]> err.no Git - linux-2.6/blobdiff - net/ipv6/ip6_output.c
Merge branch 'release' of git://lm-sensors.org/kernel/mhoffman/hwmon-2.6
[linux-2.6] / net / ipv6 / ip6_output.c
index f508171bab735b5e1901caa51bfff0248129e2c7..50d86e94d9ed3358bf8bad71ca36599adea63527 100644 (file)
@@ -463,10 +463,17 @@ int ip6_forward(struct sk_buff *skb)
                 */
                if (xrlim_allow(dst, 1*HZ))
                        ndisc_send_redirect(skb, n, target);
-       } else if (ipv6_addr_type(&hdr->saddr)&(IPV6_ADDR_MULTICAST|IPV6_ADDR_LOOPBACK
-                                               |IPV6_ADDR_LINKLOCAL)) {
+       } else {
+               int addrtype = ipv6_addr_type(&hdr->saddr);
+
                /* This check is security critical. */
-               goto error;
+               if (addrtype & (IPV6_ADDR_MULTICAST|IPV6_ADDR_LOOPBACK))
+                       goto error;
+               if (addrtype & IPV6_ADDR_LINKLOCAL) {
+                       icmpv6_send(skb, ICMPV6_DEST_UNREACH,
+                               ICMPV6_NOT_NEIGHBOUR, 0, skb->dev);
+                       goto error;
+               }
        }
 
        if (skb->len > dst_mtu(dst)) {
@@ -514,6 +521,10 @@ static void ip6_copy_metadata(struct sk_buff *to, struct sk_buff *from)
        to->tc_index = from->tc_index;
 #endif
        nf_copy(to, from);
+#if defined(CONFIG_NETFILTER_XT_TARGET_TRACE) || \
+    defined(CONFIG_NETFILTER_XT_TARGET_TRACE_MODULE)
+       to->nf_trace = from->nf_trace;
+#endif
        skb_copy_secmark(to, from);
 }
 
@@ -536,7 +547,7 @@ int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr)
                        found_rhdr = 1;
                        break;
                case NEXTHDR_DEST:
-#ifdef CONFIG_IPV6_MIP6
+#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
                        if (ipv6_find_tlv(skb, offset, IPV6_TLV_HAO) >= 0)
                                break;
 #endif