linux-kernel - Re: [PATCH] ALSA: usb-audio: Fix parsing descriptor of UAC2 processing unit

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Date:   Mon, 19 Mar 2018 08:40:19 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Kirill Marinushkin <k.marinushkin@...il.com>
Cc:     Mark Brown <broonie@...nel.org>, Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Felipe Balbi <felipe.balbi@...ux.intel.com>,
        Philippe Ombredanne <pombredanne@...b.com>,
        Ruslan Bilovol <ruslan.bilovol@...il.com>,
        linux-kernel@...r.kernel.org, alsa-devel@...a-project.org
Subject: Re: [PATCH] ALSA: usb-audio: Fix parsing descriptor of UAC2
 processing unit

On Mon, Mar 19, 2018 at 07:11:08AM +0100, Kirill Marinushkin wrote:
> Currently, the offsets in the UAC2 processing unit descriptor are
> calculated incorrectly. It causes an issue when connecting the device which
> provides such a feature:
> 
> ~~~~
> [84126.724420] usb 1-1.3.1: invalid Processing Unit descriptor (id 18)
> ~~~~
> 
> After this patch is applied, the UAC2 processing unit inits w/o this error.
> 
> Fixes: 5e1ddb481776 ("UAPI: (Scripted) Disintegrate include/linux/usb")
> Signed-off-by: Kirill Marinushkin <k.marinushkin@...il.com>
> Cc: Mark Brown <broonie@...nel.org>
> Cc: Jaroslav Kysela <perex@...ex.cz>
> Cc: Takashi Iwai <tiwai@...e.com>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Felipe Balbi <felipe.balbi@...ux.intel.com>
> Cc: Philippe Ombredanne <pombredanne@...b.com>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: Ruslan Bilovol <ruslan.bilovol@...il.com>
> Cc: linux-kernel@...r.kernel.org
> Cc: alsa-devel@...a-project.org
> ---
>  include/uapi/linux/usb/audio.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

	Cc: stable <stable@...r.kernel.org>
 perhaps?