netdev - [net-next 13/14] net/mlx5: Don't check vport->enabled in port ops

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date: Mon, 24 Jul 2023 15:44:25 -0700
From: Saeed Mahameed <saeed@...nel.org>
To: "David S. Miller" <davem@...emloft.net>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Eric Dumazet <edumazet@...gle.com>
Cc: Saeed Mahameed <saeedm@...dia.com>,
	netdev@...r.kernel.org,
	Tariq Toukan <tariqt@...dia.com>,
	Jiri Pirko <jiri@...dia.com>,
	Shay Drory <shayd@...dia.com>
Subject: [net-next 13/14] net/mlx5: Don't check vport->enabled in port ops

From: Jiri Pirko <jiri@...dia.com>

vport->enabled is always set for a vport for which a devlink port is
registered, therefore the checks in the ops are pointless.
Remove those.

Signed-off-by: Jiri Pirko <jiri@...dia.com>
Reviewed-by: Shay Drory <shayd@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 .../mellanox/mlx5/core/eswitch_offloads.c     | 28 ++++---------------
 1 file changed, 6 insertions(+), 22 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index b4b8cb788573..c192000e3614 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -4125,7 +4125,6 @@ int mlx5_devlink_port_fn_migratable_get(struct devlink_port *port, bool *is_enab
 {
 	struct mlx5_eswitch *esw;
 	struct mlx5_vport *vport;
-	int err = -EOPNOTSUPP;
 
 	esw = mlx5_devlink_eswitch_get(port->devlink);
 	if (IS_ERR(esw))
@@ -4133,7 +4132,7 @@ int mlx5_devlink_port_fn_migratable_get(struct devlink_port *port, bool *is_enab
 
 	if (!MLX5_CAP_GEN(esw->dev, migration)) {
 		NL_SET_ERR_MSG_MOD(extack, "Device doesn't support migration");
-		return err;
+		return -EOPNOTSUPP;
 	}
 
 	vport = mlx5_devlink_port_fn_get_vport(port, esw);
@@ -4143,12 +4142,9 @@ int mlx5_devlink_port_fn_migratable_get(struct devlink_port *port, bool *is_enab
 	}
 
 	mutex_lock(&esw->state_lock);
-	if (vport->enabled) {
-		*is_enabled = vport->info.mig_enabled;
-		err = 0;
-	}
+	*is_enabled = vport->info.mig_enabled;
 	mutex_unlock(&esw->state_lock);
-	return err;
+	return 0;
 }
 
 int mlx5_devlink_port_fn_migratable_set(struct devlink_port *port, bool enable,
@@ -4177,10 +4173,6 @@ int mlx5_devlink_port_fn_migratable_set(struct devlink_port *port, bool enable,
 	}
 
 	mutex_lock(&esw->state_lock);
-	if (!vport->enabled) {
-		NL_SET_ERR_MSG_MOD(extack, "Eswitch vport is disabled");
-		goto out;
-	}
 
 	if (vport->info.mig_enabled == enable) {
 		err = 0;
@@ -4224,7 +4216,6 @@ int mlx5_devlink_port_fn_roce_get(struct devlink_port *port, bool *is_enabled,
 {
 	struct mlx5_eswitch *esw;
 	struct mlx5_vport *vport;
-	int err = -EOPNOTSUPP;
 
 	esw = mlx5_devlink_eswitch_get(port->devlink);
 	if (IS_ERR(esw))
@@ -4237,12 +4228,9 @@ int mlx5_devlink_port_fn_roce_get(struct devlink_port *port, bool *is_enabled,
 	}
 
 	mutex_lock(&esw->state_lock);
-	if (vport->enabled) {
-		*is_enabled = vport->info.roce_enabled;
-		err = 0;
-	}
+	*is_enabled = vport->info.roce_enabled;
 	mutex_unlock(&esw->state_lock);
-	return err;
+	return 0;
 }
 
 int mlx5_devlink_port_fn_roce_set(struct devlink_port *port, bool enable,
@@ -4251,10 +4239,10 @@ int mlx5_devlink_port_fn_roce_set(struct devlink_port *port, bool enable,
 	int query_out_sz = MLX5_ST_SZ_BYTES(query_hca_cap_out);
 	struct mlx5_eswitch *esw;
 	struct mlx5_vport *vport;
-	int err = -EOPNOTSUPP;
 	void *query_ctx;
 	void *hca_caps;
 	u16 vport_num;
+	int err;
 
 	esw = mlx5_devlink_eswitch_get(port->devlink);
 	if (IS_ERR(esw))
@@ -4268,10 +4256,6 @@ int mlx5_devlink_port_fn_roce_set(struct devlink_port *port, bool enable,
 	vport_num = vport->vport;
 
 	mutex_lock(&esw->state_lock);
-	if (!vport->enabled) {
-		NL_SET_ERR_MSG_MOD(extack, "Eswitch vport is disabled");
-		goto out;
-	}
 
 	if (vport->info.roce_enabled == enable) {
 		err = 0;
-- 
2.41.0