ide: fix ide_intr() for non-PCI devices and CONFIG_BLK_DEV_IDEPCI=y

'hwif->pci_dev && !hwif->pci_dev->vendor' condition is never true,
check for 'hwif->chipset != ide_pci' instead.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/ide-io.c

@@ -1487,7 +1487,7 @@ irqreturn_t ide_intr (int irq, void *dev_id)
 		 * remove all the ifdef PCI crap
 		 */
 #ifdef CONFIG_BLK_DEV_IDEPCI
-		if (hwif->pci_dev && !hwif->pci_dev->vendor)
+		if (hwif->chipset != ide_pci)
 #endif	/* CONFIG_BLK_DEV_IDEPCI */
 		{
 			/*