On Wed, May 12, 2021 at 05:16:39PM +0200, Hannes Reinecke wrote: > On 5/12/21 8:46 AM, Luis Chamberlain 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. > > > > Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx> > > --- > > drivers/block/null_blk/main.c | 9 +++++++-- > > 1 file changed, 7 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c > > index 5f006d9e1472..2346d1292b26 100644 > > --- a/drivers/block/null_blk/main.c > > +++ b/drivers/block/null_blk/main.c > > @@ -1699,6 +1699,7 @@ static int init_driver_queues(struct nullb *nullb) > > static int null_gendisk_register(struct nullb *nullb) > > { > > + int ret; > > sector_t size = ((sector_t)nullb->dev->size * SZ_1M) >> SECTOR_SHIFT; > > struct gendisk *disk; > > @@ -1719,13 +1720,17 @@ static int null_gendisk_register(struct nullb *nullb) > > strncpy(disk->disk_name, nullb->disk_name, DISK_NAME_LEN); > > if (nullb->dev->zoned) { > > - int ret = null_register_zoned_dev(nullb); > > + ret = null_register_zoned_dev(nullb); > > if (ret) > > return ret; > > } > > - add_disk(disk); > > + ret = add_disk(disk); > > + if (ret) { > > unregister_zoned_device() ? That function does not exist, do you mean null_free_zoned_dev()? If so that is done by the caller. Luis