Mesa (master): trace: Handle transfer returning null

[Jakob Bornecrantz]

Module: Mesa
Branch: master
Commit: 72fd1cf292937565a182b400595816c6ad88836a
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=72fd1cf292937565a182b400595816c6ad88836a

Author: Jakob Bornecrantz <jakob at vmware.com>
Date:   Wed Oct 14 11:44:09 2009 +0200

trace: Handle transfer returning null

---

 src/gallium/drivers/trace/tr_screen.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/src/gallium/drivers/trace/tr_screen.c b/src/gallium/drivers/trace/tr_screen.c
index ab605c7..7da9bd3 100644
--- a/src/gallium/drivers/trace/tr_screen.c
+++ b/src/gallium/drivers/trace/tr_screen.c
@@ -366,7 +366,8 @@ trace_screen_get_tex_transfer(struct pipe_screen *_screen,
 
    trace_dump_call_end();
 
-   result = trace_transfer_create(tr_tex, result);
+   if (result)
+      result = trace_transfer_create(tr_tex, result);
 
    return result;
 }