[2.4,IPV6] UDPv6: use udpv6_queue_rcv_skb().

[YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@xxxxxxxxxxxxxx>]

Hello.

Use udpv6_queue_rcv_skb() instead of sock_queue_rcv_skb()
as we do in 2.6 for checksum, (ipsec and) statistics.

===== net/ipv6/udp.c 1.14 vs edited =====
--- 1.14/net/ipv6/udp.c 2004-02-25 17:19:02 +09:00
+++ edited/net/ipv6/udp.c       2004-06-15 23:50:47 +09:00
@@ -586,34 +586,26 @@
                                struct sk_buff *skb)
 {
        struct sock *sk, *sk2;
-       struct sk_buff *buff;
        int dif;
 
        read_lock(&udp_hash_lock);
        sk = udp_hash[ntohs(uh->dest) & (UDP_HTABLE_SIZE - 1)];
        dif = skb->dev->ifindex;
        sk = udp_v6_mcast_next(sk, uh->dest, daddr, uh->source, saddr, dif);
-       if (!sk)
-               goto free_skb;
+       if (!sk) {
+               kfree_skb(skb);
+               goto out;
+       }
 
-       buff = NULL;
        sk2 = sk;
        while((sk2 = udp_v6_mcast_next(sk2->next, uh->dest, daddr,
                                                  uh->source, saddr, dif))) {
-               if (!buff) {
-                       buff = skb_clone(skb, GFP_ATOMIC);
-                       if (!buff)
-                               continue;
-               }
-               if (sock_queue_rcv_skb(sk2, buff) >= 0)
-                       buff = NULL;
-       }
-       if (buff)
-               kfree_skb(buff);
-       if (sock_queue_rcv_skb(sk, skb) < 0) {
-free_skb:
-               kfree_skb(skb);
+               struct sk_buff *buff = skb_clone(skb, GFP_ATOMIC);
+               if (buff)
+                       udpv6_queue_rcv_skb(sk2, buff);
        }
+       udpv6_queue_rcv_skb(sk, skb);
+out:
        read_unlock(&udp_hash_lock);
 }
 

-- 
Hideaki YOSHIFUJI @ USAGI Project <yoshfuji@xxxxxxxxxxxxxx>
GPG FP: 9022 65EB 1ECF 3AD1 0BDF  80D8 4807 F894 E062 0EEA