tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 1870cdc0e8dee32e3c221704a2977898ba4c10e8 commit: 3ce485803da1b79b2692b6d0c2792829292ad838 [9546/11394] mtd: ubi: provide NVMEM layer over UBI volumes config: mips-randconfig-r113-20240302 (https://download.01.org/0day-ci/archive/20240302/202403020803.FQFeCxpT-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 325f51237252e6dab8e4e1ea1fa7acbb4faee1cd) reproduce: (https://download.01.org/0day-ci/archive/20240302/202403020803.FQFeCxpT-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/202403020803.FQFeCxpT-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/mtd/ubi/nvmem.c:34:16: sparse: sparse: incompatible types in comparison expression (different type sizes): drivers/mtd/ubi/nvmem.c:34:16: sparse: int * drivers/mtd/ubi/nvmem.c:34:16: sparse: unsigned long long [usertype] * drivers/mtd/ubi/nvmem.c:34:16: sparse: sparse: shift too big (32) for type int drivers/mtd/ubi/nvmem.c: note: in included file (through drivers/mtd/ubi/ubi.h): include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true vim +34 drivers/mtd/ubi/nvmem.c 22 23 static int ubi_nvmem_reg_read(void *priv, unsigned int from, 24 void *val, size_t bytes) 25 { 26 int err = 0, lnum = from, offs, bytes_left = bytes, to_read; 27 struct ubi_nvmem *unv = priv; 28 struct ubi_volume_desc *desc; 29 30 desc = ubi_open_volume(unv->ubi_num, unv->vol_id, UBI_READONLY); 31 if (IS_ERR(desc)) 32 return PTR_ERR(desc); 33 > 34 offs = do_div(lnum, unv->usable_leb_size); 35 while (bytes_left) { 36 to_read = unv->usable_leb_size - offs; 37 38 if (to_read > bytes_left) 39 to_read = bytes_left; 40 41 err = ubi_read(desc, lnum, val, offs, to_read); 42 if (err) 43 break; 44 45 lnum += 1; 46 offs = 0; 47 bytes_left -= to_read; 48 val += to_read; 49 } 50 ubi_close_volume(desc); 51 52 if (err) 53 return err; 54 55 return bytes_left == 0 ? 0 : -EIO; 56 } 57 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
