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net: use rtnl_register_module where needed

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all of these can be compiled as a module, so use new
_module version to make sure module can no longer be removed
while callback/dump is in use.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Westphal 2017-12-02 21:44:07 +01:00 committed by David S. Miller
parent e420251148
commit c1c502b511
8 changed files with 55 additions and 32 deletions
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6
net/bridge/br_mdb.c
View File

@ -760,9 +760,9 @@ static int br_mdb_del(struct sk_buff *skb, struct nlmsghdr *nlh,
void br_mdb_init(void)
{
rtnl_register(PF_BRIDGE, RTM_GETMDB, NULL, br_mdb_dump, 0);
rtnl_register(PF_BRIDGE, RTM_NEWMDB, br_mdb_add, NULL, 0);
rtnl_register(PF_BRIDGE, RTM_DELMDB, br_mdb_del, NULL, 0);
rtnl_register_module(THIS_MODULE, PF_BRIDGE, RTM_GETMDB, NULL, br_mdb_dump, 0);
rtnl_register_module(THIS_MODULE, PF_BRIDGE, RTM_NEWMDB, br_mdb_add, NULL, 0);
rtnl_register_module(THIS_MODULE, PF_BRIDGE, RTM_DELMDB, br_mdb_del, NULL, 0);
}
void br_mdb_uninit(void)

14
net/can/gw.c
View File

@ -1014,6 +1014,8 @@ static struct pernet_operations cangw_pernet_ops = {
static __init int cgw_module_init(void)
{
int ret;
/* sanitize given module parameter */
max_hops = clamp_t(unsigned int, max_hops, CGW_MIN_HOPS, CGW_MAX_HOPS);
@ -1031,15 +1033,19 @@ static __init int cgw_module_init(void)
notifier.notifier_call = cgw_notifier;
register_netdevice_notifier(&notifier);
if (__rtnl_register(PF_CAN, RTM_GETROUTE, NULL, cgw_dump_jobs, 0)) {
ret = rtnl_register_module(THIS_MODULE, PF_CAN, RTM_GETROUTE,
NULL, cgw_dump_jobs, 0);
if (ret) {
unregister_netdevice_notifier(&notifier);
kmem_cache_destroy(cgw_cache);
return -ENOBUFS;
}
/* Only the first call to __rtnl_register can fail */
__rtnl_register(PF_CAN, RTM_NEWROUTE, cgw_create_job, NULL, 0);
__rtnl_register(PF_CAN, RTM_DELROUTE, cgw_remove_job, NULL, 0);
/* Only the first call to rtnl_register_module can fail */
rtnl_register_module(THIS_MODULE, PF_CAN, RTM_NEWROUTE,
cgw_create_job, NULL, 0);
rtnl_register_module(THIS_MODULE, PF_CAN, RTM_DELROUTE,
cgw_remove_job, NULL, 0);
return 0;
}

9
net/decnet/dn_dev.c
View File

@ -1418,9 +1418,12 @@ void __init dn_dev_init(void)
dn_dev_devices_on();
rtnl_register(PF_DECnet, RTM_NEWADDR, dn_nl_newaddr, NULL, 0);
rtnl_register(PF_DECnet, RTM_DELADDR, dn_nl_deladdr, NULL, 0);
rtnl_register(PF_DECnet, RTM_GETADDR, NULL, dn_nl_dump_ifaddr, 0);
rtnl_register_module(THIS_MODULE, PF_DECnet, RTM_NEWADDR,
dn_nl_newaddr, NULL, 0);
rtnl_register_module(THIS_MODULE, PF_DECnet, RTM_DELADDR,
dn_nl_deladdr, NULL, 0);
rtnl_register_module(THIS_MODULE, PF_DECnet, RTM_GETADDR,
NULL, dn_nl_dump_ifaddr, 0);
proc_create("decnet_dev", S_IRUGO, init_net.proc_net, &dn_dev_seq_fops);

6
net/decnet/dn_fib.c
View File

@ -792,8 +792,10 @@ void __init dn_fib_init(void)
register_dnaddr_notifier(&dn_fib_dnaddr_notifier);
rtnl_register(PF_DECnet, RTM_NEWROUTE, dn_fib_rtm_newroute, NULL, 0);
rtnl_register(PF_DECnet, RTM_DELROUTE, dn_fib_rtm_delroute, NULL, 0);
rtnl_register_module(THIS_MODULE, PF_DECnet, RTM_NEWROUTE,
dn_fib_rtm_newroute, NULL, 0);
rtnl_register_module(THIS_MODULE, PF_DECnet, RTM_DELROUTE,
dn_fib_rtm_delroute, NULL, 0);
}

8
net/decnet/dn_route.c
View File

@ -1923,11 +1923,11 @@ void __init dn_route_init(void)
&dn_rt_cache_seq_fops);
#ifdef CONFIG_DECNET_ROUTER
rtnl_register(PF_DECnet, RTM_GETROUTE, dn_cache_getroute,
dn_fib_dump, 0);
rtnl_register_module(THIS_MODULE, PF_DECnet, RTM_GETROUTE,
dn_cache_getroute, dn_fib_dump, 0);
#else
rtnl_register(PF_DECnet, RTM_GETROUTE, dn_cache_getroute,
dn_cache_dump, 0);
rtnl_register_module(THIS_MODULE, PF_DECnet, RTM_GETROUTE,
dn_cache_getroute, dn_cache_dump, 0);
#endif
}

13
net/mpls/af_mpls.c
View File

@ -2510,11 +2510,14 @@ static int __init mpls_init(void)
rtnl_af_register(&mpls_af_ops);
rtnl_register(PF_MPLS, RTM_NEWROUTE, mpls_rtm_newroute, NULL, 0);
rtnl_register(PF_MPLS, RTM_DELROUTE, mpls_rtm_delroute, NULL, 0);
rtnl_register(PF_MPLS, RTM_GETROUTE, mpls_getroute, mpls_dump_routes,
0);
rtnl_register(PF_MPLS, RTM_GETNETCONF, mpls_netconf_get_devconf,
rtnl_register_module(THIS_MODULE, PF_MPLS, RTM_NEWROUTE,
mpls_rtm_newroute, NULL, 0);
rtnl_register_module(THIS_MODULE, PF_MPLS, RTM_DELROUTE,
mpls_rtm_delroute, NULL, 0);
rtnl_register_module(THIS_MODULE, PF_MPLS, RTM_GETROUTE,
mpls_getroute, mpls_dump_routes, 0);
rtnl_register_module(THIS_MODULE, PF_MPLS, RTM_GETNETCONF,
mpls_netconf_get_devconf,
mpls_netconf_dump_devconf, 0);
err = ipgre_tunnel_encap_add_mpls_ops();
if (err)

21
net/phonet/pn_netlink.c
View File

@ -299,16 +299,21 @@ out:
int __init phonet_netlink_register(void)
{
int err = __rtnl_register(PF_PHONET, RTM_NEWADDR, addr_doit,
NULL, 0);
int err = rtnl_register_module(THIS_MODULE, PF_PHONET, RTM_NEWADDR,
addr_doit, NULL, 0);
if (err)
return err;
/* Further __rtnl_register() cannot fail */
__rtnl_register(PF_PHONET, RTM_DELADDR, addr_doit, NULL, 0);
__rtnl_register(PF_PHONET, RTM_GETADDR, NULL, getaddr_dumpit, 0);
__rtnl_register(PF_PHONET, RTM_NEWROUTE, route_doit, NULL, 0);
__rtnl_register(PF_PHONET, RTM_DELROUTE, route_doit, NULL, 0);
__rtnl_register(PF_PHONET, RTM_GETROUTE, NULL, route_dumpit, 0);
/* Further rtnl_register_module() cannot fail */
rtnl_register_module(THIS_MODULE, PF_PHONET, RTM_DELADDR,
addr_doit, NULL, 0);
rtnl_register_module(THIS_MODULE, PF_PHONET, RTM_GETADDR,
NULL, getaddr_dumpit, 0);
rtnl_register_module(THIS_MODULE, PF_PHONET, RTM_NEWROUTE,
route_doit, NULL, 0);
rtnl_register_module(THIS_MODULE, PF_PHONET, RTM_DELROUTE,
route_doit, NULL, 0);
rtnl_register_module(THIS_MODULE, PF_PHONET, RTM_GETROUTE,
NULL, route_dumpit, 0);
return 0;
}

8
net/qrtr/qrtr.c
View File

@ -1116,9 +1116,13 @@ static int __init qrtr_proto_init(void)
return rc;
}
rtnl_register(PF_QIPCRTR, RTM_NEWADDR, qrtr_addr_doit, NULL, 0);
rc = rtnl_register_module(THIS_MODULE, PF_QIPCRTR, RTM_NEWADDR, qrtr_addr_doit, NULL, 0);
if (rc) {
sock_unregister(qrtr_family.family);
proto_unregister(&qrtr_proto);
}
return 0;
return rc;
}
postcore_initcall(qrtr_proto_init);