Commit d55cd294 authored by Alexander Couzens's avatar Alexander Couzens Committed by Greg Kroah-Hartman
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l2tp: protect tunnel->del_work by ref_count 



[ Upstream commit 06a15f51 ]

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

Signed-off-by: default avatarAlexander Couzens <lynxis@fe80.eu>
Acked-by: default avatarJames Chapman <jchapman@katalix.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 9cda65f3
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