linux-kernel - Re: [PATCH 1169/1285] Replace numeric parameter like 0444 with macro

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Date:	Tue, 2 Aug 2016 22:29:36 +0900
From:	Takashi Sakamoto <o-takashi@...amocchi.jp>
To:	Baole Ni <baolex.ni@...el.com>, clemens@...isch.de, perex@...ex.cz,
	tiwai@...e.com, serge@...lyn.com, davem@...emloft.net,
	kadlec@...ckhole.kfki.hu, m.szyprowski@...sung.com,
	kyungmin.park@...sung.com, k.kozlowski@...sung.com
Cc:	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
	julia.lawall@...6.fr, chuansheng.liu@...el.com,
	aryabinin@...tuozzo.com
Subject: Re: [PATCH 1169/1285] Replace numeric parameter like 0444 with macro

On Aug 2 2016 21:22, Baole Ni wrote:
> 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>

Reviewed-by: Takashi Sakamoto <o-takashi@...amocchi.jp>

> ---
>  sound/firewire/bebob/bebob.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/sound/firewire/bebob/bebob.c b/sound/firewire/bebob/bebob.c
> index f7e2cbd..ec67fc6 100644
> --- a/sound/firewire/bebob/bebob.c
> +++ b/sound/firewire/bebob/bebob.c
> @@ -22,11 +22,11 @@ static int index[SNDRV_CARDS]	= SNDRV_DEFAULT_IDX;
>  static char *id[SNDRV_CARDS]	= SNDRV_DEFAULT_STR;
>  static bool enable[SNDRV_CARDS]	= SNDRV_DEFAULT_ENABLE_PNP;
>  
> -module_param_array(index, int, NULL, 0444);
> +module_param_array(index, int, NULL, S_IRUSR | S_IRGRP | S_IROTH);
>  MODULE_PARM_DESC(index, "card index");
> -module_param_array(id, charp, NULL, 0444);
> +module_param_array(id, charp, NULL, S_IRUSR | S_IRGRP | S_IROTH);
>  MODULE_PARM_DESC(id, "ID string");
> -module_param_array(enable, bool, NULL, 0444);
> +module_param_array(enable, bool, NULL, S_IRUSR | S_IRGRP | S_IROTH);
>  MODULE_PARM_DESC(enable, "enable BeBoB sound card");
>  
>  static DEFINE_MUTEX(devices_mutex);