[PATCH net] mlx4: Return EOPNOTSUPP instead of ENOTSUPP

[Martin KaFai Lau]

In commit b45f0674b997 ("mlx4: xdp: Allow raising MTU up to one page minus eth 
and vlan hdrs"),
it changed ENOTSUPP to EOPNOTSUPP by mistake.  This patch fixes it.

Fixes: b45f0674b997 ("mlx4: xdp: Allow raising MTU up to one page minus eth and 
vlan hdrs")
Signed-off-by: Martin KaFai Lau <ka...@fb.com>
---
 drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c 
b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index edbe200ac2fa..4910d9af1933 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -2277,7 +2277,7 @@ static int mlx4_en_change_mtu(struct net_device *dev, int 
new_mtu)
 
        if (priv->tx_ring_num[TX_XDP] &&
            !mlx4_en_check_xdp_mtu(dev, new_mtu))
-               return -ENOTSUPP;
+               return -EOPNOTSUPP;
 
        dev->mtu = new_mtu;
 
-- 
2.5.1