1 files changed, 20 insertions, 0 deletions

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 1d26d6700c1d..e1ccefce9a9d 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -625,6 +625,23 @@ static void bond_set_dev_addr(struct net_device *bond_dev,
         call_netdevice_notifiers(NETDEV_CHANGEADDR, bond_dev);
 }
 
+static struct slave *bond_get_old_active(struct bonding *bond,
+                                         struct slave *new_active)
+{
+        struct slave *slave;
+        struct list_head *iter;
+
+        bond_for_each_slave(bond, slave, iter) {
+                if (slave == new_active)
+                        continue;
+
+                if (ether_addr_equal(bond->dev->dev_addr, slave->dev->dev_addr))
+                        return slave;
+        }
+
+        return NULL;
+}
+
 /* bond_do_fail_over_mac
  *
  * Perform special MAC address swapping for fail_over_mac settings
@@ -652,6 +669,9 @@ static void bond_do_fail_over_mac(struct bonding *bond,
                 if (!new_active)
                         return;
 
+                if (!old_active)
+                        old_active = bond_get_old_active(bond, new_active);
+
                 if (old_active) {
                         ether_addr_copy(tmp_mac, new_active->dev->dev_addr);
                         ether_addr_copy(saddr.sa_data,