l2tp: remove l2tp_tunnel_count and l2tp_session_count
These variables have never been used. Signed-off-by: Guillaume Nault <g.nault@alphalink.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -100,8 +100,6 @@ struct l2tp_skb_cb {
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#define L2TP_SKB_CB(skb) ((struct l2tp_skb_cb *) &skb->cb[sizeof(struct inet_skb_parm)])
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static atomic_t l2tp_tunnel_count;
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static atomic_t l2tp_session_count;
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static struct workqueue_struct *l2tp_wq;
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/* per-net private data for this module */
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@ -359,10 +357,6 @@ int l2tp_session_register(struct l2tp_session *session,
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hlist_add_head(&session->hlist, head);
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write_unlock_bh(&tunnel->hlist_lock);
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/* Ignore management session in session count value */
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if (session->session_id != 0)
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atomic_inc(&l2tp_session_count);
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return 0;
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err_tlock_pnlock:
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@ -1251,7 +1245,6 @@ static void l2tp_tunnel_destruct(struct sock *sk)
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spin_lock_bh(&pn->l2tp_tunnel_list_lock);
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list_del_rcu(&tunnel->list);
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spin_unlock_bh(&pn->l2tp_tunnel_list_lock);
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atomic_dec(&l2tp_tunnel_count);
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l2tp_tunnel_closeall(tunnel);
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@ -1632,7 +1625,6 @@ int l2tp_tunnel_create(struct net *net, int fd, int version, u32 tunnel_id, u32
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/* Add tunnel to our list */
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INIT_LIST_HEAD(&tunnel->list);
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atomic_inc(&l2tp_tunnel_count);
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/* Bump the reference count. The tunnel context is deleted
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* only when this drops to zero. Must be done before list insertion
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@ -1678,8 +1670,6 @@ void l2tp_session_free(struct l2tp_session *session)
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if (tunnel) {
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BUG_ON(tunnel->magic != L2TP_TUNNEL_MAGIC);
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if (session->session_id != 0)
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atomic_dec(&l2tp_session_count);
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sock_put(tunnel->sock);
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session->tunnel = NULL;
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l2tp_tunnel_dec_refcount(tunnel);
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