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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)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 22 Mar 2017 11:04:13 +0000 (12:04 +0100)
commit51a219a1371ed26ce45acc8209d6064257d00f70
tree8e506652b280638157cfee584dfafb3fc53521f9
parent0c0be310ba29e4a053e8aac934aebe590c5da909
vxlan: correctly validate VXLAN ID against VXLAN_N_VID

[ Upstream commit 4e37d6911f36545b286d15073f6f2222f840e81c ]

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/net/vxlan.c