Revert "ipv4: arp announce, arp_proxy and windows ip conflict verification"

[karo-tx-linux.git] / net / ipv4 / ip_input.c

diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index 40f6206b2aa96699300b6c1d33d8b975b451432f..db46b4b5b2b9429db018b1abcadaf26d92316048 100644 (file)
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -329,7 +329,7 @@ static int ip_rcv_finish(struct sk_buff *skb)
         *      Initialise the virtual path cache for the packet. It describes
         *      how the packet travels inside Linux networking.
         */
-       if (skb->dst == NULL) {
+       if (skb_dst(skb) == NULL) {
                int err = ip_route_input(skb, iph->daddr, iph->saddr, iph->tos,
                                         skb->dev);
                if (unlikely(err)) {
@@ -344,9 +344,9 @@ static int ip_rcv_finish(struct sk_buff *skb)
        }
 
 #ifdef CONFIG_NET_CLS_ROUTE
-       if (unlikely(skb->dst->tclassid)) {
+       if (unlikely(skb_dst(skb)->tclassid)) {
                struct ip_rt_acct *st = per_cpu_ptr(ip_rt_acct, smp_processor_id());
-               u32 idx = skb->dst->tclassid;
+               u32 idx = skb_dst(skb)->tclassid;
                st[idx&0xFF].o_packets++;
                st[idx&0xFF].o_bytes += skb->len;
                st[(idx>>16)&0xFF].i_packets++;
@@ -357,7 +357,7 @@ static int ip_rcv_finish(struct sk_buff *skb)
        if (iph->ihl > 5 && ip_rcv_options(skb))
                goto drop;
 
-       rt = skb->rtable;
+       rt = skb_rtable(skb);
        if (rt->rt_type == RTN_MULTICAST) {
                IP_UPD_PO_STATS_BH(dev_net(rt->u.dst.dev), IPSTATS_MIB_INMCAST,
                                skb->len);
@@ -440,6 +440,9 @@ int ip_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt,
        /* Remove any debris in the socket control block */
        memset(IPCB(skb), 0, sizeof(struct inet_skb_parm));
 
+       /* Must drop socket now because of tproxy. */
+       skb_orphan(skb);
+
        return NF_HOOK(PF_INET, NF_INET_PRE_ROUTING, skb, dev, NULL,
                       ip_rcv_finish);