netdev - [PATCH net 2/2] net/mlx5e: Cleanup of dcbnl related fields

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Date:   Wed,  8 Aug 2018 15:48:08 -0700
From:   Saeed Mahameed <saeedm@...lanox.com>
To:     "David S. Miller" <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, Huy Nguyen <huyn@...lanox.com>,
        Yuval Shaia <yuval.shaia@...cle.com>,
        Saeed Mahameed <saeedm@...lanox.com>
Subject: [PATCH net 2/2] net/mlx5e: Cleanup of dcbnl related fields

From: Huy Nguyen <huyn@...lanox.com>

Remove unused netdev_registered_init/remove in en.h
Return ENOSUPPORT if the check MLX5_DSCP_SUPPORTED fails.
Remove extra white space

Fixes: 2a5e7a1344f4 ("net/mlx5e: Add dcbnl dscp to priority support")
Signed-off-by: Huy Nguyen <huyn@...lanox.com>
Cc: Yuval Shaia <yuval.shaia@...cle.com>
Reviewed-by: Parav Pandit <parav@...lanox.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en.h  |  2 --
 .../ethernet/mellanox/mlx5/core/en_dcbnl.c    | 30 +++++++------------
 2 files changed, 11 insertions(+), 21 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index eb9eb7aa953a..405236cf0b04 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -858,8 +858,6 @@ struct mlx5e_profile {
 		mlx5e_fp_handle_rx_cqe handle_rx_cqe;
 		mlx5e_fp_handle_rx_cqe handle_rx_cqe_mpwqe;
 	} rx_handlers;
-	void	(*netdev_registered_init)(struct mlx5e_priv *priv);
-	void    (*netdev_registered_remove)(struct mlx5e_priv *priv);
 	int	max_tc;
 };
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
index e33afa8d2417..722998d68564 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
@@ -443,16 +443,12 @@ static int mlx5e_dcbnl_ieee_setapp(struct net_device *dev, struct dcb_app *app)
 	bool is_new;
 	int err;
 
-	if (app->selector != IEEE_8021QAZ_APP_SEL_DSCP)
-		return -EINVAL;
-
-	if (!MLX5_CAP_GEN(priv->mdev, vport_group_manager))
-		return -EINVAL;
-
-	if (!MLX5_DSCP_SUPPORTED(priv->mdev))
-		return -EINVAL;
+	if (!MLX5_CAP_GEN(priv->mdev, vport_group_manager) ||
+	    !MLX5_DSCP_SUPPORTED(priv->mdev))
+		return -EOPNOTSUPP;
 
-	if (app->protocol >= MLX5E_MAX_DSCP)
+	if ((app->selector != IEEE_8021QAZ_APP_SEL_DSCP) ||
+	    (app->protocol >= MLX5E_MAX_DSCP))
 		return -EINVAL;
 
 	/* Save the old entry info */
@@ -500,16 +496,12 @@ static int mlx5e_dcbnl_ieee_delapp(struct net_device *dev, struct dcb_app *app)
 	struct mlx5e_priv *priv = netdev_priv(dev);
 	int err;
 
-	if (app->selector != IEEE_8021QAZ_APP_SEL_DSCP)
-		return -EINVAL;
-
-	if (!MLX5_CAP_GEN(priv->mdev, vport_group_manager))
-		return -EINVAL;
-
-	if (!MLX5_DSCP_SUPPORTED(priv->mdev))
-		return -EINVAL;
+	if  (!MLX5_CAP_GEN(priv->mdev, vport_group_manager) ||
+	     !MLX5_DSCP_SUPPORTED(priv->mdev))
+		return -EOPNOTSUPP;
 
-	if (app->protocol >= MLX5E_MAX_DSCP)
+	if ((app->selector != IEEE_8021QAZ_APP_SEL_DSCP) ||
+	    (app->protocol >= MLX5E_MAX_DSCP))
 		return -EINVAL;
 
 	/* Skip if no dscp app entry */
@@ -1146,7 +1138,7 @@ static int mlx5e_set_trust_state(struct mlx5e_priv *priv, u8 trust_state)
 {
 	int err;
 
-	err =  mlx5_set_trust_state(priv->mdev, trust_state);
+	err = mlx5_set_trust_state(priv->mdev, trust_state);
 	if (err)
 		return err;
 	priv->dcbx_dp.trust_state = trust_state;
-- 
2.17.0