From: Cong Wang <[email protected]>
Date: Mon, 18 Dec 2017 14:34:26 -0800
> First, the check of &q->ring.queue against NULL is wrong, it
> is always false. We should check the value rather than the address.
>
> Secondly, we need the same check in pfifo_fast_reset() too,
> as both ->reset() and ->destroy() are called in qdisc_destroy().
>
> Fixes: c5ad119fb6c0 ("net: sched: pfifo_fast use skb_array")
> Reported-by: syzbot <[email protected]>
> Cc: John Fastabend <[email protected]>
> Signed-off-by: Cong Wang <[email protected]>
Applied, thanks Cong.
