linux-kernel - Re: [PATCH] [media] usbtv: fix leak at failure path in usbtv

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Message-ID: <1401148238.1590.2.camel@odvarok>
Date:	Tue, 27 May 2014 01:50:38 +0200
From:	Lubomir Rintel <lkundrak@...sk>
To:	Alexey Khoroshilov <khoroshilov@...ras.ru>
Cc:	Hans Verkuil <hverkuil@...all.nl>,
	Mauro Carvalho Chehab <m.chehab@...sung.com>,
	linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
	ldv-project@...uxtesting.org
Subject: Re: [PATCH] [media] usbtv: fix leak at failure path in usbtv_probe()

On Sat, 2014-05-24 at 00:47 +0400, Alexey Khoroshilov wrote:
> Error handling code in usbtv_probe() misses usb_put_dev().
> 
> Found by Linux Driver Verification project (linuxtesting.org).
> 
> Signed-off-by: Alexey Khoroshilov <khoroshilov@...ras.ru>

Acked-by: Lubomir Rintel <lkundrak@...sk>

Thank you!
Lubo

> ---
>  drivers/media/usb/usbtv/usbtv-core.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/media/usb/usbtv/usbtv-core.c b/drivers/media/usb/usbtv/usbtv-core.c
> index 2f87ddfa469f..473fab81b602 100644
> --- a/drivers/media/usb/usbtv/usbtv-core.c
> +++ b/drivers/media/usb/usbtv/usbtv-core.c
> @@ -91,6 +91,8 @@ static int usbtv_probe(struct usb_interface *intf,
>  	return 0;
>  
>  usbtv_video_fail:
> +	usb_set_intfdata(intf, NULL);
> +	usb_put_dev(usbtv->udev);
>  	kfree(usbtv);
>  
>  	return ret;


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