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From: Greg KH <greg@kroah.com>
To: Juergen Gross <jgross@suse.com>
Cc: stable@vger.kernel.org, xen-devel@lists.xenproject.org
Subject: Re: [PATCH] xen/blkfront: fix bug in backported patch
Date: Thu, 23 Dec 2021 11:57:57 +0100	[thread overview]
Message-ID: <YcRWNWtraLXt9W8v@kroah.com> (raw)
In-Reply-To: <20211223105308.17077-1-jgross@suse.com>

On Thu, Dec 23, 2021 at 11:53:08AM +0100, Juergen Gross wrote:
> The backport of commit 8f5a695d99000fc ("xen/blkfront: don't take local
> copy of a request from the ring page") to stable 4.4 kernel introduced
> a bug when adding the needed blkif_ring_get_request() function, as
> info->ring.req_prod_pvt was incremented twice now.
> 
> Fix that be deleting the now superfluous increments after calling that
> function.
> 
> Signed-off-by: Juergen Gross <jgross@suse.com>
> ---
>  drivers/block/xen-blkfront.c | 4 ----
>  1 file changed, 4 deletions(-)

So this is only needed in 4.4.y?  No other backports were incorrect?

thanks,

greg k-h

  reply	other threads:[~2021-12-23 10:58 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-23 10:53 [PATCH] xen/blkfront: fix bug in backported patch Juergen Gross
2021-12-23 10:57 ` Greg KH [this message]
2021-12-23 13:40   ` Juergen Gross
2021-12-27 12:43     ` Greg KH

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