net_sched: use tcf_queue_work() in tcindex filter
authorCong Wang <xiyou.wangcong@gmail.com>
Fri, 27 Oct 2017 01:24:39 +0000 (18:24 -0700)
committerDavid S. Miller <davem@davemloft.net>
Sun, 29 Oct 2017 13:49:31 +0000 (22:49 +0900)
commit27ce4f05e2abbe2d3ec7434e456619a5178cd3bd
tree6e1a1cbab4be66363cec571b853cae925689fe23
parentd4f84a41dc615c166555cd332b0235bf6b9bcb4a
net_sched: use tcf_queue_work() in tcindex filter

Defer the tcf_exts_destroy() in RCU callback to
tc filter workqueue and get RTNL lock.

Reported-by: Chris Mi <chrism@mellanox.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Jiri Pirko <jiri@resnulli.us>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/sched/cls_tcindex.c