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authorDavid S. Miller <davem@davemloft.net>2012-02-26 21:55:51 -0500
committerDavid S. Miller <davem@davemloft.net>2012-02-26 21:55:51 -0500
commitff4783ce78c08d2990126ce1874250ae8e72bbd2 (patch)
tree5c95885a4ab768101dd72942b57c238d452a7565 /net/netfilter/nf_conntrack_netlink.c
parent622121719934f60378279eb440d3cec2fc3176d2 (diff)
parent203738e548cefc3fc3c2f73a9063176c9f3583d5 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/ethernet/sfc/rx.c Overlapping changes in drivers/net/ethernet/sfc/rx.c, one to change the rx_buf->is_page boolean into a set of u16 flags, and another to adjust how ->ip_summed is initialized. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/netfilter/nf_conntrack_netlink.c')
-rw-r--r--net/netfilter/nf_conntrack_netlink.c46
1 files changed, 16 insertions, 30 deletions
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 28d0312d890..04fb409623d 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -1404,15 +1404,12 @@ ctnetlink_create_conntrack(struct net *net, u16 zone,
nf_ct_protonum(ct));
if (helper == NULL) {
rcu_read_unlock();
- spin_unlock_bh(&nf_conntrack_lock);
#ifdef CONFIG_MODULES
if (request_module("nfct-helper-%s", helpname) < 0) {
- spin_lock_bh(&nf_conntrack_lock);
err = -EOPNOTSUPP;
goto err1;
}
- spin_lock_bh(&nf_conntrack_lock);
rcu_read_lock();
helper = __nf_conntrack_helper_find(helpname,
nf_ct_l3num(ct),
@@ -1505,8 +1502,10 @@ ctnetlink_create_conntrack(struct net *net, u16 zone,
if (tstamp)
tstamp->start = ktime_to_ns(ktime_get_real());
- add_timer(&ct->timeout);
- nf_conntrack_hash_insert(ct);
+ err = nf_conntrack_hash_check_insert(ct);
+ if (err < 0)
+ goto err2;
+
rcu_read_unlock();
return ct;
@@ -1527,6 +1526,7 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
struct nf_conntrack_tuple otuple, rtuple;
struct nf_conntrack_tuple_hash *h = NULL;
struct nfgenmsg *nfmsg = nlmsg_data(nlh);
+ struct nf_conn *ct;
u_int8_t u3 = nfmsg->nfgen_family;
u16 zone;
int err;
@@ -1547,27 +1547,22 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
return err;
}
- spin_lock_bh(&nf_conntrack_lock);
if (cda[CTA_TUPLE_ORIG])
- h = __nf_conntrack_find(net, zone, &otuple);
+ h = nf_conntrack_find_get(net, zone, &otuple);
else if (cda[CTA_TUPLE_REPLY])
- h = __nf_conntrack_find(net, zone, &rtuple);
+ h = nf_conntrack_find_get(net, zone, &rtuple);
if (h == NULL) {
err = -ENOENT;
if (nlh->nlmsg_flags & NLM_F_CREATE) {
- struct nf_conn *ct;
enum ip_conntrack_events events;
ct = ctnetlink_create_conntrack(net, zone, cda, &otuple,
&rtuple, u3);
- if (IS_ERR(ct)) {
- err = PTR_ERR(ct);
- goto out_unlock;
- }
+ if (IS_ERR(ct))
+ return PTR_ERR(ct);
+
err = 0;
- nf_conntrack_get(&ct->ct_general);
- spin_unlock_bh(&nf_conntrack_lock);
if (test_bit(IPS_EXPECTED_BIT, &ct->status))
events = IPCT_RELATED;
else
@@ -1582,23 +1577,19 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
ct, NETLINK_CB(skb).pid,
nlmsg_report(nlh));
nf_ct_put(ct);
- } else
- spin_unlock_bh(&nf_conntrack_lock);
+ }
return err;
}
/* implicit 'else' */
- /* We manipulate the conntrack inside the global conntrack table lock,
- * so there's no need to increase the refcount */
err = -EEXIST;
+ ct = nf_ct_tuplehash_to_ctrack(h);
if (!(nlh->nlmsg_flags & NLM_F_EXCL)) {
- struct nf_conn *ct = nf_ct_tuplehash_to_ctrack(h);
-
+ spin_lock_bh(&nf_conntrack_lock);
err = ctnetlink_change_conntrack(ct, cda);
+ spin_unlock_bh(&nf_conntrack_lock);
if (err == 0) {
- nf_conntrack_get(&ct->ct_general);
- spin_unlock_bh(&nf_conntrack_lock);
nf_conntrack_eventmask_report((1 << IPCT_REPLY) |
(1 << IPCT_ASSURED) |
(1 << IPCT_HELPER) |
@@ -1607,15 +1598,10 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
(1 << IPCT_MARK),
ct, NETLINK_CB(skb).pid,
nlmsg_report(nlh));
- nf_ct_put(ct);
- } else
- spin_unlock_bh(&nf_conntrack_lock);
-
- return err;
+ }
}
-out_unlock:
- spin_unlock_bh(&nf_conntrack_lock);
+ nf_ct_put(ct);
return err;
}