target/linux/brcm-2.4/patches/200-fix_ipv6_receiving_with_ipv4_socket.patch

   1 --- a/net/ipv4/udp.c    2009-12-26 00:06:59.000000000 +0100
   2 +++ b/net/ipv4/udp.c    2009-12-27 00:27:05.003012266 +0100
   3 @@ -711,7 +711,14 @@
   4         skb = skb_recv_datagram(sk, flags, noblock, &err);
   5         if (!skb)
   6                 goto out;
   7 -
   8 +
   9 +       if (skb->nh.iph->version != 4) {
  10 +               skb_free_datagram(sk, skb);
  11 +               if (noblock)
  12 +                       return -EAGAIN;
  13 +               goto try_again;
  14 +       }
  15 +
  16         copied = skb->len - sizeof(struct udphdr);
  17         if (copied > len) {
  18                 copied = len;