From: Kunwu Chan Date: Fri, 1 Dec 2023 05:54:47 +0000 (+0800) Subject: platform/mellanox: Check devm_hwmon_device_register_with_groups() return value X-Git-Tag: v6.6.7~206 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=15e1490022e7c89bee335ea742f77eebf2a23a89;p=platform%2Fkernel%2Flinux-starfive.git platform/mellanox: Check devm_hwmon_device_register_with_groups() return value [ Upstream commit 3494a594315b56516988afb6854d75dee5b501db ] 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 Suggested-by: Vadim Pasternak Signed-off-by: Kunwu Chan Reviewed-by: Vadim Pasternak Link: https://lore.kernel.org/r/20231201055447.2356001-1-chentao@kylinos.cn [ij: split the change into two] Reviewed-by: Ilpo Järvinen Signed-off-by: Ilpo Järvinen Signed-off-by: Sasha Levin --- diff --git a/drivers/platform/mellanox/mlxbf-pmc.c b/drivers/platform/mellanox/mlxbf-pmc.c index 925bfc4..db7a1d3 100644 --- a/drivers/platform/mellanox/mlxbf-pmc.c +++ b/drivers/platform/mellanox/mlxbf-pmc.c @@ -1454,6 +1454,8 @@ 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;