Change cdev owner to parent driver owner, which blocks rmmod parent driver module once fd is opened.
Signed-off-by: Yang Shen shenyang39@huawei.com Signed-off-by: Zhangfei Gao zhangfei.gao@linaro.org --- drivers/misc/uacce/uacce.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/misc/uacce/uacce.c b/drivers/misc/uacce/uacce.c index 281c54003edc..f82f2dd30e76 100644 --- a/drivers/misc/uacce/uacce.c +++ b/drivers/misc/uacce/uacce.c @@ -484,7 +484,7 @@ int uacce_register(struct uacce_device *uacce) return -ENOMEM;
uacce->cdev->ops = &uacce_fops; - uacce->cdev->owner = THIS_MODULE; + uacce->cdev->owner = uacce->parent->driver->owner;
return cdev_device_add(uacce->cdev, &uacce->dev); }