HID: lenovo: Remove sysfs group on failure path

There is no sysfs_group_remove() on failure path in lenovo_probe_tpkbd().

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

diff --git a/drivers/hid/hid-lenovo.c b/drivers/hid/hid-lenovo.c
index c4c3f09..64ed3e3 100644 (file)
--- a/drivers/hid/hid-lenovo.c
+++ b/drivers/hid/hid-lenovo.c
@@ -599,7 +599,8 @@ static int lenovo_probe_tpkbd(struct hid_device *hdev)
                                    GFP_KERNEL);
        if (data_pointer == NULL) {
                hid_err(hdev, "Could not allocate memory for driver data\n");
-               return -ENOMEM;
+               ret = -ENOMEM;
+               goto err;
        }
 
        // set same default values as windows driver
@@ -610,7 +611,8 @@ static int lenovo_probe_tpkbd(struct hid_device *hdev)
        name_micmute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL);
        if (name_mute == NULL || name_micmute == NULL) {
                hid_err(hdev, "Could not allocate memory for led data\n");
-               return -ENOMEM;
+               ret = -ENOMEM;
+               goto err;
        }
        snprintf(name_mute, name_sz, "%s:amber:mute", dev_name(dev));
        snprintf(name_micmute, name_sz, "%s:amber:micmute", dev_name(dev));
@@ -634,6 +636,9 @@ static int lenovo_probe_tpkbd(struct hid_device *hdev)
        lenovo_features_set_tpkbd(hdev);
 
        return 0;
+err:
+       sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd);
+       return ret;
 }
 
 static int lenovo_probe_cptkbd(struct hid_device *hdev)