linux-kernel - Re: [PATCH 1170/1285] Replace numeric parameter like 0444 with macro

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Date:	Tue, 2 Aug 2016 22:30:44 +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,
	chuansheng.liu@...el.com, aryabinin@...tuozzo.com
Subject: Re: [PATCH 1170/1285] 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/fireworks/fireworks.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/sound/firewire/fireworks/fireworks.c b/sound/firewire/fireworks/fireworks.c
> index 71a0613..3390b4e 100644
> --- a/sound/firewire/fireworks/fireworks.c
> +++ b/sound/firewire/fireworks/fireworks.c
> @@ -27,16 +27,16 @@ static bool enable[SNDRV_CARDS]	= SNDRV_DEFAULT_ENABLE_PNP;
>  unsigned int snd_efw_resp_buf_size	= 1024;
>  bool snd_efw_resp_buf_debug		= false;
>  
> -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 Fireworks sound card");
> -module_param_named(resp_buf_size, snd_efw_resp_buf_size, uint, 0444);
> +module_param_named(resp_buf_size, snd_efw_resp_buf_size, uint, S_IRUSR | S_IRGRP | S_IROTH);
>  MODULE_PARM_DESC(resp_buf_size,
>  		 "response buffer size (max 4096, default 1024)");
> -module_param_named(resp_buf_debug, snd_efw_resp_buf_debug, bool, 0444);
> +module_param_named(resp_buf_debug, snd_efw_resp_buf_debug, bool, S_IRUSR | S_IRGRP | S_IROTH);
>  MODULE_PARM_DESC(resp_buf_debug, "store all responses to buffer");
>  
>  static DEFINE_MUTEX(devices_mutex);
>