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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Colin Winegarden , Rukhsana Ansari , Kalesh AP , horms@kernel.org, linux-kernel@vger.kernel.org, raphaelcf@meta.com, stable@vger.kernel.org, llvm@lists.linux.dev Subject: Re: [PATCH net v3] bnxt_en: Bound SW TPA IDs to prevent crashes Message-ID: Mail-Followup-To: Joe Damato , Michael Chan , netdev@vger.kernel.org, Pavan Chebbi , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Colin Winegarden , Rukhsana Ansari , Kalesh AP , horms@kernel.org, linux-kernel@vger.kernel.org, raphaelcf@meta.com, stable@vger.kernel.org, llvm@lists.linux.dev References: <20260827185700.2157164-1-joe@dama.to> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-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 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.