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authorYasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp>2007-05-10 14:14:45 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-05-10 23:47:44 -0700
commitba4c7cbadd2c025321809b522c398fc81cd5d75d (patch)
tree04b43083aac575c82912a38578a8cf783919161b
parent3c2ad469c317147fc1de19579f8173ddb68a9e91 (diff)
[NETFILTER]: nf_nat: remove unused argument of function allocating binding
nf_nat_rule_find, alloc_null_binding and alloc_null_binding_confirmed do not use the argument 'info', which is actually ct->nat.info. If they are necessary to access it again, we can use the argument 'ct' instead. Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/net/netfilter/nf_nat_rule.h11
-rw-r--r--net/ipv4/netfilter/nf_nat_rule.c13
-rw-r--r--net/ipv4/netfilter/nf_nat_standalone.c11
3 files changed, 10 insertions, 25 deletions
diff --git a/include/net/netfilter/nf_nat_rule.h b/include/net/netfilter/nf_nat_rule.h
index e76565459ad9..f9743187d57f 100644
--- a/include/net/netfilter/nf_nat_rule.h
+++ b/include/net/netfilter/nf_nat_rule.h
@@ -10,16 +10,11 @@ extern int nf_nat_rule_find(struct sk_buff **pskb,
unsigned int hooknum,
const struct net_device *in,
const struct net_device *out,
- struct nf_conn *ct,
- struct nf_nat_info *info);
+ struct nf_conn *ct);
extern unsigned int
-alloc_null_binding(struct nf_conn *ct,
- struct nf_nat_info *info,
- unsigned int hooknum);
+alloc_null_binding(struct nf_conn *ct, unsigned int hooknum);
extern unsigned int
-alloc_null_binding_confirmed(struct nf_conn *ct,
- struct nf_nat_info *info,
- unsigned int hooknum);
+alloc_null_binding_confirmed(struct nf_conn *ct, unsigned int hooknum);
#endif /* _NF_NAT_RULE_H */
diff --git a/net/ipv4/netfilter/nf_nat_rule.c b/net/ipv4/netfilter/nf_nat_rule.c
index 07e99e309402..6740736c5e79 100644
--- a/net/ipv4/netfilter/nf_nat_rule.c
+++ b/net/ipv4/netfilter/nf_nat_rule.c
@@ -173,9 +173,7 @@ static int ipt_dnat_checkentry(const char *tablename,
}
inline unsigned int
-alloc_null_binding(struct nf_conn *ct,
- struct nf_nat_info *info,
- unsigned int hooknum)
+alloc_null_binding(struct nf_conn *ct, unsigned int hooknum)
{
/* Force range to this IP; let proto decide mapping for
per-proto parts (hence not IP_NAT_RANGE_PROTO_SPECIFIED).
@@ -194,9 +192,7 @@ alloc_null_binding(struct nf_conn *ct,
}
unsigned int
-alloc_null_binding_confirmed(struct nf_conn *ct,
- struct nf_nat_info *info,
- unsigned int hooknum)
+alloc_null_binding_confirmed(struct nf_conn *ct, unsigned int hooknum)
{
__be32 ip
= (HOOK2MANIP(hooknum) == IP_NAT_MANIP_SRC
@@ -218,8 +214,7 @@ int nf_nat_rule_find(struct sk_buff **pskb,
unsigned int hooknum,
const struct net_device *in,
const struct net_device *out,
- struct nf_conn *ct,
- struct nf_nat_info *info)
+ struct nf_conn *ct)
{
int ret;
@@ -228,7 +223,7 @@ int nf_nat_rule_find(struct sk_buff **pskb,
if (ret == NF_ACCEPT) {
if (!nf_nat_initialized(ct, HOOK2MANIP(hooknum)))
/* NUL mapping */
- ret = alloc_null_binding(ct, info, hooknum);
+ ret = alloc_null_binding(ct, hooknum);
}
return ret;
}
diff --git a/net/ipv4/netfilter/nf_nat_standalone.c b/net/ipv4/netfilter/nf_nat_standalone.c
index 64bbed2ba780..55dac36dbc85 100644
--- a/net/ipv4/netfilter/nf_nat_standalone.c
+++ b/net/ipv4/netfilter/nf_nat_standalone.c
@@ -80,7 +80,6 @@ nf_nat_fn(unsigned int hooknum,
struct nf_conn *ct;
enum ip_conntrack_info ctinfo;
struct nf_conn_nat *nat;
- struct nf_nat_info *info;
/* maniptype == SRC for postrouting. */
enum nf_nat_manip_type maniptype = HOOK2MANIP(hooknum);
@@ -129,7 +128,6 @@ nf_nat_fn(unsigned int hooknum,
}
/* Fall thru... (Only ICMPs can be IP_CT_IS_REPLY) */
case IP_CT_NEW:
- info = &nat->info;
/* Seen it before? This can happen for loopback, retrans,
or local packets.. */
@@ -138,14 +136,13 @@ nf_nat_fn(unsigned int hooknum,
if (unlikely(nf_ct_is_confirmed(ct)))
/* NAT module was loaded late */
- ret = alloc_null_binding_confirmed(ct, info,
- hooknum);
+ ret = alloc_null_binding_confirmed(ct, hooknum);
else if (hooknum == NF_IP_LOCAL_IN)
/* LOCAL_IN hook doesn't have a chain! */
- ret = alloc_null_binding(ct, info, hooknum);
+ ret = alloc_null_binding(ct, hooknum);
else
ret = nf_nat_rule_find(pskb, hooknum, in, out,
- ct, info);
+ ct);
if (ret != NF_ACCEPT) {
return ret;
@@ -160,10 +157,8 @@ nf_nat_fn(unsigned int hooknum,
/* ESTABLISHED */
NF_CT_ASSERT(ctinfo == IP_CT_ESTABLISHED ||
ctinfo == (IP_CT_ESTABLISHED+IP_CT_IS_REPLY));
- info = &nat->info;
}
- NF_CT_ASSERT(info);
return nf_nat_packet(ct, ctinfo, hooknum, pskb);
}