[PATCH net-next 5/9] net/mlx4_core: Get num_tc using netdev_get_num_tc

[Tariq Toukan]

From: Alaa Hleihel <a...@mellanox.com>

Avoid reading num_tc directly from struct net_device, but use
the helper function netdev_get_num_tc.

Fixes: bc6a4744b827 ("net/mlx4_en: num cores tx rings for every UP")
Fixes: f5b6345ba8da ("net/mlx4_en: User prio mapping gets corrupted when 
changing number of channels")
Signed-off-by: Alaa Hleihel <a...@mellanox.com>
Signed-off-by: Tariq Toukan <tar...@mellanox.com>
---
 drivers/net/ethernet/mellanox/mlx4/en_ethtool.c | 2 +-
 drivers/net/ethernet/mellanox/mlx4/en_tx.c      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c 
b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
index 63f5b0ab95d6..0ab644b6c2e6 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
@@ -1793,7 +1793,7 @@ static int mlx4_en_set_channels(struct net_device *dev,
        netif_set_real_num_tx_queues(dev, priv->tx_ring_num[TX]);
        netif_set_real_num_rx_queues(dev, priv->rx_ring_num);
 
-       if (dev->num_tc)
+       if (netdev_get_num_tc(dev))
                mlx4_en_setup_tc(dev, MLX4_EN_NUM_UP);
 
        en_warn(priv, "Using %d TX rings\n", priv->tx_ring_num[TX]);
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c 
b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
index 5886ad78058f..3ed42199d3f1 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
@@ -710,7 +710,7 @@ u16 mlx4_en_select_queue(struct net_device *dev, struct 
sk_buff *skb,
        u16 rings_p_up = priv->num_tx_rings_p_up;
        u8 up = 0;
 
-       if (dev->num_tc)
+       if (netdev_get_num_tc(dev))
                return skb_tx_hash(dev, skb);
 
        if (skb_vlan_tag_present(skb))
-- 
1.8.3.1