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

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Date:	Fri, 19 Sep 2014 19:17:55 +0200
From:	Frans Klaver <fransklaver@...il.com>
To:	Darren Hart <dvhart@...radead.org>
CC:	Joe Perches <joe@...ches.com>,
	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 19 September 2014 18:46:03 CEST, Darren Hart <dvhart@...radead.org> wrote:
>On Thu, Sep 18, 2014 at 07:01:25AM +0200, Frans Klaver wrote:
>> 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? 
>
>I'll take the cleanup patch as is. I'm happy to take a separate patch
>to improve
>the code flow.

Alright. Thanks. 

Frans 


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