diff options
| author | Patrick McHardy <kaber@trash.net> | 2008-06-09 15:59:06 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-06-09 15:59:06 -0700 |
| commit | 51091764f26ec36c02e35166f083193a30f426fc (patch) | |
| tree | b7103b8d892d4c4b2138437406e2e4be1be13b16 /net/netfilter | |
| parent | 31d8519c9cf87e9d8a0cc5b9734fda02af66d7e2 (diff) | |
netfilter: nf_conntrack: add nf_ct_kill()
Encapsulate the common
if (del_timer(&ct->timeout))
ct->timeout.function((unsigned long)ct)
sequence in a new function.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/netfilter')
| -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 |
4 files changed, 12 insertions, 10 deletions
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index c4b1799da5d..79b07c35eb8 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 13918c1fbf6..ab655f660df 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 afb4a1861d2..223742f371f 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 ba94004fe32..c4aa11e0140 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) |