Mesa (master): util: add alloc check

[Alan Hourihane]

Module: Mesa
Branch: master
Commit: 867478b6f6fe3ad76c3d1d75b2b907f59b9a649c
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=867478b6f6fe3ad76c3d1d75b2b907f59b9a649c

Author: Alan Hourihane <alanh at vmware.com>
Date:   Wed Jun 16 18:10:34 2010 +0100

util: add alloc check

---

 src/gallium/auxiliary/util/u_upload_mgr.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/src/gallium/auxiliary/util/u_upload_mgr.c b/src/gallium/auxiliary/util/u_upload_mgr.c
index 75d4443..af229e6 100644
--- a/src/gallium/auxiliary/util/u_upload_mgr.c
+++ b/src/gallium/auxiliary/util/u_upload_mgr.c
@@ -59,6 +59,8 @@ struct u_upload_mgr *u_upload_create( struct pipe_context *pipe,
                                       unsigned usage )
 {
    struct u_upload_mgr *upload = CALLOC_STRUCT( u_upload_mgr );
+   if (!upload)
+      return NULL;
 
    upload->pipe = pipe;
    upload->default_size = default_size;