mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-11 12:28:41 +08:00
60dff56d77
The refcount_t API will WARN on underflow and overflow of a reference counter, and avoid use-after-free risks. Link: https://lore.kernel.org/r/1622194663-2383-2-git-send-email-liweihang@huawei.com Signed-off-by: Weihang Li <liweihang@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
63 lines
2.3 KiB
C
63 lines
2.3 KiB
C
/*
|
|
* Copyright (c) 2005 Network Appliance, Inc. All rights reserved.
|
|
* Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
|
|
*
|
|
* This software is available to you under a choice of one of two
|
|
* licenses. You may choose to be licensed under the terms of the GNU
|
|
* General Public License (GPL) Version 2, available from the file
|
|
* COPYING in the main directory of this source tree, or the
|
|
* OpenIB.org BSD license below:
|
|
*
|
|
* Redistribution and use in source and binary forms, with or
|
|
* without modification, are permitted provided that the following
|
|
* conditions are met:
|
|
*
|
|
* - Redistributions of source code must retain the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer.
|
|
*
|
|
* - Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer in the documentation and/or other materials
|
|
* provided with the distribution.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
#ifndef IWCM_H
|
|
#define IWCM_H
|
|
|
|
enum iw_cm_state {
|
|
IW_CM_STATE_IDLE, /* unbound, inactive */
|
|
IW_CM_STATE_LISTEN, /* listen waiting for connect */
|
|
IW_CM_STATE_CONN_RECV, /* inbound waiting for user accept */
|
|
IW_CM_STATE_CONN_SENT, /* outbound waiting for peer accept */
|
|
IW_CM_STATE_ESTABLISHED, /* established */
|
|
IW_CM_STATE_CLOSING, /* disconnect */
|
|
IW_CM_STATE_DESTROYING /* object being deleted */
|
|
};
|
|
|
|
struct iwcm_id_private {
|
|
struct iw_cm_id id;
|
|
enum iw_cm_state state;
|
|
unsigned long flags;
|
|
struct ib_qp *qp;
|
|
struct completion destroy_comp;
|
|
wait_queue_head_t connect_wait;
|
|
struct list_head work_list;
|
|
spinlock_t lock;
|
|
refcount_t refcount;
|
|
struct list_head work_free_list;
|
|
};
|
|
|
|
#define IWCM_F_DROP_EVENTS 1
|
|
#define IWCM_F_CONNECT_WAIT 2
|
|
|
|
#endif /* IWCM_H */
|