Re: [PATCH 3/4] thermal: exynos: constify thermal_zone_of_device_ops structures
From: Bartlomiej Zolnierkiewicz
Date: Mon Aug 07 2017 - 11:21:39 EST
On Saturday, August 05, 2017 10:37:16 PM Julia Lawall wrote:
> The thermal_zone_of_device_ops structure is only passed as the fourth
> argument to thermal_zone_of_sensor_register, which is declared as const.
> Thus the thermal_zone_of_device_ops structure itself can be const.
>
> Done with the help of Coccinelle.
>
> // <smpl>
> @r disable optional_qualifier@
> identifier i;
> position p;
> @@
> static struct thermal_zone_of_device_ops i@p = { ... };
>
> @ok1@
> identifier r.i;
> expression e1,e2,e3;
> position p;
> @@
> thermal_zone_of_sensor_register(e1,e2,e3,&i@p)
>
> @bad@
> position p != {r.p,ok1.p};
> identifier r.i;
> struct thermal_zone_of_device_ops e;
> @@
> e@i@p
>
> @depends on !bad disable optional_qualifier@
> identifier r.i;
> @@
> static
> +const
> struct thermal_zone_of_device_ops i = { ... };
> // </smpl>
>
> Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
Eduardo/Zhang, Please queue this patch for upstream, thanks!
Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics