diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
index 56d3f697e0c7f0a05d8044a37f954c8d536f1c0a..17651c7796803f555fd8efecb65359ed72c13e1c 100644
--- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
+++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
@@ -2540,7 +2540,7 @@ static int atl1c_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	}
 	if (atl1c_read_mac_addr(&adapter->hw)) {
 		/* got a random MAC address, set NET_ADDR_RANDOM to netdev */
-		netdev->addr_assign_type |= NET_ADDR_RANDOM;
+		netdev->addr_assign_type = NET_ADDR_RANDOM;
 	}
 	memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len);
 	memcpy(netdev->perm_addr, adapter->hw.mac_addr, netdev->addr_len);
diff --git a/drivers/net/ethernet/atheros/atlx/atl1.c b/drivers/net/ethernet/atheros/atlx/atl1.c
index 71b3d7daa21d06c70e4b62732c91b04137342c64..5b0d9931c720f9beb3f21b721527d01c98781960 100644
--- a/drivers/net/ethernet/atheros/atlx/atl1.c
+++ b/drivers/net/ethernet/atheros/atlx/atl1.c
@@ -3053,7 +3053,7 @@ static int atl1_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	/* copy the MAC address out of the EEPROM */
 	if (atl1_read_mac_addr(&adapter->hw)) {
 		/* mark random mac */
-		netdev->addr_assign_type |= NET_ADDR_RANDOM;
+		netdev->addr_assign_type = NET_ADDR_RANDOM;
 	}
 	memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len);
 
diff --git a/drivers/net/ethernet/ethoc.c b/drivers/net/ethernet/ethoc.c
index 8db1c06008de16107ba5475580a696f04a5d745a..f380bb7653dd33f818dfe23c0d15b65338b30249 100644
--- a/drivers/net/ethernet/ethoc.c
+++ b/drivers/net/ethernet/ethoc.c
@@ -1068,7 +1068,7 @@ static int ethoc_probe(struct platform_device *pdev)
 	}
 
 	if (random_mac)
-		netdev->addr_assign_type |= NET_ADDR_RANDOM;
+		netdev->addr_assign_type = NET_ADDR_RANDOM;
 
 	/* register MII bus */
 	priv->mdio = mdiobus_alloc();
diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c
index c124e67a1a1ca72599d8fe81f449f32f69480f4f..cd3d2c09cdd0b10f797e822ba689da7327690461 100644
--- a/drivers/net/ethernet/lantiq_etop.c
+++ b/drivers/net/ethernet/lantiq_etop.c
@@ -655,7 +655,7 @@ ltq_etop_init(struct net_device *dev)
 
 	/* Set addr_assign_type here, ltq_etop_set_mac_address would reset it. */
 	if (random_mac)
-		dev->addr_assign_type |= NET_ADDR_RANDOM;
+		dev->addr_assign_type = NET_ADDR_RANDOM;
 
 	ltq_etop_set_multicast_list(dev);
 	err = ltq_etop_mdio_init(dev);
diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h
index 243eea1e33d8021b685f46a736e726c74e083a22..1a43e1b4f7ad21574229dde092bf296705a41953 100644
--- a/include/linux/etherdevice.h
+++ b/include/linux/etherdevice.h
@@ -192,7 +192,7 @@ static inline void eth_zero_addr(u8 *addr)
  */
 static inline void eth_hw_addr_random(struct net_device *dev)
 {
-	dev->addr_assign_type |= NET_ADDR_RANDOM;
+	dev->addr_assign_type = NET_ADDR_RANDOM;
 	eth_random_addr(dev->dev_addr);
 }