net/mlx5: Fix a NULL vs IS_ERR() check

The mlx5_chains_get_table() function doesn't return NULL, it returns
error pointers so we need to fix this condition.

Fixes: 34ca65352ddf ("net/mlx5: E-Switch, Indirect table infrastructure")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/indir_table.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/indir_table.c
index b7d00c4c704680661a8208ef4540a528fd4b305b..6f6772bf61a263afb632a09a7e65401c435aaaef 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/indir_table.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/indir_table.c
@@ -216,7 +216,7 @@ static int mlx5_esw_indir_table_rule_get(struct mlx5_eswitch *esw,
        flow_act.flags = FLOW_ACT_IGNORE_FLOW_LEVEL | FLOW_ACT_NO_APPEND;
        dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
        dest.ft = mlx5_chains_get_table(chains, 0, 1, 0);
-       if (!dest.ft) {
+       if (IS_ERR(dest.ft)) {
                err = PTR_ERR(dest.ft);
                goto err_table;
        }