diff --git a/drivers/usb/host/imx21-hcd.c b/drivers/usb/host/imx21-hcd.c
index dd132eb7fee71ee0b2caff13cb17a7b4724a8969..1dfb2c8f7707af024a344ede58c835e09c5f069e 100644
--- a/drivers/usb/host/imx21-hcd.c
+++ b/drivers/usb/host/imx21-hcd.c
@@ -1906,7 +1906,7 @@ static int imx21_probe(struct platform_device *pdev)
 failed_clock_get:
 	iounmap(imx21->regs);
 failed_ioremap:
-	release_mem_region(res->start, res->end - res->start);
+	release_mem_region(res->start, resource_size(res));
 failed_request_mem:
 	remove_debug_files(imx21);
 	usb_put_hcd(hcd);