vxlan: correctly validate VXLAN ID against VXLAN_N_VID
authorMatthias Schiffer <mschiffer@universe-factory.net>
Thu, 23 Feb 2017 16:19:41 +0000 (17:19 +0100)
committerDavid S. Miller <davem@davemloft.net>
Fri, 24 Feb 2017 16:42:55 +0000 (11:42 -0500)
commit4e37d6911f36545b286d15073f6f2222f840e81c
tree4139f508e0ceca2b96802686c7eb4683d1cfa8da
parent681a55d71799b575f46fe94121728cf67460d1c3
vxlan: correctly validate VXLAN ID against VXLAN_N_VID

The incorrect check caused an off-by-one error: the maximum VID 0xffffff
was unusable.

Fixes: d342894c5d2f ("vxlan: virtual extensible lan")
Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
Acked-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/vxlan.c