From: Kang Chen <void0red@xxxxxxxxx> devm_add_action may fails, check it and return early. Signed-off-by: Kang Chen <void0red@xxxxxxxxx> --- v2 -> v1: split the patch drivers/hwmon/nzxt-smart2.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/hwmon/nzxt-smart2.c b/drivers/hwmon/nzxt-smart2.c index 2b93ba896..725974cb3 100644 --- a/drivers/hwmon/nzxt-smart2.c +++ b/drivers/hwmon/nzxt-smart2.c @@ -737,8 +737,10 @@ static int nzxt_smart2_hid_probe(struct hid_device *hdev, init_waitqueue_head(&drvdata->wq); mutex_init(&drvdata->mutex); - devm_add_action(&hdev->dev, (void (*)(void *))mutex_destroy, + ret = devm_add_action(&hdev->dev, (void (*)(void *))mutex_destroy, &drvdata->mutex); + if (ret) + return ret; ret = hid_parse(hdev); if (ret) -- 2.34.1
