Re: [PATCH net v3] bnxt_en: Bound SW TPA IDs to prevent crashes

[Joe Damato <joe@dama.to>]

On Thu, Aug 27, 2026 at 04:07:16PM -0700, Michael Chan wrote:
> On Thu, Aug 27, 2026 at 11:57 AM Joe Damato <joe@dama.to> wrote:
> 
> > @@ -3831,6 +3834,7 @@ static int bnxt_alloc_tpa_info(struct bnxt *bp)
> >         int i, rc;
> >
> >         bp->max_tpa = MAX_TPA;
> > +       bp->max_tpa_roundup_size = MAX_TPA;
> 
> This is strictly not needed.  If we return early below, it means the
> chip does not support TPA at all.  We skip allocating the TPA array
> for every ring, so it really makes no difference.
> 
> BNXT_SUPPORTS_TPA() will be false if we return early.  LRO and HW_GRO
> will not be supported.  So I would say it's a false positive from
> Sashiko.  Thanks.

Sorry, I should have been more explicit in my last message: is it worth a
respin to remove this? Unless I am misunderstanding something, it's harmless
and while not necessary, might be more clear for a human reader?

LMK what you think.