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From: Dan Williams <dan.j.williams@intel.com>
Date: Tue, 30 Jul 2019 14:38:24 -0700
Message-ID: <CAPcyv4i10K3QdSwa3EF9t8pS-QrB9YcBEMy49N1PnYQzCkBJCw@mail.gmail.com>
Subject: Re: dm: fix dax_dev NULL dereference
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To: Mike Snitzer <snitzer@redhat.com>
Cc: linux-nvdimm <linux-nvdimm@lists.01.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, device-mapper development <dm-devel@redhat.com>, linux-fsdevel <linux-fsdevel@vger.kernel.org>, Alasdair Kergon <agk@redhat.com>
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On Tue, Jul 30, 2019 at 12:07 PM Mike Snitzer <snitzer@redhat.com> wrote:
>
> I staged the fix (which I tweaked) here:
> https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git/commit/?h=dm-5.3&id=95b9ebb78c4c733f8912a195fbd0bc19960e726e

Thanks for picking this up Mike, but I'd prefer to just teach
dax_synchronous() to return false if the passed in dax_dev is NULL.
Thoughts?
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