From: Cong Wang <[email protected]>
Date: Sun, 8 Sep 2019 13:40:51 -0700
> In case of TCA_HHF_NON_HH_WEIGHT or TCA_HHF_QUANTUM is zero,
> it would make no progress inside the loop in hhf_dequeue() thus
> kernel would get stuck.
>
> Fix this by checking this corner case in hhf_change().
>
> Fixes: 10239edf86f1 ("net-qdisc-hhf: Heavy-Hitter Filter (HHF) qdisc")
> Reported-by: [email protected]
> Reported-by: [email protected]
> Reported-by: [email protected]
> Cc: Jamal Hadi Salim <[email protected]>
> Cc: Jiri Pirko <[email protected]>
> Cc: Terry Lam <[email protected]>
> Signed-off-by: Cong Wang <[email protected]>
Applied and queued up for -stable.
