tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: bdcc9f6a568275aed4cc32fd2312432d2ff1b704 commit: 3f7320428fa41a4c8be9c6f3d0cc06beeb0b3df8 [12285/12841] iwlwifi: pcie: simplify iwl_pci_find_dev_info() config: arm64-buildonly-randconfig-r004-20211029 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 5db7568a6a1fcb408eb8988abdaff2a225a8eb72) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=3f7320428fa41a4c8be9c6f3d0cc06beeb0b3df8 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 3f7320428fa41a4c8be9c6f3d0cc06beeb0b3df8 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/net/wireless/intel/iwlwifi/pcie/drv.c:1344:42: warning: implicit conversion from 'unsigned long' to 'int' changes value from 18446744073709551615 to -1 [-Wconstant-conversion] for (i = ARRAY_SIZE(iwl_dev_info_table) - 1; i >= 0; i--) { ~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ 1 warning generated. vim +1344 drivers/net/wireless/intel/iwlwifi/pcie/drv.c 1336 1337 static const struct iwl_dev_info * 1338 iwl_pci_find_dev_info(u16 device, u16 subsystem_device, 1339 u16 mac_type, u8 mac_step, 1340 u16 rf_type, u8 cdb, u8 rf_id, u8 no_160, u8 cores) 1341 { 1342 int i; 1343 > 1344 for (i = ARRAY_SIZE(iwl_dev_info_table) - 1; i >= 0; i--) { 1345 const struct iwl_dev_info *dev_info = &iwl_dev_info_table[i]; 1346 1347 if (dev_info->device != (u16)IWL_CFG_ANY && 1348 dev_info->device != device) 1349 continue; 1350 1351 if (dev_info->subdevice != (u16)IWL_CFG_ANY && 1352 dev_info->subdevice != subsystem_device) 1353 continue; 1354 1355 if (dev_info->mac_type != (u16)IWL_CFG_ANY && 1356 dev_info->mac_type != mac_type) 1357 continue; 1358 1359 if (dev_info->mac_step != (u8)IWL_CFG_ANY && 1360 dev_info->mac_step != mac_step) 1361 continue; 1362 1363 if (dev_info->rf_type != (u16)IWL_CFG_ANY && 1364 dev_info->rf_type != rf_type) 1365 continue; 1366 1367 if (dev_info->cdb != (u8)IWL_CFG_ANY && 1368 dev_info->cdb != cdb) 1369 continue; 1370 1371 if (dev_info->rf_id != (u8)IWL_CFG_ANY && 1372 dev_info->rf_id != rf_id) 1373 continue; 1374 1375 if (dev_info->no_160 != (u8)IWL_CFG_ANY && 1376 dev_info->no_160 != no_160) 1377 continue; 1378 1379 if (dev_info->cores != (u8)IWL_CFG_ANY && 1380 dev_info->cores != cores) 1381 continue; 1382 1383 return dev_info; 1384 } 1385 1386 return NULL; 1387 } 1388 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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