diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index 5d47c59..0821747 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -1724,9 +1724,7 @@
 		sba_dev->chip_resv.start = PCI_F_EXTEND | 0xfef00000UL;
 		sba_dev->chip_resv.end   = PCI_F_EXTEND | (0xff000000UL - 1) ;
 		err = request_resource(&iomem_resource, &(sba_dev->chip_resv));
-		if (err < 0) {
-			BUG();
-		}
+		BUG_ON(err < 0);
 
 	} else if (IS_PLUTO(sba_dev->iodc)) {
 		int err;
@@ -2185,8 +2183,7 @@
 	int i;
 	int rope = (pci_hba->hw_path & (ROPES_PER_IOC-1));  /* rope # */
 
-	if ((t!=HPHW_IOA) && (t!=HPHW_BCPORT))
-		BUG();
+	BUG_ON((t!=HPHW_IOA) && (t!=HPHW_BCPORT));
 
 	r->start = r->end = 0;
 
@@ -2228,8 +2225,7 @@
 	int base, size;
 	int rope = (pci_hba->hw_path & (ROPES_PER_IOC-1));  /* rope # */
 
-	if ((t!=HPHW_IOA) && (t!=HPHW_BCPORT))
-		BUG();
+	BUG_ON((t!=HPHW_IOA) && (t!=HPHW_BCPORT));
 
 	r->start = r->end = 0;
 
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();