[jpirko-mlxsw:wip_attestation_all_1 17/62] drivers/attestation/core/core.c:22 attestation_algorithm_valid() warn: always true condition '(algorithm >= 0) => (0-u32max >= 0)'

[jpirko-mlxsw:wip_attestation_all_1 17/62] drivers/attestation/core/core.c:22 attestation_algorithm_valid() warn: always true condition '(algorithm >= 0) => (0-u32max >= 0)'

[kernel test robot]

tree:   https://github.com/jpirko/linux_mlxsw wip_attestation_all_1
head:   e63637d55bc3ae7cbef988e3525c79b9381dba1b
commit: cae6b353cbd72ec9ffa91eae8788f9c7b742e22a [17/62] attestation: Add CTLV operation handling
config: xtensa-randconfig-r2202-20261025 (https://download.01.org/0day-ci/archive/20261025/202610251530.aCYKBFwj-lkp@intel.com/config)
compiler: xtensa-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
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202610251530.aCYKBFwj-lkp@intel.com/

New smatch warnings:
drivers/attestation/core/core.c:22 attestation_algorithm_valid() warn: always true condition '(algorithm >= 0) => (0-u32max >= 0)'

Old smatch warnings:
arch/xtensa/include/asm/thread_info.h:97 current_thread_info() warn: inconsistent indenting

vim +22 drivers/attestation/core/core.c

16a5aa0ea7bdc1 Jiri Pirko 2026-10-14  19  
16a5aa0ea7bdc1 Jiri Pirko 2026-10-14  20  static bool attestation_algorithm_valid(enum hash_algo algorithm)
16a5aa0ea7bdc1 Jiri Pirko 2026-10-14  21  {
16a5aa0ea7bdc1 Jiri Pirko 2026-10-14 @22  	return algorithm >= 0 && algorithm < HASH_ALGO__LAST && hash_digest_size[algorithm] &&
16a5aa0ea7bdc1 Jiri Pirko 2026-10-14  23  	       hash_digest_size[algorithm] <= HASH_MAX_DIGESTSIZE;
16a5aa0ea7bdc1 Jiri Pirko 2026-10-14  24  }
16a5aa0ea7bdc1 Jiri Pirko 2026-10-14  25  

:::::: The code at line 22 was first introduced by commit
:::::: 16a5aa0ea7bdc17fc63eb251a8fcb0dc356e501c attestation: Prepare provider and instance core

:::::: TO: Jiri Pirko <jiri@nvidia.com>
:::::: CC: Jiri Pirko <jiri@nvidia.com>

--
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https://github.com/intel/lkp-tests/wiki