Subject: Re: [PATCH 01/15] cdrom: Remove now superfluous sentinel element from ctl_table array

From: Phillip Potter <[email-masked]>
Date: Sat, 30 Sep 2023 17:52:17 +0100

On Fri, Sep 29, 2023 at 02:17:30PM +0200, Joel Granados wrote:
> On Thu, Sep 28, 2023 at 03:36:55PM +0200, Greg Kroah-Hartman wrote:
> > On Thu, Sep 28, 2023 at 03:21:26PM +0200, Joel Granados via B4 Relay wrote:
> > > From: Joel Granados <[email-masked]>
> > > 
> > > This commit comes at the tail end of a greater effort to remove the
> > > empty elements at the end of the ctl_table arrays (sentinels) which
> > > will reduce the overall build time size of the kernel and run time
> > > memory bloat by ~64 bytes per sentinel (further information Link :
> > > https://lore.kernel.org/all/[email-masked]/)
> > > 
> > > Remove sentinel element from cdrom_table
> > > 
> > > Signed-off-by: Joel Granados <[email-masked]>
> > > ---
> > >  drivers/cdrom/cdrom.c | 3 +--
> > >  1 file changed, 1 insertion(+), 2 deletions(-)
> > > 
> > > diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
> > > index cc2839805983..451907ade389 100644
> > > --- a/drivers/cdrom/cdrom.c
> > > +++ b/drivers/cdrom/cdrom.c
> > > @@ -3654,8 +3654,7 @@ static struct ctl_table cdrom_table[] = {
> > >  		.maxlen		= sizeof(int),
> > >  		.mode		= 0644,
> > >  		.proc_handler	= cdrom_sysctl_handler
> > > -	},
> > > -	{ }
> > > +	}
> > 
> > You should have the final entry as "}," so as to make any future
> > additions to the list to only contain that entry, that's long been the
> > kernel style for lists like this.
> Will send a V2 with this included. Thx.
> 
> > 
> > So your patches will just remove one line, not 2 and add 1, making it a
> > smaller diff.
> indeed.
> 
> > 
> > thanks,
> > 
> > greg k-h
> 
> -- 
> 
> Joel Granados

Hi Joel,

Thank you for your patch. I look forward to seeing V2, and will be happy
to review it.

Regards,
Phil