diff --git a/drivers/usb/host/ohci-sm501.c b/drivers/usb/host/ohci-sm501.c
index cff2363..041d30f 100644
--- a/drivers/usb/host/ohci-sm501.c
+++ b/drivers/usb/host/ohci-sm501.c
@@ -168,7 +168,7 @@
 
 	retval = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED);
 	if (retval)
-		goto err4;
+		goto err5;
 
 	/* enable power and unmask interrupts */
 
@@ -176,6 +176,8 @@
 	sm501_modify_reg(dev->parent, SM501_IRQ_MASK, 1 << 6, 0);
 
 	return 0;
+err5:
+	iounmap(hcd->regs);
 err4:
 	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
 err3: