On 02/09/2021 19:41, 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/s390/block/dasd_genhd.c | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > > diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c > index fa966e0db6ca..ba07022283bc 100644 > --- a/drivers/s390/block/dasd_genhd.c > +++ b/drivers/s390/block/dasd_genhd.c > @@ -33,7 +33,7 @@ int dasd_gendisk_alloc(struct dasd_block *block) > { > struct gendisk *gdp; > struct dasd_device *base; > - int len; > + int len, rc; > > /* Make sure the minor for this device exists. */ > base = block->base; > @@ -79,7 +79,11 @@ int dasd_gendisk_alloc(struct dasd_block *block) > dasd_add_link_to_gendisk(gdp, base); > block->gdp = gdp; > set_capacity(block->gdp, 0); > - device_add_disk(&base->cdev->dev, block->gdp, NULL); > + > + rc = device_add_disk(&base->cdev->dev, block->gdp, NULL); > + if (rc) > + return rc; > + I think, just like with some of the other changes, there is some cleanup required before returning. I'll prepare a patch and come back to you. > return 0; > } > >