On Mon, 2012-09-17 at 16:53 +0800, Axel Lin wrote: > 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.lin@xxxxxxxxx> > --- > 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; Tested-by: Przemo Firszt <przemo@xxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html