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Subject[patch 50/60] VLAN: Fix nested VLAN transmit bug

2.6.23-stable review patch. If anyone has any objections, please let us
know.

------------------
From: Joonwoo Park <joonwpark81@gmail.com>
[VLAN]: Fix nested VLAN transmit bug

[ Upstream commit: 6ab3b487db77fa98a24560f11a5a8e744b98d877 ]

Fix misbehavior of vlan_dev_hard_start_xmit() for recursive encapsulations.

Signed-off-by: Joonwoo Park <joonwpark81@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
net/8021q/vlan_dev.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -459,7 +459,8 @@ int vlan_dev_hard_start_xmit(struct sk_b
* OTHER THINGS LIKE FDDI/TokenRing/802.3 SNAPs...
*/

- if (veth->h_vlan_proto != htons(ETH_P_8021Q)) {
+ if (veth->h_vlan_proto != htons(ETH_P_8021Q) ||
+ VLAN_DEV_INFO(dev)->flags & VLAN_FLAG_REORDER_HDR) {
int orig_headroom = skb_headroom(skb);
unsigned short veth_TCI;

--


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