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net/mlx5e: Add a check for the return value from mlx5_port_set_eth_ptys

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Since the documentation for mlx5_toggle_port_link states that it should
only be used after setting the port register, we add a check for the
return value from mlx5_port_set_eth_ptys to ensure the register was
successfully set before calling it.

Fixes: 667daedaec ("net/mlx5e: Toggle link only after modifying port parameters")
Signed-off-by: Shahar Shitrit <shshitrit@nvidia.com>
Reviewed-by: Carolina Jubran <cjubran@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Link: https://patch.msgid.link/20240730061638.1831002-9-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Shahar Shitrit 2024-07-30 09:16:37 +03:00 committed by Jakub Kicinski
parent 025f2b85a5
commit 3f8e82a020
1 changed files with 6 additions and 1 deletions
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7
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
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@ -1409,7 +1409,12 @@ static int mlx5e_ethtool_set_link_ksettings(struct mlx5e_priv *priv,
if (!an_changes && link_modes == eproto.admin)
goto out;
mlx5_port_set_eth_ptys(mdev, an_disable, link_modes, ext);
err = mlx5_port_set_eth_ptys(mdev, an_disable, link_modes, ext);
if (err) {
netdev_err(priv->netdev, "%s: failed to set ptys reg: %d\n", __func__, err);
goto out;
}
mlx5_toggle_port_link(mdev);
out: