Re: [Intel-gfx] [PATCH 4/7] drm/i915/perf: Whitelist OA report trigger registers

[Dixit, Ashutosh]

On Fri, 13 Nov 2020 14:12:09 -0800, Umesh Nerlige Ramappa wrote:
>
> > +   if (wal->engine)
> > +           spin_lock_irqsave(&wal->engine->uncore->lock, flags);
> > +
> > +   kfree(wal->list);
>
> if (wal->list)
>       kfree(wal->list);

void kfree(const void *objp)
{
        ...

        if (unlikely(ZERO_OR_NULL_PTR(objp)))
                return;
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