diff options
Diffstat (limited to 'drivers/net/ipvlan')
| -rw-r--r-- | drivers/net/ipvlan/ipvlan_main.c | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c index 30cb803e2fe5..2469df118fbf 100644 --- a/drivers/net/ipvlan/ipvlan_main.c +++ b/drivers/net/ipvlan/ipvlan_main.c @@ -850,6 +850,19 @@ static void ipvlan_del_addr6(struct ipvl_dev *ipvlan, struct in6_addr *ip6_addr) return ipvlan_del_addr(ipvlan, ip6_addr, true); } +static bool ipvlan_is_valid_dev(const struct net_device *dev) +{ + struct ipvl_dev *ipvlan = netdev_priv(dev); + + if (!netif_is_ipvlan(dev)) + return false; + + if (!ipvlan || !ipvlan->port) + return false; + + return true; +} + static int ipvlan_addr6_event(struct notifier_block *unused, unsigned long event, void *ptr) { @@ -857,10 +870,7 @@ static int ipvlan_addr6_event(struct notifier_block *unused, struct net_device *dev = (struct net_device *)if6->idev->dev; struct ipvl_dev *ipvlan = netdev_priv(dev); - if (!netif_is_ipvlan(dev)) - return NOTIFY_DONE; - - if (!ipvlan || !ipvlan->port) + if (!ipvlan_is_valid_dev(dev)) return NOTIFY_DONE; switch (event) { @@ -888,10 +898,7 @@ static int ipvlan_addr6_validator_event(struct notifier_block *unused, if (in_softirq()) return NOTIFY_DONE; - if (!netif_is_ipvlan(dev)) - return NOTIFY_DONE; - - if (!ipvlan || !ipvlan->port) + if (!ipvlan_is_valid_dev(dev)) return NOTIFY_DONE; switch (event) { @@ -932,10 +939,7 @@ static int ipvlan_addr4_event(struct notifier_block *unused, struct ipvl_dev *ipvlan = netdev_priv(dev); struct in_addr ip4_addr; - if (!netif_is_ipvlan(dev)) - return NOTIFY_DONE; - - if (!ipvlan || !ipvlan->port) + if (!ipvlan_is_valid_dev(dev)) return NOTIFY_DONE; switch (event) { @@ -961,10 +965,7 @@ static int ipvlan_addr4_validator_event(struct notifier_block *unused, struct net_device *dev = (struct net_device *)ivi->ivi_dev->dev; struct ipvl_dev *ipvlan = netdev_priv(dev); - if (!netif_is_ipvlan(dev)) - return NOTIFY_DONE; - - if (!ipvlan || !ipvlan->port) + if (!ipvlan_is_valid_dev(dev)) return NOTIFY_DONE; switch (event) { |
