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net/mlx5: Lag, don't update lag if lag isn't supported 

In NICs that don't support LAG, the LAG control structure won't be
allocated. If it wasn't allocated it means LAG doesn't exists and can be
skipped.

Fixes: cac1eb2cf2 ("net/mlx5: Lag, properly lock eswitch if needed")
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Maor Gottlieb <maorg@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Mark Bloch 2021-08-11 16:40:16 +03:00 committed by Saeed Mahameed
parent 897ae4b40e
commit da8252d580
1 changed files with 8 additions and 2 deletions
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10
drivers/net/ethernet/mellanox/mlx5/core/lag.c
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@ -927,9 +927,12 @@ void mlx5_lag_disable_change(struct mlx5_core_dev *dev)
struct mlx5_core_dev *dev1;
struct mlx5_lag *ldev;
ldev = mlx5_lag_dev(dev);
if (!ldev)
return;
mlx5_dev_list_lock();
ldev = mlx5_lag_dev(dev);
dev0 = ldev->pf[MLX5_LAG_P1].dev;
dev1 = ldev->pf[MLX5_LAG_P2].dev;
@ -946,8 +949,11 @@ void mlx5_lag_enable_change(struct mlx5_core_dev *dev)
{
struct mlx5_lag *ldev;
mlx5_dev_list_lock();
ldev = mlx5_lag_dev(dev);
if (!ldev)
return;
mlx5_dev_list_lock();
ldev->mode_changes_in_progress--;
mlx5_dev_list_unlock();
mlx5_queue_bond_work(ldev, 0);