Hi Manivannan, kernel test robot noticed the following build warnings:
[auto build test WARNING on 3a8660878839faadb4f1a6dd72c3179c1df56787] url: https://github.com/intel-lab-lkp/linux/commits/Manivannan-Sadhasivam/wifi-ath-Use-static-calibration-variant-table-for-devicetree-platforms/20251114-183506 base: 3a8660878839faadb4f1a6dd72c3179c1df56787 patch link: https://lore.kernel.org/r/20251114-ath-variant-tbl-v1-1-a9adfc49e3f3%40oss.qualcomm.com patch subject: [PATCH 1/2] wifi: ath: Use static calibration variant table for devicetree platforms config: x86_64-rhel-9.4-ltp (https://download.01.org/0day-ci/archive/20251115/[email protected]/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251115/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All warnings (new ones prefixed by >>): In file included from drivers/net/wireless/ath/ath10k/core.h:26, from drivers/net/wireless/ath/ath10k/core.c:21: In function 'ath_get_calib_variant', inlined from 'ath10k_core_check_dt' at drivers/net/wireless/ath/ath10k/core.c:1164:12: >> drivers/net/wireless/ath/ath10k/../ath.h:431:36: warning: argument 2 null >> where non-null expected [-Wnonnull] 431 | while ((entry->machine) && strcmp(entry->machine, model)) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/bitmap.h:13, from include/linux/cpumask.h:12, from arch/x86/include/asm/cpumask.h:5, from arch/x86/include/asm/msr.h:11, from arch/x86/include/asm/tsc.h:11, from arch/x86/include/asm/timex.h:6, from include/linux/timex.h:67, from include/linux/time32.h:13, from include/linux/time.h:60, from include/linux/stat.h:19, from include/linux/module.h:13, from drivers/net/wireless/ath/ath10k/core.c:11: include/linux/string.h: In function 'ath10k_core_check_dt': include/linux/string.h:161:12: note: in a call to function 'strcmp' declared 'nonnull' 161 | extern int strcmp(const char *,const char *); | ^~~~~~ -- In file included from drivers/net/wireless/ath/ath11k/core.c:23: In function 'ath_get_calib_variant', inlined from 'ath11k_core_check_dt' at drivers/net/wireless/ath/ath11k/core.c:1367:12: >> drivers/net/wireless/ath/ath11k/../ath.h:431:36: warning: argument 2 null >> where non-null expected [-Wnonnull] 431 | while ((entry->machine) && strcmp(entry->machine, model)) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/bitmap.h:13, from include/linux/cpumask.h:12, from arch/x86/include/asm/cpumask.h:5, from arch/x86/include/asm/msr.h:11, from arch/x86/include/asm/tsc.h:11, from arch/x86/include/asm/timex.h:6, from include/linux/timex.h:67, from include/linux/time32.h:13, from include/linux/time.h:60, from include/linux/stat.h:19, from include/linux/module.h:13, from drivers/net/wireless/ath/ath11k/core.c:9: include/linux/string.h: In function 'ath11k_core_check_dt': include/linux/string.h:161:12: note: in a call to function 'strcmp' declared 'nonnull' 161 | extern int strcmp(const char *,const char *); | ^~~~~~ vim +431 drivers/net/wireless/ath/ath10k/../ath.h 424 425 static inline const char *ath_get_calib_variant(void) 426 { 427 const struct __ath_calib_variant_table *entry = ath_calib_variant_table; 428 struct device_node *root __free(device_node) = of_find_node_by_path("/"); 429 const char *model = of_get_property(root, "model", NULL); 430 > 431 while ((entry->machine) && strcmp(entry->machine, model)) 432 entry++; 433 434 return entry->machine ? entry->variant : NULL; 435 } 436 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
