Re: [PATCH/RFC v2 net-next] ravb: unmap descriptors when freeing rings

[Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>]

On 01/12/2017 04:23 PM, Lino Sanfilippo wrote:

> > > > +
> > > > +    for (; priv->cur_tx[q] - priv->dirty_tx[q] > 0; priv->dirty_tx[q]++) {
>
> BTW: How can this work correctly when cur_tx wraps and dirty_tx is greater?

   {cur|dirty}_tx never wrap.

> Regards,
> Lino

MBR, Sergei