arch/powerpc/net/bpf_jit_comp.c:550 bpf_jit_supports_fsession() warn: signedness bug returning '(-95)'

[Dan Carpenter]

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@xxxxxxxxx/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 <lkp@xxxxxxxxx>
| Reported-by: Dan Carpenter <error27@xxxxxxxxx>
| Closes: https://lore.kernel.org/r/202608010958.cYfBCQAC-lkp@xxxxxxxxx/

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