diff options
| author | Kunwu Chan <chentao@kylinos.cn> | 2023-12-01 13:54:47 +0800 |
|---|---|---|
| committer | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2023-12-04 15:01:46 +0200 |
| commit | 3494a594315b56516988afb6854d75dee5b501db (patch) | |
| tree | aaf6eb872281f056c7b446ff96672af54ad006d6 | |
| parent | 2c7c857f5fed997be93047d2de853d7f10c8defe (diff) | |
platform/mellanox: Check devm_hwmon_device_register_with_groups() return value
devm_hwmon_device_register_with_groups() returns an error pointer upon
failure. Check its return value for errors.
Compile-tested only.
Fixes: 1a218d312e65 ("platform/mellanox: mlxbf-pmc: Add Mellanox BlueField PMC driver")
Suggested-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Suggested-by: Vadim Pasternak <vadimp@nvidia.com>
Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Reviewed-by: Vadim Pasternak <vadimp@nvidia.com>
Link: https://lore.kernel.org/r/20231201055447.2356001-1-chentao@kylinos.cn
[ij: split the change into two]
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
| -rw-r--r-- | drivers/platform/mellanox/mlxbf-pmc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/platform/mellanox/mlxbf-pmc.c b/drivers/platform/mellanox/mlxbf-pmc.c index d0d1cfc55c5f..1dd84c7a79de 100644 --- a/drivers/platform/mellanox/mlxbf-pmc.c +++ b/drivers/platform/mellanox/mlxbf-pmc.c @@ -2075,6 +2075,8 @@ static int mlxbf_pmc_probe(struct platform_device *pdev) pmc->hwmon_dev = devm_hwmon_device_register_with_groups( dev, "bfperf", pmc, pmc->groups); + if (IS_ERR(pmc->hwmon_dev)) + return PTR_ERR(pmc->hwmon_dev); platform_set_drvdata(pdev, pmc); return 0; |