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[PATCH net-next] hv_netvsc: Fix VF register on vlan devices

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  [PATCH net-next] hv_netvsc: Fix VF register on vlan devices Haiyang Zhang <haiyangz@microsoft.com> - 2016-06-02 19:30 +0200
    Re: [PATCH net-next] hv_netvsc: Fix VF register on vlan devices David Miller <davem@davemloft.net> - 2016-06-04 01:50 +0200

#1412446 — [PATCH net-next] 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>
---
 drivers/net/hyperv/netvsc_drv.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 6a69b5c..5ac1267 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);
-- 
1.7.4.1

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#1413588

From: Haiyang Zhang <haiyangz@microsoft.com>
Date: Thu,  2 Jun 2016 12:02:04 -0700

> 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>

Applied.

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