tree: https://github.com/norov/linux bitmap-20220204 head: 6be3158022466595db078b4091472d0541e04bdc commit: 8bca8c2ba1a83d9ebf601431dab6c4ab05d9ca27 [10/48] qed: rework qed_rdma_bmap_free() config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20220209/202202092311.nsDv5MPD-lk...) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project e8bff9ae54a55b4dbfeb6ba55f723abbd81bf494) 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://github.com/norov/linux/commit/8bca8c2ba1a83d9ebf601431dab6c4ab05d... git remote add norov https://github.com/norov/linux git fetch --no-tags norov bitmap-20220204 git checkout 8bca8c2ba1a83d9ebf601431dab6c4ab05d9ca27 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/net/ethernet/qlogic/qed/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): for (idx = 0; idx < bmap->max_count; idx += 512) { ^ drivers/net/ethernet/qlogic/qed/qed_rdma.c:332:16: error: use of undeclared identifier 'idx' for (idx = 0; idx < bmap->max_count; idx += 512) { ^ drivers/net/ethernet/qlogic/qed/qed_rdma.c:332:39: error: use of undeclared identifier 'idx' for (idx = 0; idx < bmap->max_count; idx += 512) { ^ drivers/net/ethernet/qlogic/qed/qed_rdma.c:333:37: error: use of undeclared identifier 'idx' b = bmap->bitmap + BITS_TO_LONGS(idx); ^ drivers/net/ethernet/qlogic/qed/qed_rdma.c:334:33: error: use of undeclared identifier 'idx' nbits = min(bmap->max_count - idx, 512); ^ drivers/net/ethernet/qlogic/qed/qed_rdma.c:334:33: error: use of undeclared identifier 'idx' drivers/net/ethernet/qlogic/qed/qed_rdma.c:338:30: error: use of undeclared identifier 'idx' "line 0x%04x: %*pb\n", idx / 512, nbits, b); ^ 7 errors generated. vim +/idx +332 drivers/net/ethernet/qlogic/qed/qed_rdma.c 318 319 void qed_rdma_bmap_free(struct qed_hwfn *p_hwfn, 320 struct qed_bmap *bmap, bool check) 321 { 322 unsigned int pos, weight, nbits; 323 unsigned long *b; 324 325 if (!check || !(weight = bitmap_weight(bmap->bitmap, bmap->max_count))) 326 goto end; 327 328 DP_NOTICE(p_hwfn, 329 "%s bitmap not free - size=%d, weight=%d, 512 bits per line\n", 330 bmap->name, bmap->max_count, weight); 331 333 b = bmap->bitmap + BITS_TO_LONGS(idx); 334 nbits = min(bmap->max_count - idx, 512); 335 336 if (!bitmap_empty(b, nbits)) 337 DP_NOTICE(p_hwfn, 338 "line 0x%04x: %*pb\n", idx / 512, nbits, b); 339 } 340 341 end: 342 kfree(bmap->bitmap); 343 bmap->bitmap = NULL; 344 } 345 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org