Merge branch 'l2tp-tunnel-refs'

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Guillaume Nault says:

====================
l2tp: fix some l2tp_tunnel_find() issues in l2tp_netlink

Since l2tp_tunnel_find() doesn't take a reference on the tunnel it
returns, its users are almost guaranteed to be racy.

This series defines l2tp_tunnel_get() which can be used as a safe
replacement, and converts some of l2tp_tunnel_find() users in the
l2tp_netlink module.

Other users often combine this issue with other more or less subtle
races. They will be fixed incrementally in followup series.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

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David S. Miller 2017-08-28 11:34:59 -07:00

parent 9ee369a405 e702c1204e

commit 77146b5d79

3 changed files with 73 additions and 72 deletions

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66

net/l2tp/l2tp_core.c

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13

net/l2tp/l2tp_core.h

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66

net/l2tp/l2tp_netlink.c

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