usb: xhci: remove unnecessary return in xhci_pci_setup()

Remove the unnecessary return line in xhci_pci_setup().
Signed-off-by: NLu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: NMathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/xhci-pci.c

@@ -242,11 +242,7 @@ static int xhci_pci_setup(struct usb_hcd *hcd)
 	xhci_dbg(xhci, "Got SBRN %u\n", (unsigned int) xhci->sbrn);
 
 	/* Find any debug ports */
-	retval = xhci_pci_reinit(xhci, pdev);
-	if (!retval)
-		return retval;
-
-	return retval;
+	return xhci_pci_reinit(xhci, pdev);
 }
 
 /*