OLEDs/LED are not critical for tablet functioning thus ignore OLED/LED
initialisation failures.
This patch does clean up all the sysfs attribute files in error paths.
Signed-off-by: Axel Lin <axel....@gmail.com>
---
drivers/hid/hid-wacom.c | 23 ++++++++++++++---------
1 file changed, 14 insertions(+), 9 deletions(-)
diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c
index a0fafac..2f60da9 100644
--- a/drivers/hid/hid-wacom.c
+++ b/drivers/hid/hid-wacom.c
@@ -858,11 +858,9 @@ OLED_INIT(7);
if (hdev->product == USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) {
sprintf(hdev->name, "%s", "Wacom Intuos4 WL");
ret = wacom_initialize_leds(hdev);
- if (ret) {
+ if (ret)
hid_warn(hdev,
"can't create led attribute, err: %d\n", ret);
- goto destroy_leds;
- }
}
wdata->battery.properties = wacom_battery_props;
@@ -875,8 +873,8 @@ OLED_INIT(7);
ret = power_supply_register(&hdev->dev, &wdata->battery);
if (ret) {
- hid_warn(hdev, "can't create sysfs battery attribute, err:
%d\n",
- ret);
+ hid_err(hdev, "can't create sysfs battery attribute, err: %d\n",
+ ret);
goto err_battery;
}
@@ -891,8 +889,8 @@ OLED_INIT(7);
ret = power_supply_register(&hdev->dev, &wdata->ac);
if (ret) {
- hid_warn(hdev,
- "can't create ac battery attribute, err: %d\n", ret);
+ hid_err(hdev,
+ "can't create ac battery attribute, err: %d\n", ret);
goto err_ac;
}
@@ -902,10 +900,17 @@ OLED_INIT(7);
err_ac:
power_supply_unregister(&wdata->battery);
err_battery:
+ wacom_destroy_leds(hdev);
+ device_remove_file(&hdev->dev, &dev_attr_oled0_img);
+ device_remove_file(&hdev->dev, &dev_attr_oled1_img);
+ device_remove_file(&hdev->dev, &dev_attr_oled2_img);
+ device_remove_file(&hdev->dev, &dev_attr_oled3_img);
+ device_remove_file(&hdev->dev, &dev_attr_oled4_img);
+ device_remove_file(&hdev->dev, &dev_attr_oled5_img);
+ device_remove_file(&hdev->dev, &dev_attr_oled6_img);
+ device_remove_file(&hdev->dev, &dev_attr_oled7_img);
device_remove_file(&hdev->dev, &dev_attr_speed);
hid_hw_stop(hdev);
-destroy_leds:
- wacom_destroy_leds(hdev);
err_free:
kfree(wdata);
return ret;
--
1.7.9.5
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