linux-kernel - Re: [PATCH] NFC: port100: fix leak of usb

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Message-ID: <20140105000804.GD6003@zurbaran>
Date:	Sun, 5 Jan 2014 01:08:04 +0100
From:	Samuel Ortiz <sameo@...ux.intel.com>
To:	Alexey Khoroshilov <khoroshilov@...ras.ru>
Cc:	Thierry Escande <thierry.escande@...ux.intel.com>,
	Lauro Ramos Venancio <lauro.venancio@...nbossa.org>,
	Aloisio Almeida Jr <aloisio.almeida@...nbossa.org>,
	linux-wireless@...r.kernel.org, linux-nfc@...ts.01.org,
	linux-kernel@...r.kernel.org, ldv-project@...uxtesting.org
Subject: Re: [PATCH] NFC: port100: fix leak of usb_device

Hi Alexey,

On Sun, Jan 05, 2014 at 12:08:05AM +0400, Alexey Khoroshilov wrote:
> port100_probe() calls usb_get_dev(), but there is no usb_put_dev()
> in port100_disconnect(). The patch adds one.
> 
> Found by Linux Driver Verification project (linuxtesting.org).
> 
> Signed-off-by: Alexey Khoroshilov <khoroshilov@...ras.ru>
> ---
>  drivers/nfc/port100.c | 1 +
>  1 file changed, 1 insertion(+)
Patch applied to nfc-next, thanks.
I wonder if we really need to refcount the port100 USB interface, but
dev->in_urb does reference it for the whole driver life cycle, so I
think it all makes sense.

Cheers,
Samuel.

-- 
Intel Open Source Technology Centre
http://oss.intel.com/
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