Hi mitrutzceclan, kernel test robot noticed the following build warnings: [auto build test WARNING on jic23-iio/togreg] [also build test WARNING on linus/master v6.7-rc2 next-20231124] [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/mitrutzceclan/iio-adc-ad7173-add-AD7173-driver/20231123-233012 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg patch link: https://lore.kernel.org/r/20231123152331.5751-2-user%40HYB-hhAwRlzzMZb patch subject: [PATCH v6 2/2] iio: adc: ad7173: add AD7173 driver config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20231124/202311241251.qDeS0ZtB-lkp@xxxxxxxxx/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231124/202311241251.qDeS0ZtB-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/202311241251.qDeS0ZtB-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/iio/adc/ad7173.c:329:22: warning: variable 'offset' set but not used [-Wunused-but-set-variable] ptrdiff_t cmp_size, offset; ^ 1 warning generated. vim +/offset +329 drivers/iio/adc/ad7173.c 324 325 static struct ad7173_channel_config * 326 ad7173_find_live_config(struct ad7173_state *st, struct ad7173_channel_config *cfg) 327 { 328 struct ad7173_channel_config *cfg_aux; > 329 ptrdiff_t cmp_size, offset; 330 int i; 331 332 offset = offsetofend(struct ad7173_channel_config, live); 333 cmp_size = sizeof_field(struct ad7173_channel_config, config_props); 334 335 for (i = 0; i < st->num_channels; i++) { 336 cfg_aux = &st->channels[i].cfg; 337 338 if (cfg_aux->live && 339 !memcmp(&cfg->bipolar, &cfg_aux->bipolar, cmp_size)) 340 return cfg_aux; 341 } 342 return NULL; 343 } 344 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
