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authorVasily Averin <vvs@virtuozzo.com>2017-11-12 22:30:31 +0300
committerDavid S. Miller <davem@davemloft.net>2017-11-14 15:45:53 +0900
commit1e7af3b2cdf2dc9e4fd86c799414b3c504975270 (patch)
treee5d20db4bf806662a6e2b2b954d47b6123d237ab /net/l2tp
parentce2b7db38af1ffefa6b04b5113b4d69ad36d38ba (diff)
l2tp: exit_net cleanup check added
Be sure that l2tp_session_hlist array initialized in net_init hook was return to initial state. Signed-off-by: Vasily Averin <vvs@virtuozzo.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/l2tp')
-rw-r--r--net/l2tp/l2tp_core.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index 350fcd39ebd8..115918ad8eca 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -1833,6 +1833,7 @@ static __net_exit void l2tp_exit_net(struct net *net)
{
struct l2tp_net *pn = l2tp_pernet(net);
struct l2tp_tunnel *tunnel = NULL;
+ int hash;
rcu_read_lock_bh();
list_for_each_entry_rcu(tunnel, &pn->l2tp_tunnel_list, list) {
@@ -1842,6 +1843,9 @@ static __net_exit void l2tp_exit_net(struct net *net)
flush_workqueue(l2tp_wq);
rcu_barrier();
+
+ for (hash = 0; hash < L2TP_HASH_SIZE_2; hash++)
+ WARN_ON_ONCE(!hlist_empty(&pn->l2tp_session_hlist[hash]));
}
static struct pernet_operations l2tp_net_ops = {