linux-kernel - Re: [PATCH v4] add support for Freescale's MMA8653FC 10 bit accelerometer

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Date:	Fri, 20 Mar 2015 14:43:03 +0100
From:	Martin Kepplinger <martink@...teo.de>
To:	Varka Bhadram <varkabhadram@...il.com>, mark.rutland@....com,
	robh+dt@...nel.org, Pawel.Moll@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	dmitry.torokhov@...il.com, alexander.stein@...tec-electronic.com
CC:	hadess@...ess.net, akpm@...ux-foundation.org,
	gregkh@...uxfoundation.org, linux-api@...r.kernel.org,
	devicetree@...r.kernel.org, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Martin Kepplinger <martin.kepplinger@...obroma-systems.com>,
	Christoph Muellner <christoph.muellner@...obroma-systems.com>
Subject: Re: [PATCH v4] add support for Freescale's MMA8653FC 10 bit accelerometer

Am 2015-03-20 um 12:31 schrieb Varka Bhadram:
> On 03/20/2015 04:50 PM, Martin Kepplinger wrote:
>> From: Martin Kepplinger <martin.kepplinger@...obroma-systems.com>
>>
( ...)
>> +    return 0;
>> +
>> + err_free_irq:
>> +    if (mma->irq)
>> +        free_irq(mma->irq, mma);
>> + err_free_mem:
>> +    kfree(mma);
> 
> If we use devm_* API's above steps are not required
> 
>> + err_out:
>> +    return err;
>> +}
>> +
>> +static int mma8653fc_remove(struct i2c_client *client)
>> +{
>> +    struct mma8653fc *mma = i2c_get_clientdata(client);
>> +
>> +    free_irq(mma->irq, mma);
>> +    dev_dbg(&client->dev, "unregistered accelerometer\n");
>> +    kfree(mma);
> 
> same as above..
> 

thanks!


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