Re: [PATCH] watchdog: test_bit() => watchdog_active()

From: Guenter Roeck
Date: Fri May 29 2020 - 12:52:23 EST


On Fri, May 29, 2020 at 10:24:28AM +0900, Bumsik Kim wrote:
> Use the dedicated function watchdog_active()
> instead of the generic test_bit() function.
>
> It is done using the following Coccinelle script:
>
> @@
> identifier wdd;
> @@
> - test_bit(WDOG_ACTIVE, &wdd->status)
> + watchdog_active(wdd)
>
> Signed-off-by: Bumsik Kim <k.bumsik@xxxxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

> ---
> drivers/watchdog/watchdog_dev.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c
> index 7e4cd34a8c20..3ae608d78af2 100644
> --- a/drivers/watchdog/watchdog_dev.c
> +++ b/drivers/watchdog/watchdog_dev.c
> @@ -916,7 +916,7 @@ static int watchdog_release(struct inode *inode, struct file *file)
> * or if WDIOF_MAGICCLOSE is not set. If nowayout was set then
> * watchdog_stop will fail.
> */
> - if (!test_bit(WDOG_ACTIVE, &wdd->status))
> + if (!watchdog_active(wdd))
> err = 0;
> else if (test_and_clear_bit(_WDOG_ALLOW_RELEASE, &wd_data->status) ||
> !(wdd->info->options & WDIOF_MAGICCLOSE))
> --
> 2.26.2
>