Re: [patch] watchdog: mtk_wdt: signedness bug in mtk_wdt_start()

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2015-02-11 11:26 GMT+01:00 Dan Carpenter <dan.carpenter@xxxxxxxxxx>:
> "ret" should be signed for the error handling to work correctly.  This
> doesn't matter much in real life since mtk_wdt_set_timeout() always
> succeeds.
>
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

Reviewed-by: Matthias Brugger <matthias.bgg@xxxxxxxxx>

>
> diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c
> index a87f6df..938b987 100644
> --- a/drivers/watchdog/mtk_wdt.c
> +++ b/drivers/watchdog/mtk_wdt.c
> @@ -133,7 +133,7 @@ static int mtk_wdt_start(struct watchdog_device *wdt_dev)
>         u32 reg;
>         struct mtk_wdt_dev *mtk_wdt = watchdog_get_drvdata(wdt_dev);
>         void __iomem *wdt_base = mtk_wdt->wdt_base;
> -       u32 ret;
> +       int ret;
>
>         ret = mtk_wdt_set_timeout(wdt_dev, wdt_dev->timeout);
>         if (ret < 0)



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