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| author | Antonio Quartulli <ordex@autistici.org> | 2012-10-02 06:14:17 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-13 05:28:06 +0900 |
| commit | 4ea3465a8c4f9aee60d5aee02715f04423d0da01 (patch) | |
| tree | 8d1b594ecbb6ee64b26ca54a2ea5d38361dea8a8 | |
| parent | 1af3bea6c3e3afbc033c2ab5917430d5192c84a3 (diff) | |
| download | lwn-4ea3465a8c4f9aee60d5aee02715f04423d0da01.tar.gz lwn-4ea3465a8c4f9aee60d5aee02715f04423d0da01.zip | |
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>
| -rw-r--r-- | net/8021q/vlan_core.c | 3 |
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: |