tree 9b11954e5446349cf84b7d1eedcf939fe74bb5f1
parent 4c22868264516fe0c42817a87f37efb44254e7a9
author Guillaume Nault <g.nault@alphalink.fr> 1503670937 +0200
committer David S. Miller <davem@davemloft.net> 1503944913 -0700

l2tp: initialise session's refcount before making it reachable

Sessions must be fully initialised before calling
l2tp_session_add_to_tunnel(). Otherwise, there's a short time frame
where partially initialised sessions can be accessed by external users.

Fixes: dbdbc73b4478 ("l2tp: fix duplicate session creation")
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>