summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/net/macvlan.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 67bf7ebae5c6..de214fbda173 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -703,6 +703,10 @@ static int macvlan_set_mac_address(struct net_device *dev, void *p)
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
+ /* If the addresses are the same, this is a no-op */
+ if (ether_addr_equal(dev->dev_addr, addr->sa_data))
+ return 0;
+
if (vlan->mode == MACVLAN_MODE_PASSTHRU) {
dev_set_mac_address(vlan->lowerdev, addr);
return 0;