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

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Message-ID: <20171113081626.7a725831@xeon-e3>
Date:   Mon, 13 Nov 2017 08:16:26 -0800
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Dexuan Cui <decui@...rosoft.com>
Cc:     "'gregkh@...uxfoundation.org'" <gregkh@...uxfoundation.org>,
        "Stephen Hemminger" <sthemmin@...rosoft.com>,
        KY Srinivasan <kys@...rosoft.com>,
        "'driverdev-devel@...uxdriverproject.org'" 
        <driverdev-devel@...uxdriverproject.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] vmbus: unregister device_obj->channels_kset

On Mon, 13 Nov 2017 01:53:33 +0000
Dexuan Cui <decui@...rosoft.com> wrote:

> 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: K. Y. Srinivasan <kys@...rosoft.com>
> ---

Good catch

Signed-off-by: Stephen Hemminger <sthemmin@...rosoft.com>