Hi Alexey, kernel test robot noticed the following build warnings: [auto build test WARNING on axboe-block/for-next] [also build test WARNING on linus/master v6.12 next-20241122] [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/Alexey-Romanov/zram-pass-zcomp-instead-of-zcomp_params-to-create_context-method/20241121-135511 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next patch link: https://lore.kernel.org/r/20241119122713.3294173-4-avromanov%40salutedevices.com patch subject: [PATCH v1 3/3] zram: introduce crypto-api backend config: x86_64-randconfig-012-20241122 (https://download.01.org/0day-ci/archive/20241122/202411222217.SkVD8y1f-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241122/202411222217.SkVD8y1f-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/202411222217.SkVD8y1f-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/block/zram/zcomp.c:233:12: warning: 'init_crypto_api_backends' defined but not used [-Wunused-function] 233 | static int init_crypto_api_backends(void) | ^~~~~~~~~~~~~~~~~~~~~~~~ vim +/init_crypto_api_backends +233 drivers/block/zram/zcomp.c 232 > 233 static int init_crypto_api_backends(void) 234 { 235 struct crypto_alg *alg; 236 struct zcomp_ops *ops; 237 238 list_for_each_entry(alg, &crypto_alg_list, cra_list) { 239 if (!crypto_has_comp(alg->cra_name, 0, 0)) 240 continue; 241 242 if (backend_enabled(alg->cra_name)) 243 continue; 244 245 ops = get_backend_crypto_api(alg->cra_name); 246 if (IS_ERR_OR_NULL(ops)) 247 return PTR_ERR(ops); 248 249 list_add(&ops->list, &backends); 250 } 251 252 return 0; 253 } 254 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
