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authorTalat Batheesh <talatb@mellanox.com>2017-06-04 14:30:07 +0300
committerDavid S. Miller <davem@davemloft.net>2017-06-04 23:10:05 -0400
commit6dc06c08bef1c746ff8da33dab677cfbacdcad32 (patch)
treeb5a2e18d98948d219041402de5a78e35d829f93d /drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
parentb699d0035836f6712917a41e7ae58d84359b8ff9 (diff)
net/mlx4: Fix the check in attaching steering rules
Our previous patch (cited below) introduced a regression for RAW Eth QPs. Fix it by checking if the QP number provided by user-space exists, hence allowing steering rules to be added for valid QPs only. Fixes: 89c557687a32 ("net/mlx4_en: Avoid adding steering rules with invalid ring") Reported-by: Or Gerlitz <gerlitz.or@gmail.com> Signed-off-by: Talat Batheesh <talatb@mellanox.com> Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Acked-by: Or Gerlitz <ogerlitz@mellanox.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/en_ethtool.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_ethtool.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
index ae5fdc2df654..ffbcb27c05e5 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
@@ -1562,11 +1562,6 @@ 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",