tree: https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git 20210708-block-fixes-v2 head: db0174e39de7dc941f158ce53ee3af95b1635b62 commit: 9a3284fe5f9c6d8eb4f86f92329edcdb5921c8f8 [19/89] z2ram: add error handling support for add_disk() config: m68k-allmodconfig (attached as .config) compiler: m68k-linux-gcc (GCC) 10.3.0 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 # https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git/com... git remote add mcgrof-next https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git git fetch --no-tags mcgrof-next 20210708-block-fixes-v2 git checkout 9a3284fe5f9c6d8eb4f86f92329edcdb5921c8f8 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=m68k 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 >>): drivers/block/z2ram.c: In function 'z2ram_register_disk': 339 | blk_cleaup_disk(disk); | ^~~~~~~~~~~~~~~ | blk_cleanup_disk cc1: some warnings being treated as errors vim +339 drivers/block/z2ram.c 317 318 static int z2ram_register_disk(int minor) 319 { 320 struct gendisk *disk; 321 int err; 322 323 disk = blk_mq_alloc_disk(&tag_set, NULL); 324 if (IS_ERR(disk)) 325 return PTR_ERR(disk); 326 327 disk->major = Z2RAM_MAJOR; 328 disk->first_minor = minor; 329 disk->minors = 1; 330 disk->fops = &z2_fops; 331 if (minor) 332 sprintf(disk->disk_name, "z2ram%d", minor); 333 else 334 sprintf(disk->disk_name, "z2ram"); 335 336 z2ram_gendisk[minor] = disk; 337 err = add_disk(disk); 338 if (err) 340 return err; 341 } 342 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org