linux-kernel - Re: [PATCH 1/9] eeepc-laptop: clean up coding style

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Date:	Thu, 18 Sep 2014 07:01:25 +0200
From:	Frans Klaver <fransklaver@...il.com>
To:	Joe Perches <joe@...ches.com>
CC:	Darren Hart <dvhart@...radead.org>,
	Corentin Chary <corentin.chary@...il.com>,
	Rafael Wysocki <rafael.j.wysocki@...el.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	acpi4asus-user@...ts.sourceforge.net,
	platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/9] eeepc-laptop: clean up coding style

On 18 September 2014 00:06:52 CEST, Joe Perches <joe@...ches.com> wrote:
>On Wed, 2014-09-17 at 23:47 +0200, Frans Klaver wrote:
>> Correct indentation and brace usage to comply with
>> Documentation/CodingStyle.
>> 
>> Signed-off-by: Frans Klaver <fransklaver@...il.com>
>> ---
>>  drivers/platform/x86/eeepc-laptop.c | 8 +++++---
>>  1 file changed, 5 insertions(+), 3 deletions(-)
>> 
>> diff --git a/drivers/platform/x86/eeepc-laptop.c
>b/drivers/platform/x86/eeepc-laptop.c
>> index 3095d38..653999e 100644
>> --- a/drivers/platform/x86/eeepc-laptop.c
>> +++ b/drivers/platform/x86/eeepc-laptop.c
>> @@ -544,7 +544,7 @@ static int eeepc_led_init(struct eeepc_laptop
>*eeepc)
>>  	eeepc->tpd_led.name = "eeepc::touchpad";
>>  	eeepc->tpd_led.brightness_set = tpd_led_set;
>>  	if (get_acpi(eeepc, CM_ASL_TPD) >= 0) /* if method is available */
>> -	  eeepc->tpd_led.brightness_get = tpd_led_get;
>> +		eeepc->tpd_led.brightness_get = tpd_led_get;
>>  	eeepc->tpd_led.max_brightness = 1;
>>  
>>  	rv = led_classdev_register(&eeepc->platform_device->dev,
>> @@ -692,8 +692,9 @@ static int eeepc_register_rfkill_notifier(struct
>eeepc_laptop *eeepc,
>>  		 * changed during setup.
>>  		 */
>>  		eeepc_rfkill_hotplug(eeepc, handle);
>> -	} else
>> +	} else {
>>  		return -ENODEV;
>> +	}
>>  
>>  	return 0;
>>  }
>
>This sort of code:
>
>	if (foo) {
>		[ do_something ]
>	} else
>		return -ERRVAL;
>
>is generally better rewritten as:
>
>	if (!foo)
>		return -ERRVAL;
>
>	[ do_something ]
>
>This gives immediacy to the error handler and
>as well reduces unnecessary indentation.

I fully agree. 

Darren, do you still take this in one patch? 

Frans

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