AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/net/l2tp
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Guillaume Nault f6cd651b05 l2tp: fix race in duplicate tunnel detection 
We can't use l2tp_tunnel_find() to prevent l2tp_nl_cmd_tunnel_create()
from creating a duplicate tunnel. A tunnel can be concurrently
registered after l2tp_tunnel_find() returns. Therefore, searching for
duplicates must be done at registration time.

Finally, remove l2tp_tunnel_find() entirely as it isn't use anywhere
anymore.

Fixes: 309795f4be ("l2tp: Add netlink control API for L2TP")
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-11 17:41:27 -04:00
..
Kconfig l2tp: Call udp_sock_create 2014-07-14 16:12:15 -07:00
l2tp_core.c l2tp: fix race in duplicate tunnel detection 2018-04-11 17:41:27 -04:00
l2tp_core.h l2tp: fix race in duplicate tunnel detection 2018-04-11 17:41:27 -04:00
l2tp_debugfs.c l2tp: remove l2specific_len configurable parameter 2018-01-19 15:00:49 -05:00
l2tp_eth.c l2tp: remove .tunnel_sock from struct l2tp_eth 2017-11-11 22:08:23 +09:00
l2tp_ip6.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-03-06 01:20:46 -05:00
l2tp_ip.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-03-06 01:20:46 -05:00
l2tp_netlink.c l2tp: fix race in duplicate tunnel detection 2018-04-11 17:41:27 -04:00
l2tp_ppp.c l2tp: fix races in tunnel creation 2018-04-11 17:41:27 -04:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00