On Fri, 2017-09-22 at 08:10 +0200, Florian Westphal wrote: > We can use rcu here to make this safe even if we would not hold rtnl: > qdisc_destroy uses call_rcu to free the Qdisc struct.
Where do you see call_rcu() called from qdisc_destroy() ?
You missed this commit I guess
752fbcc33405d6f8249465e4b2c4e420091bb825
("net_sched: no need to free qdisc in RCU callback")
