tree 5d7f25db11b5b985c7366d8bf954aeca976f2b2b
parent 661dfc65f7981481ba2e31aaa702371e82336e56
author Alexander Couzens <lynxis@fe80.eu> 1443432762 +0200
committer David S. Miller <davem@davemloft.net> 1443505150 -0700

l2tp: protect tunnel->del_work by ref_count

There is a small chance that tunnel_free() is called before tunnel->del_work scheduled
resulting in a zero pointer dereference.

Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
Acked-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>