[PATCH] thermal: Constify struct thermal_zone_device_ops
Miquel Raynal
miquel.raynal at bootlin.com
Mon May 26 00:29:16 PDT 2025
Hello,
On 25/05/2025 at 11:40:04 +02, Christophe JAILLET <christophe.jaillet at wanadoo.fr> wrote:
> 'struct thermal_zone_device_ops' are not modified in these drivers.
>
> Constifying these structures moves some data to a read-only section, so
> increases overall security, especially when the structure holds some
> function pointers.
>
> On a x86_64, with allmodconfig, as an example:
> Before:
> ======
> text data bss dec hex filename
> 28116 5168 128 33412 8284 drivers/thermal/armada_thermal.o
>
> After:
> =====
> text data bss dec hex filename
> 28244 5040 128 33412 8284 drivers/thermal/armada_thermal.o
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet at wanadoo.fr>
> ---
> Compile tested only
> ---
> drivers/thermal/armada_thermal.c | 2 +-
Reviewed-by: Miquel Raynal <miquel.raynal at bootlin.com> # For Armada
Thanks,
Miquèl
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