Re: [PATCH v3 07/11] iio: core: Add new DMABUF interface infrastructure

[Lars-Peter Clausen]

On 4/4/23 00:55, Paul Cercueil wrote:
> [...]
> > > +       priv = attach->importer_priv;
> > > +       list_del_init(&priv->entry);
> > > +
> > > +       iio_buffer_dmabuf_put(attach);
> > > +       iio_buffer_dmabuf_put(attach);
> > > +
> > Is this intended? Looks suspicious...
> It is intended, yes. You want to release the dma_buf_attachment that's
> created in iio_buffer_attach_dmabuf(), and you need to call
> iio_buffer_find_attachment() to get a pointer to it, which also gets a
> second reference - so it needs to unref twice.
Let's add a comment documenting that.