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l2tp: remove l2tp_tunnel_count and l2tp_session_count 

commit c7fa745d988812c4dea7dbc645f025c5bfa4917e upstream.

These variables have never been used.

Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
This commit is contained in:
Guillaume Nault 2017-10-31 17:36:45 +01:00 committed by syphyr
parent e3c62da38d
commit 29c81c50ee
1 changed files with 0 additions and 10 deletions
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10
net/l2tp/l2tp_core.c
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@ -99,8 +99,6 @@ struct l2tp_skb_cb {
#define L2TP_SKB_CB(skb) ((struct l2tp_skb_cb *) &skb->cb[sizeof(struct inet_skb_parm)])
static atomic_t l2tp_tunnel_count;
static atomic_t l2tp_session_count;
static struct workqueue_struct *l2tp_wq;
/* per-net private data for this module */
@ -422,10 +420,6 @@ int l2tp_session_register(struct l2tp_session *session,
hlist_add_head(&session->hlist, head);
write_unlock_bh(&tunnel->hlist_lock);
/* Ignore management session in session count value */
if (session->session_id != 0)
atomic_inc(&l2tp_session_count);
return 0;
err_tlock_pnlock:
@ -1390,7 +1384,6 @@ static void l2tp_tunnel_destruct(struct sock *sk)
spin_lock_bh(&pn->l2tp_tunnel_list_lock);
list_del_rcu(&tunnel->list);
spin_unlock_bh(&pn->l2tp_tunnel_list_lock);
atomic_dec(&l2tp_tunnel_count);
l2tp_tunnel_closeall(tunnel);
@ -1811,7 +1804,6 @@ int l2tp_tunnel_create(struct net *net, int fd, int version, u32 tunnel_id, u32
/* Add tunnel to our list */
INIT_LIST_HEAD(&tunnel->list);
atomic_inc(&l2tp_tunnel_count);
/* Bump the reference count. The tunnel context is deleted
* only when this drops to zero. Must be done before list insertion
@ -1857,8 +1849,6 @@ void l2tp_session_free(struct l2tp_session *session)
if (tunnel) {
BUG_ON(tunnel->magic != L2TP_TUNNEL_MAGIC);
if (session->session_id != 0)
atomic_dec(&l2tp_session_count);
sock_put(tunnel->sock);
session->tunnel = NULL;
l2tp_tunnel_dec_refcount(tunnel);