[PATCH 5.15 091/135] net/mlx5e: Lag, Fix fib_info pointer assignment

From: Greg Kroah-Hartman
Date: Tue May 10 2022 - 10:06:13 EST


From: Vlad Buslov <vladbu@xxxxxxxxxx>

[ Upstream commit a6589155ec9847918e00e7279b8aa6d4c272bea7 ]

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: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c b/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c
index 8d278c45e7cc..9d50b9c2db5e 100644
--- 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(struct mlx5_lag *ldev,

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

- mlx5_lag_fib_set(mp, fi);
return;
}

--
2.35.1