Network core refuses to change mac address because flag
IFF_LIVE_ADDR_CHANGE isn't set. Set this missing flag.

Fixes: 1f7aa2bc268e ("r8169: simplify rtl_set_mac_address")
Reported-by: Corinna Vinschen <vinsc...@redhat.com>
Signed-off-by: Heiner Kallweit <hkallwe...@gmail.com>
---
 drivers/net/ethernet/realtek/r8169.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/realtek/r8169.c 
b/drivers/net/ethernet/realtek/r8169.c
index f80ac894..a390db27 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -7607,6 +7607,7 @@ static int rtl_init_one(struct pci_dev *pdev, const 
struct pci_device_id *ent)
                NETIF_F_HW_VLAN_CTAG_RX;
        dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
                NETIF_F_HIGHDMA;
+       dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
 
        tp->cp_cmd |= RxChkSum | RxVlan;
 
-- 
2.18.0

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