IB/uverbs: Replace ib_ucq_object uverbs_file with the one in ib_uobject

Now that ib_uobject has a ib_uverbs_file we don't need this extra one in
ib_ucq_object.
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/core/uverbs.h

@@ -204,7 +204,6 @@ struct ib_uwq_object {
 
 struct ib_ucq_object {
 	struct ib_uobject	uobject;
-	struct ib_uverbs_file  *uverbs_file;
 	struct list_head	comp_list;
 	struct list_head	async_list;
 	u32			comp_events_reported;

drivers/infiniband/core/uverbs_cmd.c

@@ -976,7 +976,6 @@ static struct ib_ucq_object *create_cq(struct ib_uverbs_file *file,
 	}
 
 	obj->uobject.user_handle = cmd->user_handle;
-	obj->uverbs_file	   = file;
 	obj->comp_events_reported  = 0;
 	obj->async_events_reported = 0;
 	INIT_LIST_HEAD(&obj->comp_list);

drivers/infiniband/core/uverbs_main.c

@@ -538,7 +538,7 @@ void ib_uverbs_cq_event_handler(struct ib_event *event, void *context_ptr)
 	struct ib_ucq_object *uobj = container_of(event->element.cq->uobject,
 						  struct ib_ucq_object, uobject);
 
-	ib_uverbs_async_handler(uobj->uverbs_file, uobj->uobject.user_handle,
+	ib_uverbs_async_handler(uobj->uobject.ufile, uobj->uobject.user_handle,
 				event->event, &uobj->async_list,
 				&uobj->async_events_reported);
 }

drivers/infiniband/core/uverbs_std_types_cq.c

@@ -105,7 +105,6 @@ static int UVERBS_HANDLER(UVERBS_METHOD_CQ_CREATE)(struct ib_device *ib_dev,
 	obj = container_of(uverbs_attr_get_uobject(attrs,
 						   UVERBS_ATTR_CREATE_CQ_HANDLE),
 			   typeof(*obj), uobject);
-	obj->uverbs_file	   = file;
 	obj->comp_events_reported  = 0;
 	obj->async_events_reported = 0;
 	INIT_LIST_HEAD(&obj->comp_list);