On 08/11/2022 3:53, YueHaibing wrote:
> Smatch warns this:
>
> drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c:81
> mlx5dr_table_set_miss_action() error: uninitialized symbol 'ret'.
>
> Fix this by initializing ret with zero.
>
> Fixes: 7838e1725394 ("net/mlx5: DR, Expose steering table functionality")
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
> ---
> drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c
> index 31d443dd8386..44dea75dabde 100644
> --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c
> +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c
> @@ -46,7 +46,7 @@ static int dr_table_set_miss_action_nic(struct mlx5dr_domain *dmn,
> int mlx5dr_table_set_miss_action(struct mlx5dr_table *tbl,
> struct mlx5dr_action *action)
> {
> - int ret;
> + int ret = 0;
>
> if (action && action->action_type != DR_ACTION_TYP_FT)
> return -EOPNOTSUPP;
In this case the default should be an error
It will be better if ret init to -EOPNOTSUPP and if
a miss action was not set and replaces ret then goto out.
int mlx5dr_table_set_miss_action(struct mlx5dr_table *tbl,
struct mlx5dr_action *action)
{
- int ret;
+ int ret = -EOPNOTSUPP;
if (action && action->action_type != DR_ACTION_TYP_FT)
return -EOPNOTSUPP;
@@ -67,6 +67,9 @@ int mlx5dr_table_set_miss_action(struct mlx5dr_table *tbl,
goto out;
}
+ if (ret)
+ goto out;
+
