diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index ba5c4639ea91..fd0365219181 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -609,6 +609,7 @@ struct net_device
 	unsigned char		addr_len;	/* hardware address length	*/
 	unsigned short          dev_id;		/* for shared network cards */
 
+	spinlock_t		addr_list_lock;
 	struct dev_addr_list	*uc_list;	/* Secondary unicast mac addresses */
 	int			uc_count;	/* Number of installed ucasts	*/
 	int			uc_promisc;
diff --git a/net/core/dev.c b/net/core/dev.c
index feaab4898a5b..d933d1bfa6fa 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3836,6 +3836,7 @@ int register_netdevice(struct net_device *dev)
 	BUG_ON(!dev_net(dev));
 	net = dev_net(dev);
 
+	spin_lock_init(&dev->addr_list_lock);
 	netdev_init_queue_locks(dev);
 
 	dev->iflink = -1;