diff options
| author | Pablo Neira <pablo@eurodev.net> | 2005-08-10 07:02:55 +0400 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2005-08-30 02:39:05 +0400 |
| commit | 88aa0429048d08c18f2772782588f953bbbd79be (patch) | |
| tree | b8f6cebd9e682882394b92e7e737436b3648e1d7 /net/ipv4 | |
| parent | 94cd2b67641e7ddc2e6ed71d76e00116957423db (diff) | |
| download | linux-88aa0429048d08c18f2772782588f953bbbd79be.tar.xz | |
[NETFILTER]: conntrack_netlink: Fix locking during conntrack_create
The current codepath allowed for ip_conntrack_lock to be unlock'ed twice.
Signed-off-by: Pablo Neira <pablo@eurodev.net>
Signed-off-by: Harald Welte <laforge@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/netfilter/ip_conntrack_netlink.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/net/ipv4/netfilter/ip_conntrack_netlink.c b/net/ipv4/netfilter/ip_conntrack_netlink.c index 36a046f22105..0ab2d7df6bc4 100644 --- a/net/ipv4/netfilter/ip_conntrack_netlink.c +++ b/net/ipv4/netfilter/ip_conntrack_netlink.c @@ -1052,13 +1052,14 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb, err = -ENOENT; if (nlh->nlmsg_flags & NLM_F_CREATE) err = ctnetlink_create_conntrack(cda, &otuple, &rtuple); + return err; + } + /* implicit 'else' */ + + /* we only allow nat config for new conntracks */ + if (cda[CTA_NAT-1]) { + err = -EINVAL; goto out_unlock; - } else { - /* we only allow nat config for new conntracks */ - if (cda[CTA_NAT-1]) { - err = -EINVAL; - goto out_unlock; - } } /* We manipulate the conntrack inside the global conntrack table lock, |