[PATCH 6.0 034/124] net/mlx5: DR, Fix uninitialized var warning

Greg Kroah-Hartman
2022-12-05T19:25:28Z

From: YueHaibing <yuehaibing@huawei.com>

[ Upstream commit 52f7cf70eb8fac6111786c59ae9dfc5cf2bee710 ]

Smatch warns this:

drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c:81
mlx5dr_table_set_miss_action() error: uninitialized symbol 'ret'.

Initializing ret with -EOPNOTSUPP and fix missing action case.

Fixes: 7838e1725394 ("net/mlx5: DR, Expose steering table functionality")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c | 5 ++++-
1 file changed, 4 insertions(+), 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..f68461b13391 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 = -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;
+
/* Release old action */
if (tbl->miss_action)
refcount_dec(&tbl->miss_action->refcount);
--
2.35.1