Re: [PATCH 2/3] watchdog: tqmx86: Constify static struct watchdog_ops

From: Guenter Roeck
Date: Wed Jul 28 2021 - 14:04:30 EST


On Wed, Jul 28, 2021 at 12:30:41AM +0200, Rikard Falkeborn wrote:
> The struct tqmx86_wdt_ops is only assigned to the ops pointer in the
> watchdog_device struct, which is a pointer to const struct watchdog_ops.
> Make it const to allow the compiler to put it in read-only memory.
>
> Signed-off-by: Rikard Falkeborn <rikard.falkeborn@xxxxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

> ---
> drivers/watchdog/tqmx86_wdt.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/watchdog/tqmx86_wdt.c b/drivers/watchdog/tqmx86_wdt.c
> index 72d0b0adde38..83860e94ce9d 100644
> --- a/drivers/watchdog/tqmx86_wdt.c
> +++ b/drivers/watchdog/tqmx86_wdt.c
> @@ -62,7 +62,7 @@ static const struct watchdog_info tqmx86_wdt_info = {
> .identity = "TQMx86 Watchdog",
> };
>
> -static struct watchdog_ops tqmx86_wdt_ops = {
> +static const struct watchdog_ops tqmx86_wdt_ops = {
> .owner = THIS_MODULE,
> .start = tqmx86_wdt_start,
> .set_timeout = tqmx86_wdt_set_timeout,
> --
> 2.32.0
>