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Sat, 07 Nov 2026 18:53:16 -0800 (PST) Received: from localhost ([153.61.198.254]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8b649821abesm193541b3a.34.2026.11.07.18.53.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 07 Nov 2026 18:53:15 -0800 (PST) X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Sun, 08 Nov 2026 02:53:15 +0000 Message-Id: Subject: Re: [linux-next:master 3430/4145] kernel/bpf/scev.c:736:33-42: duplicated argument to && or || From: "Alexei Starovoitov" To: "kernel test robot" , "Alexei Starovoitov" Cc: X-Mailer: aerc 0.20.1-355-gf870624f6c37 References: <202611080024.A0phXMMa-lkp@intel.com> In-Reply-To: <202611080024.A0phXMMa-lkp@intel.com> On Sat Nov 7, 2026 at 11:54 PM UTC, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.g= it master > head: ddfe51b0a0f5dc9e415cc2c8ad8db17532dd426b > commit: 28a373cb0f6a579049ffe92747575213a442673f [3430/4145] bpf: Fold su= ms of constants and two shifts by 32 in scalar evolution > config: hexagon-randconfig-r2101-20261107 (https://download.01.org/0day-c= i/archive/20261108/202611080024.A0phXMMa-lkp@intel.com/config) > compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 0= fa861dbbf46e5a75f621406fd91cb015d8754bf) > > If you fix the issue in a separate patch/commit (i.e. not just a new vers= ion of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot > | Closes: https://lore.kernel.org/oe-kbuild-all/202611080024.A0phXMMa-lkp= @intel.com/ > > cocci warnings: (new ones prefixed by >>) >>> kernel/bpf/scev.c:736:33-42: duplicated argument to && or || ... > 735 if (class =3D=3D BPF_ALU64 && op =3D=3D BPF_RSH && id >=3D 0 && > > 736 is_imm(scev, id, &imm) && imm =3D=3D 32 && > 737 is_binop(scev, BPF_LSH, reg2expr[dst], &l, &r) && > 738 is_imm(scev, r, &imm) && imm =3D=3D 32) > 739 return replace_reg(scev, e, dst, expr1(scev, ZEXT32, l)); No. they are not duplicated, but yeah the coding style is questionable.