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-rw-r--r--net/ipv4/netfilter/ipt_MASQUERADE.c12
1 files changed, 1 insertions, 11 deletions
diff --git a/net/ipv4/netfilter/ipt_MASQUERADE.c b/net/ipv4/netfilter/ipt_MASQUERADE.c
index f389f60cb10..855505d480d 100644
--- a/net/ipv4/netfilter/ipt_MASQUERADE.c
+++ b/net/ipv4/netfilter/ipt_MASQUERADE.c
@@ -27,9 +27,6 @@ MODULE_LICENSE("GPL");
MODULE_AUTHOR("Netfilter Core Team <coreteam@netfilter.org>");
MODULE_DESCRIPTION("Xtables: automatic-address SNAT");
-/* Lock protects masq region inside conntrack */
-static DEFINE_RWLOCK(masq_lock);
-
/* FIXME: Multiple targets. --RR */
static bool masquerade_tg_check(const struct xt_tgchk_param *par)
{
@@ -79,9 +76,7 @@ masquerade_tg(struct sk_buff *skb, const struct xt_target_param *par)
return NF_DROP;
}
- write_lock_bh(&masq_lock);
nat->masq_index = par->out->ifindex;
- write_unlock_bh(&masq_lock);
/* Transfer from original range. */
newrange = ((struct nf_nat_range)
@@ -97,16 +92,11 @@ static int
device_cmp(struct nf_conn *i, void *ifindex)
{
const struct nf_conn_nat *nat = nfct_nat(i);
- int ret;
if (!nat)
return 0;
- read_lock_bh(&masq_lock);
- ret = (nat->masq_index == (int)(long)ifindex);
- read_unlock_bh(&masq_lock);
-
- return ret;
+ return nat->masq_index == (int)(long)ifindex;
}
static int masq_device_event(struct notifier_block *this,