On Thu, Apr 15, 2021 at 1:53 AM Rob Herring <r...@kernel.org> wrote:
>
> On Wed, Apr 14, 2021 at 11:41 AM Namhyung Kim <namhy...@kernel.org> wrote:
> >
> > Hello,
> >
> > On Thu, Apr 15, 2021 at 1:07 AM Rob Herring <r...@kernel.org> wrote:
> > > +void *perf_evsel__mmap_base(struct perf_evsel *evsel, int cpu, int
> > > thread)
> > > +{
> > > + if (FD(evsel, cpu, thread) < 0 || MMAP(evsel, cpu, thread) ==
> > > NULL)
> > > + return NULL;
> >
> > I think you should check the cpu and the thread is in
> > a valid range. Currently xyarray__entry() simply accesses
> > the content without checking the boundaries.
>
> Happy to add a patch to do that if desired, but I think that's
> separate from this series. That would be something to add to
> xyarray__entry().
Sure, we can do that separately.
Thanks,
Namhyung
