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authorAxel Lin <axel.lin@gmail.com>2012-09-17 16:53:54 +0800
committerJiri Kosina <jkosina@suse.cz>2012-09-19 13:40:56 +0200
commit8908dd806340513dacfd37b21e047946bca995d1 (patch)
tree15d58d5c45df471327bdc383aa6c0e87b93ede56 /drivers/hid/hid-wacom.c
parente3c399ee4afebda7fd0a96a748e665a26853c246 (diff)
downloadop-kernel-dev-8908dd806340513dacfd37b21e047946bca995d1.zip
op-kernel-dev-8908dd806340513dacfd37b21e047946bca995d1.tar.gz
HID: wacom: Fix wacom_probe error handling
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@gmail.com> Tested-by: Przemo Firszt <przemo@firszt.eu> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-wacom.c')
-rw-r--r--drivers/hid/hid-wacom.c23
1 files changed, 14 insertions, 9 deletions
diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c
index 0f02358..75b970f 100644
--- a/drivers/hid/hid-wacom.c
+++ b/drivers/hid/hid-wacom.c
@@ -859,11 +859,9 @@ 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;
@@ -876,8 +874,8 @@ 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;
}
@@ -892,8 +890,8 @@ 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;
}
@@ -903,10 +901,17 @@ 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;
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