[PATCH 5.13 080/151] net/mlx5: Dont skip subfunction cleanup in case of error in module init

Greg Kroah-Hartman
2021-08-16T13:29:47Z

From: Leon Romanovsky <leonro@nvidia.com>

[ Upstream commit c633e799641cf13960bd83189b4d5b1b2adb0d4e ]

Clean SF resources if mlx5 eth failed to initialize.

Fixes: 1958fc2f0712 ("net/mlx5: SF, Add auxiliary device driver")
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/ethernet/mellanox/mlx5/core/main.c | 12 ++++--------
drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h | 5 +++++
2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 0d0f63a27aba..8c6d7f70e783 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -1781,16 +1781,14 @@ static int __init init(void)
if (err)
goto err_sf;

-#ifdef CONFIG_MLX5_CORE_EN
err = mlx5e_init();
- if (err) {
- pci_unregister_driver(&mlx5_core_driver);
- goto err_debug;
- }
-#endif
+ if (err)
+ goto err_en;

return 0;

+err_en:
+ mlx5_sf_driver_unregister();
err_sf:
pci_unregister_driver(&mlx5_core_driver);
err_debug:
@@ -1800,9 +1798,7 @@ err_debug:

static void __exit cleanup(void)
{
-#ifdef CONFIG_MLX5_CORE_EN
mlx5e_cleanup();
-#endif
mlx5_sf_driver_unregister();
pci_unregister_driver(&mlx5_core_driver);
mlx5_unregister_debugfs();
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
index a22b706eebd3..1824eb0b0e9a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
@@ -223,8 +223,13 @@ int mlx5_firmware_flash(struct mlx5_core_dev *dev, const struct firmware *fw,
int mlx5_fw_version_query(struct mlx5_core_dev *dev,
u32 *running_ver, u32 *stored_ver);

+#ifdef CONFIG_MLX5_CORE_EN
int mlx5e_init(void);
void mlx5e_cleanup(void);
+#else
+static inline int mlx5e_init(void){ return 0; }
+static inline void mlx5e_cleanup(void){}
+#endif

static inline bool mlx5_sriov_is_enabled(struct mlx5_core_dev *dev)
{
--
2.30.2