staging: mt7621-pci-phy: prevent use of uninitialized variable

Do not use uninitialized variable 'port' when printing an error message
Signed-off-by: Antti Keränen <detegr@gmail.com>
Reviewed-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/mt7621-pci-phy/pci-mt7621-phy.c

@@ -331,7 +331,7 @@ static int mt7621_pci_phy_probe(struct platform_device *pdev)
 
 	ret = of_address_to_resource(np, 0, &res);
 	if (ret) {
-		dev_err(dev, "failed to get address resource(id-%d)\n", port);
+		dev_err(dev, "failed to get address resource\n");
 		return ret;
 	}