linux-kernel - Re: [PATCH 2/2 v2] Input: stmpe-ts - return -ENOMEM if memory allocation fail

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Date:	Sun, 5 Sep 2010 07:21:01 +0200
From:	Wolfram Sang <w.sang@...gutronix.de>
To:	Axel Lin <axel.lin@...il.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Luotao Fu <l.fu@...gutronix.de>, linux-input@...r.kernel.org
Subject: Re: [PATCH 2/2 v2] Input: stmpe-ts - return -ENOMEM if memory
	allocation fail

On Sun, Sep 05, 2010 at 11:10:44AM +0800, Axel Lin wrote:
> Signed-off-by: Axel Lin <axel.lin@...il.com>

Acked-by: Wolfram Sang <w.sang@...gutronix.de>

> ---
> Change since v1:
> remove unneeded initialization of 'ret' variable
> 
>  drivers/input/touchscreen/stmpe-ts.c |   10 +++++++---
>  1 files changed, 7 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/input/touchscreen/stmpe-ts.c b/drivers/input/touchscreen/stmpe-ts.c
> index 656148e..06869e4 100644
> --- a/drivers/input/touchscreen/stmpe-ts.c
> +++ b/drivers/input/touchscreen/stmpe-ts.c
> @@ -268,7 +268,7 @@ static int __devinit stmpe_input_probe(struct platform_device *pdev)
>  	struct stmpe_touch *ts;
>  	struct input_dev *idev;
>  	struct stmpe_ts_platform_data *ts_pdata = NULL;
> -	int ret = 0;
> +	int ret;
>  	int ts_irq;
>  
>  	ts_irq = platform_get_irq_byname(pdev, "FIFO_TH");
> @@ -276,12 +276,16 @@ static int __devinit stmpe_input_probe(struct platform_device *pdev)
>  		return ts_irq;
>  
>  	ts = kzalloc(sizeof(*ts), GFP_KERNEL);
> -	if (!ts)
> +	if (!ts) {
> +		ret = -ENOMEM;
>  		goto err_out;
> +	}
>  
>  	idev = input_allocate_device();
> -	if (!idev)
> +	if (!idev) {
> +		ret = -ENOMEM;
>  		goto err_free_ts;
> +	}
>  
>  	platform_set_drvdata(pdev, ts);
>  	ts->stmpe = stmpe;
> -- 
> 1.7.0.4
> 
> 
> 

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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