]> git.baikalelectronics.ru Git - kernel.git/commit
net: sched: protect block->chain0 with block->lock
authorVlad Buslov <vladbu@mellanox.com>
Mon, 11 Feb 2019 08:55:35 +0000 (10:55 +0200)
committerDavid S. Miller <davem@davemloft.net>
Tue, 12 Feb 2019 18:41:32 +0000 (13:41 -0500)
commit900b3ff1f92d29e8d710d3edaaff0667fdce7507
tree2a967e039da5631027c1fbde1834356c5dbd1306
parentc08f147943a96d6d40f5a96b9d146873767c898e
net: sched: protect block->chain0 with block->lock

In order to remove dependency on rtnl lock, use block->lock to protect
chain0 struct from concurrent modification. Rearrange code in chain0
callback add and del functions to only access chain0 when block->lock is
held.

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