Added domain checking to prevent reset failures caused by invalid
domains.
Corrected removal sequence of bus attributes and device.
Reviewed-by: NHarald Freudenberger <freude@linux.vnet.ibm.com>
Signed-off-by: NIngo Tuchscherer <ingo.tuchscherer@linux.vnet.ibm.com>
Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>