Eric Dumazet f2f2325ec7 ip6mr: ip6mr_sk_done() can exit early in common cases
In many cases, ip6mr_sk_done() is called while no ipmr socket
has been registered.

This removes 4 rtnl acquisitions per netns dismantle,
with following callers:

igmp6_net_exit(), tcpv6_net_exit(), ndisc_net_exit()

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-02-05 15:20:34 +00:00
..
2022-02-05 15:20:34 +00:00
2019-07-27 14:23:48 -07:00
2022-01-25 11:25:21 +00:00
2022-02-05 15:20:34 +00:00
2021-06-11 14:48:50 +02:00
2021-11-16 19:07:54 -08:00