userns: Teach inet_diag to work with user namespaces

Compute the user namespace of the socket that we are replying to
and translate the kuids of reported sockets into that user namespace.

Cc: Andrew Vagin <avagin@openvz.org>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Pavel Emelyanov <xemul@parallels.com>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/init/Kconfig b/init/Kconfig
index 8447e0ca4186..07435e0c3a4b 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -950,7 +950,6 @@ config UIDGID_CONVERTED
         depends on NETFILTER_NETLINK_LOG = n
         depends on AF_RXRPC = n
         depends on NET_KEY = n
-        depends on INET_DIAG = n
         depends on DNS_RESOLVER = n
 
         # Filesystems