On Mon, Sep 27 2021 at 5:59P -0400, Luis Chamberlain <mcgrof@xxxxxxxxxx> wrote: > 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@xxxxxxx> > Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx> Reviewed-by: Mike Snitzer <snitzer@xxxxxxxxxx>