net: Convert tcpv6_net_ops

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These pernet_operations create and destroy net::ipv6.tcp_sk
socket, which is used in tcp_v6_send_response() only. It looks
like foreign pernet_operations don't want to set ipv6 connection
inside destroyed net, so this socket may be created in destroyed
in parallel with anything else. inet_twsk_purge() is also safe
for that, as described in patch for tcp_sk_ops. So, it's possible
to mark them as async.

Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Kirill Tkhai 2018-02-19 11:49:40 +03:00 • committed by David S. Miller

parent 7b7dd180b8

commit fef65a2c6c

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net/ipv6/tcp_ipv6.c

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