Re: [PATCH 2/2] vhost: disentangle vring endianness stuff from the core code

From: Cornelia Huck
Date: Wed Feb 10 2016 - 08:25:04 EST


On Wed, 10 Feb 2016 14:08:43 +0100
Greg Kurz <gkurz@xxxxxxxxxxxxxxxxxx> wrote:

> But you are right, there is a bug: we should rollback if vhost_init_used()
> fails. Something like below:
>
> err_used:
> vq->private_data = oldsock;
> vhost_net_enable_vq(n, vq);
> + vhost_adjust_vring_endian(vq);

Shouldn't we switch back before we reenable? Or have I lost myself in
this maze here again?

> if (ubufs)
> vhost_net_ubuf_put_wait_and_free(ubufs);
> err_ubufs: