On Tue, May 28, 2013 at 11:40:32AM -0400, Daniel De Graaf wrote:
> This is a complete rewrite of the Xen TPM frontend driver, taking
> advantage of a simplified frontend/backend interface and adding support
> for cancellation and timeouts. The backend for this driver is provided
> by a vTPM stub domain using the interface in Xen 4.3.
>
> Signed-off-by: Daniel De Graaf <dgde...@tycho.nsa.gov>
> Acked-by: Matthew Fioravante <matthew.fiorava...@jhuapl.edu>
.. snip..
> +static void ring_free(struct tpm_private *priv)
> +{
> + if (!priv)
> + return;
> +
> + if (priv->ring_ref)
> + gnttab_end_foreign_access(priv->ring_ref, 0,
> + (unsigned long)priv->shr);
> + else
> + free_page((unsigned long)priv->shr);
> +
> + if (priv->chip && priv->chip->vendor.irq)
> + unbind_from_irqhandler(priv->chip->vendor.irq, priv);
You are missing:
if (priv->evtchn != INVALID_EVTCHN)
xenbus_free_evtchn(priv->xdev, priv->evtchn);
> +
> + kfree(priv);
> +}
> +
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