linux-kernel - Re: [PATCH 3/4] backlight: lcd: call put_device if device

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Message-ID: <52AF355E.3080105@linux.com>
Date:	Mon, 16 Dec 2013 18:16:14 +0100
From:	Levente Kurusa <levex@...ux.com>
To:	Jingoo Han <jg1.han@...sung.com>,
	'Andrew Morton' <akpm@...ux-foundation.org>
CC:	'LKML' <linux-kernel@...r.kernel.org>,
	'Jean-Christophe Plagniol-Villard' <plagnioj@...osoft.com>,
	'Tomi Valkeinen' <tomi.valkeinen@...com>,
	linux-fbdev@...r.kernel.org
Subject: Re: [PATCH 3/4] backlight: lcd: call put_device if device_register
 fails

On 12/16/2013 05:52 AM, Jingoo Han wrote:
> On Saturday, December 14, 2013 3:40 AM, Levente Kurusa wrote:
>>
>> Currently we kfree the container of the device which failed to register.
>> This is wrong as the last reference is not given up with a put_device
>> call. Also, now that we have put_device() callen, we no longer need
>> the kfree as the new_ld->dev.release function will take care of kfreeing
>> the associated memory.
>>
>> Signed-off-by: Levente Kurusa <levex@...ux.com>
> 
> (+cc Andrew Morton)
> 
> Acked-by: Jingoo Han <jg1.han@...sung.com>
> 
> It looks good.
> According to the comment of device_register, put_device()
> should be used, instead of directly freeing.
Indeed, this is also mostly explained in [0/4]. Thanks for the Ack!
> 
[...]
> 
> Levente Kurusa,
> By the way, don't send the same mails three times, without any
> reason. It is the waste of traffic. :-(
> 

Yea, sorry about that I messed up my git's smtp config and hence most of the
messages bounced off. It didn't even reach LKML. Sorry once more.


-- 
Regards,
Levente Kurusa
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