batman-adv: fix vlan header access

When batadv_get_vid() is invoked in interface_rx() the
batman-adv header has already been removed, therefore
the header_len argument has to be 0.

Introduced by c018ad3de61a1dc4194879a53e5559e094aa7b1a
("batman-adv: add the VLAN ID attribute to the TT entry")

Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>

diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index 875a702..a8f99d1 100644 (file)
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -351,7 +351,7 @@ void batadv_interface_rx(struct net_device *soft_iface,
         */
        nf_reset(skb);
 
-       vid = batadv_get_vid(skb, hdr_size);
+       vid = batadv_get_vid(skb, 0);
        ethhdr = eth_hdr(skb);
 
        switch (ntohs(ethhdr->h_proto)) {