]> err.no Git - linux-2.6/blobdiff - net/ipv6/ip6_output.c
ocfs2: Unlock mutex in local alloc failure case
[linux-2.6] / net / ipv6 / ip6_output.c
index f508171bab735b5e1901caa51bfff0248129e2c7..26de3c0ea31e516c23670c924b579be43128847b 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
@@ -783,7 +794,7 @@ slow_path:
                /*
                 *      Copy a block of the IP datagram.
                 */
-               if (skb_copy_bits(skb, ptr, skb_transport_header(skb), len))
+               if (skb_copy_bits(skb, ptr, skb_transport_header(frag), len))
                        BUG();
                left -= len;
 
@@ -1416,8 +1427,9 @@ void ip6_flush_pending_frames(struct sock *sk)
        struct sk_buff *skb;
 
        while ((skb = __skb_dequeue_tail(&sk->sk_write_queue)) != NULL) {
-               IP6_INC_STATS(ip6_dst_idev(skb->dst),
-                             IPSTATS_MIB_OUTDISCARDS);
+               if (skb->dst)
+                       IP6_INC_STATS(ip6_dst_idev(skb->dst),
+                                     IPSTATS_MIB_OUTDISCARDS);
                kfree_skb(skb);
        }