From: Guillaume Nault
Date: Thu, 9 Nov 2017 08:29:52 +0900
> Sessions are already removed by the proto ->destroy() handlers, and
> since commit f3c66d4e144a ("l2tp: prevent creation of sessions on terminated
> tunnels"),
> we're guaranteed that no new session can be
Sessions are already removed by the proto ->destroy() handlers, and
since commit f3c66d4e144a ("l2tp: prevent creation of sessions on terminated
tunnels"),
we're guaranteed that no new session can be created afterwards.
Furthermore, l2tp_tunnel_closeall() can sleep when there are sessions
left