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: Woojung Huh <woojung.huh@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index d2a5f3f..226668e 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -3204,7 +3204,6 @@
 	int ret;
 	int event;
 
-	ret = 0;
 	event = message.event;
 
 	if (!dev->suspend_count++) {
@@ -3286,6 +3285,7 @@
 		}
 	}
 
+	ret = 0;
 out:
 	return ret;
 }