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path: root/net/netfilter/nf_conntrack_core.c
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Diffstat (limited to 'net/netfilter/nf_conntrack_core.c')
-rw-r--r--net/netfilter/nf_conntrack_core.c28
1 files changed, 13 insertions, 15 deletions
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index cbdb754dbb10..ac3af97cc468 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -683,10 +683,7 @@ __nf_conntrack_alloc(struct net *net, u16 zone,
unlikely(atomic_read(&net->ct.count) > nf_conntrack_max)) {
if (!early_drop(net, hash_bucket(hash, net))) {
atomic_dec(&net->ct.count);
- if (net_ratelimit())
- printk(KERN_WARNING
- "nf_conntrack: table full, dropping"
- " packet.\n");
+ net_warn_ratelimited("nf_conntrack: table full, dropping packet\n");
return ERR_PTR(-ENOMEM);
}
}
@@ -735,6 +732,7 @@ __nf_conntrack_alloc(struct net *net, u16 zone,
#ifdef CONFIG_NF_CONNTRACK_ZONES
out_free:
+ atomic_dec(&net->ct.count);
kmem_cache_free(net->ct.nf_conntrack_cachep, ct);
return ERR_PTR(-ENOMEM);
#endif
@@ -1151,8 +1149,9 @@ static struct nf_ct_ext_type nf_ct_zone_extend __read_mostly = {
int nf_ct_port_tuple_to_nlattr(struct sk_buff *skb,
const struct nf_conntrack_tuple *tuple)
{
- NLA_PUT_BE16(skb, CTA_PROTO_SRC_PORT, tuple->src.u.tcp.port);
- NLA_PUT_BE16(skb, CTA_PROTO_DST_PORT, tuple->dst.u.tcp.port);
+ if (nla_put_be16(skb, CTA_PROTO_SRC_PORT, tuple->src.u.tcp.port) ||
+ nla_put_be16(skb, CTA_PROTO_DST_PORT, tuple->dst.u.tcp.port))
+ goto nla_put_failure;
return 0;
nla_put_failure:
@@ -1334,7 +1333,6 @@ static void nf_conntrack_cleanup_init_net(void)
while (untrack_refs() > 0)
schedule();
- nf_conntrack_helper_fini();
nf_conntrack_proto_fini();
#ifdef CONFIG_NF_CONNTRACK_ZONES
nf_ct_extend_unregister(&nf_ct_zone_extend);
@@ -1352,6 +1350,7 @@ static void nf_conntrack_cleanup_net(struct net *net)
}
nf_ct_free_hashtable(net->ct.hash, net->ct.htable_size);
+ nf_conntrack_helper_fini(net);
nf_conntrack_timeout_fini(net);
nf_conntrack_ecache_fini(net);
nf_conntrack_tstamp_fini(net);
@@ -1502,10 +1501,6 @@ static int nf_conntrack_init_init_net(void)
if (ret < 0)
goto err_proto;
- ret = nf_conntrack_helper_init();
- if (ret < 0)
- goto err_helper;
-
#ifdef CONFIG_NF_CONNTRACK_ZONES
ret = nf_ct_extend_register(&nf_ct_zone_extend);
if (ret < 0)
@@ -1523,10 +1518,8 @@ static int nf_conntrack_init_init_net(void)
#ifdef CONFIG_NF_CONNTRACK_ZONES
err_extend:
- nf_conntrack_helper_fini();
-#endif
-err_helper:
nf_conntrack_proto_fini();
+#endif
err_proto:
return ret;
}
@@ -1587,11 +1580,16 @@ static int nf_conntrack_init_net(struct net *net)
ret = nf_conntrack_timeout_init(net);
if (ret < 0)
goto err_timeout;
+ ret = nf_conntrack_helper_init(net);
+ if (ret < 0)
+ goto err_helper;
return 0;
-err_timeout:
+err_helper:
nf_conntrack_timeout_fini(net);
+err_timeout:
+ nf_conntrack_ecache_fini(net);
err_ecache:
nf_conntrack_tstamp_fini(net);
err_tstamp: