Re: [PATCH v3 2/3] block: convert to device_add_disk()

[Bart Van Assche]

On 06/17/2016 06:34 PM, Dan Williams wrote:
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index ef6b4d960bad..4e7cb5df8e43 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -823,12 +823,11 @@ static int ubd_disk_register(int major, u64 size, int 
unit,
                ubd_devs[unit].pdev.dev.release = ubd_device_release;
                dev_set_drvdata(&ubd_devs[unit].pdev.dev, &ubd_devs[unit]);
                platform_device_register(&ubd_devs[unit].pdev);
-               disk->driverfs_dev = &ubd_devs[unit].pdev.dev;
        }
        disk->private_data = &ubd_devs[unit];
        disk->queue = ubd_devs[unit].queue;
-       add_disk(disk);
+       device_add_disk(&ubd_devs[unit].pdev.dev, disk);

        *disk_out = disk;
        return 0;

Have you reviewed this patch yourself? I think the above change is an 
unintended behavior change.

Bart.