3939 void nvme_cdev_del(struct cdev *cdev, struct device *cdev_device)  in nvme_cdev_del()  argument
3941 	cdev_device_del(cdev, cdev_device);  in nvme_cdev_del()
3942 	put_device(cdev_device);  in nvme_cdev_del()
3945 int nvme_cdev_add(struct cdev *cdev, struct device *cdev_device,  in nvme_cdev_add()  argument
3953 	cdev_device->devt = MKDEV(MAJOR(nvme_ns_chr_devt), minor);  in nvme_cdev_add()
3954 	cdev_device->class = nvme_ns_chr_class;  in nvme_cdev_add()
3955 	cdev_device->release = nvme_cdev_rel;  in nvme_cdev_add()
3956 	device_initialize(cdev_device);  in nvme_cdev_add()
3959 	ret = cdev_device_add(cdev, cdev_device);  in nvme_cdev_add()
3961 		put_device(cdev_device);  in nvme_cdev_add()
3991 	ns->cdev_device.parent = ns->ctrl->device;  in nvme_add_ns_cdev()
3992 	ret = dev_set_name(&ns->cdev_device, "ng%dn%d",  in nvme_add_ns_cdev()
3997 	return nvme_cdev_add(&ns->cdev, &ns->cdev_device, &nvme_ns_chr_fops,  in nvme_add_ns_cdev()
4310 		nvme_cdev_del(&ns->cdev, &ns->cdev_device);  in nvme_ns_remove()