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kernel: ubnt-ledbar: use devm_mutex_init

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Allows remove the _remove function as devm calls mutex_destroy
automatically.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/16615
Signed-off-by: Robert Marko <robimarko@gmail.com>
This commit is contained in:
Rosen Penev 2024-10-04 13:27:26 -07:00 committed by Robert Marko
parent 7d33aedd10
commit 3483f63c56
1 changed files with 4 additions and 9 deletions
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13
package/kernel/ubnt-ledbar/src/leds-ubnt-ledbar.c
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@ -164,6 +164,7 @@ static int ubnt_ledbar_probe(struct i2c_client *client)
{
struct device_node *np = client->dev.of_node;
struct ubnt_ledbar *ledbar;
int err;
ledbar = devm_kzalloc(&client->dev, sizeof(*ledbar), GFP_KERNEL);
if (!ledbar)
@ -184,7 +185,9 @@ static int ubnt_ledbar_probe(struct i2c_client *client)
ledbar->client = client;
mutex_init(&ledbar->lock);
err = devm_mutex_init(&ofdev->dev, &ledbar->lock);
if (err)
return err;
i2c_set_clientdata(client, ledbar);
@ -203,13 +206,6 @@ static int ubnt_ledbar_probe(struct i2c_client *client)
return ubnt_ledbar_apply_state(ledbar);
}
static void ubnt_ledbar_remove(struct i2c_client *client)
{
struct ubnt_ledbar *ledbar = i2c_get_clientdata(client);
mutex_destroy(&ledbar->lock);
}
static const struct i2c_device_id ubnt_ledbar_id[] = {
{ "ubnt-ledbar", 0 },
{ }
@ -228,7 +224,6 @@ static struct i2c_driver ubnt_ledbar_driver = {
.of_match_table = of_ubnt_ledbar_match,
},
.probe = ubnt_ledbar_probe,
.remove = ubnt_ledbar_remove,
.id_table = ubnt_ledbar_id,
};
module_i2c_driver(ubnt_ledbar_driver);