linux-kernel - Re: [PATCH 06/15] hv: acquire vmbus_connection.channel_mutex in vmbus_free

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Date:   Thu, 1 Dec 2016 21:37:08 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     kys@...rosoft.com
Cc:     linux-kernel@...r.kernel.org, devel@...uxdriverproject.org,
        olaf@...fle.de, apw@...onical.com, vkuznets@...hat.com,
        jasowang@...hat.com, leann.ogasawara@...onical.com
Subject: Re: [PATCH 06/15] hv: acquire vmbus_connection.channel_mutex in
 vmbus_free_channels()

On Thu, Dec 01, 2016 at 09:28:43AM -0800, kys@...hange.microsoft.com wrote:
> From: Vitaly Kuznetsov <vkuznets@...hat.com>
> 
> "kernel BUG at drivers/hv/channel_mgmt.c:350!" is observed when hv_vmbus
> module is unloaded. BUG_ON() was introduced in commit 85d9aa705184
> ("Drivers: hv: vmbus: add an API vmbus_hvsock_device_unregister()") as
> vmbus_free_channels() codepath was apparently forgotten.
> 
> Fixes: 85d9aa705184 ("Drivers: hv: vmbus: add an API vmbus_hvsock_device_unregister()")
> Signed-off-by: Vitaly Kuznetsov <vkuznets@...hat.com>
> Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
> ---
>  drivers/hv/channel_mgmt.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)

Shouldn't this go to stable kernels?