netfilter: nf_conntrack: remove dead code

The following code is not used in current upstream code.
Some of this seems to be old hooks, other might be used by some
out of tree module (which I don't care about breaking), and
the need_ipv4_conntrack was used by old NAT code but no longer
called.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
stephen hemminger 2013-12-30 17:16:08 -08:00 committed by Pablo Neira Ayuso
parent 02eca9d2cc
commit dcd93ed4cd
5 changed files with 0 additions and 30 deletions

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@ -19,6 +19,4 @@ extern struct nf_conntrack_l4proto nf_conntrack_l4proto_icmp;
int nf_conntrack_ipv4_compat_init(void);
void nf_conntrack_ipv4_compat_fini(void);
void need_ipv4_conntrack(void);
#endif /*_NF_CONNTRACK_IPV4_H*/

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@ -87,7 +87,6 @@ int nf_ct_l3proto_register(struct nf_conntrack_l3proto *proto);
void nf_ct_l3proto_unregister(struct nf_conntrack_l3proto *proto);
struct nf_conntrack_l3proto *nf_ct_l3proto_find_get(u_int16_t l3proto);
void nf_ct_l3proto_put(struct nf_conntrack_l3proto *p);
/* Existing built-in protocols */
extern struct nf_conntrack_l3proto nf_conntrack_l3proto_generic;

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@ -548,9 +548,3 @@ static void __exit nf_conntrack_l3proto_ipv4_fini(void)
module_init(nf_conntrack_l3proto_ipv4_init);
module_exit(nf_conntrack_l3proto_ipv4_fini);
void need_ipv4_conntrack(void)
{
return;
}
EXPORT_SYMBOL_GPL(need_ipv4_conntrack);

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@ -60,12 +60,6 @@ int (*nfnetlink_parse_nat_setup_hook)(struct nf_conn *ct,
const struct nlattr *attr) __read_mostly;
EXPORT_SYMBOL_GPL(nfnetlink_parse_nat_setup_hook);
int (*nf_nat_seq_adjust_hook)(struct sk_buff *skb,
struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned int protoff);
EXPORT_SYMBOL_GPL(nf_nat_seq_adjust_hook);
DEFINE_SPINLOCK(nf_conntrack_lock);
EXPORT_SYMBOL_GPL(nf_conntrack_lock);
@ -361,15 +355,6 @@ begin:
return NULL;
}
struct nf_conntrack_tuple_hash *
__nf_conntrack_find(struct net *net, u16 zone,
const struct nf_conntrack_tuple *tuple)
{
return ____nf_conntrack_find(net, zone, tuple,
hash_conntrack_raw(tuple, zone));
}
EXPORT_SYMBOL_GPL(__nf_conntrack_find);
/* Find a connection corresponding to a tuple. */
static struct nf_conntrack_tuple_hash *
__nf_conntrack_find_get(struct net *net, u16 zone,

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@ -92,12 +92,6 @@ nf_ct_l3proto_find_get(u_int16_t l3proto)
}
EXPORT_SYMBOL_GPL(nf_ct_l3proto_find_get);
void nf_ct_l3proto_put(struct nf_conntrack_l3proto *p)
{
module_put(p->me);
}
EXPORT_SYMBOL_GPL(nf_ct_l3proto_put);
int
nf_ct_l3proto_try_module_get(unsigned short l3proto)
{