Hi, kernel test robot noticed the following build warnings: [auto build test WARNING on herbert-cryptodev-2.6/master] [also build test WARNING on herbert-crypto-2.6/master linus/master v6.17-rc2 next-20250820] [cannot apply to hch-configfs/for-next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/hare-kernel-org/crypto-hkdf-add-hkdf_expand_label/20250820-172750 base: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master patch link: https://lore.kernel.org/r/20250820091211.25368-2-hare%40kernel.org patch subject: [PATCH 1/2] crypto: hkdf: add hkdf_expand_label() config: loongarch-randconfig-001-20250821 (https://download.01.org/0day-ci/archive/20250821/202508210523.p8BdHsR7-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 14.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250821/202508210523.p8BdHsR7-lkp@xxxxxxxxx/reproduce) 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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202508210523.p8BdHsR7-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> Warning: crypto/hkdf.c:151 function parameter 'labellen' not described in 'hkdf_expand_label' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
