geneve: exit_net cleanup check added

Be sure that sock_list 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>

diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index 5ec39f1131279e76a84b2492f94fda74d994f406..688906aad19c34dfcc8442d469a45437ebc65cb1 100644 (file)
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -1654,6 +1654,7 @@ static void __net_exit geneve_exit_net(struct net *net)
        /* unregister the devices gathered above */
        unregister_netdevice_many(&list);
        rtnl_unlock();
+       WARN_ON_ONCE(!list_empty(&gn->sock_list));
 }
 
 static struct pernet_operations geneve_net_ops = {