[PATCH] Input: elan_i2c - switch to using devm_device_add_groups()

From: Dmitry Torokhov
Date: Sat Jul 13 2019 - 04:48:40 EST


Instead of installing custom devm cleanup action to remove attribute
groups on failure, let's use the dedicated devm API.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
---
drivers/input/mouse/elan_i2c_core.c | 17 +----------------
1 file changed, 1 insertion(+), 16 deletions(-)

diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index d9b103a81a79..b549d032da93 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -1138,13 +1138,6 @@ static void elan_disable_regulator(void *_data)
regulator_disable(data->vcc);
}

-static void elan_remove_sysfs_groups(void *_data)
-{
- struct elan_tp_data *data = _data;
-
- sysfs_remove_groups(&data->client->dev.kobj, elan_sysfs_groups);
-}
-
static int elan_probe(struct i2c_client *client,
const struct i2c_device_id *dev_id)
{
@@ -1269,20 +1262,12 @@ static int elan_probe(struct i2c_client *client,
return error;
}

- error = sysfs_create_groups(&dev->kobj, elan_sysfs_groups);
+ error = devm_device_add_groups(dev, elan_sysfs_groups);
if (error) {
dev_err(dev, "failed to create sysfs attributes: %d\n", error);
return error;
}

- error = devm_add_action(dev, elan_remove_sysfs_groups, data);
- if (error) {
- elan_remove_sysfs_groups(data);
- dev_err(dev, "Failed to add sysfs cleanup action: %d\n",
- error);
- return error;
- }
-
error = input_register_device(data->input);
if (error) {
dev_err(dev, "failed to register input device: %d\n", error);
--
2.22.0.510.g264f2c817a-goog


--
Dmitry