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From: Parav Pandit <parav@mellanox.com>
Date: Fri, 19 Jun 2020 03:32:50 +0000
Subject: net/mlx5: Constify mac address pointer
Patch-mainline: v5.9-rc1
Git-commit: fa997825ebeca820f4001a9e6d285345d3a535ba
References: jsc#SLE-15172

Since none of the functions need to modify the input mac address,
constify them.

Signed-off-by: Parav Pandit <parav@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/mellanox/mlx5/core/eswitch.c |    4 ++--
 drivers/net/ethernet/mellanox/mlx5/core/eswitch.h |    2 +-
 drivers/net/ethernet/mellanox/mlx5/core/vport.c   |    2 +-
 include/linux/mlx5/vport.h                        |    2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -1127,7 +1127,7 @@ int mlx5_esw_modify_vport_rate(struct ml
 						  MODIFY_SCHEDULING_ELEMENT_IN_MODIFY_BITMASK_MAX_AVERAGE_BW);
 }
 
-static void node_guid_gen_from_mac(u64 *node_guid, u8 mac[ETH_ALEN])
+static void node_guid_gen_from_mac(u64 *node_guid, const u8 *mac)
 {
 	((u8 *)node_guid)[7] = mac[0];
 	((u8 *)node_guid)[6] = mac[1];
@@ -1779,7 +1779,7 @@ void mlx5_eswitch_cleanup(struct mlx5_es
 
 /* Vport Administration */
 int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw,
-			       u16 vport, u8 mac[ETH_ALEN])
+			       u16 vport, const u8 *mac)
 {
 	struct mlx5_vport *evport = mlx5_eswitch_get_vport(esw, vport);
 	u64 node_guid;
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
@@ -311,7 +311,7 @@ int mlx5_eswitch_enable(struct mlx5_eswi
 void mlx5_eswitch_disable_locked(struct mlx5_eswitch *esw, bool clear_vf);
 void mlx5_eswitch_disable(struct mlx5_eswitch *esw, bool clear_vf);
 int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw,
-			       u16 vport, u8 mac[ETH_ALEN]);
+			       u16 vport, const u8 *mac);
 int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw,
 				 u16 vport, int link_state);
 int mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
--- a/drivers/net/ethernet/mellanox/mlx5/core/vport.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/vport.c
@@ -173,7 +173,7 @@ int mlx5_query_mac_address(struct mlx5_c
 EXPORT_SYMBOL_GPL(mlx5_query_mac_address);
 
 int mlx5_modify_nic_vport_mac_address(struct mlx5_core_dev *mdev,
-				      u16 vport, u8 *addr)
+				      u16 vport, const u8 *addr)
 {
 	void *in;
 	int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
--- a/include/linux/mlx5/vport.h
+++ b/include/linux/mlx5/vport.h
@@ -75,7 +75,7 @@ void mlx5_query_min_inline(struct mlx5_c
 int mlx5_modify_nic_vport_min_inline(struct mlx5_core_dev *mdev,
 				     u16 vport, u8 min_inline);
 int mlx5_modify_nic_vport_mac_address(struct mlx5_core_dev *dev,
-				      u16 vport, u8 *addr);
+				      u16 vport, const u8 *addr);
 int mlx5_query_nic_vport_mtu(struct mlx5_core_dev *mdev, u16 *mtu);
 int mlx5_modify_nic_vport_mtu(struct mlx5_core_dev *mdev, u16 mtu);
 int mlx5_query_nic_vport_system_image_guid(struct mlx5_core_dev *mdev,