net: sched: take rtnl lock in tc_setup_flow_action()

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In order to allow using new flow_action infrastructure from unlocked
classifiers, modify tc_setup_flow_action() to accept new 'rtnl_held'
argument. Take rtnl lock before accessing tc_action data. This is necessary
to protect from concurrent action replace.

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

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Vlad Buslov 2019-08-26 16:45:03 +03:00 • committed by David S. Miller

parent 11bd634da2

commit 9838b20a7f

4 changed files with 20 additions and 9 deletions

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2

include/net/pkt_cls.h

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17

net/sched/cls_api.c

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6

net/sched/cls_flower.c

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4

net/sched/cls_matchall.c

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