From: Bartosz Golaszewski <bgolaszew...@baylibre.com> Shrink pmbus code by using devm_hwmon_device_register_with_groups() and devm_krealloc() instead of their non-managed variants.
Signed-off-by: Bartosz Golaszewski <bgolaszew...@baylibre.com> Acked-by: Guenter Roeck <li...@roeck-us.net> --- drivers/hwmon/pmbus/pmbus_core.c | 28 +++++++++------------------- 1 file changed, 9 insertions(+), 19 deletions(-) diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c index 44535add3a4a..91839979cf6c 100644 --- a/drivers/hwmon/pmbus/pmbus_core.c +++ b/drivers/hwmon/pmbus/pmbus_core.c @@ -1018,9 +1018,9 @@ static int pmbus_add_attribute(struct pmbus_data *data, struct attribute *attr) { if (data->num_attributes >= data->max_attributes - 1) { int new_max_attrs = data->max_attributes + PMBUS_ATTR_ALLOC_SIZE; - void *new_attrs = krealloc(data->group.attrs, - new_max_attrs * sizeof(void *), - GFP_KERNEL); + void *new_attrs = devm_krealloc(data->dev, data->group.attrs, + new_max_attrs * sizeof(void *), + GFP_KERNEL); if (!new_attrs) return -ENOMEM; data->group.attrs = new_attrs; @@ -2534,7 +2534,7 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id, ret = pmbus_find_attributes(client, data); if (ret) - goto out_kfree; + return ret; /* * If there are no attributes, something is wrong. @@ -2542,35 +2542,27 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id, */ if (!data->num_attributes) { dev_err(dev, "No attributes found\n"); - ret = -ENODEV; - goto out_kfree; + return -ENODEV; } data->groups[0] = &data->group; memcpy(data->groups + 1, info->groups, sizeof(void *) * groups_num); - data->hwmon_dev = hwmon_device_register_with_groups(dev, client->name, - data, data->groups); + data->hwmon_dev = devm_hwmon_device_register_with_groups(dev, + client->name, data, data->groups); if (IS_ERR(data->hwmon_dev)) { - ret = PTR_ERR(data->hwmon_dev); dev_err(dev, "Failed to register hwmon device\n"); - goto out_kfree; + return PTR_ERR(data->hwmon_dev); } ret = pmbus_regulator_register(data); if (ret) - goto out_unregister; + return ret; ret = pmbus_init_debugfs(client, data); if (ret) dev_warn(dev, "Failed to register debugfs\n"); return 0; - -out_unregister: - hwmon_device_unregister(data->hwmon_dev); -out_kfree: - kfree(data->group.attrs); - return ret; } EXPORT_SYMBOL_GPL(pmbus_do_probe); @@ -2580,8 +2572,6 @@ int pmbus_do_remove(struct i2c_client *client) debugfs_remove_recursive(data->debugfs); - hwmon_device_unregister(data->hwmon_dev); - kfree(data->group.attrs); return 0; } EXPORT_SYMBOL_GPL(pmbus_do_remove); -- 2.26.1