From: Matthias Schiffer <[email protected]>

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 <[email protected]>
Acked-by: Jiri Benc <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Willy Tarreau <[email protected]>
---
 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

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