tree eed24deb0ef1ca001b21a84a02c39a1727c59bcd
parent bc44b78157f621ff2a2618fe287a827bcb094ac4
author Matthias Schiffer <mschiffer@universe-factory.net> 1521196150 +0100
committer Simon Wunderlich <sw@simonwunderlich.de> 1521228228 +0100

batman-adv: fix header size check in batadv_dbg_arp()

Checking for 0 is insufficient: when an SKB without a batadv header, but
with a VLAN header is received, hdr_size will be 4, making the following
code interpret the Ethernet header as a batadv header.

Fixes: be1db4f6615b ("batman-adv: make the Distributed ARP Table vlan aware")
Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>