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authorAntonio Quartulli <ordex@autistici.org>2012-10-02 06:14:17 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-10-13 05:28:06 +0900
commit4ea3465a8c4f9aee60d5aee02715f04423d0da01 (patch)
tree8d1b594ecbb6ee64b26ca54a2ea5d38361dea8a8 /net
parent1af3bea6c3e3afbc033c2ab5917430d5192c84a3 (diff)
8021q: fix mac_len recomputation in vlan_untag()
[ 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 <ordex@autistici.org> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net')
-rw-r--r--net/8021q/vlan_core.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 27263fb15642..c177f9e97639 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -106,7 +106,6 @@ static struct sk_buff *vlan_reorder_header(struct sk_buff *skb)
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_buff *skb)
skb_reset_network_header(skb);
skb_reset_transport_header(skb);
+ skb_reset_mac_len(skb);
+
return skb;
err_free: