Re: [PATCH 5/9] block: change the refcounting for partitions

[Christoph Hellwig <hch@xxxxxx>]

On Thu, Jul 22, 2021 at 04:41:28PM +0800, Ming Lei wrote:
> >  	device_del(pdev);
> >  out_put:
> >  	put_device(pdev);
> > +out_put_disk:
> > +	put_disk(disk);
> 
> put_disk() is only needed for failure of bdev_alloc(). Once bdev->bd_device
> is initialized, the disk reference will be dropped via part_release().

Indeed.