net: sched: act_vlan: remove dependency on rtnl lock

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Use tcf spinlock to protect vlan action private data from concurrent
modification during dump and init. Use rcu swap operation to reassign
params pointer under protection of tcf lock. (old params value is not used
by init, so there is no need of standalone rcu dereference step)

Remove rtnl assertion that is no longer necessary.

Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Vlad Buslov 2018-08-10 20:51:51 +03:00 • committed by David S. Miller

parent 729e012609

commit 764e9a2448

1 changed files with 15 additions and 12 deletions

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net/sched/act_vlan.c

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