tree 069ad0802e58b2e5e56f7e76c394bc13b40e81eb
parent f9094b7603c011d27db7ba109e69881c72fa611d
author Gao Feng <gfree.wind@vip.163.com> 1511408831 +0800
committer David S. Miller <davem@davemloft.net> 1511462222 +0900

ipvlan: Fix insufficient skb linear check for arp

In the function ipvlan_get_L3_hdr, current codes use pskb_may_pull to
make sure the skb header has enough linear room for arp header. But it
would access the arp payload in func ipvlan_addr_lookup. So it still may
access the unepxected memory.

Now use arp_hdr_len(port->dev) instead of the arp header as the param.

Signed-off-by: Gao Feng <gfree.wind@vip.163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>