commit99e5cde5eaupstream. Make sure to drop any device reference taken by vio_find_node() when adding and removing virtual I/O slots. Fixes:5eeb8c63a3("[PATCH] PCI Hotplug: rpaphp: Move VIO registration") Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>