linux-kernel - Re: [PATCH 0252/1285] Replace numeric parameter like 0444 with macro

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Date:	Wed, 3 Aug 2016 14:32:34 -0400
From:	"ira.weiny" <ira.weiny@...el.com>
To:	Baole Ni <baolex.ni@...el.com>
Cc:	dledford@...hat.com, sean.hefty@...el.com,
	hal.rosenstock@...il.com, airlied@...ux.ie, kgene@...nel.org,
	k.kozlowski@...sung.com, dougthompson@...ssion.com, bp@...en8.de,
	linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org,
	sagi@...mberg.me, hch@...radead.org, matanb@...lanox.com,
	markb@...lanox.com, jgunthorpe@...idianresearch.com,
	dean.luick@...el.com, chuansheng.liu@...el.com
Subject: Re: [PATCH 0252/1285] Replace numeric parameter like 0444 with macro

On Tue, Aug 02, 2016 at 06:53:28PM +0800, 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: Ira Weiny <ira.weiny@...el.com>

> ---
>  drivers/infiniband/core/mad.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
> index 2d49228..d78e96f 100644
> --- a/drivers/infiniband/core/mad.c
> +++ b/drivers/infiniband/core/mad.c
> @@ -52,9 +52,9 @@
>  static int mad_sendq_size = IB_MAD_QP_SEND_SIZE;
>  static int mad_recvq_size = IB_MAD_QP_RECV_SIZE;
>  
> -module_param_named(send_queue_size, mad_sendq_size, int, 0444);
> +module_param_named(send_queue_size, mad_sendq_size, int, S_IRUSR | S_IRGRP | S_IROTH);
>  MODULE_PARM_DESC(send_queue_size, "Size of send queue in number of work requests");
> -module_param_named(recv_queue_size, mad_recvq_size, int, 0444);
> +module_param_named(recv_queue_size, mad_recvq_size, int, S_IRUSR | S_IRGRP | S_IROTH);
>  MODULE_PARM_DESC(recv_queue_size, "Size of receive queue in number of work requests");
>  
>  static struct list_head ib_mad_port_list;
> -- 
> 2.9.2
>