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Date: Mon, 30 Dec 2013 10:41:32 -0800
From: Stephen Hemminger <stephen@...workplumber.org>
To: David Miller <davem@...emloft.net>
Cc: netdev@...r.kernel.org
Subject: [PATCH net-next] netlink: cleanup rntl_af_register
The function __rtnl_af_register is never called outside this
code, and the return value is always 0.
---
include/net/rtnetlink.h | 3 +--
net/bridge/br_netlink.c | 5 +----
net/core/rtnetlink.c | 22 ++--------------------
net/ipv6/addrconf.c | 5 +----
4 files changed, 5 insertions(+), 30 deletions(-)
--- a/include/net/rtnetlink.h 2013-12-24 15:23:13.903434901 -0800
+++ b/include/net/rtnetlink.h 2013-12-24 15:25:37.329487072 -0800
@@ -115,10 +115,9 @@ struct rtnl_af_ops {
const struct nlattr *attr);
};
-int __rtnl_af_register(struct rtnl_af_ops *ops);
void __rtnl_af_unregister(struct rtnl_af_ops *ops);
-int rtnl_af_register(struct rtnl_af_ops *ops);
+void rtnl_af_register(struct rtnl_af_ops *ops);
void rtnl_af_unregister(struct rtnl_af_ops *ops);
struct net *rtnl_link_get_net(struct net *src_net, struct nlattr *tb[]);
--- a/net/core/rtnetlink.c 2013-12-24 15:23:13.903434901 -0800
+++ b/net/core/rtnetlink.c 2013-12-24 15:25:37.329487072 -0800
@@ -403,34 +403,16 @@ static const struct rtnl_af_ops *rtnl_af
}
/**
- * __rtnl_af_register - Register rtnl_af_ops with rtnetlink.
- * @ops: struct rtnl_af_ops * to register
- *
- * The caller must hold the rtnl_mutex.
- *
- * Returns 0 on success or a negative error code.
- */
-int __rtnl_af_register(struct rtnl_af_ops *ops)
-{
- list_add_tail(&ops->list, &rtnl_af_ops);
- return 0;
-}
-EXPORT_SYMBOL_GPL(__rtnl_af_register);
-
-/**
* rtnl_af_register - Register rtnl_af_ops with rtnetlink.
* @ops: struct rtnl_af_ops * to register
*
* Returns 0 on success or a negative error code.
*/
-int rtnl_af_register(struct rtnl_af_ops *ops)
+void rtnl_af_register(struct rtnl_af_ops *ops)
{
- int err;
-
rtnl_lock();
- err = __rtnl_af_register(ops);
+ list_add_tail(&ops->list, &rtnl_af_ops);
rtnl_unlock();
- return err;
}
EXPORT_SYMBOL_GPL(rtnl_af_register);
--- a/net/bridge/br_netlink.c 2013-12-24 15:23:13.903434901 -0800
+++ b/net/bridge/br_netlink.c 2013-12-24 15:25:37.329487072 -0800
@@ -481,9 +481,7 @@ int __init br_netlink_init(void)
int err;
br_mdb_init();
- err = rtnl_af_register(&br_af_ops);
- if (err)
- goto out;
+ rtnl_af_register(&br_af_ops);
err = rtnl_link_register(&br_link_ops);
if (err)
@@ -493,7 +491,6 @@ int __init br_netlink_init(void)
out_af:
rtnl_af_unregister(&br_af_ops);
-out:
br_mdb_uninit();
return err;
}
--- a/net/ipv6/addrconf.c 2013-12-24 15:23:13.903434901 -0800
+++ b/net/ipv6/addrconf.c 2013-12-24 15:25:37.329487072 -0800
@@ -5210,9 +5210,7 @@ int __init addrconf_init(void)
addrconf_verify(0);
- err = rtnl_af_register(&inet6_ops);
- if (err < 0)
- goto errout_af;
+ rtnl_af_register(&inet6_ops);
err = __rtnl_register(PF_INET6, RTM_GETLINK, NULL, inet6_dump_ifinfo,
NULL);
@@ -5236,7 +5234,6 @@ int __init addrconf_init(void)
return 0;
errout:
rtnl_af_unregister(&inet6_ops);
-errout_af:
unregister_netdevice_notifier(&ipv6_dev_notf);
errlo:
unregister_pernet_subsys(&addrconf_ops);
--
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