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netfilter: nfnetlink_log: autoload nf_conntrack_netlink module NFQA_CFG_F_CONNTRACK config flag 

This patch enables to load nf_conntrack_netlink module if
NFULNL_CFG_F_CONNTRACK config flag is specified.

Signed-off-by: Ken-ichirou MATSUZAWA <chamas@h4.dion.ne.jp>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Ken-ichirou MATSUZAWA 2015-10-07 13:25:50 +09:00 committed by Pablo Neira Ayuso
parent c932245811
commit 914eebf2f4
1 changed files with 10 additions and 1 deletions
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11
net/netfilter/nfnetlink_log.c
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@ -927,7 +927,16 @@ nfulnl_recv_config(struct sock *ctnl, struct sk_buff *skb,
}
if (flags & NFULNL_CFG_F_CONNTRACK &&
rcu_access_pointer(nfnl_ct_hook) == NULL) {
!rcu_access_pointer(nfnl_ct_hook)) {
#ifdef CONFIG_MODULES
nfnl_unlock(NFNL_SUBSYS_ULOG);
request_module("ip_conntrack_netlink");
nfnl_lock(NFNL_SUBSYS_ULOG);
if (rcu_access_pointer(nfnl_ct_hook)) {
ret = -EAGAIN;
goto out;
}
#endif
ret = -EOPNOTSUPP;
goto out;
}