net: sched: act_mirred: remove dependency on rtnl lock

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Re-introduce mirred list spinlock, that was removed some time ago, in order
to protect it from concurrent modifications, instead of relying on rtnl
lock.

Use tcf spinlock to protect mirred action private data from concurrent
modification in init and dump. Rearrange access to mirred data in order to
be performed only while holding the lock.

Rearrange net dev access to always hold reference while working with it,
instead of relying on rntl lock.

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 20:51:53 +03:00 • committed by David S. Miller

parent 84a75b329b

commit 4e232818bd

1 changed files with 51 additions and 27 deletions

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net/sched/act_mirred.c

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