1 files changed, 3 insertions, 2 deletions

diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index 7ed9d8f92916..4c6467db881c 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 +