linux-kernel - Re: [PATCH 08/11] sysctl: Add size to register_sysctl

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Date:   Wed, 21 Jun 2023 15:15:52 +0200
From:   Joel Granados <j.granados@...sung.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:     <mcgrof@...nel.org>, Thomas Gleixner <tglx@...utronix.de>,
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Subject: Re: [PATCH 08/11] sysctl: Add size to register_sysctl_init

On Wed, Jun 21, 2023 at 12:47:58PM +0200, Greg Kroah-Hartman wrote:
> On Wed, Jun 21, 2023 at 11:09:57AM +0200, Joel Granados wrote:
> >  static int __init random_sysctls_init(void)
> >  {
> > -	register_sysctl_init("kernel/random", random_table);
> > +	register_sysctl_init("kernel/random", random_table,
> > +			     ARRAY_SIZE(random_table));
> 
> As mentioned before, why not just do:
> 
> #define register_sysctl_init(string, table)	\
> 	__register_sysctl_init(string, table, ARRAY_SIZE(table);
Answered you in the original mail where you suggested it.

Best
> 
> or something like that?
> 
> That way no callers need to change AND you prevent the size from ever
> being incorrect?
> 
> thanks,
> 
> greg k-h

-- 

Joel Granados

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