diff --git a/drivers/misc/uacce/uacce.c b/drivers/misc/uacce/uacce.c index 42e7d2a2a90c..43d215fb8c73 100644 --- a/drivers/misc/uacce/uacce.c +++ b/drivers/misc/uacce/uacce.c @@ -519,6 +519,8 @@ EXPORT_SYMBOL_GPL(uacce_alloc); */ int uacce_register(struct uacce_device *uacce) { + int ret; + if (!uacce) return -ENODEV; @@ -529,7 +531,11 @@ int uacce_register(struct uacce_device *uacce) uacce->cdev->ops = &uacce_fops; uacce->cdev->owner = THIS_MODULE; - return cdev_device_add(uacce->cdev, &uacce->dev); + ret = cdev_device_add(uacce->cdev, &uacce->dev); + if (ret) + uacce->cdev = NULL; + + return ret; } EXPORT_SYMBOL_GPL(uacce_register);