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path: root/drivers/net/macvlan.c
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Diffstat (limited to 'drivers/net/macvlan.c')
-rw-r--r--drivers/net/macvlan.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 563aed5b3d9f..6a6cc9f75307 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -860,6 +860,8 @@ static int macvlan_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
* "super class" of normal network devices; split their locks off into a
* separate class since they always nest.
*/
+static struct lock_class_key macvlan_netdev_addr_lock_key;
+
#define ALWAYS_ON_OFFLOADS \
(NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_GSO_SOFTWARE | \
NETIF_F_GSO_ROBUST | NETIF_F_GSO_ENCAP_ALL)
@@ -875,6 +877,14 @@ static int macvlan_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
#define MACVLAN_STATE_MASK \
((1<<__LINK_STATE_NOCARRIER) | (1<<__LINK_STATE_DORMANT))
+static void macvlan_set_lockdep_class(struct net_device *dev)
+{
+ netdev_lockdep_set_classes(dev);
+ lockdep_set_class_and_subclass(&dev->addr_list_lock,
+ &macvlan_netdev_addr_lock_key,
+ dev->lower_level);
+}
+
static int macvlan_init(struct net_device *dev)
{
struct macvlan_dev *vlan = netdev_priv(dev);
@@ -892,8 +902,7 @@ static int macvlan_init(struct net_device *dev)
dev->gso_max_size = lowerdev->gso_max_size;
dev->gso_max_segs = lowerdev->gso_max_segs;
dev->hard_header_len = lowerdev->hard_header_len;
-
- netdev_lockdep_set_classes(dev);
+ macvlan_set_lockdep_class(dev);
vlan->pcpu_stats = netdev_alloc_pcpu_stats(struct vlan_pcpu_stats);
if (!vlan->pcpu_stats)