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| H A D | dm.c | diff e7089f65dd51afeda5eb760506b5950d95f9ec29 Fri Oct 15 18:30:22 CDT 2021 Luis Chamberlain <mcgrof@kernel.org> dm: add add_disk() error handling
We never checked for errors on add_disk() as this function
returned void. Now that this is fixed, use the shiny new
error handling.
There are two calls to dm_setup_md_queue() which can fail then,
one on dm_early_create() and we can easily see that the error path
there calls dm_destroy in the error path. The other use case is on
the ioctl table_load case. If that fails userspace needs to call
the DM_DEV_REMOVE_CMD to cleanup the state - similar to any other
failure.
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/20211015233028.2167651-4-mcgrof@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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