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-rw-r--r--net/8021q/vlan.c1
-rw-r--r--net/8021q/vlan.h1
-rw-r--r--net/8021q/vlan_dev.c40
-rw-r--r--net/8021q/vlan_netlink.c19
4 files changed, 17 insertions, 44 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 54728d2eda18..d4bcfd8f95bf 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -172,7 +172,6 @@ int register_vlan_dev(struct net_device *dev, struct netlink_ext_ack *extack)
if (err < 0)
goto out_uninit_mvrp;
- vlan->nest_level = dev_get_nest_level(real_dev) + 1;
err = register_netdevice(dev);
if (err < 0)
goto out_uninit_mvrp;
diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h
index c46daf09a501..bb7ec1a3915d 100644
--- a/net/8021q/vlan.h
+++ b/net/8021q/vlan.h
@@ -126,6 +126,7 @@ int vlan_check_real_dev(struct net_device *real_dev,
void vlan_setup(struct net_device *dev);
int register_vlan_dev(struct net_device *dev, struct netlink_ext_ack *extack);
void unregister_vlan_dev(struct net_device *dev, struct list_head *head);
+void vlan_dev_uninit(struct net_device *dev);
bool vlan_dev_inherit_address(struct net_device *dev,
struct net_device *real_dev);
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 93eadf179123..990b9fde28c6 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -489,36 +489,6 @@ static void vlan_dev_set_rx_mode(struct net_device *vlan_dev)
dev_uc_sync(vlan_dev_priv(vlan_dev)->real_dev, vlan_dev);
}
-/*
- * 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;
-static struct lock_class_key vlan_netdev_addr_lock_key;
-
-static void vlan_dev_set_lockdep_one(struct net_device *dev,
- struct netdev_queue *txq,
- void *_subclass)
-{
- lockdep_set_class_and_subclass(&txq->_xmit_lock,
- &vlan_netdev_xmit_lock_key,
- *(int *)_subclass);
-}
-
-static void vlan_dev_set_lockdep_class(struct net_device *dev, int subclass)
-{
- lockdep_set_class_and_subclass(&dev->addr_list_lock,
- &vlan_netdev_addr_lock_key,
- subclass);
- netdev_for_each_tx_queue(dev, vlan_dev_set_lockdep_one, &subclass);
-}
-
-static int vlan_dev_get_lock_subclass(struct net_device *dev)
-{
- return vlan_dev_priv(dev)->nest_level;
-}
-
static const struct header_ops vlan_header_ops = {
.create = vlan_dev_hard_header,
.parse = eth_header_parse,
@@ -609,8 +579,6 @@ static int vlan_dev_init(struct net_device *dev)
SET_NETDEV_DEVTYPE(dev, &vlan_type);
- vlan_dev_set_lockdep_class(dev, vlan_dev_get_lock_subclass(dev));
-
vlan->vlan_pcpu_stats = netdev_alloc_pcpu_stats(struct vlan_pcpu_stats);
if (!vlan->vlan_pcpu_stats)
return -ENOMEM;
@@ -618,7 +586,8 @@ static int vlan_dev_init(struct net_device *dev)
return 0;
}
-static void vlan_dev_uninit(struct net_device *dev)
+/* Note: this function might be called multiple times for the same device. */
+void vlan_dev_uninit(struct net_device *dev)
{
struct vlan_priority_tci_mapping *pm;
struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
@@ -678,8 +647,8 @@ static int vlan_ethtool_get_ts_info(struct net_device *dev,
const struct ethtool_ops *ops = vlan->real_dev->ethtool_ops;
struct phy_device *phydev = vlan->real_dev->phydev;
- if (phydev && phydev->drv && phydev->drv->ts_info) {
- return phydev->drv->ts_info(phydev, info);
+ if (phy_has_tsinfo(phydev)) {
+ return phy_ts_info(phydev, info);
} else if (ops->get_ts_info) {
return ops->get_ts_info(vlan->real_dev, info);
} else {
@@ -812,7 +781,6 @@ static const struct net_device_ops vlan_netdev_ops = {
.ndo_netpoll_cleanup = vlan_dev_netpoll_cleanup,
#endif
.ndo_fix_features = vlan_dev_fix_features,
- .ndo_get_lock_subclass = vlan_dev_get_lock_subclass,
.ndo_get_iflink = vlan_dev_get_iflink,
};
diff --git a/net/8021q/vlan_netlink.c b/net/8021q/vlan_netlink.c
index c482a6fe9393..0db85aeb119b 100644
--- a/net/8021q/vlan_netlink.c
+++ b/net/8021q/vlan_netlink.c
@@ -108,11 +108,13 @@ static int vlan_changelink(struct net_device *dev, struct nlattr *tb[],
struct ifla_vlan_flags *flags;
struct ifla_vlan_qos_mapping *m;
struct nlattr *attr;
- int rem;
+ int rem, err;
if (data[IFLA_VLAN_FLAGS]) {
flags = nla_data(data[IFLA_VLAN_FLAGS]);
- vlan_dev_change_flags(dev, flags->flags, flags->mask);
+ err = vlan_dev_change_flags(dev, flags->flags, flags->mask);
+ if (err)
+ return err;
}
if (data[IFLA_VLAN_INGRESS_QOS]) {
nla_for_each_nested(attr, data[IFLA_VLAN_INGRESS_QOS], rem) {
@@ -123,7 +125,9 @@ static int vlan_changelink(struct net_device *dev, struct nlattr *tb[],
if (data[IFLA_VLAN_EGRESS_QOS]) {
nla_for_each_nested(attr, data[IFLA_VLAN_EGRESS_QOS], rem) {
m = nla_data(attr);
- vlan_dev_set_egress_priority(dev, m->from, m->to);
+ err = vlan_dev_set_egress_priority(dev, m->from, m->to);
+ if (err)
+ return err;
}
}
return 0;
@@ -179,10 +183,11 @@ static int vlan_newlink(struct net *src_net, struct net_device *dev,
return -EINVAL;
err = vlan_changelink(dev, tb, data, extack);
- if (err < 0)
- return err;
-
- return register_vlan_dev(dev, extack);
+ if (!err)
+ err = register_vlan_dev(dev, extack);
+ if (err)
+ vlan_dev_uninit(dev);
+ return err;
}
static inline size_t vlan_qos_map_size(unsigned int n)
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