tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 881007522c8fcc3785c75432dbb149ca1b78e106 commit: a2247f19ee1c5ad75ef095cdfb909a3244b88aa8 block: Add independent access ranges support date: 2 weeks ago config: m68k-randconfig-r036-20211027 (attached as .config) compiler: m68k-linux-gcc (GCC) 11.2.0 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/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout a2247f19ee1c5ad75ef095cdfb909a3244b88aa8 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=m68k 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 warnings (new ones prefixed by >>): vim +119 block/blk-ia-ranges.c 105 106 /** 107 * disk_register_ia_ranges - register with sysfs a set of independent 108 * access ranges 109 * @disk: Target disk 110 * @new_iars: New set of independent access ranges 111 * 112 * Register with sysfs a set of independent access ranges for @disk. 113 * If @new_iars is not NULL, this set of ranges is registered and the old set 114 * specified by q->ia_ranges is unregistered. Otherwise, q->ia_ranges is 115 * registered if it is not already. 116 */ 117 int disk_register_independent_access_ranges(struct gendisk *disk, 118 struct blk_independent_access_ranges *new_iars) 120 struct request_queue *q = disk->queue; 121 struct blk_independent_access_ranges *iars; 122 int i, ret; 123 124 lockdep_assert_held(&q->sysfs_dir_lock); 125 lockdep_assert_held(&q->sysfs_lock); 126 127 /* If a new range set is specified, unregister the old one */ 128 if (new_iars) { 129 if (q->ia_ranges) 130 disk_unregister_independent_access_ranges(disk); 131 q->ia_ranges = new_iars; 132 } 133 134 iars = q->ia_ranges; 135 if (!iars) 136 return 0; 137 138 /* 139 * At this point, iars is the new set of sector access ranges that needs 140 * to be registered with sysfs. 141 */ 142 WARN_ON(iars->sysfs_registered); 143 ret = kobject_init_and_add(&iars->kobj, &blk_ia_ranges_ktype, 144 &q->kobj, "%s", "independent_access_ranges"); 145 if (ret) { 146 q->ia_ranges = NULL; 147 kfree(iars); 148 return ret; 149 } 150 151 for (i = 0; i < iars->nr_ia_ranges; i++) { 152 iars->ia_range[i].queue = q; 153 ret = kobject_init_and_add(&iars->ia_range[i].kobj, 154 &blk_ia_range_ktype, &iars->kobj, 155 "%d", i); 156 if (ret) { 157 while (--i >= 0) 158 kobject_del(&iars->ia_range[i].kobj); 159 kobject_del(&iars->kobj); 160 kobject_put(&iars->kobj); 161 return ret; 162 } 163 } 164 165 iars->sysfs_registered = true; 166 167 return 0; 168 } 169 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org