diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/8021q/vlan.h | 1 | ||||
| -rw-r--r-- | net/8021q/vlan_dev.c | 3 | ||||
| -rw-r--r-- | net/8021q/vlan_netlink.c | 9 |
3 files changed, 8 insertions, 5 deletions
diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h index 0e7afdf86127..235bed825e3a 100644 --- a/net/8021q/vlan.h +++ b/net/8021q/vlan.h @@ -110,6 +110,7 @@ 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); 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 ac4c93c999b0..ed3717dc2d20 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -610,7 +610,8 @@ 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); diff --git a/net/8021q/vlan_netlink.c b/net/8021q/vlan_netlink.c index ef7e18a27719..fdf39dd5e755 100644 --- a/net/8021q/vlan_netlink.c +++ b/net/8021q/vlan_netlink.c @@ -161,10 +161,11 @@ 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); + if (!err) + err = register_vlan_dev(dev); + if (err) + vlan_dev_uninit(dev); + return err; } static inline size_t vlan_qos_map_size(unsigned int n) |