diff --git a/drivers/tty/serial/vt8500_serial.c b/drivers/tty/serial/vt8500_serial.c
index 205d4cf4a063..4354fe565f64 100644
--- a/drivers/tty/serial/vt8500_serial.c
+++ b/drivers/tty/serial/vt8500_serial.c
@@ -567,10 +567,6 @@ static int __devinit vt8500_serial_probe(struct platform_device *pdev)
 	if (!mmres || !irqres)
 		return -ENODEV;
 
-	vt8500_port = kzalloc(sizeof(struct vt8500_port), GFP_KERNEL);
-	if (!vt8500_port)
-		return -ENOMEM;
-
 	if (np)
 		port = of_alias_get_id(np, "serial");
 		if (port > VT8500_MAX_PORTS)
@@ -593,6 +589,10 @@ static int __devinit vt8500_serial_probe(struct platform_device *pdev)
 		return -EBUSY;
 	}
 
+	vt8500_port = kzalloc(sizeof(struct vt8500_port), GFP_KERNEL);
+	if (!vt8500_port)
+		return -ENOMEM;
+
 	vt8500_port->uart.type = PORT_VT8500;
 	vt8500_port->uart.iotype = UPIO_MEM;
 	vt8500_port->uart.mapbase = mmres->start;