diff options
Diffstat (limited to 'net/ipv4/netfilter/arptable_filter.c')
| -rw-r--r-- | net/ipv4/netfilter/arptable_filter.c | 30 |
1 files changed, 12 insertions, 18 deletions
diff --git a/net/ipv4/netfilter/arptable_filter.c b/net/ipv4/netfilter/arptable_filter.c index 97337601827a..e9d823b149cd 100644 --- a/net/ipv4/netfilter/arptable_filter.c +++ b/net/ipv4/netfilter/arptable_filter.c @@ -53,43 +53,37 @@ static const struct xt_table packet_filter = { }; /* The work comes in here from netfilter.c */ -static unsigned int arpt_in_hook(unsigned int hook, - struct sk_buff *skb, - const struct net_device *in, - const struct net_device *out, - int (*okfn)(struct sk_buff *)) +static unsigned int +arptable_filter_hook(unsigned int hook, struct sk_buff *skb, + const struct net_device *in, const struct net_device *out, + int (*okfn)(struct sk_buff *)) { - return arpt_do_table(skb, hook, in, out, - dev_net(in)->ipv4.arptable_filter); -} + if (hook == NF_ARP_OUT) + return arpt_do_table(skb, hook, in, out, + dev_net(out)->ipv4.arptable_filter); -static unsigned int arpt_out_hook(unsigned int hook, - struct sk_buff *skb, - const struct net_device *in, - const struct net_device *out, - int (*okfn)(struct sk_buff *)) -{ + /* INPUT/FORWARD: */ return arpt_do_table(skb, hook, in, out, - dev_net(out)->ipv4.arptable_filter); + dev_net(in)->ipv4.arptable_filter); } static struct nf_hook_ops arpt_ops[] __read_mostly = { { - .hook = arpt_in_hook, + .hook = arptable_filter_hook, .owner = THIS_MODULE, .pf = NFPROTO_ARP, .hooknum = NF_ARP_IN, .priority = NF_IP_PRI_FILTER, }, { - .hook = arpt_out_hook, + .hook = arptable_filter_hook, .owner = THIS_MODULE, .pf = NFPROTO_ARP, .hooknum = NF_ARP_OUT, .priority = NF_IP_PRI_FILTER, }, { - .hook = arpt_in_hook, + .hook = arptable_filter_hook, .owner = THIS_MODULE, .pf = NFPROTO_ARP, .hooknum = NF_ARP_FORWARD, |