USB: Fix cut-and-paste error in rtl8150.c

Signed-off-by: Robert P. J. Day <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/net/usb/rtl8150.c

···
 		return 0;
 	}
 	dev->ctrl_urb = usb_alloc_urb(0, GFP_KERNEL);
-	if (!dev->intr_urb) {
+	if (!dev->ctrl_urb) {
 		usb_free_urb(dev->rx_urb);
 		usb_free_urb(dev->tx_urb);
 		usb_free_urb(dev->intr_urb);