diff options
Diffstat (limited to 'net/netfilter/nfnetlink_queue.c')
| -rw-r--r-- | net/netfilter/nfnetlink_queue.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c index f49f45081acb..af832c526048 100644 --- a/net/netfilter/nfnetlink_queue.c +++ b/net/netfilter/nfnetlink_queue.c @@ -740,7 +740,7 @@ nfqnl_enqueue_packet(struct nf_queue_entry *entry, unsigned int queuenum) struct net *net = entry->state.net; struct nfnl_queue_net *q = nfnl_queue_pernet(net); - /* rcu_read_lock()ed by nf_hook_slow() */ + /* rcu_read_lock()ed by nf_hook_thresh */ queue = instance_lookup(q, queuenum); if (!queue) return -ESRCH; @@ -917,12 +917,14 @@ static struct notifier_block nfqnl_dev_notifier = { .notifier_call = nfqnl_rcv_dev_event, }; -static int nf_hook_cmp(struct nf_queue_entry *entry, unsigned long ops_ptr) +static int nf_hook_cmp(struct nf_queue_entry *entry, unsigned long entry_ptr) { - return entry->elem == (struct nf_hook_ops *)ops_ptr; + return rcu_access_pointer(entry->state.hook_entries) == + (struct nf_hook_entry *)entry_ptr; } -static void nfqnl_nf_hook_drop(struct net *net, struct nf_hook_ops *hook) +static void nfqnl_nf_hook_drop(struct net *net, + const struct nf_hook_entry *hook) { struct nfnl_queue_net *q = nfnl_queue_pernet(net); int i; @@ -1522,9 +1524,16 @@ static int __init nfnetlink_queue_init(void) goto cleanup_netlink_notifier; } - register_netdevice_notifier(&nfqnl_dev_notifier); + status = register_netdevice_notifier(&nfqnl_dev_notifier); + if (status < 0) { + pr_err("nf_queue: failed to register netdevice notifier\n"); + goto cleanup_netlink_subsys; + } + return status; +cleanup_netlink_subsys: + nfnetlink_subsys_unregister(&nfqnl_subsys); cleanup_netlink_notifier: netlink_unregister_notifier(&nfqnl_rtnl_notifier); unregister_pernet_subsys(&nfnl_queue_net_ops); |