Hi Jeremy, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on v6.4-rc7 next-20230620] [cannot apply to nf-next/master] [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/Jeremy-Sowden/lib-ts_bm-add-helper-to-reduce-indentation-and-improve-readability/20230620-031043 base: linus/master patch link: https://lore.kernel.org/r/20230619190803.1906012-1-jeremy%40azazel.net patch subject: [PATCH nf-next] lib/ts_bm: add helper to reduce indentation and improve readability config: x86_64-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20230620/202306201819.BoQ5IT7Y-lkp@xxxxxxxxx/config) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce: (https://download.01.org/0day-ci/archive/20230620/202306201819.BoQ5IT7Y-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/202306201819.BoQ5IT7Y-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> lib/ts_bm.c:101:34: warning: variable 'i' is uninitialized when used here [-Wuninitialized] bs = bm->bad_shift[text[shift-i]]; ^ lib/ts_bm.c:79:16: note: initialize the variable 'i' to silence this warning unsigned int i, text_len, consumed = state->offset; ^ = 0 1 warning generated. vim +/i +101 lib/ts_bm.c 75 76 static unsigned int bm_find(struct ts_config *conf, struct ts_state *state) 77 { 78 struct ts_bm *bm = ts_config_priv(conf); 79 unsigned int i, text_len, consumed = state->offset; 80 const u8 *text; 81 int shift = bm->patlen - 1, bs; 82 const u8 icase = conf->flags & TS_IGNORECASE; 83 84 for (;;) { 85 text_len = conf->get_next_block(consumed, &text, conf, state); 86 87 if (unlikely(text_len == 0)) 88 break; 89 90 while (shift < text_len) { 91 DEBUGP("Searching in position %d (%c)\n", 92 shift, text[shift]); 93 94 if (patmtch(&bm->pattern[bm->patlen-1], &text[shift], 95 bm->patlen, icase)) { 96 /* London calling... */ 97 DEBUGP("found!\n"); 98 return consumed + (shift-(bm->patlen-1)); 99 } 100 > 101 bs = bm->bad_shift[text[shift-i]]; 102 103 /* Now jumping to... */ 104 shift = max_t(int, shift-i+bs, shift+bm->good_shift[i]); 105 } 106 consumed += text_len; 107 } 108 109 return UINT_MAX; 110 } 111 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
