From cb818a047f2b95f3d9e08568ff7f8f513832ff2f Mon Sep 17 00:00:00 2001 From: Rahul Rameshbabu Date: Mon, 7 Aug 2023 09:36:18 -0700 Subject: [PATCH] HID: nvidia-shield: Remove led_classdev_unregister in thunderstrike_create Avoid calling thunderstrike_led_set_brightness from thunderstrike_create when led_classdev_unregister is called. led_classdev_unregister was called from thunderstrike_create in the error path. Calling thunderstrike_led_set_brightness in this situation is unsafe. Fixes: f88af60e74a5 ("HID: nvidia-shield: Support LED functionality for Thunderstrike") Signed-off-by: Rahul Rameshbabu Signed-off-by: Jiri Kosina --- drivers/hid/hid-nvidia-shield.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/hid/hid-nvidia-shield.c b/drivers/hid/hid-nvidia-shield.c index a928ad2be62d..4e183650c447 100644 --- a/drivers/hid/hid-nvidia-shield.c +++ b/drivers/hid/hid-nvidia-shield.c @@ -513,21 +513,22 @@ static struct shield_device *thunderstrike_create(struct hid_device *hdev) hid_set_drvdata(hdev, shield_dev); + ts->haptics_dev = shield_haptics_create(shield_dev, thunderstrike_play_effect); + if (IS_ERR(ts->haptics_dev)) + return ERR_CAST(ts->haptics_dev); + ret = thunderstrike_led_create(ts); if (ret) { hid_err(hdev, "Failed to create Thunderstrike LED instance\n"); - return ERR_PTR(ret); - } - - ts->haptics_dev = shield_haptics_create(shield_dev, thunderstrike_play_effect); - if (IS_ERR(ts->haptics_dev)) goto err; + } hid_info(hdev, "Registered Thunderstrike controller\n"); return shield_dev; err: - led_classdev_unregister(&ts->led_dev); + if (ts->haptics_dev) + input_unregister_device(ts->haptics_dev); return ERR_CAST(ts->haptics_dev); }