On 2022/11/10 16:20, Roi Dayan wrote: > > > 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. Thanks for your review, will do that in v2. > > 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; > + > > . >