lnierkiewicz <bzolnier@gmail.com> 1201903776 +0100

ide: prepare init_irq() for using ide_remove_port_from_hwgroup()

* BUG_ON() early if 'hwif->next == hwif' and there is a 'match' hwgroup.

* Remove printk() for impossible condition and add a BUG_ON(hwgroup->drive)
  to match code in ide_unregister().

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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