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block: ublk: move ublk_chr_class destroying after devices are removed
[ Upstream commit8e4ff68476
] The 'ublk_chr_class' is needed when deleting ublk char devices in ublk_exit(), so move it after devices(idle) are removed. Fixes the following warning reported by Harris, James R: [ 859.178950] sysfs group 'power' not found for kobject 'ublkc0' [ 859.178962] WARNING: CPU: 3 PID: 1109 at fs/sysfs/group.c:278 sysfs_remove_group+0x9c/0xb0 Reported-by: "Harris, James R" <james.r.harris@intel.com> Fixes:71f28f3136
("ublk_drv: add io_uring based userspace block driver") Link: https://lore.kernel.org/linux-block/Y9JlFmSgDl3+zy3N@T590/T/#t Signed-off-by: Ming Lei <ming.lei@redhat.com> Tested-by: Jim Harris <james.r.harris@intel.com> Link: https://lore.kernel.org/r/20230126115346.263344-1-ming.lei@redhat.com Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 3 additions and 4 deletions
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@ -2092,13 +2092,12 @@ static void __exit ublk_exit(void)
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struct ublk_device *ub;
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int id;
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class_destroy(ublk_chr_class);
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misc_deregister(&ublk_misc);
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idr_for_each_entry(&ublk_index_idr, ub, id)
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ublk_remove(ub);
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class_destroy(ublk_chr_class);
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misc_deregister(&ublk_misc);
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idr_destroy(&ublk_index_idr);
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unregister_chrdev_region(ublk_chr_devt, UBLK_MINORS);
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}
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