From: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Date: Tue, 13 Jun 2017 22:45:11 +0800
Subject: macvlan: propagate the mac address change status for lowerdev
Patch-mainline: v4.13-rc1
Git-commit: a88e2676a6cd3352c2f590f872233d83d8db289c
References: bsc#1109837

The macvlan dev should propagate the return value of mac address change for
lower device in the passthru mode, instead of always return 0.

Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/macvlan.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -749,8 +749,7 @@ static int macvlan_set_mac_address(struc
 
 	if (vlan->mode == MACVLAN_MODE_PASSTHRU) {
 		macvlan_set_addr_change(vlan->port);
-		dev_set_mac_address(vlan->lowerdev, addr);
-		return 0;
+		return dev_set_mac_address(vlan->lowerdev, addr);
 	}
 
 	return macvlan_sync_address(dev, addr->sa_data);