On 02/09/2017 09:40 AM, Jan Beulich wrote:
On 09.02.17 at 15:17, <paul.durr...@citrix.com> wrote:
The code goes so far as to set the default return code to -ENOSYS but
then overrides this to -EINVAL in the switch() statement's default
case.
If you already change this, isn't -ENOTTY the traditional way of
indicating unsupported ioctls?
In fact, a while ago David submitted a patch to do just that:
https://lists.xenproject.org/archives/html/xen-devel/2016-08/msg00744.html
but it never went anywhere.
My question is whether anyone might be relying on current error return
behavior.
-boris
