diff options
Diffstat (limited to 'drivers/net/macvlan.c')
| -rw-r--r-- | drivers/net/macvlan.c | 35 |
1 files changed, 30 insertions, 5 deletions
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index c36a03ae9bf..42394505bb5 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -20,7 +20,7 @@ #include <linux/errno.h> #include <linux/slab.h> #include <linux/string.h> -#include <linux/list.h> +#include <linux/rculist.h> #include <linux/notifier.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> @@ -189,12 +189,20 @@ static int macvlan_open(struct net_device *dev) err = dev_unicast_add(lowerdev, dev->dev_addr, ETH_ALEN); if (err < 0) - return err; - if (dev->flags & IFF_ALLMULTI) - dev_set_allmulti(lowerdev, 1); + goto out; + if (dev->flags & IFF_ALLMULTI) { + err = dev_set_allmulti(lowerdev, 1); + if (err < 0) + goto del_unicast; + } hlist_add_head_rcu(&vlan->hlist, &port->vlan_hash[dev->dev_addr[5]]); return 0; + +del_unicast: + dev_unicast_delete(lowerdev, dev->dev_addr, ETH_ALEN); +out: + return err; } static int macvlan_stop(struct net_device *dev) @@ -268,6 +276,7 @@ static int macvlan_change_mtu(struct net_device *dev, int new_mtu) * separate class since they always nest. */ static struct lock_class_key macvlan_netdev_xmit_lock_key; +static struct lock_class_key macvlan_netdev_addr_lock_key; #define MACVLAN_FEATURES \ (NETIF_F_SG | NETIF_F_ALL_CSUM | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | \ @@ -277,6 +286,21 @@ static struct lock_class_key macvlan_netdev_xmit_lock_key; #define MACVLAN_STATE_MASK \ ((1<<__LINK_STATE_NOCARRIER) | (1<<__LINK_STATE_DORMANT)) +static void macvlan_set_lockdep_class_one(struct net_device *dev, + struct netdev_queue *txq, + void *_unused) +{ + lockdep_set_class(&txq->_xmit_lock, + &macvlan_netdev_xmit_lock_key); +} + +static void macvlan_set_lockdep_class(struct net_device *dev) +{ + lockdep_set_class(&dev->addr_list_lock, + &macvlan_netdev_addr_lock_key); + netdev_for_each_tx_queue(dev, macvlan_set_lockdep_class_one, NULL); +} + static int macvlan_init(struct net_device *dev) { struct macvlan_dev *vlan = netdev_priv(dev); @@ -287,7 +311,8 @@ static int macvlan_init(struct net_device *dev) dev->features = lowerdev->features & MACVLAN_FEATURES; dev->iflink = lowerdev->ifindex; - lockdep_set_class(&dev->_xmit_lock, &macvlan_netdev_xmit_lock_key); + macvlan_set_lockdep_class(dev); + return 0; } |