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Merge tag 'batman-adv-fix-for-davem' of git://git.open-mesh.org/linux-merge

Browse Source 
Included changes:
- fix Ethernet header access by jumping the correct batman-adv header

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2013-04-25 01:33:04 -04:00
parent 093162553c dd981ab091
commit c510273a6c
1 changed files with 5 additions and 6 deletions
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11
net/batman-adv/routing.c
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@@ -924,7 +924,7 @@ batadv_reroute_unicast_packet(struct batadv_priv *bat_priv,
}
static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
struct sk_buff *skb) {
struct sk_buff *skb, int hdr_len) {
uint8_t curr_ttvn, old_ttvn;
struct batadv_orig_node *orig_node;
struct ethhdr *ethhdr;
@@ -933,7 +933,7 @@ static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
int is_old_ttvn;
/* check if there is enough data before accessing it */
if (pskb_may_pull(skb, sizeof(*unicast_packet) + ETH_HLEN) < 0)
if (pskb_may_pull(skb, hdr_len + ETH_HLEN) < 0)
return 0;
/* create a copy of the skb (in case of for re-routing) to modify it. */
@@ -941,7 +941,7 @@ static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
return 0;
unicast_packet = (struct batadv_unicast_packet *)skb->data;
ethhdr = (struct ethhdr *)(skb->data + sizeof(*unicast_packet));
ethhdr = (struct ethhdr *)(skb->data + hdr_len);
/* check if the destination client was served by this node and it is now
* roaming. In this case, it means that the node has got a ROAM_ADV
@@ -1048,8 +1048,7 @@ int batadv_recv_unicast_packet(struct sk_buff *skb,
if (batadv_check_unicast_packet(bat_priv, skb, hdr_size) < 0)
return NET_RX_DROP;
if (!batadv_check_unicast_ttvn(bat_priv, skb))
if (!batadv_check_unicast_ttvn(bat_priv, skb, hdr_size))
return NET_RX_DROP;
/* packet for me */
@@ -1093,7 +1092,7 @@ int batadv_recv_ucast_frag_packet(struct sk_buff *skb,
if (batadv_check_unicast_packet(bat_priv, skb, hdr_size) < 0)
return NET_RX_DROP;
if (!batadv_check_unicast_ttvn(bat_priv, skb))
if (!batadv_check_unicast_ttvn(bat_priv, skb, hdr_size))
return NET_RX_DROP;
unicast_packet = (struct batadv_unicast_frag_packet *)skb->data;