tree: https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git 20210817-add-disk-error-handling-next head: 3d00c210d7fd616243af9cf41829f4a56f116ba8 commit: 6e8cedeeaa2d0b259010b0d956020ba8284196ce [1/89] nvme: use blk_mq_alloc_disk config: hexagon-randconfig-r045-20210816 (attached as .config) compiler: clang version 12.0.0 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 20210817-add-disk-error-handling-next git checkout 6e8cedeeaa2d0b259010b0d956020ba8284196ce # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=hexagon 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 >>): if ((ctrl->quirks & NVME_QUIRK_LIGHTNVM) && id->vs[0] == 0x1) { ^~~~~~~~~~~~~~~~~~~ NVME_NS_LIGHTNVM drivers/nvme/host/nvme.h:52:2: note: 'NVME_NS_LIGHTNVM' declared here NVME_NS_LIGHTNVM = 1, ^ if (nvme_nvm_register(ns, disk->disk_name, node)) { ^ drivers/nvme/host/core.c:3761:7: note: did you mean 'nvme_pr_register'? drivers/nvme/host/core.c:1970:12: note: 'nvme_pr_register' declared here static int nvme_pr_register(struct block_device *bdev, u64 old, ^ 2 errors generated. vim +3760 drivers/nvme/host/core.c 3710 3711 static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid, 3712 struct nvme_ns_ids *ids) 3713 { 3714 struct nvme_ns *ns; 3715 struct gendisk *disk; 3716 struct nvme_id_ns *id; 3717 int node = ctrl->numa_node; 3718 3719 if (nvme_identify_ns(ctrl, nsid, ids, &id)) 3720 return; 3721 3722 ns = kzalloc_node(sizeof(*ns), GFP_KERNEL, node); 3723 if (!ns) 3724 goto out_free_id; 3725 3726 disk = blk_mq_alloc_disk(ctrl->tagset, ns); 3727 if (IS_ERR(disk)) 3728 goto out_free_ns; 3729 disk->fops = &nvme_bdev_ops; 3730 disk->private_data = ns; 3731 3732 ns->disk = disk; 3733 ns->queue = disk->queue; 3734 3735 if (ctrl->opts && ctrl->opts->data_digest) 3736 blk_queue_flag_set(QUEUE_FLAG_STABLE_WRITES, ns->queue); 3737 3738 blk_queue_flag_set(QUEUE_FLAG_NONROT, ns->queue); 3739 if (ctrl->ops->flags & NVME_F_PCI_P2PDMA) 3740 blk_queue_flag_set(QUEUE_FLAG_PCI_P2PDMA, ns->queue); 3741 3742 ns->ctrl = ctrl; 3743 kref_init(&ns->kref); 3744 3745 if (nvme_init_ns_head(ns, nsid, ids, id->nmic & NVME_NS_NMIC_SHARED)) 3746 goto out_cleanup_disk; 3747 3748 /* 3749 * Without the multipath code enabled, multiple controller per 3750 * subsystems are visible as devices and thus we cannot use the 3751 * subsystem instance. 3752 */ 3753 if (!nvme_mpath_set_disk_name(ns, disk->disk_name, &disk->flags)) 3754 sprintf(disk->disk_name, "nvme%dn%d", ctrl->instance, 3755 ns->head->instance); 3756 3757 if (nvme_update_ns_info(ns, id)) 3758 goto out_unlink_ns; 3759 3762 dev_warn(ctrl->device, "LightNVM init failure\n"); 3763 goto out_unlink_ns; 3764 } 3765 } 3766 3767 down_write(&ctrl->namespaces_rwsem); 3768 list_add_tail(&ns->list, &ctrl->namespaces); 3769 up_write(&ctrl->namespaces_rwsem); 3770 3771 nvme_get_ctrl(ctrl); 3772 3773 device_add_disk(ctrl->device, ns->disk, nvme_ns_id_attr_groups); 3774 if (!nvme_ns_head_multipath(ns->head)) 3775 nvme_add_ns_cdev(ns); 3776 3777 nvme_mpath_add_disk(ns, id); 3778 nvme_fault_inject_init(&ns->fault_inject, ns->disk->disk_name); 3779 kfree(id); 3780 3781 return; 3782 3783 out_unlink_ns: 3784 mutex_lock(&ctrl->subsys->lock); 3785 list_del_rcu(&ns->siblings); 3786 if (list_empty(&ns->head->list)) 3787 list_del_init(&ns->head->entry); 3788 mutex_unlock(&ctrl->subsys->lock); 3789 nvme_put_ns_head(ns->head); 3790 out_cleanup_disk: 3791 blk_cleanup_disk(disk); 3792 out_free_ns: 3793 kfree(ns); 3794 out_free_id: 3795 kfree(id); 3796 } 3797 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org