diff options
-rw-r--r-- | net/l2tp/l2tp_core.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index a99032076e04..29dfbd70c79c 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -1289,17 +1289,20 @@ static void l2tp_session_unhash(struct l2tp_session *session) static void l2tp_tunnel_closeall(struct l2tp_tunnel *tunnel) { struct l2tp_session *session; - struct list_head *pos; - struct list_head *tmp; spin_lock_bh(&tunnel->list_lock); tunnel->acpt_newsess = false; - list_for_each_safe(pos, tmp, &tunnel->session_list) { - session = list_entry(pos, struct l2tp_session, list); + for (;;) { + session = list_first_entry_or_null(&tunnel->session_list, + struct l2tp_session, list); + if (!session) + break; + l2tp_session_inc_refcount(session); list_del_init(&session->list); spin_unlock_bh(&tunnel->list_lock); l2tp_session_delete(session); spin_lock_bh(&tunnel->list_lock); + l2tp_session_dec_refcount(session); } spin_unlock_bh(&tunnel->list_lock); } |