[PATCH] watchdog: bcm63xx_wdt: fix fallthrough warning

[Guenter Roeck]

On Wed, Oct 27, 2021 at 02:31:35PM +0200, Rafał Miłecki wrote:
> From: Rafał Miłecki <rafal at milecki.pl>
> 
> This fixes:
> drivers/watchdog/bcm63xx_wdt.c: In function 'bcm63xx_wdt_ioctl':
> drivers/watchdog/bcm63xx_wdt.c:208:17: warning: this statement may fall through [-Wimplicit-fallthrough=]
> 
> Signed-off-by: Rafał Miłecki <rafal at milecki.pl>

[reluctantly]

Reviewed-by: Guenter Roeck <linux at roeck-us.net>

... because the driver should really be converted to use the watchdog subsystem,
by someone with the necessary hardware to test it.

Guenter
> ---
>  drivers/watchdog/bcm63xx_wdt.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/watchdog/bcm63xx_wdt.c b/drivers/watchdog/bcm63xx_wdt.c
> index 7cdb25363ea0..56cc262571a5 100644
> --- a/drivers/watchdog/bcm63xx_wdt.c
> +++ b/drivers/watchdog/bcm63xx_wdt.c
> @@ -207,6 +207,8 @@ static long bcm63xx_wdt_ioctl(struct file *file, unsigned int cmd,
>  
>  		bcm63xx_wdt_pet();
>  
> +		fallthrough;
> +
>  	case WDIOC_GETTIMEOUT:
>  		return put_user(wdt_time, p);
>  
> -- 
> 2.31.1
>