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net/mlx5: Lag, Fix for loop when checking lag 

The cited commit adds a for loop to check if each port supports lag
or not. But dev is not initialized correctly. Fix it by initializing
dev for each iteration.

Fixes: e87c6a832f ("net/mlx5: E-switch, Fix duplicate lag creation")
Signed-off-by: Chris Mi <cmi@nvidia.com>
Reported-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Link: https://lore.kernel.org/r/20221129093006.378840-2-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Chris Mi 2022-11-29 01:30:06 -08:00 committed by Jakub Kicinski
parent dda3bbbb26
commit 0e682f04b4
1 changed files with 4 additions and 2 deletions
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6
drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c
View File

@ -700,11 +700,13 @@ static bool mlx5_lag_check_prereq(struct mlx5_lag *ldev)
return false;
#ifdef CONFIG_MLX5_ESWITCH
dev = ldev->pf[MLX5_LAG_P1].dev;
for (i = 0; i < ldev->ports; i++)
for (i = 0; i < ldev->ports; i++) {
dev = ldev->pf[i].dev;
if (mlx5_eswitch_num_vfs(dev->priv.eswitch) && !is_mdev_switchdev_mode(dev))
return false;
}
dev = ldev->pf[MLX5_LAG_P1].dev;
mode = mlx5_eswitch_mode(dev);
for (i = 0; i < ldev->ports; i++)
if (mlx5_eswitch_mode(ldev->pf[i].dev) != mode)