Hi Christian, kernel test robot noticed the following build errors: [auto build test ERROR on axboe-block/for-next] [also build test ERROR on kees/for-next/hardening robh/for-next lwn/docs-next linus/master v6.12-rc1 next-20241001] [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/Christian-Marangi/block-add-support-for-defining-read-only-partitions/20240930-193609 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next patch link: https://lore.kernel.org/r/20240930113045.28616-4-ansuelsmth%40gmail.com patch subject: [PATCH v4 3/5] string: add strends() helper to check if a string ends with a suffix config: s390-randconfig-r061-20241001 (https://download.01.org/0day-ci/archive/20241002/202410020546.DL6BnsOs-lkp@xxxxxxxxx/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 7773243d9916f98ba0ffce0c3a960e4aa9f03e81) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241002/202410020546.DL6BnsOs-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/202410020546.DL6BnsOs-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from arch/s390/purgatory/string.c:3: In file included from arch/s390/purgatory/../lib/string.c:16: >> include/linux/string.h:366:20: error: call to undeclared function 'memcmp'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 366 | return n >= m && !memcmp(str + n - m, suffix, m); | ^ 1 error generated. vim +/memcmp +366 include/linux/string.h 355 356 /** 357 * strends - does @str end with @suffix? 358 * @str: string to examine 359 * @suffix: suffix to look for. 360 */ 361 static inline bool strends(const char *str, const char *suffix) 362 { 363 size_t n = strlen(str); 364 size_t m = strlen(suffix); 365 > 366 return n >= m && !memcmp(str + n - m, suffix, m); 367 } 368 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
