linux-kernel - Re: [PATCH 08/11] mfd: ezx-pcap: use devm_request_irq() and devm

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Message-ID: <20130220073337.GC2648@core.coreip.homeip.net>
Date:	Tue, 19 Feb 2013 23:33:37 -0800
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Jingoo Han <jg1.han@...sung.com>
Cc:	'Samuel Ortiz' <sameo@...ux.intel.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 08/11] mfd: ezx-pcap: use devm_request_irq() and
 devm_kzalloc()

On Wed, Feb 20, 2013 at 03:13:06PM +0900, Jingoo Han wrote:
> Use devm_request_irq() and devm_kzalloc() to make cleanup paths
> more simple.
> 
> Signed-off-by: Jingoo Han <jg1.han@...sung.com>
> ---
>  drivers/mfd/ezx-pcap.c |   16 +++++-----------
>  1 files changed, 5 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/mfd/ezx-pcap.c b/drivers/mfd/ezx-pcap.c
> index b7a61f0..8dea3a9 100644
> --- a/drivers/mfd/ezx-pcap.c
> +++ b/drivers/mfd/ezx-pcap.c
> @@ -403,7 +403,6 @@ static int ezx_pcap_remove(struct spi_device *spi)
>  	/* cleanup ADC */
>  	adc_irq = pcap_to_irq(pcap, (pdata->config & PCAP_SECOND_PORT) ?
>  				PCAP_IRQ_ADCDONE2 : PCAP_IRQ_ADCDONE);
> -	free_irq(adc_irq, pcap);
>  	mutex_lock(&pcap->adc_mutex);
>  	for (i = 0; i < PCAP_ADC_MAXQ; i++)
>  		kfree(pcap->adc_queue[i]);
> @@ -415,8 +414,6 @@ static int ezx_pcap_remove(struct spi_device *spi)
>  
>  	destroy_workqueue(pcap->workqueue);
>  
> -	kfree(pcap);
> -

I am pretty sure this conversion is wrong as well. Pretty much
work/workqueue and devm_request_irq() do not mix.

Thanks.

-- 
Dmitry
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