}
}
+/*
+ * vlan 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 vlan_netdev_xmit_lock_key;
+
+
/* Attach a VLAN device to a mac address (ie Ethernet Card).
* Returns the device that was created, or NULL if there was
* an error of some kind.
new_dev = alloc_netdev(sizeof(struct vlan_dev_info), name,
vlan_setup);
+
if (new_dev == NULL)
goto out_unlock;
new_dev->state = (real_dev->state & ((1<<__LINK_STATE_NOCARRIER) |
(1<<__LINK_STATE_DORMANT))) |
- (1<<__LINK_STATE_PRESENT);
+ (1<<__LINK_STATE_PRESENT);
/* need 4 bytes for extra VLAN header info,
* hope the underlying device can handle it.
if (register_netdevice(new_dev))
goto out_free_newdev;
+ lockdep_set_class(&new_dev->_xmit_lock, &vlan_netdev_xmit_lock_key);
+
new_dev->iflink = real_dev->ifindex;
vlan_transfer_operstate(real_dev, new_dev);
linkwatch_fire_event(new_dev); /* _MUST_ call rfc2863_policy() */
* so it cannot "appear" on us.
*/
if (!grp) { /* need to add a new group */
- grp = kmalloc(sizeof(struct vlan_group), GFP_KERNEL);
+ grp = kzalloc(sizeof(struct vlan_group), GFP_KERNEL);
if (!grp)
goto out_free_unregister;
/* printk(KERN_ALERT "VLAN REGISTER: Allocated new group.\n"); */
- memset(grp, 0, sizeof(struct vlan_group));
grp->real_dev_ifindex = real_dev->ifindex;
hlist_add_head_rcu(&grp->hlist,