geneve: maximum value of VNI cannot be used

Geneve's Virtual Network Identifier (VNI) is 24 bit long, so the range
of values for it would be from 0 to 16777215 (2^24 -1).  However, one
cannot create a geneve device with VNI set to 16777215. This patch fixes
this issue.

Signed-off-by: Girish Moodalbail <girish.moodalbail@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index de8156c6b2925741534a45a6c3a28a3afe9d1ad6..2bbda71818adb022853964dd6d51a14c26f7cd19 100644 (file)
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -1091,7 +1091,7 @@ static int geneve_validate(struct nlattr *tb[], struct nlattr *data[],
        if (data[IFLA_GENEVE_ID]) {
                __u32 vni =  nla_get_u32(data[IFLA_GENEVE_ID]);
 
-               if (vni >= GENEVE_VID_MASK)
+               if (vni >= GENEVE_N_VID)
                        return -ERANGE;
        }