linux-kernel - Re: [PATCH] [media] s2255drv: fix memory leak s2255

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Date:	Fri, 9 May 2014 10:32:52 +0300
From:	Sakari Ailus <sakari.ailus@....fi>
To:	Daeseok Youn <daeseok.youn@...il.com>
Cc:	m.chehab@...sung.com, linux-dev@...soray.com,
	hans.verkuil@...co.com, linux-media@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [media] s2255drv: fix memory leak s2255_probe()

Hi Daeseok,

Thanks for the update! :-)

On Fri, May 09, 2014 at 07:57:18AM +0900, Daeseok Youn wrote:
> smatch says:
>  drivers/media/usb/s2255/s2255drv.c:2246 s2255_probe() warn:
> possible memory leak of 'dev'
> 
> Signed-off-by: Daeseok Youn <daeseok.youn@...il.com>
> ---
> V2: use the same pattern for error handling.
> 
>  drivers/media/usb/s2255/s2255drv.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/media/usb/s2255/s2255drv.c b/drivers/media/usb/s2255/s2255drv.c
> index 1d4ba2b..3193474 100644
> --- a/drivers/media/usb/s2255/s2255drv.c
> +++ b/drivers/media/usb/s2255/s2255drv.c
> @@ -2243,7 +2243,7 @@ static int s2255_probe(struct usb_interface *interface,
>  	dev->cmdbuf = kzalloc(S2255_CMDBUF_SIZE, GFP_KERNEL);
>  	if (dev->cmdbuf == NULL) {
>  		s2255_dev_err(&interface->dev, "out of memory\n");
> -		return -ENOMEM;
> +		goto errorFWDATA1;
>  	}
>  
>  	atomic_set(&dev->num_channels, 0);

Acked-by: Sakari Ailus <sakari.ailus@...ux.intel.com>

-- 
Kind regards,

Sakari Ailus
e-mail: sakari.ailus@....fi	XMPP: sailus@...iisi.org.uk
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