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net: ipvlan: call netdev_lockdep_set_classes()

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In case a qdisc is used on a ipvlan device, we need to use different
lockdep classes to avoid false positives.

Use the new netdev_lockdep_set_classes() generic helper.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2016-06-09 07:45:15 -07:00 committed by David S. Miller
parent 24ffd75200
commit 0d7dd798fd
1 changed files with 1 additions and 21 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

22
drivers/net/ipvlan/ipvlan_main.c
View file

@ -80,13 +80,6 @@ static void ipvlan_port_destroy(struct net_device *dev)
kfree_rcu(port, rcu);
}
/* ipvlan network devices have devices nesting below it and are a special
* "super class" of normal network devices; split their locks off into a
* separate class since they always nest.
*/
static struct lock_class_key ipvlan_netdev_xmit_lock_key;
static struct lock_class_key ipvlan_netdev_addr_lock_key;
#define IPVLAN_FEATURES \
(NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | \
NETIF_F_GSO | NETIF_F_TSO | NETIF_F_UFO | NETIF_F_GSO_ROBUST | \
@ -96,19 +89,6 @@ static struct lock_class_key ipvlan_netdev_addr_lock_key;
#define IPVLAN_STATE_MASK \
((1<<__LINK_STATE_NOCARRIER) | (1<<__LINK_STATE_DORMANT))
static void ipvlan_set_lockdep_class_one(struct net_device *dev,
struct netdev_queue *txq,
void *_unused)
{
lockdep_set_class(&txq->_xmit_lock, &ipvlan_netdev_xmit_lock_key);
}
static void ipvlan_set_lockdep_class(struct net_device *dev)
{
lockdep_set_class(&dev->addr_list_lock, &ipvlan_netdev_addr_lock_key);
netdev_for_each_tx_queue(dev, ipvlan_set_lockdep_class_one, NULL);
}
static int ipvlan_init(struct net_device *dev)
{
struct ipvl_dev *ipvlan = netdev_priv(dev);
@ -123,7 +103,7 @@ static int ipvlan_init(struct net_device *dev)
dev->gso_max_segs = phy_dev->gso_max_segs;
dev->hard_header_len = phy_dev->hard_header_len;
ipvlan_set_lockdep_class(dev);
netdev_lockdep_set_classes(dev);
ipvlan->pcpu_stats = alloc_percpu(struct ipvl_pcpu_stats);
if (!ipvlan->pcpu_stats)