This is the second series of driver conversions for add_disk() error handling. You can find this set and the rest of the 7th set of driver conversions on my 20210927-for-axboe-add-disk-error-handling branch [0]. Changes on this v2 since the last first version of this patch series: - rebased onto linux-next tag 20210927 - nvme-multipath: used test_and_set_bit() as suggested by Keith Busch, and justified this in the code with a comment as this race was not obvious - Added reviewed-by / Acked-by tags where one was provided [0] https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git/log/?h=20210927-for-axboe-add-disk-error-handling Luis Chamberlain (10): block/brd: add error handling support for add_disk() bcache: add error handling support for add_disk() nvme-multipath: add error handling support for add_disk() nvdimm/btt: do not call del_gendisk() if not needed nvdimm/btt: use goto error labels on btt_blk_init() nvdimm/btt: add error handling support for add_disk() nvdimm/blk: avoid calling del_gendisk() on early failures nvdimm/blk: add error handling support for add_disk() xen-blkfront: add error handling support for add_disk() zram: add error handling support for add_disk() drivers/block/brd.c | 10 ++++++++-- drivers/block/xen-blkfront.c | 8 +++++++- drivers/block/zram/zram_drv.c | 6 +++++- drivers/md/bcache/super.c | 17 ++++++++++++----- drivers/nvdimm/blk.c | 21 +++++++++++++++------ drivers/nvdimm/btt.c | 24 +++++++++++++++--------- drivers/nvme/host/multipath.c | 13 +++++++++++-- 7 files changed, 73 insertions(+), 26 deletions(-) -- 2.30.2