linux-kernel - Re: [PATCH 4.4 50/53] ntb_transport: fix qp count bug

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Message-ID: <20170928081438.GA9376@kroah.com>
Date:   Thu, 28 Sep 2017 10:14:38 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Logan Gunthorpe <logang@...tatee.com>
Cc:     Ben Hutchings <ben.hutchings@...ethink.co.uk>,
        Shyam Sundar S K <ssundark@....com>,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Allen Hubbe <Allen.Hubbe@...l.com>,
        Jon Mason <jdmason@...zu.us>
Subject: Re: [PATCH 4.4 50/53] ntb_transport: fix qp count bug

On Wed, Sep 27, 2017 at 09:57:22AM -0600, Logan Gunthorpe wrote:
> 
> 
> On 27/09/17 02:40 AM, Greg Kroah-Hartman wrote:
> > On Tue, Sep 26, 2017 at 11:35:04AM -0600, Logan Gunthorpe wrote:
> > > 
> > > 
> > > On 26/09/17 10:32 AM, Ben Hutchings wrote:
> > > > In 4.4-stable, it doesn't, so this patch doesn't fix anything.  It looks
> > > > like 4.4 would need a backport of:
> > > 
> > > Yup, look like the Fixes tag should have been b17faba0 instead of cb827ee.
> > > In which case it doesn't apply to 4.4.
> > 
> > Ah, should this be reverted then from 4.4?
> 
> It probably doesn't matter. The patch changes mw_count to nt->mw_count, but
> in 4.4 these values are exactly the same. So the patch shouldn't hurt
> anything but it also didn't fix anything.

Ok, I'll leave it as-is, thanks for letting me know.

greg k-h