On Mon, Jul 30, 2018 at 3:12 AM Hannes Reinecke wrote: > Use device_add_disk_with_groups() to avoid a race condition with > udev during startup. > I love the idea of getting rid of the race, but I am having trouble seeing what happened to the cleanup we had via sysfs_remove_group. You're storing a pointer to groups off the device, but I don't see it getting used for cleanup later in this patch set. Are you patching linux-next? -- Ed