diff options
| -rw-r--r-- | net/batman-adv/routing.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c index 7ed9d8f9291..4c6467db881 100644 --- a/net/batman-adv/routing.c +++ b/net/batman-adv/routing.c @@ -916,8 +916,9 @@ static int check_unicast_ttvn(struct bat_priv *bat_priv, /* Check whether I have to reroute the packet */ if (seq_before(unicast_packet->ttvn, curr_ttvn) || tt_poss_change) { - /* Linearize the skb before accessing it */ - if (skb_linearize(skb) < 0) + /* check if there is enough data before accessing it */ + if (pskb_may_pull(skb, sizeof(struct unicast_packet) + + ETH_HLEN) < 0) return 0; ethhdr = (struct ethhdr *)(skb->data + |