linux-kernel - Re: [PATCH 0841/1285] Replace numeric parameter like 0444 with macro

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Date:	Thu, 11 Aug 2016 21:21:48 +0000
From:	"Peter Feuerer" <peter@...e.net>
To:	"Baole Ni" <baolex.ni@...el.com>, dvhart@...radead.org,
	david.vrabel@...rix.com, jgross@...e.com, bhelgaas@...gle.com,
	m.chehab@...sung.com, pawel@...iak.com, m.szyprowski@...sung.com,
	kyungmin.park@...sung.com, k.kozlowski@...sung.com
Cc:	platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
	chuansheng.liu@...el.com
Subject: Re: [PATCH 0841/1285] Replace numeric parameter like 0444 with
 macro

2. August 2016 14:29 Uhr, "Baole Ni" <baolex.ni@...el.com> schrieb:
> I find that the developers often just specified the numeric value
> when calling a macro which is defined with a parameter for access permission.
> As we know, these numeric value for access permission have had the corresponding macro,
> and that using macro can improve the robustness and readability of the code,
> thus, I suggest replacing the numeric parameter with the macro.
> 
> Signed-off-by: Chuansheng Liu <chuansheng.liu@...el.com>
> Signed-off-by: Baole Ni <baolex.ni@...el.com>

Acked-by: Peter Feuerer <peter@...e.net>

> ---
> drivers/platform/x86/acerhdf.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c
> index 460fa67..a4706dd 100644
> --- a/drivers/platform/x86/acerhdf.c
> +++ b/drivers/platform/x86/acerhdf.c
> @@ -96,13 +96,13 @@ static struct platform_device *acerhdf_dev;
> 
> module_param(kernelmode, uint, 0);
> MODULE_PARM_DESC(kernelmode, "Kernel mode fan control on / off");
> -module_param(interval, uint, 0600);
> +module_param(interval, uint, S_IRUSR | S_IWUSR);
> MODULE_PARM_DESC(interval, "Polling interval of temperature check");
> -module_param(fanon, uint, 0600);
> +module_param(fanon, uint, S_IRUSR | S_IWUSR);
> MODULE_PARM_DESC(fanon, "Turn the fan on above this temperature");
> -module_param(fanoff, uint, 0600);
> +module_param(fanoff, uint, S_IRUSR | S_IWUSR);
> MODULE_PARM_DESC(fanoff, "Turn the fan off below this temperature");
> -module_param(verbose, uint, 0600);
> +module_param(verbose, uint, S_IRUSR | S_IWUSR);
> MODULE_PARM_DESC(verbose, "Enable verbose dmesg output");
> module_param_string(force_bios, force_bios, 16, 0);
> MODULE_PARM_DESC(force_bios, "Force BIOS version and omit BIOS check");
> -- 
> 2.9.2

-- 
thanks,
--peter;