Re: [PATCH net] sch_hhf: fix null pointer dereference on init failure

[Cong Wang]

On Tue, Aug 29, 2017 at 12:02 PM, Nikolay Aleksandrov
<niko...@cumulusnetworks.com> wrote:
> First I did it with the check in the for () conditional, but this is more
> visible and explicit. Let me know if you'd like the shorter version. :-)

Or, if you want to make the patch size smaller, just check NULL
before for():

if (!q->hh_flows)
    return;

for (...)

Up to you, I have no strong opinion here, slightly prefer a smaller
one for backport.