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Fix the VLAN_TAG_PRESENT in netvsc_recv_callback() 

We should call __vlan_hwaccel_put_tag() only if the packet
comes from vlan, otherwise VLAN_TAG_PRESENT will always be
added.

Reported-by: Olaf Hering <olaf@aepfle.de>
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>
This commit is contained in:
Haiyang Zhang 2013-06-17 15:36:49 -07:00 committed by David S. Miller
parent 7aa2723841
commit 93725cbd22
1 changed files with 3 additions and 1 deletions
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4
drivers/net/hyperv/netvsc_drv.c
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@ -285,7 +285,9 @@ int netvsc_recv_callback(struct hv_device *device_obj,
skb->protocol = eth_type_trans(skb, net); skb->protocol = eth_type_trans(skb, net);
skb->ip_summed = CHECKSUM_NONE; skb->ip_summed = CHECKSUM_NONE;
__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), packet->vlan_tci); if (packet->vlan_tci & VLAN_TAG_PRESENT)
__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
packet->vlan_tci);
net->stats.rx_packets++; net->stats.rx_packets++;
net->stats.rx_bytes += packet->total_data_buflen; net->stats.rx_bytes += packet->total_data_buflen;