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| author | Girish Moodalbail <girish.moodalbail@oracle.com> | 2017-08-08 17:26:24 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-08-09 22:41:04 -0700 |
| commit | 04db70d9fe7019d96118158fbaaccb4959ba2bd4 (patch) | |
| tree | 079dc7bc10a82f031ba3212dd68ff05bbae2b35d | |
| parent | 50ddfbafcd1e1f95185dfaa4ad794f742b0beaf8 (diff) | |
| download | op-kernel-dev-04db70d9fe7019d96118158fbaaccb4959ba2bd4.zip op-kernel-dev-04db70d9fe7019d96118158fbaaccb4959ba2bd4.tar.gz | |
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>
| -rw-r--r-- | drivers/net/geneve.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index de8156c..2bbda71 100644 --- 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; } |
