From: Matthias Schiffer <mschiffer@xxxxxxxxxxxxxxxxxxxx> commit 4e37d6911f36545b286d15073f6f2222f840e81c upstream. 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@xxxxxxxxxxxxxxxxxxxx> Acked-by: Jiri Benc <jbenc@xxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Willy Tarreau <w@xxxxxx> --- drivers/net/vxlan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index a1dc186..8912ba8 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -1386,7 +1386,7 @@ static int vxlan_validate(struct nlattr *tb[], struct nlattr *data[]) if (data[IFLA_VXLAN_ID]) { __u32 id = nla_get_u32(data[IFLA_VXLAN_ID]); - if (id >= VXLAN_VID_MASK) + if (id >= VXLAN_N_VID) return -ERANGE; } -- 2.8.0.rc2.1.gbe9624a