Re: [PATCH 1/2] vmbus: unregister device_obj->channels_kset

[Greg KH]

On Tue, Nov 14, 2017 at 06:53:32AM -0700, kys@xxxxxxxxxxxxxxxxxxxxxx wrote:
> From: Dexuan Cui <decui@xxxxxxxxxxxxx>
> 
> Fixes: c2e5df616e1a ("vmbus: add per-channel sysfs info")
> 
> Without the patch, a device can't be thoroughly destroyed, because
> vmbus_device_register() -> kset_create_and_add() still holds a reference
> to the hv_device's device.kobj.
> 
> Signed-off-by: Dexuan Cui <decui@xxxxxxxxxxxxx>
> Cc: Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx

Why is this marked for stable when the patch it "fixes" is in 4.15-rc1?