[PATCH v4 04/18] vxlan: exit_net cleanup checks added
From: Vasily Averin <hidden>
Date: 2017-11-12 08:42:02
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Be sure that sock_list array initialized in net_init hook was return to initial state Signed-off-by: Vasily Averin <redacted> --- drivers/net/vxlan.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index d7c49cf..766a41b 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c@@ -3704,6 +3704,7 @@ static void __net_exit vxlan_exit_net(struct net *net) struct vxlan_net *vn = net_generic(net, vxlan_net_id); struct vxlan_dev *vxlan, *next; struct net_device *dev, *aux; + unsigned int h; LIST_HEAD(list); rtnl_lock();
@@ -3723,6 +3724,10 @@ static void __net_exit vxlan_exit_net(struct net *net) unregister_netdevice_many(&list); rtnl_unlock(); + + for (h = 0; h < PORT_HASH_SIZE; ++h) + if (WARN_ON_ONCE(!hlist_empty(&vn->sock_list[h]))) + break; } static struct pernet_operations vxlan_net_ops = {
--
2.7.4