vxlan: fix a free after use

pskb_may_pull maybe change skb->data and make eth pointer oboslete, so eth needs to reload Fixes: 91269e3 ("vxlan: using pskb_may_pull as early as possible") Cc: Eric Dumazet <[email protected]> Signed-off-by: Li RongQing <[email protected]> Signed-off-by: David S. Miller <[email protected]>
vincehsu · Oct 17, 2014 · 7a9f526 · 7a9f526
1 parent 389f489
commit 7a9f526
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
@@ -1887,6 +1887,7 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev)
 				    msg->icmph.icmp6_type == NDISC_NEIGHBOUR_SOLICITATION)
 					return neigh_reduce(dev, skb);
 		}
+		eth = eth_hdr(skb);
 #endif
 	}