[IPV6 2.4] UDPv6: checksum

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

Hello.

We always need to check UDPv6 checksum because it is mandatory.
This patch is for 2.4.

Thanks.

===== 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 23:45:18 +09:00
@@ -521,8 +521,7 @@
 
 static inline int udpv6_queue_rcv_skb(struct sock * sk, struct sk_buff *skb)
 {
-#if defined(CONFIG_FILTER)
-       if (sk->filter && skb->ip_summed != CHECKSUM_UNNECESSARY) {
+       if (skb->ip_summed != CHECKSUM_UNNECESSARY) {
                if ((unsigned short)csum_fold(skb_checksum(skb, 0, skb->len, 
skb->csum))) {
                        UDP6_INC_STATS_BH(UdpInErrors);
                        IP6_INC_STATS_BH(Ip6InDiscards);
@@ -531,7 +530,6 @@
                }
                skb->ip_summed = CHECKSUM_UNNECESSARY;
        }
-#endif
        if (sock_queue_rcv_skb(sk,skb)<0) {
                UDP6_INC_STATS_BH(UdpInErrors);
                IP6_INC_STATS_BH(Ip6InDiscards);

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