On Fri, Jan 29, 2021 at 4:02 AM Alexander Ovechkin <[email protected]> wrote: > > Commit e5f0e8f8e456 ("net: sched: introduce and use qdisc tree flush/purge > helpers") > introduced qdisc tree flush/purge helpers, but erroneously used flush helper > instead of purge helper in qdisc_replace function. > This issue was found in our CI, that tests various qdisc setups by configuring > qdisc and sending data through it. Call of invalid helper sporadically leads > to corruption of vt_tree/cf_tree of hfsc_class that causes kernel oops: ... > Fixes: e5f0e8f8e456 ("net: sched: introduce and use qdisc tree flush/purge > helpers") > Signed-off-by: Alexander Ovechkin <[email protected]>
Looks reasonable to me: Acked-by: Cong Wang <[email protected]> Thanks.
