tree 798f475f48fbdff0eae359c3f345a1a0eaf83ca2
parent e3d95ad7da4f8955599f0786d7c70497c0aaf8c9
author Eric Dumazet <edumazet@google.com> 1426642351 -0700
committer David S. Miller <davem@davemloft.net> 1426644149 -0400

inet: fix request sock refcounting

While testing last patch series, I found req sock refcounting was wrong.

We must set skc_refcnt to 1 for all request socks added in hashes,
but also on request sockets created by FastOpen or syncookies.

It is tricky because we need to defer this initialization so that
future RCU lookups do not try to take a refcount on a not yet
fully initialized request socket.

Also get rid of ireq_refcnt alias.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Fixes: 13854e5a6046 ("inet: add proper refcounting to request sock")
Signed-off-by: David S. Miller <davem@davemloft.net>