linux-kernel - Re: [PATCH 1/2] vmbus: unregister device_obj->channels

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Message-ID: <20171128092940.0cec2377@xeon-e3>
Date:   Tue, 28 Nov 2017 09:29:40 -0800
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     kys@...rosoft.com, olaf@...fle.de, sthemmin@...rosoft.com,
        jasowang@...hat.com, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org, marcelo.cerri@...onical.com,
        apw@...onical.com, devel@...uxdriverproject.org,
        vkuznets@...hat.com, leann.ogasawara@...onical.com
Subject: Re: [PATCH 1/2] vmbus: unregister device_obj->channels_kset

On Tue, 28 Nov 2017 16:56:05 +0100
Greg KH <gregkh@...uxfoundation.org> wrote:

> On Tue, Nov 14, 2017 at 06:53:32AM -0700, kys@...hange.microsoft.com wrote:
> > From: Dexuan Cui <decui@...rosoft.com>
> > 
> > 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@...rosoft.com>
> > Cc: Stephen Hemminger <sthemmin@...rosoft.com>
> > Cc: stable@...r.kernel.org  
> 
> Why is this marked for stable when the patch it "fixes" is in 4.15-rc1?

It doesn't need to go to stable.