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net/mlx5: Clear LAG notifier pointer after unregister

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After returning from unregister_netdevice_notifier_dev_net(), set the
notifier_call field to NULL so successive call to mlx5_lag_add() will
function as expected.

Fixes: 7907f23adc ("net/mlx5: Implement RoCE LAG feature")
Signed-off-by: Eli Cohen <eli@mellanox.com>
Reviewed-by: Vlad Buslov <vladbu@mellanox.com>
Reviewed-by: Raed Salem <raeds@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Eli Cohen 2020-02-19 09:03:28 +02:00 committed by Saeed Mahameed
parent 404402abd5
commit 0b13645474
1 changed files with 3 additions and 1 deletions
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4
drivers/net/ethernet/mellanox/mlx5/core/lag.c
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@ -615,8 +615,10 @@ void mlx5_lag_remove(struct mlx5_core_dev *dev)
break;
if (i == MLX5_MAX_PORTS) {
if (ldev->nb.notifier_call)
if (ldev->nb.notifier_call) {
unregister_netdevice_notifier_net(&init_net, &ldev->nb);
ldev->nb.notifier_call = NULL;
}
mlx5_lag_mp_cleanup(ldev);
cancel_delayed_work_sync(&ldev->bond_work);
mlx5_lag_dev_free(ldev);