Re: [PATCH 06/10] mmc/core/block: add error handling support for add_disk()

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On Fri, Aug 27, 2021 at 11:42:36AM -0700, Luis Chamberlain wrote:
> > >  	if (area_type == MMC_BLK_DATA_AREA_MAIN)
> > >  		dev_set_drvdata(&card->dev, md);
> > > -	device_add_disk(md->parent, md->disk, mmc_disk_attr_groups);
> > > +	ret = device_add_disk(md->parent, md->disk, mmc_disk_attr_groups);
> > > +	if (ret)
> > > +		goto out;
> > 
> > This needs to do a blk_cleanup_queue and also te kfree of md.
> 
> If mmc_blk_alloc_parts() fails mmc_blk_remove_req() is called which
> does both for us?

Yes, but only for the main gendisk, and those parts already added to
the list which happens after device_add_disk succeeded.



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