[PATCH 5.17 073/140] net/mlx5e: Lag, Fix fib_info pointer assignment

From: Greg Kroah-Hartman
Date: Tue May 10 2022 - 10:23:58 EST


From: Vlad Buslov <vladbu@xxxxxxxxxx>

commit a6589155ec9847918e00e7279b8aa6d4c272bea7 upstream.

Referenced change incorrectly sets single path fib_info even when LAG is
not active. Fix it by moving call to mlx5_lag_fib_set() into conditional
that verifies LAG state.

Fixes: ad11c4f1d8fd ("net/mlx5e: Lag, Only handle events from highest priority multipath entry")
Signed-off-by: Vlad Buslov <vladbu@xxxxxxxxxx>
Reviewed-by: Maor Dickman <maord@xxxxxxxxxx>
Signed-off-by: Saeed Mahameed <saeedm@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/mellanox/mlx5/core/lag/mp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ethernet/mellanox/mlx5/core/lag/mp.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/mp.c
@@ -149,9 +149,9 @@ static void mlx5_lag_fib_route_event(str

i++;
mlx5_lag_set_port_affinity(ldev, i);
+ mlx5_lag_fib_set(mp, fi);
}

- mlx5_lag_fib_set(mp, fi);
return;
}