From: Arnd Bergmann <arnd@arndb.de>
Date: Tue, 30 Jul 2019 21:50:28 +0200

Each of these drivers has a copy of the same trivial helper function to
convert the pointer argument and then call the native ioctl handler.

We now have a generic implementation of that, so use it.

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Jarkko Sakkinen <redacted>
Reviewed-by: Jason Gunthorpe <redacted>
Reviewed-by: Jiri Kosina <redacted>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

I assume this has to go via your series, thus:

Acked-by: David S. Miller <davem@davemloft.net>