diff options
| -rw-r--r-- | net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c | 57 |
1 files changed, 38 insertions, 19 deletions
diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c index f8636a57e8c..b2940836d10 100644 --- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c +++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c @@ -21,18 +21,20 @@ #include <net/netfilter/nf_conntrack_acct.h> struct ct_iter_state { + struct seq_net_private p; unsigned int bucket; }; static struct hlist_node *ct_get_first(struct seq_file *seq) { + struct net *net = seq_file_net(seq); struct ct_iter_state *st = seq->private; struct hlist_node *n; for (st->bucket = 0; st->bucket < nf_conntrack_htable_size; st->bucket++) { - n = rcu_dereference(init_net.ct.hash[st->bucket].first); + n = rcu_dereference(net->ct.hash[st->bucket].first); if (n) return n; } @@ -42,13 +44,14 @@ static struct hlist_node *ct_get_first(struct seq_file *seq) static struct hlist_node *ct_get_next(struct seq_file *seq, struct hlist_node *head) { + struct net *net = seq_file_net(seq); struct ct_iter_state *st = seq->private; head = rcu_dereference(head->next); while (head == NULL) { if (++st->bucket >= nf_conntrack_htable_size) return NULL; - head = rcu_dereference(init_net.ct.hash[st->bucket].first); + head = rcu_dereference(net->ct.hash[st->bucket].first); } return head; } @@ -158,8 +161,8 @@ static const struct seq_operations ct_seq_ops = { static int ct_open(struct inode *inode, struct file *file) { - return seq_open_private(file, &ct_seq_ops, - sizeof(struct ct_iter_state)); + return seq_open_net(inode, file, &ct_seq_ops, + sizeof(struct ct_iter_state)); } static const struct file_operations ct_file_ops = { @@ -167,17 +170,18 @@ static const struct file_operations ct_file_ops = { .open = ct_open, .read = seq_read, .llseek = seq_lseek, - .release = seq_release_private, + .release = seq_release_net, }; /* expects */ struct ct_expect_iter_state { + struct seq_net_private p; unsigned int bucket; }; static struct hlist_node *ct_expect_get_first(struct seq_file *seq) { - struct net *net = &init_net; + struct net *net = seq_file_net(seq); struct ct_expect_iter_state *st = seq->private; struct hlist_node *n; @@ -192,7 +196,7 @@ static struct hlist_node *ct_expect_get_first(struct seq_file *seq) static struct hlist_node *ct_expect_get_next(struct seq_file *seq, struct hlist_node *head) { - struct net *net = &init_net; + struct net *net = seq_file_net(seq); struct ct_expect_iter_state *st = seq->private; head = rcu_dereference(head->next); @@ -267,8 +271,8 @@ static const struct seq_operations exp_seq_ops = { static int exp_open(struct inode *inode, struct file *file) { - return seq_open_private(file, &exp_seq_ops, - sizeof(struct ct_expect_iter_state)); + return seq_open_net(inode, file, &exp_seq_ops, + sizeof(struct ct_expect_iter_state)); } static const struct file_operations ip_exp_file_ops = { @@ -276,7 +280,7 @@ static const struct file_operations ip_exp_file_ops = { .open = exp_open, .read = seq_read, .llseek = seq_lseek, - .release = seq_release_private, + .release = seq_release_net, }; static void *ct_cpu_seq_start(struct seq_file *seq, loff_t *pos) @@ -367,36 +371,51 @@ static const struct file_operations ct_cpu_seq_fops = { .release = seq_release, }; -int __init nf_conntrack_ipv4_compat_init(void) +static int __net_init ip_conntrack_net_init(struct net *net) { struct proc_dir_entry *proc, *proc_exp, *proc_stat; - proc = proc_net_fops_create(&init_net, "ip_conntrack", 0440, &ct_file_ops); + proc = proc_net_fops_create(net, "ip_conntrack", 0440, &ct_file_ops); if (!proc) goto err1; - proc_exp = proc_net_fops_create(&init_net, "ip_conntrack_expect", 0440, + proc_exp = proc_net_fops_create(net, "ip_conntrack_expect", 0440, &ip_exp_file_ops); if (!proc_exp) goto err2; proc_stat = proc_create("ip_conntrack", S_IRUGO, - init_net.proc_net_stat, &ct_cpu_seq_fops); + net->proc_net_stat, &ct_cpu_seq_fops); if (!proc_stat) goto err3; return 0; err3: - proc_net_remove(&init_net, "ip_conntrack_expect"); + proc_net_remove(net, "ip_conntrack_expect"); err2: - proc_net_remove(&init_net, "ip_conntrack"); + proc_net_remove(net, "ip_conntrack"); err1: return -ENOMEM; } +static void __net_exit ip_conntrack_net_exit(struct net *net) +{ + remove_proc_entry("ip_conntrack", net->proc_net_stat); + proc_net_remove(net, "ip_conntrack_expect"); + proc_net_remove(net, "ip_conntrack"); +} + +static struct pernet_operations ip_conntrack_net_ops = { + .init = ip_conntrack_net_init, + .exit = ip_conntrack_net_exit, +}; + +int __init nf_conntrack_ipv4_compat_init(void) +{ + return register_pernet_subsys(&ip_conntrack_net_ops); +} + void __exit nf_conntrack_ipv4_compat_fini(void) { - remove_proc_entry("ip_conntrack", init_net.proc_net_stat); - proc_net_remove(&init_net, "ip_conntrack_expect"); - proc_net_remove(&init_net, "ip_conntrack"); + unregister_pernet_subsys(&ip_conntrack_net_ops); } |