tree: https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git 20210708-block-fixes-v2 head: db0174e39de7dc941f158ce53ee3af95b1635b62 commit: 85a77f9a18059a794aa2e33a13f52b73f20dbb08 [32/89] paride/pd: add a registered bool config: arm-randconfig-r003-20210715 (attached as .config) compiler: arm-linux-gnueabi-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 85a77f9a18059a794aa2e33a13f52b73f20dbb08 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash 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/paride/pd.c: In function 'pd_exit': 1018 | if (p->registered) | ^~ vim +1018 drivers/block/paride/pd.c 1008 1009 static void __exit pd_exit(void) 1010 { 1011 struct pd_unit *disk; 1012 int unit; 1013 unregister_blkdev(major, name); 1014 for (unit = 0, disk = pd; unit < PD_UNITS; unit++, disk++) { 1015 struct gendisk *p = disk->gd; 1016 if (p) { 1017 disk->gd = NULL; 1019 del_gendisk(p); 1020 blk_cleanup_disk(p); 1021 blk_mq_free_tag_set(&disk->tag_set); 1022 pi_release(disk->pi); 1023 } 1024 } 1025 } 1026 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org