[PATCH 4.4 133/210] net: mvneta: enable change MAC address when interface is up

From: Greg Kroah-Hartman
Date: Sun Apr 10 2016 - 15:52:38 EST


4.4-stable review patch. If anyone has any objections, please let me know.

------------------

From: Dmitri Epshtein <dima@xxxxxxxxxxx>

commit 928b6519afeb2a5e2dc61154380b545ed66c476a upstream.

Function eth_prepare_mac_addr_change() is called as part of MAC
address change. This function check if interface is running.
To enable change MAC address when interface is running:
IFF_LIVE_ADDR_CHANGE flag must be set to dev->priv_flags field

Fixes: c5aff18204da ("net: mvneta: driver for Marvell Armada 370/XP
network unit")
Signed-off-by: Dmitri Epshtein <dima@xxxxxxxxxxx>
Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/net/ethernet/marvell/mvneta.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -3404,7 +3404,7 @@ static int mvneta_probe(struct platform_
dev->features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO;
dev->hw_features |= dev->features;
dev->vlan_features |= dev->features;
- dev->priv_flags |= IFF_UNICAST_FLT;
+ dev->priv_flags |= IFF_UNICAST_FLT | IFF_LIVE_ADDR_CHANGE;
dev->gso_max_segs = MVNETA_MAX_TSO_SEGS;

err = register_netdev(dev);