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-rw-r--r--net/ipv6/ip6_flowlabel.c39
1 files changed, 23 insertions, 16 deletions
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index 78d1d913e36c..eb7a940310f4 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -611,6 +611,7 @@ done:
611#ifdef CONFIG_PROC_FS 611#ifdef CONFIG_PROC_FS
612 612
613struct ip6fl_iter_state { 613struct ip6fl_iter_state {
614 struct seq_net_private p;
614 int bucket; 615 int bucket;
615}; 616};
616 617
@@ -620,12 +621,15 @@ static struct ip6_flowlabel *ip6fl_get_first(struct seq_file *seq)
620{ 621{
621 struct ip6_flowlabel *fl = NULL; 622 struct ip6_flowlabel *fl = NULL;
622 struct ip6fl_iter_state *state = ip6fl_seq_private(seq); 623 struct ip6fl_iter_state *state = ip6fl_seq_private(seq);
624 struct net *net = seq_file_net(seq);
623 625
624 for (state->bucket = 0; state->bucket <= FL_HASH_MASK; ++state->bucket) { 626 for (state->bucket = 0; state->bucket <= FL_HASH_MASK; ++state->bucket) {
625 if (fl_ht[state->bucket]) { 627 fl = fl_ht[state->bucket];
626 fl = fl_ht[state->bucket]; 628
629 while (fl && fl->fl_net != net)
630 fl = fl->next;
631 if (fl)
627 break; 632 break;
628 }
629 } 633 }
630 return fl; 634 return fl;
631} 635}
@@ -633,12 +637,18 @@ static struct ip6_flowlabel *ip6fl_get_first(struct seq_file *seq)
633static struct ip6_flowlabel *ip6fl_get_next(struct seq_file *seq, struct ip6_flowlabel *fl) 637static struct ip6_flowlabel *ip6fl_get_next(struct seq_file *seq, struct ip6_flowlabel *fl)
634{ 638{
635 struct ip6fl_iter_state *state = ip6fl_seq_private(seq); 639 struct ip6fl_iter_state *state = ip6fl_seq_private(seq);
640 struct net *net = seq_file_net(seq);
636 641
637 fl = fl->next; 642 fl = fl->next;
643try_again:
644 while (fl && fl->fl_net != net)
645 fl = fl->next;
646
638 while (!fl) { 647 while (!fl) {
639 if (++state->bucket <= FL_HASH_MASK) 648 if (++state->bucket <= FL_HASH_MASK) {
640 fl = fl_ht[state->bucket]; 649 fl = fl_ht[state->bucket];
641 else 650 goto try_again;
651 } else
642 break; 652 break;
643 } 653 }
644 return fl; 654 return fl;
@@ -708,8 +718,8 @@ static const struct seq_operations ip6fl_seq_ops = {
708 718
709static int ip6fl_seq_open(struct inode *inode, struct file *file) 719static int ip6fl_seq_open(struct inode *inode, struct file *file)
710{ 720{
711 return seq_open_private(file, &ip6fl_seq_ops, 721 return seq_open_net(inode, file, &ip6fl_seq_ops,
712 sizeof(struct ip6fl_iter_state)); 722 sizeof(struct ip6fl_iter_state));
713} 723}
714 724
715static const struct file_operations ip6fl_seq_fops = { 725static const struct file_operations ip6fl_seq_fops = {
@@ -717,12 +727,13 @@ static const struct file_operations ip6fl_seq_fops = {
717 .open = ip6fl_seq_open, 727 .open = ip6fl_seq_open,
718 .read = seq_read, 728 .read = seq_read,
719 .llseek = seq_lseek, 729 .llseek = seq_lseek,
720 .release = seq_release_private, 730 .release = seq_release_net,
721}; 731};
722 732
723static int ip6_flowlabel_proc_init(struct net *net) 733static int ip6_flowlabel_proc_init(struct net *net)
724{ 734{
725 if (!proc_net_fops_create(net, "ip6_flowlabel", S_IRUGO, &ip6fl_seq_fops)) 735 if (!proc_net_fops_create(net, "ip6_flowlabel",
736 S_IRUGO, &ip6fl_seq_fops))
726 return -ENOMEM; 737 return -ENOMEM;
727 return 0; 738 return 0;
728} 739}
@@ -745,25 +756,21 @@ static inline void ip6_flowlabel_proc_fini(struct net *net)
745static inline void ip6_flowlabel_net_exit(struct net *net) 756static inline void ip6_flowlabel_net_exit(struct net *net)
746{ 757{
747 ip6_fl_purge(net); 758 ip6_fl_purge(net);
759 ip6_flowlabel_proc_fini(net);
748} 760}
749 761
750static struct pernet_operations ip6_flowlabel_net_ops = { 762static struct pernet_operations ip6_flowlabel_net_ops = {
763 .init = ip6_flowlabel_proc_init,
751 .exit = ip6_flowlabel_net_exit, 764 .exit = ip6_flowlabel_net_exit,
752}; 765};
753 766
754int ip6_flowlabel_init(void) 767int ip6_flowlabel_init(void)
755{ 768{
756 int err; 769 return register_pernet_subsys(&ip6_flowlabel_net_ops);
757
758 err = register_pernet_subsys(&ip6_flowlabel_net_ops);
759 if (err)
760 return err;
761 return ip6_flowlabel_proc_init(&init_net);
762} 770}
763 771
764void ip6_flowlabel_cleanup(void) 772void ip6_flowlabel_cleanup(void)
765{ 773{
766 del_timer(&ip6_fl_gc_timer); 774 del_timer(&ip6_fl_gc_timer);
767 unregister_pernet_subsys(&ip6_flowlabel_net_ops); 775 unregister_pernet_subsys(&ip6_flowlabel_net_ops);
768 ip6_flowlabel_proc_fini(&init_net);
769} 776}