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author | 2013-01-21 22:10:32 +0000 | |
---|---|---|
committer | 2013-01-23 12:56:33 +0100 | |
commit | 04d870017908f40bbb1c51910acc030ae4979db4 (patch) | |
tree | 552a8d3d957bbfb6626270f1304a3d10acefdf61 | |
parent | netfilter: nf_ct_labels: move initialization out of pernet_operations (diff) | |
download | linux-04d870017908f40bbb1c51910acc030ae4979db4.tar.gz linux-04d870017908f40bbb1c51910acc030ae4979db4.tar.bz2 linux-04d870017908f40bbb1c51910acc030ae4979db4.zip |
netfilter: nf_ct_proto: move initialization out of pernet_operations
Move the global initial codes to the module_init/exit context.
Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
-rw-r--r-- | include/net/netfilter/nf_conntrack_core.h | 7 | ||||
-rw-r--r-- | net/netfilter/nf_conntrack_core.c | 13 | ||||
-rw-r--r-- | net/netfilter/nf_conntrack_proto.c | 34 |
3 files changed, 34 insertions, 20 deletions
diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h index e05c1f67055c..930275fa2ea6 100644 --- a/include/net/netfilter/nf_conntrack_core.h +++ b/include/net/netfilter/nf_conntrack_core.h @@ -28,8 +28,11 @@ extern unsigned int nf_conntrack_in(struct net *net, extern int nf_conntrack_init_net(struct net *net); extern void nf_conntrack_cleanup_net(struct net *net); -extern int nf_conntrack_proto_init(struct net *net); -extern void nf_conntrack_proto_fini(struct net *net); +extern int nf_conntrack_proto_pernet_init(struct net *net); +extern void nf_conntrack_proto_pernet_fini(struct net *net); + +extern int nf_conntrack_proto_init(void); +extern void nf_conntrack_proto_fini(void); extern int nf_conntrack_init_start(void); extern void nf_conntrack_cleanup_start(void); diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index a4a3bcf77627..c8e001a9c45b 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -1348,6 +1348,7 @@ void nf_conntrack_cleanup_end(void) #ifdef CONFIG_NF_CONNTRACK_ZONES nf_ct_extend_unregister(&nf_ct_zone_extend); #endif + nf_conntrack_proto_fini(); nf_conntrack_labels_fini(); nf_conntrack_helper_fini(); nf_conntrack_timeout_fini(); @@ -1378,7 +1379,7 @@ void nf_conntrack_cleanup_net(struct net *net) } nf_ct_free_hashtable(net->ct.hash, net->ct.htable_size); - nf_conntrack_proto_fini(net); + nf_conntrack_proto_pernet_fini(net); nf_conntrack_helper_pernet_fini(net); nf_conntrack_ecache_pernet_fini(net); nf_conntrack_tstamp_pernet_fini(net); @@ -1540,6 +1541,10 @@ int nf_conntrack_init_start(void) if (ret < 0) goto err_extend; #endif + ret = nf_conntrack_proto_init(); + if (ret < 0) + goto err_proto; + /* Set up fake conntrack: to never be deleted, not in any hashes */ for_each_possible_cpu(cpu) { struct nf_conn *ct = &per_cpu(nf_conntrack_untracked, cpu); @@ -1550,10 +1555,12 @@ int nf_conntrack_init_start(void) nf_ct_untracked_status_or(IPS_CONFIRMED | IPS_UNTRACKED); return 0; +err_proto: #ifdef CONFIG_NF_CONNTRACK_ZONES + nf_ct_extend_unregister(&nf_ct_zone_extend); err_extend: - nf_conntrack_labels_fini(); #endif + nf_conntrack_labels_fini(); err_labels: nf_conntrack_helper_fini(); err_helper: @@ -1638,7 +1645,7 @@ int nf_conntrack_init_net(struct net *net) ret = nf_conntrack_helper_pernet_init(net); if (ret < 0) goto err_helper; - ret = nf_conntrack_proto_init(net); + ret = nf_conntrack_proto_pernet_init(net); if (ret < 0) goto err_proto; return 0; diff --git a/net/netfilter/nf_conntrack_proto.c b/net/netfilter/nf_conntrack_proto.c index 51e928db48c8..f0ec07c3fb6c 100644 --- a/net/netfilter/nf_conntrack_proto.c +++ b/net/netfilter/nf_conntrack_proto.c @@ -503,9 +503,8 @@ void nf_conntrack_l4proto_unregister(struct net *net, } EXPORT_SYMBOL_GPL(nf_conntrack_l4proto_unregister); -int nf_conntrack_proto_init(struct net *net) +int nf_conntrack_proto_pernet_init(struct net *net) { - unsigned int i; int err; struct nf_proto_net *pn = nf_ct_l4proto_net(net, &nf_conntrack_l4proto_generic); @@ -520,19 +519,12 @@ int nf_conntrack_proto_init(struct net *net) if (err < 0) return err; - if (net == &init_net) { - for (i = 0; i < AF_MAX; i++) - rcu_assign_pointer(nf_ct_l3protos[i], - &nf_conntrack_l3proto_generic); - } - pn->users++; return 0; } -void nf_conntrack_proto_fini(struct net *net) +void nf_conntrack_proto_pernet_fini(struct net *net) { - unsigned int i; struct nf_proto_net *pn = nf_ct_l4proto_net(net, &nf_conntrack_l4proto_generic); @@ -540,9 +532,21 @@ void nf_conntrack_proto_fini(struct net *net) nf_ct_l4proto_unregister_sysctl(net, pn, &nf_conntrack_l4proto_generic); - if (net == &init_net) { - /* free l3proto protocol tables */ - for (i = 0; i < PF_MAX; i++) - kfree(nf_ct_protos[i]); - } +} + +int nf_conntrack_proto_init(void) +{ + unsigned int i; + for (i = 0; i < AF_MAX; i++) + rcu_assign_pointer(nf_ct_l3protos[i], + &nf_conntrack_l3proto_generic); + return 0; +} + +void nf_conntrack_proto_fini(void) +{ + unsigned int i; + /* free l3proto protocol tables */ + for (i = 0; i < PF_MAX; i++) + kfree(nf_ct_protos[i]); } |