lan78xx: Return 0 when lan78xx_suspend() has no error.

lan78xx_suspend() may return non-zero from lan78xx_write_reg() in some scenario.
Fix to return 0 when lan78xx_suspend() has no error.
Signed-off-by: NWoojung Huh <woojung.huh@microchip.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/usb/lan78xx.c

@@ -3204,7 +3204,6 @@ int lan78xx_suspend(struct usb_interface *intf, pm_message_t message)
 	int ret;
 	int event;
 
-	ret = 0;
 	event = message.event;
 
 	if (!dev->suspend_count++) {
@@ -3286,6 +3285,7 @@ int lan78xx_suspend(struct usb_interface *intf, pm_message_t message)
 		}
 	}
 
+	ret = 0;
 out:
 	return ret;
 }