nv50_program_destroy(struct nv50_context *nv50, struct nv50_program *p)
 {
-	struct pipe_winsys *ws = nv50->pipe.winsys;
+	struct pipe_screen *pscreen = nv50->pipe.screen;
 
 	while (p->exec_head) {
 		struct nv50_program_exec *e = p->exec_head;
@@ -1730,7 +1730,7 @@ nv50_program_destroy(struct nv50_context *nv50, struct nv50_program *p)
 	p->exec_size = 0;
 
 	if (p->buffer)
-		pipe_buffer_reference(ws, &p->buffer, NULL);
+		pipe_buffer_reference(pscreen, &p->buffer, NULL);
 
 	nv50->screen->nvws->res_free(&p->data);