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From: Saeed Mahameed <saeed@kernel.org>
To: "David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org, Saeed Mahameed <saeedm@nvidia.com>
Subject: [net-next 01/14] net/mlx5e: don't write directly to netdev->dev_addr
Date: Mon, 25 Oct 2021 13:54:18 -0700	[thread overview]
Message-ID: <20211025205431.365080-2-saeed@kernel.org> (raw)
In-Reply-To: <20211025205431.365080-1-saeed@kernel.org>

From: Jakub Kicinski <kuba@kernel.org>

Use a local buffer and eth_hw_addr_set()

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 0ff36c83714b..f3dec58026d9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -4432,13 +4432,17 @@ void mlx5e_build_nic_params(struct mlx5e_priv *priv, struct mlx5e_xsk *xsk, u16
 static void mlx5e_set_netdev_dev_addr(struct net_device *netdev)
 {
 	struct mlx5e_priv *priv = netdev_priv(netdev);
+	u8 addr[ETH_ALEN];
 
-	mlx5_query_mac_address(priv->mdev, netdev->dev_addr);
-	if (is_zero_ether_addr(netdev->dev_addr) &&
+	mlx5_query_mac_address(priv->mdev, addr);
+	if (is_zero_ether_addr(addr) &&
 	    !MLX5_CAP_GEN(priv->mdev, vport_group_manager)) {
 		eth_hw_addr_random(netdev);
 		mlx5_core_info(priv->mdev, "Assigned random MAC address %pM\n", netdev->dev_addr);
+		return;
 	}
+
+	eth_hw_addr_set(netdev, addr);
 }
 
 static int mlx5e_vxlan_set_port(struct net_device *netdev, unsigned int table,
-- 
2.31.1


  reply	other threads:[~2021-10-25 20:54 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-25 20:54 [pull request][net-next 00/14] mlx5 updates 2021-10-25 Saeed Mahameed
2021-10-25 20:54 ` Saeed Mahameed [this message]
2021-10-26 12:30   ` [net-next 01/14] net/mlx5e: don't write directly to netdev->dev_addr patchwork-bot+netdevbpf
2021-10-25 20:54 ` [net-next 02/14] net/mlx5: Remove unnecessary checks for slow path flag Saeed Mahameed
2021-10-25 20:54 ` [net-next 03/14] net/mlx5: Fix unused function warning of mlx5i_flow_type_mask Saeed Mahameed
2021-10-25 20:54 ` [net-next 04/14] net/mlx5: Reduce flow counters bulk query buffer size for SFs Saeed Mahameed
2021-10-25 20:54 ` [net-next 05/14] net/mlx5: Extend health buffer dump Saeed Mahameed
2021-10-25 20:54 ` [net-next 06/14] net/mlx5: Print health buffer by log level Saeed Mahameed
2021-10-25 20:54 ` [net-next 07/14] net/mlx5: Add periodic update of host time to firmware Saeed Mahameed
2021-10-25 20:54 ` [net-next 08/14] net/mlx5: Bridge, extract code to lookup and del/notify entry Saeed Mahameed
2021-10-25 20:54 ` [net-next 09/14] net/mlx5: Bridge, support replacing existing FDB entry Saeed Mahameed
2021-10-25 20:54 ` [net-next 10/14] net/mlx5: Let user configure io_eq_size param Saeed Mahameed
2021-10-26 15:05   ` Jakub Kicinski
2021-10-26 15:54     ` Saeed Mahameed
2021-10-26 17:16       ` Jakub Kicinski
2021-10-26 18:01         ` Saeed Mahameed
2021-10-27  6:16         ` Gal Pressman
2021-10-25 20:54 ` [net-next 11/14] net/mlx5: Let user configure event_eq_size param Saeed Mahameed
2021-10-25 20:54 ` [net-next 12/14] net/mlx5: Let user configure max_macs param Saeed Mahameed
2021-10-25 20:54 ` [net-next 13/14] net/mlx5: SF, Add SF trace points Saeed Mahameed
2021-10-25 20:54 ` [net-next 14/14] net/mlx5: SF_DEV Add SF device " Saeed Mahameed

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