# Re: \[PATCH 20/30\] nullb: use blk\_mq\_alloc\_disk

- From: Christoph Hellwig \<hch@lst.de\>
- Date: 2021-06-08 05:39:14 
- List: virtualization
- Page: https://ratatoskr.run/virtualization/2021/06/6403200
- Thread: https://ratatoskr.run/linux-block/2021/06/6403111/t.md

```text
On Thu, Jun 03, 2021 at 12:10:09AM +0000, Chaitanya Kulkarni wrote:
> > diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c
> > index d8e098f1e5b5..74fb2ec63219 100644
> > --- a/drivers/block/null_blk/main.c
> > +++ b/drivers/block/null_blk/main.c
> > @@ -1851,13 +1851,12 @@ static int null_add_dev(struct nullb_device *dev)
> >  
> >  		rv = -ENOMEM;
> 
> Is above initialization needed ?

It isn't strictly required any more.
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