Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/net/request_sock.h b/include/net/request_sock.h
index 3470155..cf8b332 100644
--- a/include/net/request_sock.h
+++ b/include/net/request_sock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* NET Generic infrastructure for Network protocols.
*
@@ -6,11 +7,6 @@
* Authors: Arnaldo Carvalho de Melo <acme@conectiva.com.br>
*
* From code originally in include/net/tcp.h
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#ifndef _REQUEST_SOCK_H
#define _REQUEST_SOCK_H
@@ -101,16 +97,16 @@
sk_node_init(&req_to_sk(req)->sk_node);
sk_tx_queue_clear(req_to_sk(req));
req->saved_syn = NULL;
+ req->num_timeout = 0;
+ req->num_retrans = 0;
+ req->sk = NULL;
refcount_set(&req->rsk_refcnt, 0);
return req;
}
-static inline void reqsk_free(struct request_sock *req)
+static inline void __reqsk_free(struct request_sock *req)
{
- /* temporary debugging */
- WARN_ON_ONCE(refcount_read(&req->rsk_refcnt) != 0);
-
req->rsk_ops->destructor(req);
if (req->rsk_listener)
sock_put(req->rsk_listener);
@@ -118,6 +114,12 @@
kmem_cache_free(req->rsk_ops->slab, req);
}
+static inline void reqsk_free(struct request_sock *req)
+{
+ WARN_ON_ONCE(refcount_read(&req->rsk_refcnt) != 0);
+ __reqsk_free(req);
+}
+
static inline void reqsk_put(struct request_sock *req)
{
if (refcount_dec_and_test(&req->rsk_refcnt))
@@ -183,7 +185,7 @@
static inline bool reqsk_queue_empty(const struct request_sock_queue *queue)
{
- return queue->rskq_accept_head == NULL;
+ return READ_ONCE(queue->rskq_accept_head) == NULL;
}
static inline struct request_sock *reqsk_queue_remove(struct request_sock_queue *queue,
@@ -195,7 +197,7 @@
req = queue->rskq_accept_head;
if (req) {
sk_acceptq_removed(parent);
- queue->rskq_accept_head = req->dl_next;
+ WRITE_ONCE(queue->rskq_accept_head, req->dl_next);
if (queue->rskq_accept_head == NULL)
queue->rskq_accept_tail = NULL;
}