[PATCH xf86-input-libinput] Ensure parent devices are actual parent devices

[Keith Packard]

Peter Hutterer <peter.hutterer at who-t.net> writes:

> The list returned by xf86FirstLocalDevice() includes our own device. If the
> parent device is removed before the hotplug callback is invoked, the first
> match with the same shared-device ID is our own device (or potentially another
> subdevice on the same already-removed parent). Avoid this by making sure the
> matched device is actually a parent device.
>
> Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>

Tested-by: Keith Packard <keithp at keithp.com>

-- 
-keith
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