diff options
| author | Talat Batheesh <talatb@mellanox.com> | 2017-05-09 14:45:23 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-05-09 11:22:46 -0400 |
| commit | 89c557687a32c294e9d25670a96e9287c09f2d5f (patch) | |
| tree | e7f6943dc6504f915e8066caaa15fc129e1c7a27 | |
| parent | 505a9249c23988768983aaa0766ce54e0dbe037d (diff) | |
| download | linux-89c557687a32c294e9d25670a96e9287c09f2d5f.tar.bz2 | |
net/mlx4_en: Avoid adding steering rules with invalid ring
Inserting steering rules with illegal ring is an invalid operation,
block it.
Fixes: 820672812f82 ('net/mlx4_en: Manage flow steering rules with ethtool')
Signed-off-by: Talat Batheesh <talatb@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_ethtool.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c index ffbcb27c05e5..ae5fdc2df654 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c @@ -1562,6 +1562,11 @@ static int mlx4_en_flow_replace(struct net_device *dev, qpn = priv->drop_qp.qpn; else if (cmd->fs.ring_cookie & EN_ETHTOOL_QP_ATTACH) { qpn = cmd->fs.ring_cookie & (EN_ETHTOOL_QP_ATTACH - 1); + if (qpn < priv->rss_map.base_qpn || + qpn >= priv->rss_map.base_qpn + priv->rx_ring_num) { + en_warn(priv, "rxnfc: QP (0x%x) doesn't exist\n", qpn); + return -EINVAL; + } } else { if (cmd->fs.ring_cookie >= priv->rx_ring_num) { en_warn(priv, "rxnfc: RX ring (%llu) doesn't exist\n", |