netdev - Re: [PATCH 1084/1285] Replace numeric parameter like 0444 with macro

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Message-ID: <20160802092731.3e5c65e1@gandalf.local.home>
Date:	Tue, 2 Aug 2016 09:27:31 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Baole Ni <baolex.ni@...el.com>
Cc:	davem@...emloft.net, jiangshanlai@...il.com,
	mathieu.desnoyers@...icios.com, m.chehab@...sung.com,
	gregkh@...uxfoundation.org, m.szyprowski@...sung.com,
	kyungmin.park@...sung.com, k.kozlowski@...sung.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	chuansheng.liu@...el.com, oleg@...hat.com,
	gang.chen.5i5j@...il.com, mhocko@...e.com, koct9i@...il.com,
	aarcange@...hat.com, aryabinin@...tuozzo.com
Subject: Re: [PATCH 1084/1285] Replace numeric parameter like 0444 with
 macro

On Tue,  2 Aug 2016 20:15:02 +0800
Baole Ni <baolex.ni@...el.com> 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.
> 

NACK!

I find 0444 more readable than S_IRUSR | S_IRGRP | S_IROTH.

-- Steve

> Signed-off-by: Chuansheng Liu <chuansheng.liu@...el.com>
> Signed-off-by: Baole Ni <baolex.ni@...el.com>
> ---
>  net/802/mrp.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/net/802/mrp.c b/net/802/mrp.c
> index 72db278..4ff215f 100644
> --- a/net/802/mrp.c
> +++ b/net/802/mrp.c
> @@ -22,11 +22,11 @@
>  #include <asm/unaligned.h>
>  
>  static unsigned int mrp_join_time __read_mostly = 200;
> -module_param(mrp_join_time, uint, 0644);
> +module_param(mrp_join_time, uint, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
>  MODULE_PARM_DESC(mrp_join_time, "Join time in ms (default 200ms)");
>  
>  static unsigned int mrp_periodic_time __read_mostly = 1000;
> -module_param(mrp_periodic_time, uint, 0644);
> +module_param(mrp_periodic_time, uint, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
>  MODULE_PARM_DESC(mrp_periodic_time, "Periodic time in ms (default 1s)");
>  
>  MODULE_LICENSE("GPL");