[PATCH] dma-buf: use parameter structure for dma_buf_attach

[Daniel Vetter]

On Mon, Mar 26, 2018 at 12:47:01PM +0200, Christian König wrote:
> Am 26.03.2018 um 10:36 schrieb Daniel Vetter:
> > On Sun, Mar 25, 2018 at 01:34:51PM +0200, Christian König wrote:
> [SNIP]
> > > -	attach->dev = dev;
> > > +	attach->dev = info->dev;
> > >   	attach->dmabuf = dmabuf;
> > > +	attach->priv = info->priv;
> > The ->priv field is for the exporter, not the importer. See e.g.
> > drm_gem_map_attach. You can't let the importer set this now too, so needs
> > to be removed from the info struct.
> 
> Crap, in this case I need to add an importer_priv field because we now need
> to map from the attachment to it's importer object as well.
> 
> Thanks for noticing this.

Maybe add the importer_priv field only in the series that actually adds
it, not in this prep patch. You can mention all the fields you need here
in the commit message for justification.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch