qede: Don't report link change needlessly

There are several corner cases where driver might get a 2nd notification
about the same link change. Don't log any additional changes if the
physical carrier is already reported as it should.
Signed-off-by: NYuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/qlogic/qede/qede_main.c

@@ -2780,14 +2780,18 @@ static void qede_link_update(void *dev, struct qed_link_output *link)
 	}
 
 	if (link->link_up) {
+		if (!netif_carrier_ok(edev->ndev)) {
 			DP_NOTICE(edev, "Link is up\n");
 			netif_tx_start_all_queues(edev->ndev);
 			netif_carrier_on(edev->ndev);
+		}
 	} else {
+		if (netif_carrier_ok(edev->ndev)) {
 			DP_NOTICE(edev, "Link is down\n");
 			netif_tx_disable(edev->ndev);
 			netif_carrier_off(edev->ndev);
 		}
+	}
 }
 
 static int qede_set_mac_addr(struct net_device *ndev, void *p)