Merge branch 'for-5.16/wacom' into for-linus

- improvement of device management handling (Cai Huoqing, Jason Gerecke)
This commit is contained in:
Jiri Kosina 2021-11-05 12:16:17 +01:00
commit 3f81b3a387

View File

@ -881,8 +881,8 @@ static int wacom_add_shared_data(struct hid_device *hdev)
if (!data) {
data = kzalloc(sizeof(struct wacom_hdev_data), GFP_KERNEL);
if (!data) {
retval = -ENOMEM;
goto out;
mutex_unlock(&wacom_udev_list_lock);
return -ENOMEM;
}
kref_init(&data->kref);
@ -890,22 +890,19 @@ static int wacom_add_shared_data(struct hid_device *hdev)
list_add_tail(&data->list, &wacom_udev_list);
}
mutex_unlock(&wacom_udev_list_lock);
wacom_wac->shared = &data->shared;
retval = devm_add_action(&hdev->dev, wacom_remove_shared_data, wacom);
if (retval) {
mutex_unlock(&wacom_udev_list_lock);
wacom_remove_shared_data(wacom);
retval = devm_add_action_or_reset(&hdev->dev, wacom_remove_shared_data, wacom);
if (retval)
return retval;
}
if (wacom_wac->features.device_type & WACOM_DEVICETYPE_TOUCH)
wacom_wac->shared->touch = hdev;
else if (wacom_wac->features.device_type & WACOM_DEVICETYPE_PEN)
wacom_wac->shared->pen = hdev;
out:
mutex_unlock(&wacom_udev_list_lock);
return retval;
}