tun: use tun_sk instead container_of

Using macro tun_sk is more clear and shorter. However tun.c has tun_sk,
but doesn't use it.

Signed-off-by: Vitaliy Gusev <vgusev@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vitaliy Gusev 2009-12-25 07:17:43 +00:00 committed by David S. Miller
parent 08fafd8461
commit 80924e5f7d

View File

@ -849,13 +849,13 @@ static void tun_sock_write_space(struct sock *sk)
if (sk->sk_sleep && waitqueue_active(sk->sk_sleep))
wake_up_interruptible_sync(sk->sk_sleep);
tun = container_of(sk, struct tun_sock, sk)->tun;
tun = tun_sk(sk)->tun;
kill_fasync(&tun->fasync, SIGIO, POLL_OUT);
}
static void tun_sock_destruct(struct sock *sk)
{
free_netdev(container_of(sk, struct tun_sock, sk)->tun->dev);
free_netdev(tun_sk(sk)->tun->dev);
}
static struct proto tun_proto = {
@ -990,7 +990,7 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
sk->sk_write_space = tun_sock_write_space;
sk->sk_sndbuf = INT_MAX;
container_of(sk, struct tun_sock, sk)->tun = tun;
tun_sk(sk)->tun = tun;
security_tun_dev_post_create(sk);