linux-kernel - Re: [PATCH] gpio: stmpe: fix error path

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Date:	Mon, 13 Sep 2010 21:37:28 +0200
From:	Wolfram Sang <w.sang@...gutronix.de>
To:	Vasiliy Kulikov <segooon@...il.com>
Cc:	kernel-janitors@...r.kernel.org,
	Rabin Vincent <rabin.vincent@...ricsson.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Luotao Fu <l.fu@...gutronix.de>,
	Linus Walleij <linus.walleij@...ricsson.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] gpio: stmpe: fix error path

On Sun, Sep 12, 2010 at 10:57:19PM +0400, Vasiliy Kulikov wrote:
> Free allocated memory.  Call stmpe_disable() if it was enabled.
> 
> Signed-off-by: Vasiliy Kulikov <segooon@...il.com>
> ---
>  Compile tested.
>  Maybe It needs better error path.

What do you mean here? Looks good to me so far.

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

> 
>  drivers/gpio/stmpe-gpio.c |    6 ++++--
>  1 files changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpio/stmpe-gpio.c b/drivers/gpio/stmpe-gpio.c
> index 65b9960..6e28afa 100644
> --- a/drivers/gpio/stmpe-gpio.c
> +++ b/drivers/gpio/stmpe-gpio.c
> @@ -317,11 +317,11 @@ static int __devinit stmpe_gpio_probe(struct platform_device *pdev)
>  
>  	ret = stmpe_enable(stmpe, STMPE_BLOCK_GPIO);
>  	if (ret)
> -		return ret;
> +		goto out_free;
>  
>  	ret = stmpe_gpio_irq_init(stmpe_gpio);
>  	if (ret)
> -		goto out_free;
> +		goto out_disable;
>  
>  	ret = request_threaded_irq(irq, NULL, stmpe_gpio_irq, IRQF_ONESHOT,
>  				   "stmpe-gpio", stmpe_gpio);
> @@ -347,6 +347,8 @@ out_freeirq:
>  	free_irq(irq, stmpe_gpio);
>  out_removeirq:
>  	stmpe_gpio_irq_remove(stmpe_gpio);
> +out_disable:
> +	stmpe_disable(stmpe, STMPE_BLOCK_GPIO);
>  out_free:
>  	kfree(stmpe_gpio);
>  	return ret;
> -- 
> 1.7.0.4
> 

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

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