Re: [PATCH] xen/blkfront: fix bug in backported patch

[Juergen Gross <jgross@xxxxxxxx>]

On 23.12.21 11:57, Greg KH wrote:
> 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@xxxxxxxx>
> > ---
> >   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?
Yes. 4.4 only.


Juergen

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