Kirill Tkhai f663706a33 tun: Do SIOCGSKNS out of rtnl_lock() ...

Since net ns of tun device is assigned on the device creation,
and it never changes, we do not need to use any lock to get it
from alive tun.

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

2018-05-10 15:16:49 -04:00

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