I was fixing the tcp_diag so that it shows SYN_RECV sockets properly.
I found that /proc/net/tcp didn't do it correctly either.  So here is
a small patch to fix /proc/net/tcp.

The logic in there stinks though so I'd love to see a rewrite.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>