diff options
| author |   Stephen Hemminger <sthemmin@microsoft.com> | 2016-09-22 16:56:31 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-09-23 08:39:49 -0400 |
| commit | ee837a137304290a1ae26980c73a367f7afef54f (patch) | |
| tree | 52985b2475a4c966d8d6ca3a1193920f6a030d55 /drivers/net/hyperv | |
| parent | hv_netvsc: dev hold/put reference to VF (diff) | |
| download | linux-dev-ee837a137304290a1ae26980c73a367f7afef54f.tar.xz linux-dev-ee837a137304290a1ae26980c73a367f7afef54f.zip | |
hv_netvsc: simplify callback event code
The callback handler for netlink events can be simplified:
* Consolidate check for netlink callback events about this driver itself.
* Ignore non-Ethernet devices.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/hyperv')
| -rw-r--r-- | drivers/net/hyperv/netvsc_drv.c | 28 |
1 files changed, 10 insertions, 18 deletions
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index e74dbcc2916d..849b566ad7bf 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -1238,10 +1238,6 @@ static int netvsc_register_vf(struct net_device *vf_netdev) struct net_device *ndev; struct net_device_context *net_device_ctx; struct netvsc_device *netvsc_dev; - const struct ethtool_ops *eth_ops = vf_netdev->ethtool_ops; - - if (eth_ops == NULL || eth_ops == ðtool_ops) - return NOTIFY_DONE; /* * We will use the MAC address to locate the synthetic interface to @@ -1286,12 +1282,8 @@ static int netvsc_vf_up(struct net_device *vf_netdev) { struct net_device *ndev; struct netvsc_device *netvsc_dev; - const struct ethtool_ops *eth_ops = vf_netdev->ethtool_ops; struct net_device_context *net_device_ctx; - if (eth_ops == ðtool_ops) - return NOTIFY_DONE; - ndev = get_netvsc_net_device(vf_netdev->dev_addr); if (!ndev) return NOTIFY_DONE; @@ -1329,10 +1321,6 @@ static int netvsc_vf_down(struct net_device *vf_netdev) struct net_device *ndev; struct netvsc_device *netvsc_dev; struct net_device_context *net_device_ctx; - const struct ethtool_ops *eth_ops = vf_netdev->ethtool_ops; - - if (eth_ops == ðtool_ops) - return NOTIFY_DONE; ndev = get_netvsc_net_device(vf_netdev->dev_addr); if (!ndev) @@ -1361,12 +1349,8 @@ static int netvsc_unregister_vf(struct net_device *vf_netdev) { struct net_device *ndev; struct netvsc_device *netvsc_dev; - const struct ethtool_ops *eth_ops = vf_netdev->ethtool_ops; struct net_device_context *net_device_ctx; - if (eth_ops == ðtool_ops) - return NOTIFY_DONE; - ndev = get_netvsc_net_device(vf_netdev->dev_addr); if (!ndev) return NOTIFY_DONE; @@ -1542,13 +1526,21 @@ static int netvsc_netdev_event(struct notifier_block *this, { struct net_device *event_dev = netdev_notifier_info_to_dev(ptr); + /* Skip our own events */ + if (event_dev->netdev_ops == &device_ops) + return NOTIFY_DONE; + + /* Avoid non-Ethernet type devices */ + if (event_dev->type != ARPHRD_ETHER) + return NOTIFY_DONE; + /* Avoid Vlan dev with same MAC registering as VF */ if (event_dev->priv_flags & IFF_802_1Q_VLAN) return NOTIFY_DONE; /* Avoid Bonding master dev with same MAC registering as VF */ - if (event_dev->priv_flags & IFF_BONDING && - event_dev->flags & IFF_MASTER) + if ((event_dev->priv_flags & IFF_BONDING) && + (event_dev->flags & IFF_MASTER)) return NOTIFY_DONE; switch (event) { |