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
--- a/drivers/hid/hid-lenovo.c
+++ b/drivers/hid/hid-lenovo.c
@@ -599,7 +599,8 @@
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 @@
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 @@
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)