linux-kernel - Re: [PATCH v3] usb: gadget: function: fix missing spinlock in f_uac1

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Date:   Tue, 7 Jul 2020 11:35:12 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     qiang.zhang@...driver.com, balbi@...nel.org
Cc:     colin.king@...onical.com, gregkh@...uxfoundation.org,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Subject: Re: [PATCH v3] usb: gadget: function: fix missing spinlock in
 f_uac1_legacy

On 05.07.2020 15:40, qiang.zhang@...driver.com wrote:

> From: Zhang Qiang <qiang.zhang@...driver.com>
> 
> Add a missing spinlock protection for play_queue, because
> the play_queue may be destroyed when the "playback_work"
> work func and "f_audio_out_ep_complete" callback func
> operate this paly_queue at the same time.

    It's play_queue. :-)

> Cc: stable <stable@...r.kernel.org>
> Signed-off-by: Zhang Qiang <qiang.zhang@...driver.com>
[...]

MBR, Sergei