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Tue, 12 May 2026 11:32:41 -0700 (PDT) Received: from [192.168.0.226] ([38.34.87.7]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2baf1ec232esm148513515ad.81.2026.05.12.11.32.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 May 2026 11:32:41 -0700 (PDT) Message-ID: Subject: Re: [PATCH bpf-next v4 06/12] bpf: Remove redundant dynptr arg check for helper From: Eduard Zingerman To: Amery Hung , bpf@vger.kernel.org Cc: netdev@vger.kernel.org, alexei.starovoitov@gmail.com, andrii@kernel.org, daniel@iogearbox.net, memxor@gmail.com, martin.lau@kernel.org, mykyta.yatsenko5@gmail.com, kernel-team@meta.com Date: Tue, 12 May 2026 11:32:06 -0700 In-Reply-To: <20260506142709.2298255-7-ameryhung@gmail.com> References: <20260506142709.2298255-1-ameryhung@gmail.com> <20260506142709.2298255-7-ameryhung@gmail.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.58.3 (3.58.3-1.fc43) Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Wed, 2026-05-06 at 07:27 -0700, Amery Hung wrote: > unmark_stack_slots_dynptr() already makes sure that CONST_PTR_TO_DYNPTR > cannot be released. process_dynptr_func() also prevents passing > uninitialized dynptr to helpers expecting initialized dynptr. Now that > unmark_stack_slots_dynptr() also error returned from > release_reference(), there should be no reason to keep these redundant > checks. >=20 > Signed-off-by: Amery Hung > --- Acked-by: Eduard Zingerman [...]