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| author | xeb@mail.ru <xeb@mail.ru> | 2012-08-24 01:07:38 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-08-30 12:31:03 -0400 |
| commit | 99469c32f79a32d8481f87be0d3c66dad286f4ec (patch) | |
| tree | fe937e501fe88ba696ba21669454367d6c7b9096 | |
| parent | e2c53be223aca36cf93eb6a0f6bafa079e78f52b (diff) | |
| download | linux-99469c32f79a32d8481f87be0d3c66dad286f4ec.tar.bz2 | |
l2tp: avoid to use synchronize_rcu in tunnel free function
Avoid to use synchronize_rcu in l2tp_tunnel_free because context may be
atomic.
Signed-off-by: Dmitry Kozlov <xeb@mail.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/l2tp/l2tp_core.c | 3 | ||||
| -rw-r--r-- | net/l2tp/l2tp_core.h | 1 |
2 files changed, 2 insertions, 2 deletions
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index 393355d37b47..513cab08a986 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -1347,11 +1347,10 @@ static void l2tp_tunnel_free(struct l2tp_tunnel *tunnel) /* Remove from tunnel list */ spin_lock_bh(&pn->l2tp_tunnel_list_lock); list_del_rcu(&tunnel->list); + kfree_rcu(tunnel, rcu); spin_unlock_bh(&pn->l2tp_tunnel_list_lock); - synchronize_rcu(); atomic_dec(&l2tp_tunnel_count); - kfree(tunnel); } /* Create a socket for the tunnel, if one isn't set up by diff --git a/net/l2tp/l2tp_core.h b/net/l2tp/l2tp_core.h index a38ec6cdeee1..56d583e083a7 100644 --- a/net/l2tp/l2tp_core.h +++ b/net/l2tp/l2tp_core.h @@ -163,6 +163,7 @@ struct l2tp_tunnel_cfg { struct l2tp_tunnel { int magic; /* Should be L2TP_TUNNEL_MAGIC */ + struct rcu_head rcu; rwlock_t hlist_lock; /* protect session_hlist */ struct hlist_head session_hlist[L2TP_HASH_SIZE]; /* hashed list of sessions, |