[dm-devel] dm-crypt: Fix parsing of extended IV arguments.

[Mike Snitzer]

On Thu, Jan 10 2019 at  2:50pm -0500,
Milan Broz <gmazyland at gmail.com> wrote:

> On 10/01/2019 20:18, Mike Snitzer wrote:
> > On Wed, Jan 09 2019 at  5:57am -0500,
> > Milan Broz <gmazyland at gmail.com> wrote:
> 
> >> This patch fixes the dm-crypt constructor to ignore additional dash in IV options and also removes
> >> bogus warning (that is ignored anyway).
> >>
> >> [This patch should go into stable tree as well.]
> > 
> > Rather than this it'd be useful to just be more explicit, e.g.:
> 
> There is no single reference commit.
> 
> The new capi: was introduced in
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/md/dm-crypt.c?id=33d2f09fcb357fd1861c4959d1d3505492bf91f8
> 
> but I think the second part applies even to older kernel, but not sure it makes sense to fix it there (I guess not)...
> 
> So perhaps the best is to apply it to stable kernel >= 4.12

OK, now staged, I tweaked your header though because (like your email
reply) it was lacking proper wrapping.

See: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git/commit/?h=dm-5.0&id=1856b9f7bcc8e9bdcccc360aabb56fbd4dd6c565

Thanks,
Mike