3.0-stable review patch.  If anyone has any objections, please let me know.

------------------


From: Antonio Quartulli <or...@autistici.org>

[ Upstream commit 5316cf9a5197eb80b2800e1acadde287924ca975 ]

skb_reset_mac_len() relies on the value of the skb->network_header pointer,
therefore we must wait for such pointer to be recalculated before computing
the new mac_len value.

Signed-off-by: Antonio Quartulli <or...@autistici.org>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 net/8021q/vlan_core.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -106,7 +106,6 @@ static struct sk_buff *vlan_reorder_head
                return NULL;
        memmove(skb->data - ETH_HLEN, skb->data - VLAN_ETH_HLEN, 2 * ETH_ALEN);
        skb->mac_header += VLAN_HLEN;
-       skb_reset_mac_len(skb);
        return skb;
 }
 
@@ -173,6 +172,8 @@ struct sk_buff *vlan_untag(struct sk_buf
 
        skb_reset_network_header(skb);
        skb_reset_transport_header(skb);
+       skb_reset_mac_len(skb);
+
        return skb;
 
 err_free:


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