linux-kernel - Re: [PATCH] staging: gasket: replace symbolic permissions

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Message-ID: <20200618074750.GA186463@kroah.com>
Date:   Thu, 18 Jun 2020 09:47:50 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     "Rodolfo C. Villordo" <rodolfovillordo@...il.com>
Cc:     linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org,
        Richard Yeh <rcy@...gle.com>,
        Rob Springer <rspringer@...gle.com>,
        Todd Poynor <toddpoynor@...gle.com>
Subject: Re: [PATCH] staging: gasket: replace symbolic permissions

On Mon, Jun 01, 2020 at 12:52:40AM +0000, Rodolfo C. Villordo wrote:
> WARNING: Symbolic permissions 'S_IRUGO' are not preferred. Consider using octal permissions '0444'.
> +               .attr = __ATTR(_name, S_IRUGO, _show_function, NULL),          \
> warning detected by checkpatch.pl
> 
> Signed-off-by: Rodolfo C. Villordo <rodolfovillordo@...il.com>
> ---
>  drivers/staging/gasket/gasket_sysfs.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/gasket/gasket_sysfs.h b/drivers/staging/gasket/gasket_sysfs.h
> index ab5aa351d555..d5e167dfbe76 100644
> --- a/drivers/staging/gasket/gasket_sysfs.h
> +++ b/drivers/staging/gasket/gasket_sysfs.h
> @@ -71,7 +71,7 @@ struct gasket_sysfs_attribute {
>  
>  #define GASKET_SYSFS_RO(_name, _show_function, _attr_type)                     \
>  	{                                                                      \
> -		.attr = __ATTR(_name, S_IRUGO, _show_function, NULL),          \
> +		.attr = __ATTR(_name, 0444, _show_function, NULL),          \

What about using __ATTR_RO() instead?

thanks,

greg k-h