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xfrm: change the type of xfrm_register_km and xfrm_unregister_km

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Functions xfrm_register_km and xfrm_unregister_km do always return 0,
change the type of functions to void.

Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Zhengchao Shao 2022-06-15 09:55:19 +08:00 committed by Steffen Klassert
parent 924b290655
commit f41b284a2c
4 changed files with 7 additions and 15 deletions
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4
include/net/xfrm.h
View File

@ -583,8 +583,8 @@ struct xfrm_mgr {
bool (*is_alive)(const struct km_event *c);
};
int xfrm_register_km(struct xfrm_mgr *km);
int xfrm_unregister_km(struct xfrm_mgr *km);
void xfrm_register_km(struct xfrm_mgr *km);
void xfrm_unregister_km(struct xfrm_mgr *km);
struct xfrm_tunnel_skb_cb {
union {

6
net/key/af_key.c
View File

@ -3894,14 +3894,10 @@ static int __init ipsec_pfkey_init(void)
err = sock_register(&pfkey_family_ops);
if (err != 0)
goto out_unregister_pernet;
err = xfrm_register_km(&pfkeyv2_mgr);
if (err != 0)
goto out_sock_unregister;
xfrm_register_km(&pfkeyv2_mgr);
out:
return err;
out_sock_unregister:
sock_unregister(PF_KEY);
out_unregister_pernet:
unregister_pernet_subsys(&pfkey_net_ops);
out_unregister_key_proto:

6
net/xfrm/xfrm_state.c
View File

@ -2481,22 +2481,20 @@ EXPORT_SYMBOL(xfrm_user_policy);
static DEFINE_SPINLOCK(xfrm_km_lock);
int xfrm_register_km(struct xfrm_mgr *km)
void xfrm_register_km(struct xfrm_mgr *km)
{
spin_lock_bh(&xfrm_km_lock);
list_add_tail_rcu(&km->list, &xfrm_km_list);
spin_unlock_bh(&xfrm_km_lock);
return 0;
}
EXPORT_SYMBOL(xfrm_register_km);
int xfrm_unregister_km(struct xfrm_mgr *km)
void xfrm_unregister_km(struct xfrm_mgr *km)
{
spin_lock_bh(&xfrm_km_lock);
list_del_rcu(&km->list);
spin_unlock_bh(&xfrm_km_lock);
synchronize_rcu();
return 0;
}
EXPORT_SYMBOL(xfrm_unregister_km);

6
net/xfrm/xfrm_user.c
View File

@ -3633,10 +3633,8 @@ static int __init xfrm_user_init(void)
rv = register_pernet_subsys(&xfrm_user_net_ops);
if (rv < 0)
return rv;
rv = xfrm_register_km(&netlink_mgr);
if (rv < 0)
unregister_pernet_subsys(&xfrm_user_net_ops);
return rv;
xfrm_register_km(&netlink_mgr);
return 0;
}
static void __exit xfrm_user_exit(void)