Alexandre Julliard : server: Fix possible NULL dereference.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: c69468ddcc4478e29645372edd370a9ad353cea1
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=c69468ddcc4478e29645372edd...

Author: Alexandre Julliard 
Date:   Tue Dec 18 19:44:00 2007 +0100

server: Fix possible NULL dereference.

---

server/async.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/server/async.c b/server/async.c
index ff5f7a6..baed133 100644
--- a/server/async.c
+++ b/server/async.c
@@ -213,7 +213,8 @@ struct async *create_async( struct thread *thread, struct async_queue *queue, co
     async->data    = *data;
     async->timeout = NULL;
     async->queue   = (struct async_queue *)grab_object( queue );
-    fd_assign_completion( queue->fd, &async->completion, &async->comp_key );
+    async->completion = NULL;
+    if (queue->fd) fd_assign_completion( queue->fd, &async->completion, &async->comp_key );

list_add_tail( &queue->queue, &async->queue_entry );
     grab_object( async );