diff options
| -rw-r--r-- | net/ipv6/ip6_flowlabel.c | 39 |
1 files changed, 23 insertions, 16 deletions
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c index 78d1d913e36..eb7a940310f 100644 --- a/net/ipv6/ip6_flowlabel.c +++ b/net/ipv6/ip6_flowlabel.c @@ -611,6 +611,7 @@ done: #ifdef CONFIG_PROC_FS struct ip6fl_iter_state { + struct seq_net_private p; int bucket; }; @@ -620,12 +621,15 @@ static struct ip6_flowlabel *ip6fl_get_first(struct seq_file *seq) { struct ip6_flowlabel *fl = NULL; struct ip6fl_iter_state *state = ip6fl_seq_private(seq); + struct net *net = seq_file_net(seq); for (state->bucket = 0; state->bucket <= FL_HASH_MASK; ++state->bucket) { - if (fl_ht[state->bucket]) { - fl = fl_ht[state->bucket]; + fl = fl_ht[state->bucket]; + + while (fl && fl->fl_net != net) + fl = fl->next; + if (fl) break; - } } return fl; } @@ -633,12 +637,18 @@ static struct ip6_flowlabel *ip6fl_get_first(struct seq_file *seq) static struct ip6_flowlabel *ip6fl_get_next(struct seq_file *seq, struct ip6_flowlabel *fl) { struct ip6fl_iter_state *state = ip6fl_seq_private(seq); + struct net *net = seq_file_net(seq); fl = fl->next; +try_again: + while (fl && fl->fl_net != net) + fl = fl->next; + while (!fl) { - if (++state->bucket <= FL_HASH_MASK) + if (++state->bucket <= FL_HASH_MASK) { fl = fl_ht[state->bucket]; - else + goto try_again; + } else break; } return fl; @@ -708,8 +718,8 @@ static const struct seq_operations ip6fl_seq_ops = { static int ip6fl_seq_open(struct inode *inode, struct file *file) { - return seq_open_private(file, &ip6fl_seq_ops, - sizeof(struct ip6fl_iter_state)); + return seq_open_net(inode, file, &ip6fl_seq_ops, + sizeof(struct ip6fl_iter_state)); } static const struct file_operations ip6fl_seq_fops = { @@ -717,12 +727,13 @@ static const struct file_operations ip6fl_seq_fops = { .open = ip6fl_seq_open, .read = seq_read, .llseek = seq_lseek, - .release = seq_release_private, + .release = seq_release_net, }; static int ip6_flowlabel_proc_init(struct net *net) { - if (!proc_net_fops_create(net, "ip6_flowlabel", S_IRUGO, &ip6fl_seq_fops)) + if (!proc_net_fops_create(net, "ip6_flowlabel", + S_IRUGO, &ip6fl_seq_fops)) return -ENOMEM; return 0; } @@ -745,25 +756,21 @@ static inline void ip6_flowlabel_proc_fini(struct net *net) static inline void ip6_flowlabel_net_exit(struct net *net) { ip6_fl_purge(net); + ip6_flowlabel_proc_fini(net); } static struct pernet_operations ip6_flowlabel_net_ops = { + .init = ip6_flowlabel_proc_init, .exit = ip6_flowlabel_net_exit, }; int ip6_flowlabel_init(void) { - int err; - - err = register_pernet_subsys(&ip6_flowlabel_net_ops); - if (err) - return err; - return ip6_flowlabel_proc_init(&init_net); + return register_pernet_subsys(&ip6_flowlabel_net_ops); } void ip6_flowlabel_cleanup(void) { del_timer(&ip6_fl_gc_timer); unregister_pernet_subsys(&ip6_flowlabel_net_ops); - ip6_flowlabel_proc_fini(&init_net); } |