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macvlan: propagate the mac address change status for lowerdev 

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>
This commit is contained in:
Zhang Shengju 2017-06-13 22:45:11 +08:00 committed by David S. Miller
parent 55ce889f96
commit a88e2676a6
1 changed files with 2 additions and 4 deletions
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6
drivers/net/macvlan.c
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@ -703,10 +703,8 @@ static int macvlan_set_mac_address(struct net_device *dev, void *p)
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
if (vlan->mode == MACVLAN_MODE_PASSTHRU) {
dev_set_mac_address(vlan->lowerdev, addr);
return 0;
}
if (vlan->mode == MACVLAN_MODE_PASSTHRU)
return dev_set_mac_address(vlan->lowerdev, addr);
return macvlan_sync_address(dev, addr->sa_data);
}