drivers/s390/net/qeth_l2_main.c: use %pM to shown MAC address

Use the %pM kernel extension to display the MAC address.
Signed-off-by: NH Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/s390/net/qeth_l2_main.c

@@ -486,22 +486,14 @@ static int qeth_l2_send_setmac_cb(struct qeth_card *card,
 		case IPA_RC_L2_DUP_MAC:
 		case IPA_RC_L2_DUP_LAYER3_MAC:
 			dev_warn(&card->gdev->dev,
-				"MAC address "
-				"%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
-				"already exists\n",
-				card->dev->dev_addr[0], card->dev->dev_addr[1],
-				card->dev->dev_addr[2], card->dev->dev_addr[3],
-				card->dev->dev_addr[4], card->dev->dev_addr[5]);
+				"MAC address %pM already exists\n",
+				card->dev->dev_addr);
 			break;
 		case IPA_RC_L2_MAC_NOT_AUTH_BY_HYP:
 		case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP:
 			dev_warn(&card->gdev->dev,
-				"MAC address "
-				"%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
-				"is not authorized\n",
-				card->dev->dev_addr[0], card->dev->dev_addr[1],
-				card->dev->dev_addr[2], card->dev->dev_addr[3],
-				card->dev->dev_addr[4], card->dev->dev_addr[5]);
+				"MAC address %pM is not authorized\n",
+				card->dev->dev_addr);
 			break;
 		default:
 			break;
@@ -512,12 +504,8 @@ static int qeth_l2_send_setmac_cb(struct qeth_card *card,
 		memcpy(card->dev->dev_addr, cmd->data.setdelmac.mac,
 		       OSA_ADDR_LEN);
 		dev_info(&card->gdev->dev,
-			"MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
-			"successfully registered on device %s\n",
-			card->dev->dev_addr[0], card->dev->dev_addr[1],
-			card->dev->dev_addr[2], card->dev->dev_addr[3],
-			card->dev->dev_addr[4], card->dev->dev_addr[5],
-			card->dev->name);
+			"MAC address %pM successfully registered on device %s\n",
+			card->dev->dev_addr, card->dev->name);
 	}
 	return 0;
 }