diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/netfilter/nfnetlink_queue.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c index c1f6df4cfe88..1d3936587ace 100644 --- a/net/netfilter/nfnetlink_queue.c +++ b/net/netfilter/nfnetlink_queue.c @@ -1147,6 +1147,17 @@ static int nfqnl_recv_config(struct net *net, struct sock *ctnl, if (flags & mask & NFQA_CFG_F_SECCTX) return -EOPNOTSUPP; #endif + if ((flags & mask & NFQA_CFG_F_CONNTRACK) && + !rcu_access_pointer(nfnl_ct_hook)) { +#ifdef CONFIG_MODULES + nfnl_unlock(NFNL_SUBSYS_QUEUE); + request_module("ip_conntrack_netlink"); + nfnl_lock(NFNL_SUBSYS_QUEUE); + if (rcu_access_pointer(nfnl_ct_hook)) + return -EAGAIN; +#endif + return -EOPNOTSUPP; + } } rcu_read_lock(); |