diff options
| -rw-r--r-- | include/net/netfilter/nf_nat_rule.h | 3 | ||||
| -rw-r--r-- | net/ipv4/netfilter/nf_nat_rule.c | 19 | ||||
| -rw-r--r-- | net/ipv4/netfilter/nf_nat_standalone.c | 8 |
3 files changed, 4 insertions, 26 deletions
diff --git a/include/net/netfilter/nf_nat_rule.h b/include/net/netfilter/nf_nat_rule.h index 75d1825031d..e4a18ae361c 100644 --- a/include/net/netfilter/nf_nat_rule.h +++ b/include/net/netfilter/nf_nat_rule.h @@ -14,7 +14,4 @@ extern int nf_nat_rule_find(struct sk_buff *skb, extern unsigned int alloc_null_binding(struct nf_conn *ct, unsigned int hooknum); - -extern unsigned int -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 ebe0c7903ae..e8b4d0d4439 100644 --- a/net/ipv4/netfilter/nf_nat_rule.c +++ b/net/ipv4/netfilter/nf_nat_rule.c @@ -188,25 +188,6 @@ alloc_null_binding(struct nf_conn *ct, unsigned int hooknum) return nf_nat_setup_info(ct, &range, HOOK2MANIP(hooknum)); } -unsigned int -alloc_null_binding_confirmed(struct nf_conn *ct, unsigned int hooknum) -{ - __be32 ip - = (HOOK2MANIP(hooknum) == IP_NAT_MANIP_SRC - ? ct->tuplehash[IP_CT_DIR_REPLY].tuple.dst.u3.ip - : ct->tuplehash[IP_CT_DIR_REPLY].tuple.src.u3.ip); - __be16 all - = (HOOK2MANIP(hooknum) == IP_NAT_MANIP_SRC - ? ct->tuplehash[IP_CT_DIR_REPLY].tuple.dst.u.all - : ct->tuplehash[IP_CT_DIR_REPLY].tuple.src.u.all); - struct nf_nat_range range - = { IP_NAT_RANGE_MAP_IPS, ip, ip, { all }, { all } }; - - pr_debug("Allocating NULL binding for confirmed %p (%u.%u.%u.%u)\n", - ct, NIPQUAD(ip)); - return nf_nat_setup_info(ct, &range, HOOK2MANIP(hooknum)); -} - int nf_nat_rule_find(struct sk_buff *skb, unsigned int hooknum, const struct net_device *in, diff --git a/net/ipv4/netfilter/nf_nat_standalone.c b/net/ipv4/netfilter/nf_nat_standalone.c index c362f672755..a366b5865b9 100644 --- a/net/ipv4/netfilter/nf_nat_standalone.c +++ b/net/ipv4/netfilter/nf_nat_standalone.c @@ -102,6 +102,9 @@ nf_nat_fn(unsigned int hooknum, nat = nfct_nat(ct); if (!nat) { + /* NAT module was loaded late. */ + if (nf_ct_is_confirmed(ct)) + return NF_ACCEPT; nat = nf_ct_ext_add(ct, NF_CT_EXT_NAT, GFP_ATOMIC); if (nat == NULL) { pr_debug("failed to add NAT extension\n"); @@ -127,10 +130,7 @@ nf_nat_fn(unsigned int hooknum, if (!nf_nat_initialized(ct, maniptype)) { unsigned int ret; - if (unlikely(nf_ct_is_confirmed(ct))) - /* NAT module was loaded late */ - ret = alloc_null_binding_confirmed(ct, hooknum); - else if (hooknum == NF_INET_LOCAL_IN) + if (hooknum == NF_INET_LOCAL_IN) /* LOCAL_IN hook doesn't have a chain! */ ret = alloc_null_binding(ct, hooknum); else |