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authorHaiyang Zhang <haiyangz@microsoft.com>2016-06-02 12:02:04 -0700
committerDavid S. Miller <davem@davemloft.net>2016-06-03 19:40:05 -0400
commitcb2911fed61497e4d0383355f1c865fcdaa94061 (patch)
tree03e81c6785930c522848dc4bb9b8e1da501e497b /drivers/net/hyperv
parentdb54275dffb28b0b19596a6418419930f58332a0 (diff)
hv_netvsc: Fix VF register on vlan devices
Added a condition to avoid vlan devices with same MAC registering as VF. Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Reviewed-by: K. Y. Srinivasan <kys@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.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 6a69b5cc9fe2..5ac1267b393f 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -1500,6 +1500,10 @@ static int netvsc_netdev_event(struct notifier_block *this,
{
struct net_device *event_dev = netdev_notifier_info_to_dev(ptr);
+ /* Avoid Vlan dev with same MAC registering as VF */
+ if (event_dev->priv_flags & IFF_802_1Q_VLAN)
+ return NOTIFY_DONE;
+
switch (event) {
case NETDEV_REGISTER:
return netvsc_register_vf(event_dev);