diff options
| -rw-r--r-- | include/net/netfilter/nf_conntrack.h | 2 | ||||
| -rw-r--r-- | net/ipv4/netfilter/nf_conntrack_proto_icmp.c | 5 | ||||
| -rw-r--r-- | net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c | 5 | ||||
| -rw-r--r-- | net/netfilter/nf_conntrack_core.c | 7 | ||||
| -rw-r--r-- | net/netfilter/nf_conntrack_netlink.c | 3 | ||||
| -rw-r--r-- | net/netfilter/nf_conntrack_proto_dccp.c | 3 | ||||
| -rw-r--r-- | net/netfilter/nf_conntrack_proto_tcp.c | 9 |
7 files changed, 18 insertions, 16 deletions
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h index 2dbd6c015b94..fc19ab23eeaa 100644 --- a/include/net/netfilter/nf_conntrack.h +++ b/include/net/netfilter/nf_conntrack.h @@ -223,6 +223,8 @@ static inline void nf_ct_refresh(struct nf_conn *ct, __nf_ct_refresh_acct(ct, 0, skb, extra_jiffies, 0); } +extern void nf_ct_kill(struct nf_conn *ct); + /* These are for NAT. Icky. */ /* Update TCP window tracking data when NAT mangles the packet */ extern void nf_conntrack_tcp_update(const struct sk_buff *skb, diff --git a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c index 78ab19accace..0e21a46184fb 100644 --- a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c +++ b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c @@ -87,9 +87,8 @@ static int icmp_packet(struct nf_conn *ct, means this will only run once even if count hits zero twice (theoretically possible with SMP) */ if (CTINFO2DIR(ctinfo) == IP_CT_DIR_REPLY) { - if (atomic_dec_and_test(&ct->proto.icmp.count) - && del_timer(&ct->timeout)) - ct->timeout.function((unsigned long)ct); + if (atomic_dec_and_test(&ct->proto.icmp.count)) + nf_ct_kill(ct); } else { atomic_inc(&ct->proto.icmp.count); nf_conntrack_event_cache(IPCT_PROTOINFO_VOLATILE, skb); diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c index ee713b03e9ec..fe081b90e05e 100644 --- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c +++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c @@ -89,9 +89,8 @@ static int icmpv6_packet(struct nf_conn *ct, means this will only run once even if count hits zero twice (theoretically possible with SMP) */ if (CTINFO2DIR(ctinfo) == IP_CT_DIR_REPLY) { - if (atomic_dec_and_test(&ct->proto.icmp.count) - && del_timer(&ct->timeout)) - ct->timeout.function((unsigned long)ct); + if (atomic_dec_and_test(&ct->proto.icmp.count)) + nf_ct_kill(ct); } else { atomic_inc(&ct->proto.icmp.count); nf_conntrack_event_cache(IPCT_PROTOINFO_VOLATILE, skb); diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index c4b1799da5d7..79b07c35eb87 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -848,6 +848,13 @@ acct: } EXPORT_SYMBOL_GPL(__nf_ct_refresh_acct); +void nf_ct_kill(struct nf_conn *ct) +{ + if (del_timer(&ct->timeout)) + ct->timeout.function((unsigned long)ct); +} +EXPORT_SYMBOL_GPL(nf_ct_kill); + #if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE) #include <linux/netfilter/nfnetlink.h> diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index 13918c1fbf66..ab655f660dfa 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -812,9 +812,8 @@ ctnetlink_del_conntrack(struct sock *ctnl, struct sk_buff *skb, return -ENOENT; } } - if (del_timer(&ct->timeout)) - ct->timeout.function((unsigned long)ct); + nf_ct_kill(ct); nf_ct_put(ct); return 0; diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c index afb4a1861d2c..223742f371f9 100644 --- a/net/netfilter/nf_conntrack_proto_dccp.c +++ b/net/netfilter/nf_conntrack_proto_dccp.c @@ -475,8 +475,7 @@ static int dccp_packet(struct nf_conn *ct, const struct sk_buff *skb, if (type == DCCP_PKT_RESET && !test_bit(IPS_SEEN_REPLY_BIT, &ct->status)) { /* Tear down connection immediately if only reply is a RESET */ - if (del_timer(&ct->timeout)) - ct->timeout.function((unsigned long)ct); + nf_ct_kill(ct); return NF_ACCEPT; } diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c index ba94004fe323..c4aa11e01405 100644 --- a/net/netfilter/nf_conntrack_proto_tcp.c +++ b/net/netfilter/nf_conntrack_proto_tcp.c @@ -843,8 +843,7 @@ static int tcp_packet(struct nf_conn *ct, /* Attempt to reopen a closed/aborted connection. * Delete this connection and look up again. */ write_unlock_bh(&tcp_lock); - if (del_timer(&ct->timeout)) - ct->timeout.function((unsigned long)ct); + nf_ct_kill(ct); return -NF_REPEAT; } /* Fall through */ @@ -877,8 +876,7 @@ static int tcp_packet(struct nf_conn *ct, if (LOG_INVALID(IPPROTO_TCP)) nf_log_packet(pf, 0, skb, NULL, NULL, NULL, "nf_ct_tcp: killing out of sync session "); - if (del_timer(&ct->timeout)) - ct->timeout.function((unsigned long)ct); + nf_ct_kill(ct); return -NF_DROP; } ct->proto.tcp.last_index = index; @@ -961,8 +959,7 @@ static int tcp_packet(struct nf_conn *ct, problem case, so we can delete the conntrack immediately. --RR */ if (th->rst) { - if (del_timer(&ct->timeout)) - ct->timeout.function((unsigned long)ct); + nf_ct_kill(ct); return NF_ACCEPT; } } else if (!test_bit(IPS_ASSURED_BIT, &ct->status) |