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Tue, 04 Aug 2026 05:11:29 -0700 (PDT) Date: Sat, 1 Aug 2026 10:03:13 +0300 From: Dan Carpenter To: oe-kbuild@lists.linux.dev, Abhishek Dubey Cc: lkp@intel.com, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Madhavan Srinivasan Subject: arch/powerpc/net/bpf_jit_comp.c:550 bpf_jit_supports_fsession() warn: signedness bug returning '(-95)' Message-ID: <202608010958.cYfBCQAC-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8ba098e6b6ff0db8edf28528d1552be261af30d4 commit: 92258b5bf1ec10204c23a793793a65dc92d17014 powerpc32/bpf: Add fsession support config: powerpc-randconfig-r073-20260801 (https://download.01.org/0day-ci/archive/20260801/202608010958.cYfBCQAC-lkp@intel.com/config) compiler: powerpc-linux-gcc (GCC) 8.5.0 smatch: v0.5.0-9187-g5189e3fb If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Fixes: 92258b5bf1ec ("powerpc32/bpf: Add fsession support") | Reported-by: kernel test robot | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202608010958.cYfBCQAC-lkp@intel.com/ smatch warnings: arch/powerpc/net/bpf_jit_comp.c:550 bpf_jit_supports_fsession() warn: signedness bug returning '(-95)' vim +550 arch/powerpc/net/bpf_jit_comp.c 6fab063bd8d64f Abhishek Dubey 2026-04-01 543 bool bpf_jit_supports_fsession(void) 6fab063bd8d64f Abhishek Dubey 2026-04-01 544 { 92258b5bf1ec10 Abhishek Dubey 2026-04-01 545 /* 92258b5bf1ec10 Abhishek Dubey 2026-04-01 546 * TODO: Remove after validating support 92258b5bf1ec10 Abhishek Dubey 2026-04-01 547 * for fsession and trampoline on ppc32. 92258b5bf1ec10 Abhishek Dubey 2026-04-01 548 */ 92258b5bf1ec10 Abhishek Dubey 2026-04-01 549 if (IS_ENABLED(CONFIG_PPC32)) 92258b5bf1ec10 Abhishek Dubey 2026-04-01 @550 return -EOPNOTSUPP; return false; 92258b5bf1ec10 Abhishek Dubey 2026-04-01 551 return true; 6fab063bd8d64f Abhishek Dubey 2026-04-01 552 } -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki