BUG_ON() Conversion in drivers/parisc/

this changes if() BUG(); constructs to BUG_ON() which is
cleaner, contains unlikely() and can better optimized away.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/drivers/parisc/superio.c b/drivers/parisc/superio.c
index ba971fe..ad6d3b2 100644
--- a/drivers/parisc/superio.c
+++ b/drivers/parisc/superio.c
@@ -157,8 +157,8 @@
         if (sio->suckyio_irq_enabled)                                       
 		return;
 
-	if (!pdev) BUG();
-	if (!sio->usb_pdev) BUG();
+	BUG_ON(!pdev);
+	BUG_ON(!sio->usb_pdev);
 
 	/* use the IRQ iosapic found for USB INT D... */
 	pdev->irq = sio->usb_pdev->irq;
@@ -474,8 +474,7 @@
 		dev->subsystem_vendor, dev->subsystem_device,
 		dev->class);
 
-	if (!sio->suckyio_irq_enabled)
-		BUG(); /* Enabled by PCI_FIXUP_FINAL */
+	BUG_ON(!sio->suckyio_irq_enabled);	/* Enabled by PCI_FIXUP_FINAL */
 
 	if (dev->device == PCI_DEVICE_ID_NS_87560_LIO) {	/* Function 1 */
 		superio_parport_init();